{"id":14043,"date":"2025-10-16T17:22:06","date_gmt":"2025-10-16T09:22:06","guid":{"rendered":"https:\/\/www.bestpcbs.com\/blog\/?p=14043"},"modified":"2025-10-16T17:42:43","modified_gmt":"2025-10-16T09:42:43","slug":"how-to-improve-alumina-ceramic-thermal-conductivity-in-pcbs","status":"publish","type":"post","link":"https:\/\/www.bestpcbs.com\/blog\/2025\/10\/how-to-improve-alumina-ceramic-thermal-conductivity-in-pcbs\/","title":{"rendered":"\u200bHow to Improve Alumina Ceramic Thermal Conductivity in PCBs?"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 ez-toc-wrap-left counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/10\/how-to-improve-alumina-ceramic-thermal-conductivity-in-pcbs\/#What_is_Alumina_Ceramic_Thermal_Conductivity\" >What is Alumina Ceramic Thermal Conductivity?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/10\/how-to-improve-alumina-ceramic-thermal-conductivity-in-pcbs\/#What_is_the_thermal_conductivity_of_Al%E2%82%82O%E2%82%83_vs_AlN\" >What is the thermal conductivity of Al\u2082O\u2083 vs AlN?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/10\/how-to-improve-alumina-ceramic-thermal-conductivity-in-pcbs\/#How_to_calculate_Alumina_Ceramic_Thermal_Conductivity\" >How to calculate Alumina Ceramic Thermal Conductivity?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/10\/how-to-improve-alumina-ceramic-thermal-conductivity-in-pcbs\/#Alumina_thermal_conductivity_vs_temperature\" >Alumina thermal conductivity vs. temperature<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/10\/how-to-improve-alumina-ceramic-thermal-conductivity-in-pcbs\/#What_is_alumina_ceramic_thermal_expansion_coefficient\" >What is alumina ceramic thermal expansion coefficient?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/10\/how-to-improve-alumina-ceramic-thermal-conductivity-in-pcbs\/#Why_Alumina_Ceramic_Thermal_Conductivity_so_important_on_PCBs\" >Why Alumina Ceramic Thermal Conductivity so important on PCBs?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/10\/how-to-improve-alumina-ceramic-thermal-conductivity-in-pcbs\/#What_are_the_properties_of_alumina_ceramic_PCB\" >What are the properties of alumina ceramic PCB?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/10\/how-to-improve-alumina-ceramic-thermal-conductivity-in-pcbs\/#How_to_Improve_Alumina_Ceramic_Thermal_Conductivity_in_PCBs\" >How to Improve Alumina Ceramic Thermal Conductivity in PCBs?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/10\/how-to-improve-alumina-ceramic-thermal-conductivity-in-pcbs\/#How_to_Test_the_Thermal_Conductivity_of_Alumina_Ceramic_PCB\" >How to Test the Thermal Conductivity of Alumina Ceramic PCB?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/10\/how-to-improve-alumina-ceramic-thermal-conductivity-in-pcbs\/#Case_of_supporting_alumina_ceramic_PCB_project_at_EBest_Circuit_Best_Technology\" >Case of supporting alumina ceramic PCB project at EBest Circuit (Best Technology)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/10\/how-to-improve-alumina-ceramic-thermal-conductivity-in-pcbs\/#What_Core_competitive_edges_of_EBest_Circuit_Best_Technology_in_ceramic_PCBs\" >What Core competitive edges of EBest Circuit (Best Technology) in ceramic PCBs?<\/a><\/li><\/ul><\/nav><\/div>\n<div class=\"yzp-no-index\"><\/div>\n<p><a href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/10\/how-to-improve-alumina-ceramic-thermal-conductivity-in-pcbs\/\" title=\"\">Alumina ceramic thermal conductivity<\/a> determines how efficiently heat transfers through your <a href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/02\/ceramic-pcb-substrate-aluminum-nitride-circular-pcb\/\" title=\"\">PCB substrate<\/a>. As electronics shrink and power densities increase, managing heat becomes critical. This article explores everything about alumina&#8217;s thermal properties and how to optimize them for your <a href=\"https:\/\/www.bestpcbs.com\/\" title=\"\">PCB <\/a>applications.<\/p>\n\n\n<div class=\"pcbask\">\n\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">Many engineers struggle with overheating issues in high-power circuits. Have you faced these common challenges?<\/mark><\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Components failing prematurely due to heat buildup<\/li>\n\n\n\n<li>Limited space for traditional cooling solutions<\/li>\n\n\n\n<li>Inconsistent performance across temperature ranges<\/li>\n\n\n\n<li>Difficulty finding materials that balance electrical and thermal needs<\/li>\n\n\n\n<li>High costs associated with thermal management solutions<\/li>\n<\/ul>\n\n\n<\/div>\n<div class=\"pcbserviec\">\n\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">The good news is that proper material selection and design can solve these problems. Here&#8217;s how we address these challenges at EBest Circuit (Best Technology):<\/mark><\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u200b<strong>For premature failures<\/strong>: We use high-purity (96-99.5%) alumina substrates with optimized thermal vias<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u200b<strong>For space constraints<\/strong>: Our thin-film processing enables compact designs down to 0.15mm thickness<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u200b<strong>For temperature stability<\/strong>: We offer CTE-matched materials (7.3 ppm\/K) for reliable thermal cycling<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u200b<strong>For material balance<\/strong>: Our hybrid designs combine alumina&#8217;s insulation with copper&#8217;s conductivity<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u200b<strong>For cost control<\/strong>: We provide value engineering to optimize performance vs. budget<\/li>\n<\/ul>\n\n\n<\/div>\n\n\n<p>With \u200b19 years of expertise, EBest Circuit (Best Technology) specializes in \u200bhigh-performance <a href=\"https:\/\/www.bestpcbs.com\/blog\/2024\/12\/alumina-ceramic-pcb-a-comprehensive-guide\/\" title=\"\">ceramic PCBs<\/a>, including alumina, <a href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/02\/ceramic-pcb-substrate-aluminum-nitride-circular-pcb\/\" title=\"\">aluminum nitride<\/a> (<a href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/01\/how-to-prevent-blackening-during-aln-laser-cutting\/\" title=\"\">AlN<\/a>), <a href=\"https:\/\/youtu.be\/JJHixr1xm_0?si=WYxLejmKGVTgKPAc\" title=\"\">DPC<\/a>, <a href=\"https:\/\/youtu.be\/cR8JWTrJnNY?si=j4Q6nidBYCJaCvWH\" title=\"\">DBC<\/a>, and <a href=\"https:\/\/www.bestpcbs.com\/products\/ltcc-ceramic-pcb.html\" title=\"\">LTCC<\/a>\/<a href=\"https:\/\/www.bestpcbs.com\/products\/htcc-ceramic-pcb.html\" title=\"\">HTCC<\/a> solutions. As a \u200btrusted partner\u200b for industries ranging from power electronics to <a href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/04\/medical-pcb-manufacturer-medical-pcb-manufacturer-list\/\" title=\"\">medical<\/a> devices, we combine \u200bcutting-edge processes\u200b with rigorous <a href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/07\/higher-quality-pcb-manufacturing-quality-control\/\" title=\"\">quality control<\/a> to deliver superior thermal management\u200b (up to 40 W\/mK <a href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/10\/how-to-choose-alumina-substrate-thickness\/\" title=\"\">alumina substrates<\/a>), \u200bprecision manufacturing\u200b (50\u03bcm line widths, 100\u03bcm vias), \u200brapid prototyping, full turnkey solutions\u200b from design to assembly. Pls contact us at <strong>sales@bestpcbs.com<\/strong> for any special <a href=\"https:\/\/www.bestpcbs.com\/products\/ceramic-pcb.htm\" title=\"\">ceramic PCB<\/a> requirements.\u200b A deep understanding of our clients&#8217; needs is very much part of the value we create.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/10\/alumina_ceramic_thermal_conductivity__1.jpg\"><img decoding=\"async\" src=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/10\/alumina_ceramic_thermal_conductivity__1.jpg\" alt=\"Alumina Ceramic Thermal Conductivity\" class=\"wp-image-14062\"\/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_Alumina_Ceramic_Thermal_Conductivity\"><\/span>What is Alumina Ceramic Thermal Conductivity?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><a href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/10\/how-to-improve-alumina-ceramic-thermal-conductivity-in-pcbs\/\" title=\"\">Alumina ceramic thermal conductivity<\/a> refers to how well Al\u2082O\u2083 transfers heat. Typical values range from 20-40 W\/mK for commercial grades, with high-purity versions reaching up to 40 W\/mK. This makes it significantly better than <a href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/03\/fr4-pcb-design-prototype-assembly-fr4-pcb-manufacturer\/\" title=\"\">FR4 <\/a>(0.3 W\/mK) but less conductive than <a href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/02\/ceramic-pcb-substrate-aluminum-nitride-circular-pcb\/\" title=\"\">aluminum nitride<\/a> (140-180 W\/mK).<\/p>\n\n\n\n<p>Alumina&#8217;s thermal performance stems from its crystalline structure. The tightly packed oxygen and aluminum ions form an efficient phonon transport path. Three key structural factors affect conductivity:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u200b<strong>Crystal orientation<\/strong>: Heat flows faster along certain crystal planes<\/li>\n\n\n\n<li>\u200b<strong>Grain boundaries<\/strong>: More boundaries increase phonon scattering<\/li>\n\n\n\n<li>\u200b<strong>Defects<\/strong>: Impurities disrupt the regular lattice structure<\/li>\n<\/ol>\n\n\n\n<p>In PCB applications, we typically see:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Standard 92% alumina: 20-25 W\/mK<\/li>\n\n\n\n<li>High-purity 96% alumina: 25-30 W\/mK<\/li>\n\n\n\n<li>Premium 99.5% alumina: 30-40 W\/mK<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_the_thermal_conductivity_of_Al%E2%82%82O%E2%82%83_vs_AlN\"><\/span>What is the thermal conductivity of Al\u2082O\u2083 vs AlN?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>The thermal conductivity difference between <a href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/10\/how-to-choose-alumina-substrate-thickness\/\" title=\"\">alumina<\/a> (Al\u2082O\u2083) and <a href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/02\/ceramic-pcb-substrate-aluminum-nitride-circular-pcb\/\" title=\"\">aluminum nitride<\/a> (AlN) stems from their atomic structures:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u200b<strong>Phonon Transport Efficiency<\/strong>\u200b\n<ul class=\"wp-block-list\">\n<li>AlN&#8217;s simpler crystal structure allows longer phonon mean free paths<\/li>\n\n\n\n<li>Alumina&#8217;s more complex structure causes more phonon scattering<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u200b<strong>Temperature Dependence<\/strong>\u200b\n<ul class=\"wp-block-list\">\n<li>AlN maintains high conductivity (140-180 W\/mK) up to 300\u00b0C<\/li>\n\n\n\n<li>Alumina&#8217;s conductivity drops ~10% per 100\u00b0C rise<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p>Aluminum nitride (AlN) outperforms alumina significantly:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u200b<strong>Thermal Conductivity<\/strong>\u200b\n<ul class=\"wp-block-list\">\n<li>AlN: 140-180 W\/mK<\/li>\n\n\n\n<li>Al\u2082O\u2083: 18-30 W\/mK<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u200b<strong>Electrical Properties<\/strong>\u200b\n<ul class=\"wp-block-list\">\n<li>Both offer excellent insulation<\/li>\n\n\n\n<li>AlN maintains properties at higher temperatures<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u200b<strong>Mechanical Strength<\/strong>\u200b\n<ul class=\"wp-block-list\">\n<li>Alumina is harder and more scratch-resistant<\/li>\n\n\n\n<li>AlN is more brittle<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u200b<strong>Cost Considerations<\/strong>\u200b\n<ul class=\"wp-block-list\">\n<li>Alumina costs about 1\/3 of AlN<\/li>\n\n\n\n<li>For many applications, alumina provides sufficient performance<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u200b<strong>Processing<\/strong>\u200b\n<ul class=\"wp-block-list\">\n<li>Alumina is easier to machine and shape<\/li>\n\n\n\n<li>AlN requires more specialized handling<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p>\u200b<strong>Practical Implications<\/strong>\u200b<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>AlN suits applications needing &gt;100 W\/mK<\/li>\n\n\n\n<li>Alumina works well for 20-40 W\/mK requirements<\/li>\n\n\n\n<li>Cost difference: AlN typically 3-5x more expensive<\/li>\n<\/ul>\n\n\n\n<p>\u200b<strong>Our Recommendation<\/strong>\u200b<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Use AlN for laser diodes, power modules &gt;500W<\/li>\n\n\n\n<li>Choose alumina for cost-sensitive applications &lt;200W<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_calculate_Alumina_Ceramic_Thermal_Conductivity\"><\/span>How to calculate Alumina Ceramic Thermal Conductivity?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Calculating thermal conductivity involves multiple approaches:<\/p>\n\n\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">1. Steady-State Methods (Best for Bulk Materials)<\/mark><\/strong><\/p>\n\n\n\n<p>Use Fourier&#8217;s Law with measured parameters:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><code>k = (Q \u00d7 L) \/ (A \u00d7 \u0394T)<\/code><\/pre>\n\n\n\n<p>Where:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/02\/thermal-conductivity-of-copper-what-is-the-k-value-of-copper\/\" title=\"\">k<\/a> = <a href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/02\/ceramic-pcb-vs-fr4-good-thermal-conductivity-ceramic-pcb\/\" title=\"\">thermal conductivity<\/a> (W\/mK)<\/li>\n\n\n\n<li>Q = heat input (W)<\/li>\n\n\n\n<li>L = sample thickness (m)<\/li>\n\n\n\n<li>A = cross-sectional area (m\u00b2)<\/li>\n\n\n\n<li>\u0394T = temperature difference (K)<\/li>\n<\/ul>\n\n\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">2. Transient Methods (Better for Thin Samples)<\/mark><\/strong><\/p>\n\n\n\n<p>Laser flash analysis measures thermal diffusivity (\u03b1):<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><code>k = \u03b1 \u00d7 \u03c1 \u00d7 Cp<\/code><\/pre>\n\n\n\n<p>Where:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u03c1 = density (kg\/m\u00b3)<\/li>\n\n\n\n<li>Cp = specific heat (J\/kg\u00b7K)<\/li>\n<\/ul>\n\n\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">3. Empirical Correlations<\/mark><\/strong><\/p>\n\n\n\n<p>For alumina ceramics, we often use:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><code>k = 40 - 0.05T - 0.0002T\u00b2 (for 96% Al\u2082O\u2083)<\/code><\/pre>\n\n\n\n<p>Where T is temperature in \u00b0C<\/p>\n\n\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">Practical Calculation Example:<\/mark><\/strong><\/p>\n\n\n\n<p>For a 1mm thick alumina PCB (96% purity) dissipating 50W over 10cm\u00b2 area with 20\u00b0C temperature rise:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><code>k = (50 \u00d7 0.001) \/ (0.001 \u00d7 20) = 25 W\/mK<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Alumina_thermal_conductivity_vs_temperature\"><\/span>Alumina thermal conductivity vs. temperature<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Alumina&#8217;s thermal conductivity shows predictable temperature dependence:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u200b<strong>Room Temperature Range (25-100\u00b0C)\u200b<\/strong>\u200b\n<ul class=\"wp-block-list\">\n<li>Conductivity decreases linearly by ~10%<\/li>\n\n\n\n<li>Phonon-phonon scattering increases with temperature<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u200b<strong>Intermediate Range (100-500\u00b0C)\u200b<\/strong>\u200b\n<ul class=\"wp-block-list\">\n<li>Decrease slows to ~5% per 100\u00b0C<\/li>\n\n\n\n<li>Defect scattering becomes dominant<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u200b<strong>High Temperature (&gt;500\u00b0C)\u200b<\/strong>\u200b\n<ul class=\"wp-block-list\">\n<li>Conductivity stabilizes or increases slightly<\/li>\n\n\n\n<li>Radiation heat transfer contributes<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p>\u200b<strong>PCB Design Implications:\u200b<\/strong>\u200b<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Derate components by 1-2% per \u00b0C above 50\u00b0C<\/li>\n\n\n\n<li>Use thermal simulation software (e.g., ANSYS) for accurate predictions<\/li>\n\n\n\n<li>Consider active cooling for sustained high-power operation<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_alumina_ceramic_thermal_expansion_coefficient\"><\/span>What is alumina ceramic thermal expansion coefficient?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Alumina&#8217;s thermal expansion coefficient (CTE) of 7.3 ppm\/K provides exceptional dimensional stability. This low expansion comes from strong ionic bonds in the crystal structure.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">CTE Calculation Method:<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\"><code>\u0394L = \u03b1 \u00d7 L\u2080 \u00d7 \u0394T<\/code><\/pre>\n\n\n\n<p>Where:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0394L = length change (m)<\/li>\n\n\n\n<li>\u03b1 = CTE (7.3\u00d710\u207b\u2076\/K for alumina)<\/li>\n\n\n\n<li>L\u2080 = original length (m)<\/li>\n\n\n\n<li>\u0394T = temperature change (K)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Example Calculation:<\/h3>\n\n\n\n<p>A 100mm alumina PCB heated from 25\u00b0C to 125\u00b0C:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><code>\u0394L = 7.3\u00d710\u207b\u2076 \u00d7 0.1 \u00d7 100 = 0.073mm<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">Design Considerations:<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u200b<strong>Component Attachment<\/strong>\u200b\n<ul class=\"wp-block-list\">\n<li>Match solder CTE (SnAgCu ~16 ppm\/K)<\/li>\n\n\n\n<li>Use compliant interposers for large dies<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u200b<strong>Multilayer Boards<\/strong>\u200b\n<ul class=\"wp-block-list\">\n<li>Alternate high\/low CTE layers<\/li>\n\n\n\n<li>Balance stresses to prevent warping<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u200b<strong>Thermal Cycling<\/strong>\u200b\n<ul class=\"wp-block-list\">\n<li>Limit \u0394T &lt;150\u00b0C for long life<\/li>\n\n\n\n<li>Use finite element analysis for critical designs<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_Alumina_Ceramic_Thermal_Conductivity_so_important_on_PCBs\"><\/span>Why Alumina Ceramic Thermal Conductivity so important on PCBs?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Effective thermal management impacts five key performance areas:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u200b<strong>Reliability<\/strong>\u200b\n<ul class=\"wp-block-list\">\n<li>10\u00b0C reduction doubles component lifespan<\/li>\n\n\n\n<li>Prevents thermal runaway in power devices<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u200b<strong>Electrical Performance<\/strong>\u200b\n<ul class=\"wp-block-list\">\n<li>Lower junction temperatures improve:\n<ul class=\"wp-block-list\">\n<li>MOSFET Rds(on) by 15-20%<\/li>\n\n\n\n<li>IGBT switching losses by 30%<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u200b<strong>Mechanical Stability<\/strong>\u200b\n<ul class=\"wp-block-list\">\n<li>Minimizes thermal stress at interfaces<\/li>\n\n\n\n<li>Reduces solder joint fatigue<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u200b<strong>System Integration<\/strong>\u200b\n<ul class=\"wp-block-list\">\n<li>Enables higher power density<\/li>\n\n\n\n<li>Eliminates bulky heat sinks<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u200b<strong>Cost Efficiency<\/strong>\u200b\n<ul class=\"wp-block-list\">\n<li>Fewer thermal failures mean lower warranty costs<\/li>\n\n\n\n<li>Smaller form factors reduce packaging expenses<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p>Our data shows optimized alumina PCBs can:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Increase power density by 3-5x vs FR4<\/li>\n\n\n\n<li>Reduce thermal resistance by 40-60%<\/li>\n\n\n\n<li>Extend product lifetimes 2-3x<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_are_the_properties_of_alumina_ceramic_PCB\"><\/span>What are the properties of alumina ceramic PCB?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Alumina PCBs combine unique thermal, electrical, and mechanical properties:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Thermal Properties<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Parameter<\/th><th>Value<\/th><th>Importance<\/th><\/tr><\/thead><tbody><tr><td>Conductivity<\/td><td>20-40 W\/mK<\/td><td>Heat dissipation<\/td><\/tr><tr><td>CTE<\/td><td>7.3 ppm\/K<\/td><td>Dimensional stability<\/td><\/tr><tr><td>Max Temp<\/td><td>1000\u00b0C<\/td><td>High-temp operation<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Electrical Properties<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Parameter<\/th><th>Value<\/th><th>Importance<\/th><\/tr><\/thead><tbody><tr><td>Resistivity<\/td><td>&gt;10\u00b9\u2074 \u03a9\u00b7cm<\/td><td>Insulation<\/td><\/tr><tr><td>Dielectric Strength<\/td><td>15 kV\/mm<\/td><td>High voltage<\/td><\/tr><tr><td>Loss Tangent<\/td><td>0.0002<\/td><td>RF performance<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Mechanical Properties<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Parameter<\/th><th>Value<\/th><th>Importance<\/th><\/tr><\/thead><tbody><tr><td>Hardness<\/td><td>9 Mohs<\/td><td>Wear resistance<\/td><\/tr><tr><td>Flex Strength<\/td><td>400 MPa<\/td><td>Structural integrity<\/td><\/tr><tr><td>Density<\/td><td>3.9 g\/cm\u00b3<\/td><td>Weight savings<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Finally, alumina ceramic PCBs offer exceptional manufacturing advantages including excellent dimensional stability, strong chemical resistance, and seamless compatibility with thick-film processes.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_Improve_Alumina_Ceramic_Thermal_Conductivity_in_PCBs\"><\/span>How to Improve Alumina Ceramic Thermal Conductivity in PCBs?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>We implement these proven methods for better thermal performance:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Material Enhancements<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u200b<strong>Purity Optimization<\/strong>\u200b\n<ul class=\"wp-block-list\">\n<li>96% alumina: 25-30 W\/mK<\/li>\n\n\n\n<li>99.5% alumina: 30-40 W\/mK<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u200b<strong>Grain Size Control<\/strong>\u200b\n<ul class=\"wp-block-list\">\n<li>5\u03bcm grains: +15% conductivity vs 20\u03bcm<\/li>\n\n\n\n<li>Achieved through controlled sintering<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u200b<strong>Doping Strategies<\/strong>\u200b\n<ul class=\"wp-block-list\">\n<li>MgO doping reduces grain boundary resistance<\/li>\n\n\n\n<li>Y\u2082O\u2083 additions improve high-temp stability<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">Design Improvements<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u200b<strong>Thermal Via Arrays<\/strong>\u200b\n<ul class=\"wp-block-list\">\n<li>0.3mm vias @ 1mm pitch<\/li>\n\n\n\n<li>Copper-filled for best performance<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u200b<strong>Copper Thickness<\/strong>\u200b\n<ul class=\"wp-block-list\">\n<li>Standard: 35\u03bcm (1oz)<\/li>\n\n\n\n<li>Enhanced: 70-210\u03bcm (2-6oz)<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u200b<strong>Component Layout<\/strong>\u200b\n<ul class=\"wp-block-list\">\n<li>Place hot devices near board edges<\/li>\n\n\n\n<li>Stagger power components<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">Process Innovations<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u200b<strong>Surface Finishes<\/strong>\u200b\n<ul class=\"wp-block-list\">\n<li>ENIG (Ni\/Au) for wire bonding<\/li>\n\n\n\n<li><a href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/08\/better-quality-ev-thick-copper-substrate-thick-copper-pcb\/\" title=\"\">Thick copper <\/a>for power devices<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u200b<strong>Interlayer Bonding<\/strong>\u200b\n<ul class=\"wp-block-list\">\n<li>Glass-ceramic adhesives<\/li>\n\n\n\n<li>Controlled CTE matching<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u200b<strong>Quality Control<\/strong>\u200b\n<ul class=\"wp-block-list\">\n<li>Ultrasonic inspection for voids<\/li>\n\n\n\n<li>Thermal imaging verification<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p>It is worth mentioning that our team has successfully implemented these methods in power modules, LED arrays, and <a href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/06\/rf-printed-circuit-board-rf-pcb-manufacturer-fast-turnkey-service\/\" title=\"\">RF<\/a> applications.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_Test_the_Thermal_Conductivity_of_Alumina_Ceramic_PCB\"><\/span>How to Test the Thermal Conductivity of Alumina Ceramic PCB?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>We employ three complementary test methods:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. Laser Flash Analysis (ASTM E1461)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Measures thermal diffusivity<\/li>\n\n\n\n<li>Accuracy: \u00b13%<\/li>\n\n\n\n<li>Sample size: 10mm diameter<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. Guarded Hot Plate (ASTM C177)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Direct heat flux measurement<\/li>\n\n\n\n<li>Best for thin samples<\/li>\n\n\n\n<li>Accuracy: \u00b15%<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3. Transient Plane Source<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Fast measurements<\/li>\n\n\n\n<li>Non-destructive<\/li>\n\n\n\n<li>Accuracy: \u00b17%<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Typical Test Results:<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Sample<\/th><th>Thickness<\/th><th>Conductivity<\/th><\/tr><\/thead><tbody><tr><td>Al-96<\/td><td>0.5mm<\/td><td>28.4 W\/mK<\/td><\/tr><tr><td>Al-99<\/td><td>1.0mm<\/td><td>36.2 W\/mK<\/td><\/tr><tr><td>AlN<\/td><td>0.6mm<\/td><td>158 W\/mK<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>We use ASTM E1461 standard testing for all our ceramic substrates.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Case_of_supporting_alumina_ceramic_PCB_project_at_EBest_Circuit_Best_Technology\"><\/span>Case of supporting alumina ceramic PCB project at EBest Circuit (Best Technology)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u200b<strong>Client Challenge:\u200b<\/strong>\u200b<br>A <a href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/04\/medical-pcb-manufacturer-medical-pcb-manufacturer-list\/\" title=\"\">medical<\/a> laser manufacturer needed to:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Dissipate 200W\/cm\u00b2 from diode arrays<\/li>\n\n\n\n<li>Maintain &lt;85\u00b0C junction temperature<\/li>\n\n\n\n<li>Achieve 10,000+ hour lifespan<\/li>\n<\/ul>\n\n\n\n<p>\u200b<strong>Our Solution:\u200b<\/strong>\u200b<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Material Selection\n<ul class=\"wp-block-list\">\n<li>99.5% alumina substrate<\/li>\n\n\n\n<li>6oz direct bonded copper<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Thermal Design\n<ul class=\"wp-block-list\">\n<li>Microchannel cooling structure<\/li>\n\n\n\n<li>0.2mm thermal vias @ 0.8mm pitch<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Process Control\n<ul class=\"wp-block-list\">\n<li>Laser drilling for precise vias<\/li>\n\n\n\n<li>X-ray inspection for void detection<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p>\u200b<strong>Results:\u200b<\/strong>\u200b<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Achieved 180W\/cm\u00b2 dissipation<\/li>\n\n\n\n<li>Junction temperature stabilized at 78\u00b0C<\/li>\n\n\n\n<li>Accelerated testing showed &gt;15,000 hour lifespan<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Core_competitive_edges_of_EBest_Circuit_Best_Technology_in_ceramic_PCBs\"><\/span>What Core competitive edges of EBest Circuit (Best Technology) in ceramic PCBs?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Our 19 years of <a href=\"https:\/\/youtu.be\/_5KLW7VADbY?si=P2a_U-2DDsD_GZDZ\" title=\"\">ceramic PCB <\/a>experience delivers:<\/p>\n\n\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">Material Knowledge<\/mark><\/strong>\u200b<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>19 years working with alumina substrates<\/li>\n\n\n\n<li>Deep understanding of property tradeoffs<\/li>\n<\/ul>\n\n\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">Manufacturing Capabilities<\/mark><\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u200b<strong>Thickness Range<\/strong>: 0.15-6mm<\/li>\n\n\n\n<li>\u200b<strong>Layer Count<\/strong>: Up to 64 layers<\/li>\n\n\n\n<li>\u200b<strong>Line Width<\/strong>: Down to 50\u03bcm<\/li>\n\n\n\n<li>\u200b<strong>Via Size<\/strong>: From 100\u03bcm<\/li>\n\n\n\n<li>Handle complex <a href=\"https:\/\/www.bestpcbs.com\/blog\/2024\/12\/ceramic-multilayer-pcb-an-in-depth-guide\/\" title=\"\">multilayer <\/a>designs<\/li>\n\n\n\n<li>Offer both <a href=\"https:\/\/youtu.be\/x5OlTcqB6U8?si=Km9MGnKX1eJWLPCY\" title=\"\">HTCC<\/a> and<a href=\"https:\/\/youtu.be\/_5KLW7VADbY?si=vo18llU3dD2CTjlV\" title=\"\"> LTCC<\/a> processes<\/li>\n<\/ul>\n\n\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">\u200bSupply Chain<\/mark><\/strong>\u200b<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Direct relationships with material suppliers<\/li>\n\n\n\n<li>Consistent quality control<\/li>\n<\/ul>\n\n\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">Quality Systems<\/mark><\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>ISO 9001,<a href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/05\/pcb-circuit-manufacturer-iso-13485-certified\/\" title=\"\"> ISO 13485<\/a>, IATF 16949, AS9100D, UL, REACH, and <a href=\"https:\/\/www.bestpcbs.com\/about\/rohs.htm\" title=\"\">RoHS<\/a><\/li>\n\n\n\n<li>Full traceability from raw materials<\/li>\n<\/ul>\n\n\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">Technical Support<\/mark><\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Free design for manufacturability review<\/li>\n\n\n\n<li>Thermal simulation services<\/li>\n\n\n\n<li><a href=\"https:\/\/www.bestpcbs.com\/about\/pcb-prototype.htm\" title=\"\">Rapid prototyping<\/a> (3-5 day turnaround)<\/li>\n<\/ul>\n\n\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">Customer Benefits<\/mark><\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>30% faster <a href=\"https:\/\/www.bestpcbs.com\/about\/lead-time.htm\" title=\"\">lead times<\/a> vs industry average<\/li>\n\n\n\n<li>99.7% on-time delivery rate<\/li>\n\n\n\n<li><a href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/05\/custom-circuit-board-manufacturers-24-7-tech-support\/\" title=\"\">24\/7<\/a> engineering support<\/li>\n<\/ul>\n\n\n\n<p>To sum up, <a href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/10\/how-to-improve-alumina-ceramic-thermal-conductivity-in-pcbs\/\" title=\"\">alumina ceramic thermal conductivity<\/a> remains a critical parameter for power electronics. Understanding its temperature dependence, measurement methods, and improvement techniques enables better thermal management.<\/p>\n\n\n\n<p>At EBest Circuit (Best Technology), we combine material science expertise with practical manufacturing experience to optimize <a href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/10\/how-to-choose-alumina-substrate-thickness\/\" title=\"\">alumina PCB<\/a> performance. Our solutions have helped clients achieve 40-60% thermal resistance reduction, 3-5x power density increases and 2-3x product lifespan extension. For your next high-power <a href=\"https:\/\/www.bestpcbs.com\/\" title=\"\">PCB<\/a> project, contact our thermal management specialists at <strong>sales@bestpcbs.com<\/strong>. Let&#8217;s discuss how we can optimize alumina ceramic performance for your specific application requirements.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Alumina ceramic thermal conductivity determines how efficiently heat transfers through your PCB substrate. As electronics shrink and power densities increase, managing heat becomes critical. This article explores everything about alumina&#8217;s thermal properties and how to optimize them for your PCB applications. Many engineers struggle with overheating issues in high-power circuits. Have you faced these common [&hellip;]<\/p>\n","protected":false},"author":33085,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[21],"tags":[2260],"class_list":["post-14043","post","type-post","status-publish","format-standard","hentry","category-ceramic-pcb","tag-alumina-ceramic-thermal-conductivity"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/posts\/14043","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/users\/33085"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/comments?post=14043"}],"version-history":[{"count":3,"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/posts\/14043\/revisions"}],"predecessor-version":[{"id":14066,"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/posts\/14043\/revisions\/14066"}],"wp:attachment":[{"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/media?parent=14043"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/categories?post=14043"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/tags?post=14043"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}