{"id":1010,"date":"2022-02-15T17:50:36","date_gmt":"2022-02-15T09:50:36","guid":{"rendered":"http:\/\/www.bestpcbs.com\/blog\/?p=1010"},"modified":"2022-02-15T17:50:36","modified_gmt":"2022-02-15T09:50:36","slug":"what-should-be-prepared-before-starting-the-smt-process","status":"publish","type":"post","link":"https:\/\/www.bestpcbs.com\/blog\/2022\/02\/what-should-be-prepared-before-starting-the-smt-process\/","title":{"rendered":"What Should be Prepared Before Starting the SMT Process?"},"content":{"rendered":"<div class=\"yzp-no-index\"><\/div>\n<p><a href=\"https:\/\/www.bestpcbs.com\/products\/pcba.htm\">SMT<\/a>, whose full name is Surface Mounted Technology, is the most popular technology in electronic assembly industry. It refers to process on <a href=\"https:\/\/www.bestpcbs.com\/\">PCB (Printed Circuit Board)<\/a>, putting various electronic components on <a href=\"https:\/\/www.bestpcbs.com\/\">PCB<\/a>, such as resistors, capacitors, inductors, and so forth. Also, there are some dos and don\u2019ts in the whole process of <a href=\"https:\/\/www.bestpcbs.com\/products\/pcba.htm\">PCBA<\/a>.<\/p>\n\n\n\n<p>As noted previously, there are all sorts of electronic components that will be used in the assembly process of <a href=\"https:\/\/www.bestpcbs.com\/\">Printed Circuit Board<\/a>. Therefore, it is extremely important to take some measures to keep a check on static. Here are three steps before entering the <a href=\"https:\/\/www.bestpcbs.com\/products\/pcba.htm\">SMT<\/a> workshop.<\/p>\n\n\n\n<p>First, put on anti-static clothes and hats. It is to prevent static existing in clothes and hair from influencing the board, for static has a potential and tremendous destructive power.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/www.bestpcbs.com\/blogimages\/2022\/2\/15\/anti-static-clothes-and-hats-s.jpg\" alt=\"\"\/><figcaption>Anti-static Clothes and Hats<\/figcaption><\/figure><\/div>\n\n\n\n<p>Second, what we have to do is to put just one hand on <a>static elimination instrument<\/a>, and do not leave our hand from it until the red light turns to green, which aims to eliminate the static existing in our body.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/www.bestpcbs.com\/blogimages\/2022\/2\/15\/static-elimination-instrument-s.jpg\" alt=\"\"\/><figcaption>Static Elimination Instrument<\/figcaption><\/figure><\/div>\n\n\n\n<p>Third, across the air shower door. In this way, dust that is invisible on our body can be blown off in about 5 seconds.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/www.bestpcbs.com\/blogimages\/2022\/2\/15\/air-shower-door-s.jpg\" alt=\"\"\/><figcaption>Air Shower Door<\/figcaption><\/figure><\/div>\n\n\n\n<p>Only finishing the three steps above can we enter the <a href=\"https:\/\/www.bestpcbs.com\/products\/pcba.htm\">PCB assembly<\/a> workshop. And after entering the workshop, there are also something needed to be prepared.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Solder paste. The storage temperature of solder paste is 2-10 degrees Celcius, hence it has a period of regaining temperature, which conducts in the rewarming machine for 4 hours. Then the solder paste should be rabbled in a blender for 5 mins in order to help three ingredients in it to be fully integrated, which can help to achieve a better printing and back-flow soldering effect.<\/li><\/ul>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/www.bestpcbs.com\/blogimages\/2022\/2\/15\/solder-paste-s.jpg\" alt=\"\"\/><figcaption>Solder Paste<\/figcaption><\/figure><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li>Oven. This machine is used to get rid of the moisture from materials or boards, ensuring that <a href=\"https:\/\/www.bestpcbs.com\/\">PCB<\/a> will not be defective due to moisture during the subsequent assembly process. Moreover, different boards have different requirements. But generally, the baking parameter is 105 degrees Celcius, lasting 1.5 hours.<\/li><\/ul>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/www.bestpcbs.com\/blogimages\/2022\/2\/15\/oven-s.jpg\" alt=\"\"\/><figcaption>Oven<\/figcaption><\/figure><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li>Dryer. It is used to maintain a set temperature and humility of materials and boards that needs to be processed that day, which is also to avoid that moisture does harm to materials and boards after removing the moisture by oven.<\/li><\/ul>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/www.bestpcbs.com\/blogimages\/2022\/2\/15\/dryer-s.jpg\" alt=\"\"\/><figcaption>Dryer<\/figcaption><\/figure><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li>Tension test of <a href=\"https:\/\/www.bestpcbs.com\/products\/smt-stencil.htm\">stencils<\/a>. Before manufacturing, the stencils\u2019 uniformity should be tested by tensiometer, which mainly tests the four corners and the center part of the <a href=\"https:\/\/www.bestpcbs.com\/products\/smt-stencil.htm\">stencil<\/a>, guaranteeing the solder paste printing quality. And the parameter should be between 30 and 45.<\/li><\/ul>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/www.bestpcbs.com\/blogimages\/2022\/2\/15\/stencils-s.jpg\" alt=\"\"\/><figcaption>Stencils<\/figcaption><\/figure><\/div>\n\n\n\n<p>To sum up, although there are lots of preparations should be done before starting the formal assembly process, each of them is significant, for they will probably influence the quality of boards directly. Besides, only a good preparation can make a certain that the follow-up process can keep going. Thus, it is a must to prepare well in advance.<\/p>\n\n\n\n<p>And EBest Circuit (Best Technology) is an experienced electronic company. It not only can provide <a href=\"https:\/\/www.bestpcbs.com\/products\/pcba.htm\" target=\"_blank\" rel=\"noreferrer noopener\">PCB<\/a><a href=\"https:\/\/www.bestpcbs.com\/products\/pcba.htm\">A<\/a> service, but can provide other services, such as<a href=\"https:\/\/www.bestfpc.com\/\"> FPC<\/a>, <a href=\"https:\/\/www.bestpcbs.com\/products\/FR4-pcb.htm\">FR4 PCB<\/a>, <a href=\"https:\/\/www.bestfpc.com\/Rigid_Flex_PCB\">Rigid-flex PCB<\/a> and so on. And if you have any questions about <a href=\"https:\/\/www.bestpcbs.com\/products\/pcba.htm\">SMT<\/a>, or any other questions about assembly, you are welcome to contact us.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>SMT, whose full name is Surface Mounted Technology, is the most popular technology in electronic assembly industry. It refers to process on PCB (Printed Circuit Board), putting various electronic components on PCB, such as resistors, capacitors, inductors, and so forth. Also, there are some dos and don\u2019ts in the whole process of PCBA. As noted [&hellip;]<\/p>\n","protected":false},"author":623,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[175,174,16,161,17],"tags":[],"class_list":["post-1010","post","type-post","status-publish","format-standard","hentry","category-best-pcb","category-bestpcb","category-pcb-technology","category-pcba","category-smt-technology"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/posts\/1010","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\/623"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/comments?post=1010"}],"version-history":[{"count":1,"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/posts\/1010\/revisions"}],"predecessor-version":[{"id":1011,"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/posts\/1010\/revisions\/1011"}],"wp:attachment":[{"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/media?parent=1010"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/categories?post=1010"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/tags?post=1010"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}