{"id":17223,"date":"2024-02-28T10:52:51","date_gmt":"2024-02-28T01:52:51","guid":{"rendered":"https:\/\/www.japanunix.com\/en\/?post_type=column&#038;p=17223"},"modified":"2026-04-27T10:41:01","modified_gmt":"2026-04-27T01:41:01","slug":"solder-metal-soldering-news-the-truth-of-solderingyoutube-tech-article","status":"publish","type":"column","link":"https:\/\/www.japanunix.com\/en\/column\/solder-metal-soldering-news-the-truth-of-solderingyoutube-tech-article\/","title":{"rendered":"&#8220;Solder Metal&#8221;, Soldering News: The Truth of Soldering[YouTube Tech Article]"},"content":{"rendered":"<div class=\"c-box\">\n<div class=\"row\">\n<div class=\"col-md-12\">\n<div class=\"heading-title-image\">\n<div class=\"_utility-wrapper\">\n<div class=\"_date\">February 29, 2024<\/div>\n<div class=\"_category\">YOUTUBE Article!<\/div>\n<\/p><\/div>\n<div class=\"_image-wrapper\">\n<div class=\"_image\"><img decoding=\"async\" src=\"\/wp\/wp-content\/uploads\/2022\/11\/japanunix_youtube.jpg\" alt=\"\" \/>\n\t\t\t\t\t<\/div>\n<div class=\"_text\">\n<p class=\"_title\">YOUTUBE Article!<br \/>The Truth About Soldering &#8211; Soldering News: Solder Metal Edition<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div class=\"col-md-12\">\n<h3>Table of Contents<\/h3>\n<ul class=\"list-contents\">\n<li><a href=\"#01\">Theme<\/a><\/li>\n<li><a href=\"#02\">Differences in Metal Composition<\/a><\/li>\n<li><a href=\"#03\">Differences in Flux<\/a><\/li>\n<li><a href=\"#04\">Summary<\/a><\/li>\n<li><a href=\"#05\">Related Products &#038; Services<\/a><\/li>\n<li><a href=\"#06\">Video for This Article<\/a><\/li>\n<\/ul>\n<div class=\"panel-light\">\n<div class=\"_header\">Download Materials<\/div>\n<div class=\"_body\"><mark>\uff3cAdopted by over 1,000 companies worldwide\uff0f<\/mark>Introduction to Japan Unix&#8217;s Products &#038; Services<\/p>\n<div class=\"row-lg-2\">\n<div class=\"col\"><a class=\"btn-primary btn-animation btn-block btn-icon-next\" href=\"https:\/\/www.japanunix.com\/en\/contact\/download_catalog\">Download Now<\/a><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/div>\n<hr class=\"hr-color-dark\">\n<div id=\"00\" class=\"c-box\">\n<div class=\"row\">\n<div class=\"col-md-5\">\n<p>\n\t\t\t\t<a class=\"btn-primary btn-icon-next\" href=\"https:\/\/www.japanunix.com\/en\/products\/automation\/\">Click Here for Automatic Soldering Robots<\/a>\n\t\t\t<\/p>\n<p>\n<a class=\"btn-primary btn-icon-next\" href=\"https:\/\/www.japanunix.com\/en\/products\/laser\/\">Click Here for Laser Soldering<\/a>\n\t\t\t<\/p>\n<\/p><\/div>\n<div class=\"col-md-7\">\n<div class=\"js-modal-video\" data-modal=\"#modal-media-target\" data-video-id=\"sJoVWptv5_4\">\n<div class=\"_thumb\"><img decoding=\"async\" src=\"https:\/\/img.youtube.com\/vi\/sJoVWptv5_4\/maxresdefault.jpg\" alt=\"\" \/><\/div>\n<\/p><\/div>\n<h5>Video for This Article<\/h5>\n<\/p><\/div>\n<\/p><\/div>\n<p>\t<!-- ------------------Theme Starts Here------------------- --><\/p>\n<div id=\"01\" class=\"c-box\">\n<div class=\"row\">\n<div class=\"col-md-12\">\n<h2 class=\"heading-title\">Theme<\/h2>\n<\/p><\/div>\n<\/p><\/div>\n<div class=\"row\">\n<div class=\"col-md-7 order-md-2\">\n<p><span class=\"text-size-small\"><span class=\"label-primary\">Y<\/span>&emsp;Hello everyone. It&#8217;s time for the Soldering News, where we reveal the truth about soldering. I, Yanaka, will be your host for today. Today&#8217;s theme is about the <span class=\"text-size-medium\"><strong><mark>differences in solder materials<\/mark><\/strong><\/span>.<br \/>\n<br \/>Are you aware that the solderability changes depending on the materials used? Solder materials consist of two elements: <span class=\"text-size-medium\"><strong><mark>metal composition and flux<\/mark><\/strong><\/span>.<br \/>\nIn this session, we will show you how these two elements can change the solderability through a video. Please watch.<br \/>\n\t\t\t\t<\/span><\/p>\n<\/p><\/div>\n<div class=\"col-md-5 order-md-1\">\n<div class=\"_image align-center mb-4\"><img decoding=\"async\" src=\"\/wp\/wp-content\/uploads\/2024\/02\/soldering_news_solder-material_01.jpg\" \/><\/div>\n<div class=\"_image align-center mb-4\"><img decoding=\"async\" src=\"\/wp\/wp-content\/uploads\/2024\/02\/soldering_news_solder-material_09.jpg\" \/><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<p>\t<!-- ------------------Cleaning Effect Starts Here-------------------<span class=\"text-size-medium\"><strong><mark>aaa<\/mark><\/strong><\/span> --><\/p>\n<div id=\"02\" class=\"c-box\">\n<div class=\"row\">\n<div class=\"col-md-12\">\n<h2 class=\"heading-title\">About Differences in Metal Composition<\/h2>\n<\/p><\/div>\n<div class=\"col-md-7 order-md-1\">\n<p><span class=\"text-size-small\"><span class=\"label-primary\">Y<\/span>&emsp;First, please watch the video about the differences in metal composition.<br \/>\nThe left shows the common <span class=\"text-size-medium\"><strong><mark>tin, silver, and copper<\/mark><\/strong><\/span>. The right shows <span class=\"text-size-medium\"><strong><mark>silver-free<\/mark><\/strong><\/span> solder. The silver-free solder has clogged, which seems to be due to <span class=\"text-size-medium\"><strong><mark>insufficient heat<\/mark><\/strong><\/span>. Because the solder clogged, it took a bit more time to feed the silver-free solder on the right side.<br \/>\n<br \/>You can see how solderability changes depending on the metal composition, even if we use the same amount of solder, heat it for the same time, at the same temperature. The main reason for the change in solderability is the <span class=\"text-size-medium\"><strong><mark>difference in melting point<\/mark><\/strong><\/span>. The common solder melts at 217 degrees, whereas the silver-free solder melts at 227 degrees. Even a <span class=\"text-size-medium\"><strong><mark>10-degree difference<\/mark><\/strong><\/span> in melting temperature can have such an impact on soldering.<br \/>\n\t\t\t\t<\/span><\/p>\n<\/p><\/div>\n<div class=\"col-md-5 order-md-2\">\n<div class=\"_image align-center mb-4\"><img decoding=\"async\" src=\"\/wp\/wp-content\/uploads\/2024\/02\/soldering_news_solder-material_03.jpg\" \/><\/div>\n<div class=\"_image align-center mb-4\"><img decoding=\"async\" src=\"\/wp\/wp-content\/uploads\/2024\/02\/soldering_news_solder-material_04.jpg\" \/><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<p>\t<!-- ------------------Reduction of Surface Tension Starts Here-------------------<span class=\"text-size-medium\"><strong><mark>aaa<\/mark><\/strong><\/span> --><\/p>\n<div id=\"03\" class=\"c-box\">\n<div class=\"row\">\n<div class=\"col-md-12\">\n<h2 class=\"heading-title\">About Differences in Flux<\/h2>\n<\/p><\/div>\n<div class=\"col-md-7 order-md-2\">\n<p><span class=\"text-size-small\"><span class=\"label-primary\">Y<\/span>&emsp;Next, let&#8217;s talk about the <span class=\"text-size-medium\"><strong><mark>differences in flux<\/mark><\/strong><\/span>. Here, too, let&#8217;s watch a video comparing two types of flux. Please.<br \/>\nIn this video, the same metal composition solder wire is used for both. The left uses standard flux, showing <span class=\"text-size-medium\"><strong><mark>good wettability<\/mark><\/strong><\/span>. The right uses <span class=\"text-size-medium\"><strong><mark>halogen-free solder<\/mark><\/strong><\/span>. The solder on the right side does not spread easily. Finally, the solder has properly wetted the surface.<br \/>\n<br \/>I think you can see the difference in solderability due to the type of flux. In the case of halogen-free, the <span class=\"text-size-medium\"><strong><mark>cleaning effect and the reduction of surface tension are lower<\/mark><\/strong><\/span>, making it harder for the solder to spread.<br \/>\n\t\t\t\t<\/span><\/p>\n<\/p><\/div>\n<div class=\"col-md-5 order-md-1\">\n<div class=\"_image align-center mb-4\"><img decoding=\"async\" src=\"\/wp\/wp-content\/uploads\/2024\/02\/soldering_news_solder-material_05.jpg\" \/><\/div>\n<div class=\"_image align-center mb-4\"><img decoding=\"async\" src=\"\/wp\/wp-content\/uploads\/2024\/02\/soldering_news_solder-material_06.jpg\" \/><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<p>\t<!-- ------------------Summary Starts Here-------------------<span class=\"text-size-medium\"><strong><mark>aaa<\/mark><\/strong><\/span>\n\n<hr class=\"hr-color-dark\">--><\/p>\n<div id=\"04\" class=\"c-box\">\n<div class=\"row\">\n<div class=\"col-md-12\">\n<h2 class=\"heading-title\">Summary<\/h2>\n<\/p><\/div>\n<div class=\"col-md-7 order-md-1\">\n<p><span class=\"text-size-small\"><span class=\"label-primary\">Y<\/span>&emsp;As such, solder materials are a <span class=\"text-size-medium\"><strong><mark>significant factor<\/mark><\/strong><\/span> in influencing solderability. Japan Unix conducts <span class=\"text-size-medium\"><strong><mark>comparison tests of solder materials<\/mark><\/strong><\/span>, so feel free to consult with Japan Unix.<br \/>\n<br \/>See you again. Goodbye.<br \/>\n\t\t\t\t<\/span><\/p>\n<\/p><\/div>\n<div class=\"col-md-5 order-md-2\">\n<div class=\"_image align-center mb-4\"><img decoding=\"async\" src=\"\/wp\/wp-content\/uploads\/2024\/02\/soldering_news_solder-material_07.jpg\" \/><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<hr class=\"hr-color-dark\">\n<div class=\"row\">\n<div class=\"col-md-12\">\n<div class=\"panel-light\">\n<div class=\"_header\">Download Materials<\/div>\n<div class=\"_body\"><mark>\uff3cAdopted by over 1,000 companies worldwide\uff0f<\/mark>Introduction to Japan Unix&#8217;s Products &#038; Services<\/p>\n<div class=\"row-lg-2\">\n<div class=\"col\"><a class=\"btn-primary btn-animation btn-block btn-icon-next\" href=\"https:\/\/www.japanunix.com\/en\/contact\/download_catalog\">Download Now<\/a><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/div>\n<p>\t<!-- ------------------Related Products & Services Starts Here-------------------<span class=\"text-size-medium\"><strong><mark>aaa<\/mark><\/strong><\/span> --><\/p>\n<div id=\"05\" class=\"c-box\">\n<div class=\"col-md-12\">\n<h2 class=\"heading-title\">Related Products &#038; Services<\/h2>\n<\/p><\/div>\n<\/div>\n<div class=\"products-top-grid\" role=\"list\" style=\"display: flex; gap: 12px; justify-content: space-between; align-items: stretch; margin-bottom: 20px;\">\n<p>  <a class=\"card-default\" role=\"listitem\" href=\"https:\/\/www.japanunix.com\/en\/products\/automation\/multi-axes-soldering-robot\/horizontal\/\" style=\"flex: 1; display: flex; flex-direction: column; text-decoration: none; color: #333; border: 1px solid #ddd; border-radius: 4px; overflow: hidden; background: #fff;\"><\/p>\n<div style=\"padding: 10px; border-bottom: 1px solid #eee; display: flex; justify-content: center; align-items: center; aspect-ratio: 1\/1;\">\n      <img decoding=\"async\" src=\"\/en\/wp\/wp-content\/uploads\/2022\/08\/unix_fr_hfr-2-300x300.jpg\" alt=\"UNIX-HFR\" style=\"max-width: 100%; height: auto; object-fit: contain;\">\n    <\/div>\n<div style=\"padding: 10px; flex-grow: 1; display: flex; flex-direction: column;\">\n<p style=\"font-weight: bold; margin: 0 0 5px 0; font-size: 14px;\">UNIX-HFR<\/p>\n<p style=\"font-size: 12px; line-height: 1.4; color: #666; margin: 0;\">High-speed inline platform for mass production lines.<\/p>\n<\/p><\/div>\n<div style=\"padding: 10px; background: #f9f9f9; text-align: center; font-size: 12px; font-weight: bold; color: #0056b3; border-top: 1px solid #eee;\">\n      View Details\n    <\/div>\n<p>  <\/a><\/p>\n<p>  <a class=\"card-default\" role=\"listitem\" href=\"https:\/\/www.japanunix.com\/en\/products\/automation\/multi-axes-soldering-robot\/vertical\/\" style=\"flex: 1; display: flex; flex-direction: column; text-decoration: none; color: #333; border: 1px solid #ddd; border-radius: 4px; overflow: hidden; background: #fff;\"><\/p>\n<div style=\"padding: 10px; border-bottom: 1px solid #eee; display: flex; justify-content: center; align-items: center; aspect-ratio: 1\/1;\">\n      <img decoding=\"async\" src=\"https:\/\/www.japanunix.com\/en\/wp\/wp-content\/uploads\/2021\/11\/UNIX_FRseries_vertical.jpg\" alt=\"UNIX-VFR\" style=\"max-width: 100%; height: auto; object-fit: contain;\">\n    <\/div>\n<div style=\"padding: 10px; flex-grow: 1; display: flex; flex-direction: column;\">\n<p style=\"font-weight: bold; margin: 0 0 5px 0; font-size: 14px;\">UNIX-VFR<\/p>\n<p style=\"font-size: 12px; line-height: 1.4; color: #666; margin: 0;\">Articulated access for angled joints and complex parts.<\/p>\n<\/p><\/div>\n<div style=\"padding: 10px; background: #f9f9f9; text-align: center; font-size: 12px; font-weight: bold; color: #0056b3; border-top: 1px solid #eee;\">\n      View Details\n    <\/div>\n<p>  <\/a><\/p>\n<p>  <a class=\"card-default\" role=\"listitem\" href=\"\/en\/products\/automation\/desktop-soldering-robot\/\" style=\"flex: 1; display: flex; flex-direction: column; text-decoration: none; color: #333; border: 1px solid #ddd; border-radius: 4px; overflow: hidden; background: #fff;\"><\/p>\n<div style=\"padding: 10px; border-bottom: 1px solid #eee; display: flex; justify-content: center; align-items: center; aspect-ratio: 1\/1;\">\n      <img decoding=\"async\" src=\"\/en\/wp\/wp-content\/uploads\/2022\/08\/unix_df404s-225x300.jpg\" alt=\"UNIX-DF\" style=\"max-width: 100%; height: auto; object-fit: contain;\">\n    <\/div>\n<div style=\"padding: 10px; flex-grow: 1; display: flex; flex-direction: column;\">\n<p style=\"font-weight: bold; margin: 0 0 5px 0; font-size: 14px;\">UNIX-DF<\/p>\n<p style=\"font-size: 12px; line-height: 1.4; color: #666; margin: 0;\">Desktop automated soldering station for cell production.<\/p>\n<\/p><\/div>\n<div style=\"padding: 10px; background: #f9f9f9; text-align: center; font-size: 12px; font-weight: bold; color: #0056b3; border-top: 1px solid #eee;\">\n      View Details\n    <\/div>\n<p>  <\/a><\/p>\n<p>  <a class=\"card-default\" role=\"listitem\" href=\"\/en\/products\/automation\/gantry-soldering-robot\/\" style=\"flex: 1; display: flex; flex-direction: column; text-decoration: none; color: #333; border: 1px solid #ddd; border-radius: 4px; overflow: hidden; background: #fff;\"><\/p>\n<div style=\"padding: 10px; border-bottom: 1px solid #eee; display: flex; justify-content: center; align-items: center; aspect-ratio: 1\/1;\">\n      <img decoding=\"async\" src=\"\/wp\/wp-content\/uploads\/2023\/04\/gf_main_body.jpg\" alt=\"UNIX-GF\" style=\"max-width: 100%; height: auto; object-fit: contain;\">\n    <\/div>\n<div style=\"padding: 10px; flex-grow: 1; display: flex; flex-direction: column;\">\n<p style=\"font-weight: bold; margin: 0 0 5px 0; font-size: 14px;\">UNIX-GF<\/p>\n<p style=\"font-size: 12px; line-height: 1.4; color: #666; margin: 0;\">Large boards in-line, with desktop-like operability.<\/p>\n<\/p><\/div>\n<div style=\"padding: 10px; background: #f9f9f9; text-align: center; font-size: 12px; font-weight: bold; color: #0056b3; border-top: 1px solid #eee;\">\n      View Details\n    <\/div>\n<p>  <\/a><\/p>\n<p>  <a class=\"card-default\" role=\"listitem\" href=\"\/en\/products\/automation\/unit\/\" style=\"flex: 1; display: flex; flex-direction: column; text-decoration: none; color: #333; border: 1px solid #ddd; border-radius: 4px; overflow: hidden; background: #fff;\"><\/p>\n<div style=\"padding: 10px; border-bottom: 1px solid #eee; display: flex; justify-content: center; align-items: center; aspect-ratio: 1\/1;\">\n      <img decoding=\"async\" src=\"\/en\/wp\/wp-content\/uploads\/2024\/08\/usc-06_mailmagazine.jpg\" alt=\"Unit\" style=\"max-width: 100%; height: auto; object-fit: contain;\">\n    <\/div>\n<div style=\"padding: 10px; flex-grow: 1; display: flex; flex-direction: column;\">\n<p style=\"font-weight: bold; margin: 0 0 5px 0; font-size: 14px;\">Unit<\/p>\n<p style=\"font-size: 12px; line-height: 1.4; color: #666; margin: 0;\">Heads and feeders to build automated soldering stations.<\/p>\n<\/p><\/div>\n<div style=\"padding: 10px; background: #f9f9f9; text-align: center; font-size: 12px; font-weight: bold; color: #0056b3; border-top: 1px solid #eee;\">\n      View Details\n    <\/div>\n<p>  <\/a><\/p>\n<\/div>\n<div class=\"row\">\n<div class=\"col-md-12\">\n<p style=\"text-align: center; margin-top: 20px;\">\n      <a class=\"btn-primary btn-icon-next\" href=\"\/en\/products\/automation\/\" style=\"display: inline-block; padding: 10px 20px; background-color: #0056b3; color: #fff; text-decoration: none; border-radius: 4px;\">Explore Robotic Soldering Category<\/a>\n    <\/p>\n<\/p><\/div>\n<\/div>\n<p><!-- ------------------Video for This Article Starts Here-------------------<span class=\"text-size-medium\"><strong><mark>aaa<\/mark><\/strong><\/span> --><\/p>\n<div id=\"06\" class=\"c-box\">\n<div class=\"row\">\n<div class=\"col-md-12\">\n<h2 class=\"heading-title\">Video for This Article<\/h2>\n<\/p><\/div>\n<div class=\"col-md-3\">\n<div class=\"js-modal-video\" data-modal=\"#modal-media-target\" data-video-id=\"sJoVWptv5_4\">\n<div class=\"_thumb\"><img decoding=\"async\" src=\"https:\/\/img.youtube.com\/vi\/sJoVWptv5_4\/maxresdefault.jpg\" alt=\"\" \/><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/div>\n","protected":false},"featured_media":0,"template":"","column_category":[296,309,307,297,304],"column_tag":[],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.japanunix.com\/en\/wp-json\/wp\/v2\/column\/17223"}],"collection":[{"href":"https:\/\/www.japanunix.com\/en\/wp-json\/wp\/v2\/column"}],"about":[{"href":"https:\/\/www.japanunix.com\/en\/wp-json\/wp\/v2\/types\/column"}],"wp:attachment":[{"href":"https:\/\/www.japanunix.com\/en\/wp-json\/wp\/v2\/media?parent=17223"}],"wp:term":[{"taxonomy":"column_category","embeddable":true,"href":"https:\/\/www.japanunix.com\/en\/wp-json\/wp\/v2\/column_category?post=17223"},{"taxonomy":"column_tag","embeddable":true,"href":"https:\/\/www.japanunix.com\/en\/wp-json\/wp\/v2\/column_tag?post=17223"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}