{"id":803768,"date":"2026-04-22T11:07:02","date_gmt":"2026-04-22T11:07:02","guid":{"rendered":"https:\/\/www.abnewswire.com\/pressreleases\/?p=803768"},"modified":"2026-04-22T11:07:02","modified_gmt":"2026-04-22T11:07:02","slug":"thickness-control-in-tape-casting-for-alnsi3n4-ceramic-substrate-manufacturing","status":"publish","type":"post","link":"https:\/\/www.abnewswire.com\/pressreleases\/thickness-control-in-tape-casting-for-alnsi3n4-ceramic-substrate-manufacturing_803768.html","title":{"rendered":"Thickness Control in Tape Casting for AlN\/Si3N4 Ceramic Substrate Manufacturing"},"content":{"rendered":"<p style=\"text-align: justify;\">In the fabrication of AlN\/Si3N4 <a rel=\"nofollow\" title=\"Ceramic substrate\" href=\"https:\/\/www.dron-tech.com\/news\/thickness-control-in-tape-casting-for-aln-si3n4-ceramic-substrate-manufacturing\/\" target=\"_blank\">Ceramic substrate<\/a>s, tape casting stands as a pivotal process, especially when it comes to thickness control. Precise thickness management directly impacts the substrate&#8217;s performance in applications like electric vehicles (EVs) and 5G devices. Here&rsquo;s how it&rsquo;s achieved.<\/p>\n<p style=\"text-align: justify;\"><img decoding=\"async\" src=\"https:\/\/ecdn6-nc.globalso.com\/upload\/p\/2231\/image_other\/2025-08\/tape-casting.jpg\" alt=\"tape casting.jpg\" \/><\/p>\n<p style=\"text-align: justify;\">1. Technical Fundamentals of Thickness Control1.1 Slurry Properties Optimization<\/p>\n<ul style=\"text-align: justify;\">\n<li>Solid Loading Precision: High-solid slurries (e.g., 60 vol% AlN) require meticulous viscosity control, typically within 500 &#8211; 2000 cP. Adjusting dispersant dosage and ball-milling duration fine-tunes the slurry&rsquo;s flowability. A 1% variation in solid loading can expand thickness tolerance by &plusmn;3&mu;m.<\/li>\n<li>Solvent System Design: A mixed solvent (e.g., ethanol-toluene) with distinct boiling points enables controlled evaporation. Advanced systems maintain solvent evaporation rates within &plusmn;2% fluctuations, preventing thickness expansion during drying.<\/li>\n<\/ul>\n<p style=\"text-align: justify;\">1.2 Precision Equipment Design<\/p>\n<table>\n<tbody>\n<tr>\n<td>\n<p>Control Aspect<\/p>\n<\/td>\n<td>\n<p>Traditional Limitations<\/p>\n<\/td>\n<td>\n<p>Advanced Solutions<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Gap Adjustment<\/p>\n<\/td>\n<td>\n<p>&plusmn;5&mu;m (mechanical screw)<\/p>\n<\/td>\n<td>\n<p>&plusmn;1.5&mu;m (laser &#8211; servo \u8054\u52a8)<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Web Tension Stability<\/p>\n<\/td>\n<td>\n<p>Fluctuation &gt;2N (roller &#8211; driven)<\/p>\n<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Temperature Uniformity<\/p>\n<\/td>\n<td>\n<p>&Delta;T &plusmn;3\u2103 (single &#8211; zone heating)<\/p>\n<\/td>\n<td>\n<p>&Delta;T &plusmn;1\u2103 (multi &#8211; zone IR + N\u2082 purge)<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Slurry Feeding<\/p>\n<\/td>\n<td>\n<p>Manual adjustment (laggy)<\/p>\n<\/td>\n<td>\n<p>Closed &#8211; loop control (pump + sensor)<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: justify;\">2. Key Technological Innovations2.1 Laser &#8211; Guided Closed &#8211; Loop System<\/p>\n<p style=\"text-align: justify;\">Dual &#8211; wavelength laser gauges (1000Hz sampling) continuously monitor wet film thickness. A PID algorithm instantly adjusts the casting gap, responding within 50ms. This ensures thickness variations stay minimal, critical for applications demanding tight tolerances.<\/p>\n<p style=\"text-align: justify;\">2.2 Magnetic Levitation Web Support<\/p>\n<p style=\"text-align: justify;\">Traditional roller systems cause periodic thickness fluctuations. Magnetic levitation arrays eliminate contact stress, maintaining web tension stability. Combined with high &#8211; precision tension sensors (0.1N accuracy), this technology controls thickness fluctuations within &plusmn;0.5&mu;m, meeting strict flatness requirements for direct &#8211; bonded copper (DBC) processes.<\/p>\n<p style=\"text-align: justify;\">2.3 Intelligent Process Database<\/p>\n<p style=\"text-align: justify;\">Pre &#8211; loaded with over 100 sets of material &#8211; process parameters, the system auto &#8211; selects optimal casting settings for different AlN\/Si3N4 formulations. When powder particle size changes, the system automatically adjusts key parameters to keep thickness tolerance within &plusmn;1%.<\/p>\n<p style=\"text-align: justify;\"><img decoding=\"async\" src=\"https:\/\/ecdn6-nc.globalso.com\/upload\/p\/2231\/image_other\/2025-08\/intelligent-process-database.jpg\" alt=\"Intelligent Process Database.jpg\" \/><\/p>\n<p style=\"text-align: justify;\">3. Industry Standards and Performance Metrics<\/p>\n<table>\n<tbody>\n<tr>\n<td>\n<p>Metric<\/p>\n<\/td>\n<td>\n<p>Conventional Equipment<\/p>\n<\/td>\n<td>\n<p>Advanced Equipment<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Thickness Tolerance<\/p>\n<\/td>\n<td>\n<p>&plusmn;3&mu;m<\/p>\n<\/td>\n<td>\n<p>&plusmn;1.5&mu;m<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Inter &#8211; batch Consistency<\/p>\n<\/td>\n<td>\n<p>&le;2%<\/p>\n<\/td>\n<td>\n<p>&le;1.2%<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Large &#8211; area Uniformity (300mm)<\/p>\n<\/td>\n<td>\n<p>Edge &#8211; center &Delta;h &plusmn;5&mu;m<\/p>\n<\/td>\n<td>\n<p>Edge &#8211; center &Delta;h &plusmn;2&mu;m<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: justify;\">In summary, thickness control in tape casting hinges on synergizing material science, equipment innovation, and intelligent algorithms. These advancements enable the production of high &#8211; performance ceramic substrates, meeting the stringent demands of modern electronics.<\/p>\n<p><span style='font-size:18px !important;'>Media Contact<\/span><br \/><strong>Company Name:<\/strong> <a href=\"https:\/\/www.abnewswire.com\/companyname\/dron-tech.com_177794.html\" rel=\"nofollow\">Zhejiang Dron Technology Co., Ltd.<\/a><br \/><strong>Email:<\/strong> <a href=\"https:\/\/www.abnewswire.com\/email_contact_us.php?pr=thickness-control-in-tape-casting-for-alnsi3n4-ceramic-substrate-manufacturing\" rel=\"nofollow\">Send Email<\/a><br \/><strong>Country:<\/strong> China<br \/><strong>Website:<\/strong> <a href=\"https:\/\/www.dron-tech.com\/\" target=\"_blank\" rel=\"nofollow\">https:\/\/www.dron-tech.com\/<\/a><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.abnewswire.com\/press_stat.php?pr=thickness-control-in-tape-casting-for-alnsi3n4-ceramic-substrate-manufacturing\" alt=\"\" width=\"1px\" height=\"1px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the fabrication of AlN\/Si3N4 Ceramic substrates, tape casting stands as a pivotal process, especially when it comes to thickness control. Precise thickness management directly impacts the substrate&#8217;s performance in applications like electric vehicles (EVs) and 5G devices. Here&rsquo;s how &hellip; <a href=\"https:\/\/www.abnewswire.com\/pressreleases\/thickness-control-in-tape-casting-for-alnsi3n4-ceramic-substrate-manufacturing_803768.html\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[401,410,403,404,416],"tags":[],"class_list":["post-803768","post","type-post","status-publish","format-standard","hentry","category-Business","category-Manufacturing-Industry","category-UK","category-US","category-World"],"_links":{"self":[{"href":"https:\/\/www.abnewswire.com\/pressreleases\/wp-json\/wp\/v2\/posts\/803768","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.abnewswire.com\/pressreleases\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.abnewswire.com\/pressreleases\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.abnewswire.com\/pressreleases\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.abnewswire.com\/pressreleases\/wp-json\/wp\/v2\/comments?post=803768"}],"version-history":[{"count":0,"href":"https:\/\/www.abnewswire.com\/pressreleases\/wp-json\/wp\/v2\/posts\/803768\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.abnewswire.com\/pressreleases\/wp-json\/wp\/v2\/media?parent=803768"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.abnewswire.com\/pressreleases\/wp-json\/wp\/v2\/categories?post=803768"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.abnewswire.com\/pressreleases\/wp-json\/wp\/v2\/tags?post=803768"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}