{"id":19875,"date":"2024-12-06T14:32:44","date_gmt":"2024-12-06T06:32:44","guid":{"rendered":"https:\/\/nswautomation.com\/NSW\/?p=19875"},"modified":"2025-05-26T15:34:23","modified_gmt":"2025-05-26T07:34:23","slug":"achieve-uniform-coating-results-with-slit-nozzle-solution","status":"publish","type":"post","link":"https:\/\/nswautomation.com\/NSW\/achieve-uniform-coating-results-with-slit-nozzle-solution\/","title":{"rendered":"Achieve Uniform Coating Results with Slit Nozzle Solution"},"content":{"rendered":"
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[vc_row css=”.vc_custom_1676959376548{margin-top: -70px !important;}”][vc_column width=”3\/4″][vc_empty_space height=”20″][vc_custom_heading source=”post_title” font_container=”tag:h1|font_size:28|text_align:left|line_height:1″ use_theme_fonts=”yes”][vc_column_text css=”.vc_custom_1741944550826{padding-top: 15px !important;}” el_class=”text-events”]Author:<\/strong> Tan Yi Farn,\u00a0 Last update on May 26, 2025, Prepared by the NSW Automation Marketing Team <\/em><\/span>[\/vc_column_text][vc_column_text css=”.vc_custom_1676959385030{margin-right: -15px !important;margin-left: -15px !important;}” el_class=”text-events”]

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What is Slit Nozzle Coating?<\/strong><\/span><\/h2>\n

Slit nozzle coating is an advanced technique widely used in electronics, display manufacturing, and high-precision coating applications. The slit-shaped nozzle distributes materials as a continuous sheet, ensuring uniform and precise coverage across the application surface.<\/p>\n

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In slit nozzle coating, the nozzle moves up and down to control the coating thickness. While the table moves horizontally to spread the material evenly across the surface. This coordinated movement ensures a smooth, uniform layer, making it ideal for precise applications in electronics and display manufacturing.<\/p>\n

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Applicable in Industries<\/span><\/strong><\/h2>\n

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Hands-On Demonstration<\/span><\/strong><\/h2>\n

In our demonstration, we used copper sintering paste with the slit nozzle coating method to highlight its effectiveness. This technique showcases the superior precision and efficiency of dispensing materials in a controlled manner.<\/p>\n

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<\/div>[\/vc_column_inner][vc_column_inner width=”3\/4″][vc_column_text css=”.vc_custom_1733478919522{margin-bottom: 30px !important;}”]The Usage of Sinter<\/span><\/strong><\/p>\n

Material properties of sintered silver (Ag) or copper (Cu) offer significant benefits over traditional solder for certain applications. Sintered materials provide enhanced electrical conductivity, improved thermal performance, and a robust bond, making them ideal for demanding environments in the electronics industry.<\/p>\n

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Sintering Process Copper Paste Slit Nozzle<\/em><\/span><\/p>\n

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Observations and Results<\/span><\/h2>\n

Our demonstration highlighted several key benefits of the slit nozzle coating method:<\/p>\n