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A screen printable silicone-imide paste for high performance coatings and adhesives

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4 Author(s)
Jin-O Choi ; Occidental Chem. Co., Grand Island, NY, USA ; Kirsten, R. ; Rojstaczer, S. ; Riordan, D.

Summary form only given. A novel screen printable paste has been developed for use as a patterned protective coating or adhesive. This high purity, high solid content paste is based on a high temperature, thermoplastic silicone-imide resin that provides good thermal stability, low water absorption and hot-melt adhesion. By using either a stencil or a screen, a good resolution pattern can be obtained for a 60 μm thick baked layer. The fully cured coatings show low moisture absorption and excellent mechanical properties. The glass transition temperature is 165°C. The fully cured coatings can be bonded to alloy 42 metal substrate by laminating at 250°C. The paste can be used in non-conductive die-attach applications as well as an overcoat protective layer over rigid or flexible circuits

Published in:

Advanced Packaging Materials. Proceedings., 3rd International Symposium on

Date of Conference:

9-12 Mar 1997