| 摘要 |
PURPOSE:To improve the adhesion of the pellet and the films and to enhance the reliability to alpha ray resistance by a method wherein the films are fixed on the pellet by the reveting effect of a polyimide resin an which potting is performed. CONSTITUTION:Porous (perforated) films 2 are placed on a surface of a pellet 1. A curing layer 4 of a polyimide synthetic resin is so formed as to spread all over the surface of the pellet 1, the surfaces of the holes 3 of the films 2 and the surfaces of the films 2. Hereby, the adhesion of the pellet 1 and the films 2 is improved and the reliability to alpha ray resistance is enhanced.
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