Semiconductor device and method for producing same

Details Semiconductor device and method for producing same Semiconductor device and method for producing same

H - Electricity

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117/196, 117/64

H01L 21/475 (2006.01) H01L 21/312 (2006.01) H01L 23/29 (2006.01) H01L 23/31 (2006.01) H01L 23/556 (2006.01)

Patent

CA 1162797

SEMICONDUCTOR DEVICE AND METHOD FOR PRODUCING SAME ABSTRACT OF THE DISCLOSURE A semiconductor device having a protective polyimide film layer for preventing a-rays from intruding into the device is provided The polyimide film layer has incorpo- rated therein a salient amount of finely divided filler- particles, and is formed on the surface of at least a region wherein the semiconductor element is formed The polyimide film layer is formed by coating the semiconductor substrate with a liquid polyimide or polyamic acid compo- sition having incorporated therein the finely divided filler particles, according to a screen printing method.

370823

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