Semiconductor device package

Details Semiconductor device package Semiconductor device package

1976-11-15

1979-02-13

Wojciechowicz, Edward J.

357 70, 357 74, 357 81, H01L 2328

Patent

active

041398599

ABSTRACT:
A semiconductor device package and a method of making it. A woven fiber mat impregnated with an epoxy adhesive serves as a first housing member. It includes an opening therein for receiving a semiconductor device. The housing member is placed on a supporting heat sink and a lead frame placed on top of the housing member. This subassembly is heated to bond the elements together by curing the epoxy adhesive in the first housing member. A similar second housing member is then placed over the lead frame. The second housing member includes an opening therein which is slightly larger than the opening in the first housing member. A lid is placed on top of the second housing member to cover the opening after the semiconductor device has been bonded to the substrate within the openings in the housing members. The assembly is then again heated to bond the remaining elements together with the epoxy adhesive in the second housing member to form a completed package.

REFERENCES:
patent: 3909838 (1975-09-01), Beyerlein
patent: 3943623 (1976-03-01), Mizutani et al.

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