Manufacturing method of semiconductor device and...

Details Manufacturing method of semiconductor device and... Manufacturing method of semiconductor device and...

2008-05-20

2008-05-20

Zarneke, David A (Department: 2891)

Semiconductor device manufacturing: process

Packaging or treatment of packaged semiconductor

Metallic housing or support

C257SE21513

Reexamination Certificate

active

11181929

ABSTRACT:
Improvement in the reliability of a semiconductor device is aimed at. By heating a lead frame, after preparing a lead frame with a tape, until a resin molding is performed, at the temperature 160 to 300° C. (preferably 180 to 300° C.) for a total of more than 2 minutes in the atmosphere which has oxygen, crosslinkage density becoming high in resin of adhesives, a low molecular compound volatilizes and jumps out outside, therefore as a result, since a low molecular compound does not remain in resin of adhesives, the generation of copper migration can be prevented.

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