Long size lead frame for semiconductor elements

Details Long size lead frame for semiconductor elements Long size lead frame for semiconductor elements

1991-11-05

1992-07-28

James, Andrew J.

357 79, H01L 2348, H01L 2944, H01L 2952, H01L 2960

Patent

active

051344580

ABSTRACT:
An upper seal block of a cope and a lower seal block of a drag are provided with sealants for nipping a portion of a long size lead frame, so that of a cavity enclosed with the cope and drag can be completely kept airtight. The long size lead frame may have a continuing part extending from one of two side members to the other, provided between adjacent lead patterns to be pressed by the sealants, so that the cavity can be further completely kept airtight.

REFERENCES:
patent: 3768986 (1973-10-01), Ramos et al.
patent: 4003073 (1977-01-01), Helda et al.
patent: 4012766 (1977-03-01), Phillips et al.
patent: 4400714 (1983-08-01), Brown
patent: 4680617 (1987-07-01), Ross
patent: 4942455 (1990-07-01), Shinohara

Affiliated with

Also associated with

Rating

Long size lead frame for semiconductor elements does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Long size lead frame for semiconductor elements, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Long size lead frame for semiconductor elements will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1689967