Leadframe, resin-molded semiconductor device including the...

Active solid-state devices (e.g. – transistors – solid-state diode – Lead frame – With structure for mounting semiconductor chip to lead frame

Reexamination Certificate

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Details

C257S666000, C257S670000, C257S787000

Reexamination Certificate

active

06984880

ABSTRACT:
A leadframe includes: a frame rail; a die pad, disposed inside the frame rail, for mounting a semiconductor chip thereon; and a plurality of internal inner leads, which are disposed to surround the die pad and each of which has a convex portion on the bottom thereof. The frame rail and the internal inner leads are retained by a lead retaining member on their upper and/or lower surface(s).

REFERENCES:
patent: 5637913 (1997-06-01), Kajihara et al.
patent: 5834837 (1998-11-01), Song
patent: 5977615 (1999-11-01), Yamaguchi et al.
patent: 6225146 (2001-05-01), Yamaguchi et al.
patent: 09-008206 (1997-01-01), None
patent: 10-200010 (1998-07-01), None
patent: 10-270623 (1998-10-01), None
patent: 2000-183226 (2000-06-01), None
patent: 2000-223611 (2000-08-01), None
patent: 2001-345411 (2001-12-01), None
patent: 2001-345413 (2001-12-01), None
patent: 2002-076232 (2002-03-01), None
patent: 384531 (2000-03-01), None
Notice of Reasons of Rejection (Dated Jun. 24, 2003) Corresponds to JP 2001-037484.
Notice of Reasons of Rejection (Dated Jun. 24, 2003) Corresponds to JP 2001-037496.
Korean Office Action Dated Mar. 21, 2003.

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