Protected chip stack

Details Protected chip stack Protected chip stack

2006-02-08

2008-10-14

Dang, Trung (Department: 2892)

Active solid-state devices (e.g., transistors, solid-state diode

Combined with electrical contact or lead

Flip chip

C257S786000, C257SE23175

Reexamination Certificate

active

07436072

ABSTRACT:
A protected chip stack having a first chip and a second chip on the first chip. A functional layer in at least the first chip or the second chip. On the first chip and on the second chip there is in each case a connecting element, the connecting element on the first chip forming with the connecting element on the second chip a mechanical connection between the two chips. The connecting element and the functional layer are made of the same material. At least in the case of the first chip or in the case of the second chip, the connecting element is in direct contact with the functional layer.

REFERENCES:
patent: 4933898 (1990-06-01), Gilberg et al.
patent: 5072331 (1991-12-01), Thiele et al.
patent: 5369299 (1994-11-01), Byrne
patent: 5468990 (1995-11-01), Daum
patent: 5824571 (1998-10-01), Rollender et al.
patent: 6414884 (2002-07-01), DeFelice et al.
patent: WO-00/67319 (2000-11-01), None

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