Electricity: measuring and testing – Fault detecting in electric circuits and of electric components – Of individual circuit component or element
Patent
1996-02-29
1999-08-31
Karlsen, Ernest
Electricity: measuring and testing
Fault detecting in electric circuits and of electric components
Of individual circuit component or element
324758, G01R 1073, G01R 3128
Patent
active
059458348
ABSTRACT:
A retainer board, holding a semiconductor wafer having a plurality of integrated circuit terminals for testing a semiconductor chip, is provided in confronting relation to a probe sheet having a plurality of probe terminals electrically connected to their corresponding integrated circuit terminals. An insulating substrate, having wiring electrically connected to the plural probe terminals, is provided on the probe sheet in opposed relation to the retainer board. An elastic member is interposed between the probe sheet and the insulating substrate. The retainer board and the probe sheet are brought into so closer relationship that each integrated circuit terminal of the semiconductor wafer held by the retainer board is electrically connected to its corresponding probe terminal of the probe sheet.
REFERENCES:
patent: 4833402 (1989-05-01), Boegh-Peterson
patent: 5148103 (1992-09-01), Pasiecznik, Jr.
patent: 5219765 (1993-06-01), Yoshida et al.
patent: 5317255 (1994-05-01), Suyama et al.
Fujiwara Atsushi
Hashimoto Shin
Hatada Kenzou
Miyanaga Isao
Nakata Yoshirou
Karlsen Ernest
Matsushita Electric - Industrial Co., Ltd.
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