Electricity: measuring and testing – Fault detecting in electric circuits and of electric components – Of individual circuit component or element
Patent
1994-04-05
1995-08-22
Wieder, Kenneth A.
Electricity: measuring and testing
Fault detecting in electric circuits and of electric components
Of individual circuit component or element
324 725, 437 8, 29825, 439482, 333246, G01R 3100, G01R 3102
Patent
active
054443881
ABSTRACT:
A semiconductor apparatus for functionally inspecting semiconductor devices is designed to prevent contact failure, deformation, and the like caused by solder transferred from external leads of semiconductor devices and deposited on contact terminals of the inspection apparatus. A sheet having metal-film patterns corresponding to an array of external leads of a semiconductor device is interposed between the external leads and the contact terminals to electrically connect the external leads to the contact terminals. The semiconductor device is inspected and the sheet is changed at a suitable time when it is contaminated with solder.
REFERENCES:
patent: 4987365 (1991-01-01), Shreeve et al.
patent: 5313157 (1994-05-01), Pasieczuik et al.
Ideta Yasushi
Umezu Tsunenori
Washitani Akihiro
Bowser Barry C.
Mitsubishi Denki & Kabushiki Kaisha
Wieder Kenneth A.
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