Electricity: measuring and testing – Fault detecting in electric circuits and of electric components – Of individual circuit component or element
Patent
1993-08-19
1995-01-03
Karlsen, Ernest F.
Electricity: measuring and testing
Fault detecting in electric circuits and of electric components
Of individual circuit component or element
324 725, G01R 1073
Patent
active
053789717
ABSTRACT:
A probe is formed of an Au--Cu alloy essentially consisting of 74 to 76 parts by weight of gold and 24 to 26 parts by weight of copper, by a process comprising the steps of heating the alloy to at least 350.degree. C. and gradually cooling the heated alloy to the room temperature in at least 5 hours.
REFERENCES:
patent: 3613001 (1971-10-01), Hostetter
patent: 3781681 (1973-12-01), Wagner et al.
patent: 4225819 (1980-09-01), Grau et al.
patent: 4574235 (1986-03-01), Kelly et al.
Wise, Edmund M.: Gold, recovery, properties and applications D. Van Nostrand Co., Inc., New Jersey 1964 (pp. 108-111).
Karlsen Ernest F.
Tokyo Electron Limited
Tokyo Electron Yamanashi Limited
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