Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With rotor
Patent
1992-06-18
1994-09-13
Wieder, Kenneth A.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
With rotor
324761, 439 72, 439 68, 439 70, G01R 104
Patent
active
053472152
ABSTRACT:
A semiconductor chip test jig for testing a chip 10 with "gull-wing" leads 11 comprises a body 20 and a cover 30. The body 20 has sets of fins or combs 23 which engage with the leads 11 to locate the chip 10 in the horizontal plane; the cover 30 has a set of "knife-edge" lead supports 35 formed to match a trim and form jig in the region of the leads 11 from where they emerge from the encapsulation of the chip 10 to their first bends; and the body 20 has a set of spring-loaded pins 24 which contact the leads opposite the lead supports.
REFERENCES:
patent: 3377514 (1968-04-01), Ruehlemann et al.
patent: 3454921 (1969-07-01), Coleman et al.
patent: 4839587 (1988-03-01), Flatby et al.
patent: 5154619 (1992-10-01), Matsuoka
Armstrong Ross L.
Meiklejohn George A.
Bowser Barry C.
Cefalo Albert P.
Digital Equipment International Ltd.
Gupta Krishnendu
Hudgens Ronald C.
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