Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With rotor
Patent
1992-02-07
1993-09-21
Nguyen, Vinh
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
With rotor
324158P, G01R 106, G01R 3102
Patent
active
052472485
ABSTRACT:
In order to improve the operability of a burn-in apparatus, to shorten the operating time, to reduce the number of the components, and to increase the package density of semiconductor integrated circuits to be accommodated within a burn-in apparatus, semiconductor integrated circuits with a lead frame are mounted on a first wiring board by means of fixing the pressuring member to the first wiring board with a magnetic force. Thereafter, the first wiring board is mounted to a second wiring board, and both are to be inserted into a burn-in apparatus.
REFERENCES:
patent: 4636726 (1987-01-01), Santomango et al.
patent: 4871963 (1989-10-01), Cozzi
patent: 4926117 (1990-05-01), Nevill
patent: 4985988 (1991-01-01), LIttlebury
patent: 5008614 (1991-04-01), Shreeve et al.
patent: 5086269 (1992-02-01), Nobi
Nguyen Vinh
Sharp Kabushiki Kaisha
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