Electricity: measuring and testing – Fault detecting in electric circuits and of electric components – Of individual circuit component or element
Patent
1997-12-30
2000-04-11
Karlsen, Ernest
Electricity: measuring and testing
Fault detecting in electric circuits and of electric components
Of individual circuit component or element
324761, 324754, G01R 100
Patent
active
060492171
ABSTRACT:
A test contactor having a heat slug for removing heat from an electronic device engaging the contactor. The heat slug is positioned in the test contactor so that a thermally conductive surface of the heat slug will intimately contact a heat-radiating bottom surface of the electronic device when the electronic device is in position for testing by the test contactor. A separate heat slug may also be provided for contacting a heat-radiating top surface of the electronic device. Either or both of the heat slugs may be spring loaded or otherwise movably constrained to maximize surface contact with the electronic device by self-positioning when all elements are placed in proper test position. Improved thermal contact may also be achieved by the use of compliant material between the respective contact surfaces of the heat slug and electronic device. Failure induced by stress at the corners of the electronic device may be minimized by making the contact area of the heat slug smaller than the affected surface area of the electronic device. Heat transfer may be further improved by configuring the heat slug with cooling fins and by using convection flow past the heat slug.
REFERENCES:
patent: 4839587 (1989-06-01), Flatley et al.
patent: 4887147 (1989-12-01), Friedman
patent: 5196785 (1993-03-01), Douglas
patent: 5608267 (1997-03-01), Mahulikar et al.
patent: 5822848 (1998-10-01), Chiang
patent: 5847366 (1998-12-01), Grunfeld
Maxwell Martin M.
Shahriari Navid
Viswanath Ram S.
Intel Corporation
Karlsen Ernest
Sundaram T. R.
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