G - Physics – 01 – R
Patent
G - Physics
01
R
356/117
G01R 31/26 (2006.01) G01R 1/073 (2006.01) G01R 31/28 (2006.01) H05K 13/08 (2006.01)
Patent
CA 1266333
ABSTRACT OF THE DISCLOSURE A plug board for testing integrated circuits for operating characteristics and electrostatic breakdown com- prises a plurality of sockets to receive therein the terminal of an integrated circuit to be tested, a plurality of con- tacting terminals arranged in an annular layout and electri- cally connected with the sockets, an annular grounding belt for grounding the contacting terminals when static charge is applied to a selected one of them, and a drive system which rotates the plug board about the center of the contacting terminals. The grounding belt may be grounded either through a brush that is mounted in sliding contact with the plug board or a metal gear wheel secured fixedly to the plug board. Electric connection between the grounding belt and the contacting terminals may be provided either through a jumper that is interconnected between one of the grounding pins provided in the grounding belt and one of the contacting terminals or a high-capacity device that is mounted at a location closely adjacent to where an integrated circuit to be tested is set.
538801
Nakaie Toshiyuki
Oonishi Tethuo
Hanwa Electronic Co. Ltd.
Malcolm Johnston & Associates
LandOfFree
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