Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 13, 2009
Patent Application Number
11647410
Date Filed
December 29, 2006
Patent Primary Examiner
Patent abstract
A probe card mainly includes a circuit board, a probe assembly, an elastic support assembly, a plurality of level maintaining assemblies and a turning secure assembly. The circuit board has pads and spring bores. The probe assembly has a electrical signal transform board and probes on it. The elastic support assembly has a fixed plate, a locking plate and a plurality of springs. The springs are received in the spring bores of the circuit board to urge the electrical signal transform board for absorption of a height difference of the electrical signal transform board when the electrical signal transform board is inclined.
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