Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
December 2, 2008
Patent Application Number
12043136
Date Filed
March 6, 2008
Patent Primary Examiner
Patent abstract
A PCB of a probe card includes a first region, a second region, a third region and a fourth region arranged clockwise. The circuit pattern of the first region corresponds to the circuit pattern of the third region. The circuit pattern of the second region corresponds to the circuit pattern of the fourth region, wherein the circuit pattern of the first region is different from the circuit pattern of the second region.
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