Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Shigeru Matsumura0
Date of Patent
August 1, 2006
0Patent Application Number
103457050
Date Filed
January 16, 2003
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A probe card used for establishing electric contact with an electric part to inspect an electric characteristic thereof comprises a plurality of conductors, each transmitting a signal used for inspection, and a plurality of bumps, each formed on one of the plurality of conductors, which are used for establishing mechanical contact with the electric part. Each bump includes a lower portion fusedly arranged on the conductor and an upper portion taperedly formed in such a fashion that a cross section of the bump closer to a tip thereof is smaller.
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