Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
October 14, 2008
Patent Application Number
10284105
Date Filed
October 31, 2002
Patent Primary Examiner
Patent abstract
A semiconductor device includes a first surface faced to a mounting board when the semiconductor device is placed over the mounting board and a second surface opposed to the first surface. The semiconductor device also includes a position reference portion which is provided in an area including sides of the second surface and which has an optical reflection factor different from that of the mounting board.
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