Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 21, 2006
Patent Application Number
11084938
Date Filed
March 21, 2005
Patent Primary Examiner
Patent abstract
A method is disclosed for fabricating a patterned embedded capacitance layer. The method includes fabricating (1305, 1310) a ceramic oxide layer (510) overlying a conductive metal layer (515) overlying a printed circuit substrate (505), perforating (1320) the ceramic oxide layer within a region (705), and removing (1325) the ceramic oxide layer and the conductive metal layer in the region by chemical etching of the conductive metal layer. The ceramic oxide layer may be less than 1 micron thick.
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