Plating process and structure
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United States of America Patent
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Sep 17, 2013
Grant Date -
Jun 6, 2013
app pub date -
Dec 2, 2011
filing date -
Dec 2, 2011
priority date (Note) -
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Abstract
A system and method for plating a contact connected to a test pad is provided. An embodiment comprises inserting a blocking material into vias between the contact and the test pad. In another embodiment a blocking structure may be inserted between the contact and the test pad. In yet another embodiment a blocking layer may be inserted into a contact stack. Once the blocking material, the blocking structure, or the blocking layer have been formed, the contact may be plated, with the blocking material, the blocking structure, or the blocking layer reducing or preventing degradation of the test pad due to galvanic effects.
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