Method for making a microelectronic package using...

Etching a substrate: processes – Forming or treating an ornamented article – Treating elemental metal or alloy thereof

Reexamination Certificate

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Details

C216S041000, C216S083000, C216S100000, C264S319000

Reexamination Certificate

active

10771252

ABSTRACT:
A method for making a reusable mold for forming a microelectronic element package. The method including the steps of removing material from portions of a base to form recesses in the base and then depositing a mask material on at least some portions of the base.

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patent: H000788 (1990-06-01), Schneider, Jr.
patent: 5325583 (1994-07-01), Shimizu et al.
patent: 5633529 (1997-05-01), Otsuki
patent: 6285086 (2001-09-01), Sota et al.
patent: 6537459 (2003-03-01), Dufresne et al.
patent: 03-251395 (1991-11-01), None
patent: 2002-321337 (2002-11-01), None

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