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http://www.google.com.au/patents/US3748548?utm_source=gb-gplus-share
Patent US3748548 - THREE-DIMENSIONAL INTEGRATED CIRCUITS
THREE-DIMENSIONAL INTEGRATED CIRCUITS
Robert W. Haisty et al
Overview
Abstract
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Description
Claims
Patent number
: 3748548
Filing date
: 3 Sep 1971
Issue date
: 2 Jul 1973
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