Wiring substrate manufacturing method

Metal working – Method of mechanical manufacture – Electrical device making

Reexamination Certificate

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Details

C029S846000, C029S847000, C430S005000, C430S319000, C430S321000, C977S726000

Reexamination Certificate

active

07040011

ABSTRACT:
A wiring substrate is manufactured in short TAT.Wirings of the wiring substrate are formed by an exposure treatment using a photomask which has shade patterns each containing at least nano particles and a binder.

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patent: 6370441 (2002-04-01), Ohnuma
patent: 5-289307 (1993-11-01), None
patent: 05-289307 (1993-11-01), None
patent: 8-255981 (1996-10-01), None
patent: 09-321184 (1997-12-01), None
patent: 9-321184 (1997-12-01), None

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