Electro-optical device having a light-shielding film...

Active solid-state devices (e.g. – transistors – solid-state diode – Non-single crystal – or recrystallized – semiconductor... – Field effect device in non-single crystal – or...

Reexamination Certificate

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Details

C349S111000, C257SE27112

Reexamination Certificate

active

11023476

ABSTRACT:
A light-shielding film formed above a substrate has a multilayered thin film structure, in which a thin film not containing nitrogen and a thin film containing nitrogen are alternately arranged. Since the thin film containing nitrogen is formed in the light-shielding film, the stress caused by thermal distortion at the time of an annealing treatment is absorbed by the thin film containing nitrogen. Thus, cracks in an insulating film or a semiconductor film which extend from the light-shielding film can be prevented from occurring.

REFERENCES:
patent: 5759878 (1998-06-01), Hayashi et al.
patent: 5808714 (1998-09-01), Rowlands et al.
patent: 6157426 (2000-12-01), Gu
patent: 7167221 (2007-01-01), Yeh et al.
patent: 2002/0036818 (2002-03-01), Kawata
patent: 1343905 (2002-04-01), None
patent: 02-027764 (1990-01-01), None
patent: 04-063349 (1992-02-01), None
patent: A-07-013146 (1995-01-01), None
patent: 10-197713 (1998-07-01), None
patent: 2000-098407 (2000-04-01), None
patent: 2002-122888 (2002-04-01), None
patent: 2004-347779 (2004-12-01), None
patent: 2005-202290 (2005-07-01), None
patent: 2005-203684 (2005-07-01), None
English-Language abstract of JP 02-027764, Noguchi et al, Jan. 30, 1990.
English-Language abstract of JP 2005-203684.
English-Language abstract of JP 2005-202290.
English-Language abstract of JP 2004-347779.

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