Stock material or miscellaneous articles – Structurally defined web or sheet – Continuous and nonuniform or irregular surface on layer or...
Reexamination Certificate
2011-03-29
2011-03-29
Speer, Timothy (Department: 1794)
Stock material or miscellaneous articles
Structurally defined web or sheet
Continuous and nonuniform or irregular surface on layer or...
C428S701000, C428S702000
Reexamination Certificate
active
07914877
ABSTRACT:
A thin plate member has a uniform thickness of not less than 5 μm and not more than 100 μm, includes at least a ceramic sheet, formed by sintering. The thin plate member has plural convex portions protruding from one plane P of the thin plate member, and plural concave portions caved in from the plane P. Accordingly, the deflection amount obtained when the thin plate member is supported at a predetermined support section of the thin plate member in a direction orthogonal to the plane P is smaller than the deflection amount of a thin plate member that is flat without having convex and concave portions. Therefore, a thin plate member which is difficult to be deformed is provided.
REFERENCES:
patent: 5273837 (1993-12-01), Aitken et al.
patent: 5480737 (1996-01-01), Satake et al.
patent: 2002/0012825 (2002-01-01), Sasahara et al.
patent: 2003/0012995 (2003-01-01), Hara et al.
patent: 2004/0161650 (2004-08-01), Robert
patent: 2004-342584 (2004-12-01), None
patent: 2006/005066 (2006-01-01), None
Maeda Takahiro
Nanataki Tsutomu
Ohmori Makoto
Shimogawa Natsumi
Burr & Brown
NGK Insulators Ltd.
Speer Timothy
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