The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 07, 2012

Filed:

Nov. 25, 2008
Applicants:

Ryuji Ueda, Kitakatsushika-gun, JP;

Satoshi Tanaka, Kuki, JP;

Osamu Koga, Kasukabe, JP;

Fusao Takagi, Kitakatsushika-gun, JP;

Hiroshi Matsuzawa, Tokyo, JP;

Yusuke Onoda, Minamisaitama-gun, JP;

Shingo Akao, Kitakatsushika-gun, JP;

Inventors:

Ryuji Ueda, Kitakatsushika-gun, JP;

Satoshi Tanaka, Kuki, JP;

Osamu Koga, Kasukabe, JP;

Fusao Takagi, Kitakatsushika-gun, JP;

Hiroshi Matsuzawa, Tokyo, JP;

Yusuke Onoda, Minamisaitama-gun, JP;

Shingo Akao, Kitakatsushika-gun, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C 25/68 (2006.01); G03F 7/20 (2006.01);
U.S. Cl.
CPC ...
Abstract

A metal photoetching product comprising at least one large cavity of minor axis WS, major axis WL and depth Din a surface of the product, wherein one or more cavities are included inside at least one of the at least one large cavity, and a smallest hole among the cavities has minor axis of WS, major axis WL, and depth D; and the product satisfies the following dimensions, D+D=plate thickness D, 0.02 mm≦D≦2 mm, 0.4×D<WS<D, and 0.2×D<WS<0.8×D.


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