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.

Patent No.:

US 7079221 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 18, 2006

Filed:

Aug. 31, 2005
Applicant:

Hiroshi Tanaka, Tochigi, JP;

Inventor:

Hiroshi Tanaka, Tochigi, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 27/42 (2006.01); G01B 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An exposure apparatus which projects a pattern of an original onto a substrate. The apparatus includes an original stage which supports the original, a substrate stage which supports the substrate, a reference pattern which is arranged on the original stage and to align the original stage and the substrate stage, and a mark, which is arranged on the original stage, has a known relative position from the reference pattern, and is to be projected onto the substrate to form an alignment mark on the substrate.


Find Patent Forward Citations

Tanaka, Hiroshi. (2006). Exposure apparatus and exposure method (U.S. Patent No. 7079221). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7079221

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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