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.:
Date of Patent:
Jan. 13, 2009
Filed:
Jul. 20, 2005
Applicants:
Wataru Nakagawa, Tokyo, JP;
Kazunori Hashimoto, Tokyo, JP;
Inventors:
Wataru Nakagawa, Tokyo, JP;
Kazunori Hashimoto, Tokyo, JP;
Assignee:
Adtec Engineering Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 27/42 (2006.01); G03B 27/54 (2006.01);
U.S. Cl.
CPC ...
Abstract
A projection exposure apparatus and a method for producing a printed circuit board wherein, the whole pattern including piecesand couponsto be exposed on a print circuit boardis depicted on a photo maskdivided in six areas by divide line, the exposure will be made with respect to the each divided area of the photo maskmounted on a movable photo mask stagewith using a masking devicemasking other area than the exposing area.