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:
Nov. 04, 2003
Filed:
Jul. 31, 2000
Applicant:
Inventor:
Yuichiro Ori, Moriyama, JP;
Assignee:
Minolta Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01S 3/10 ; G03B 2/754 ;
U.S. Cl.
CPC ...
H01S 3/10 ; G03B 2/754 ;
Abstract
A laser irradiation optical system includes a dividing means for dividing a first entering laser beam once, and producing a plurality of second laser beams having beam widths equal to the beam which of the first laser beam and advancing in mutually different directions, a condensing means for condensing for condensing each second laser beam to mutually advance in near the same direction; and a shaping means for converting the intensity distribution of a cross section perpendicular to the optical path of each second laser beam in the optical paths of the mutually separated second laser beams.