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:
Oct. 20, 1987
Filed:
Nov. 06, 1984
Takeshi Masaki, Kawasaki, JP;
Koichi Kawata, Tama, JP;
Yukuo Sakagaito, Yokohama, JP;
Katsumasa Yamaguchi, Kawasaki, JP;
Hiromichi Kinoshiro, Yokohama, JP;
Hiroto Toba, Yokohama, JP;
Matsushita Electric Industrial Co., Ltd, Kadoma, JP;
Abstract
Processing of plural works can be made simultaneously by using divided laser beams which is issued from one large Co.sub.2 laser beam source, the dividing being made by one or more rotary chopper mirror(s) comprising reflecting parts and light passing parts, and its ration and pulsive start and stop of laser oscillation are controlled in interrelated manner and by controlling the duty time of the laser oscillation in PWM manner. The distribution of powers of the laser beams divided by the rotary chopper mirrors is desirably selectable, thereby enabling simultaneous processing of plural works under the different processing conditions.