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. 21, 2003
Filed:
Dec. 19, 2001
Applicant:
Inventors:
Tatsuki Okawa, Tokyo, JP;
Yasuhiko Iwai, Tokyo, JP;
Miki Kurosawa, Tokyo, JP;
Masanori Mizuno, Tokyo, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 2/638 ; B23K 2/6067 ;
U.S. Cl.
CPC ...
B23K 2/638 ; B23K 2/6067 ;
Abstract
The present invention relates to a laser beam machine having a laser oscillator, for generating a laser beam; a light path system, including galvano mirrors and an f&thgr; lens that form a light path along which the laser beam emitted by the laser oscillator is guided to an object; and a diffractive optical element, located along the light path leading from the laser oscillator to the galvano mirrors.