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. 27, 2015
Filed:
Oct. 18, 2010
Applicants:
Hirofumi Imai, Tokyo, JP;
Koji Hirano, Tokyo, JP;
Inventors:
Hirofumi Imai, Tokyo, JP;
Koji Hirano, Tokyo, JP;
Assignee:
NIPPON STEEL & SUMITOMO METAL CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S 3/30 (2006.01); H01S 3/067 (2006.01); B23K 26/06 (2014.01); H01S 3/094 (2006.01); H01S 3/00 (2006.01); H01S 3/17 (2006.01); H01S 3/23 (2006.01);
U.S. Cl.
CPC ...
H01S 3/06716 (2013.01); B23K 26/0613 (2013.01); H01S 3/005 (2013.01); H01S 3/0675 (2013.01); H01S 3/09408 (2013.01); H01S 3/094011 (2013.01); H01S 3/175 (2013.01); H01S 3/23 (2013.01);
Abstract
A laser apparatus of the present invention has a first laser oscillator that emits a first laser beam; a passive fiber that is a double-clad fiber that transmits the first laser beam through a core; and a second laser oscillator that emits a second laser beam that is coupled into inner cladding of the passive fiber. Additionally, a laser materials processing apparatus of the present invention is provided with the laser apparatus; and an irradiation optical system having a collimating lens and a condenser lens.