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:
May. 24, 2016
Filed:
May. 31, 2013
Mitsubishi Electric Corporation, Chiyoda-ku, JP;
Naoyuki Nakamura, Chiyoda-ku, JP;
Tatsuya Yamamoto, Chiyoda-ku, JP;
Junichi Nishimae, Chiyoda-ku, JP;
Shuichi Fujikawa, Chiyoda-ku, JP;
Masaki Seguchi, Chiyoda-ku, JP;
Akinori Nishio, Chiyoda-ku, JP;
Hiroyuki Murai, Nagoya, JP;
Kenji Saruta, Nagoya, JP;
Mitsubishi Electric Corporation, Chiyoda-ku, JP;
Abstract
A laser processing device including: a laser oscillator; a processing table; a transmission optical system for transmitting laser light emitted from the laser oscillator to the processing table; a processing head for condensing and radiating the laser light transmitted via the transmission optical system to an object to be processed; a moving mechanism for changing a relative position between the object to be processed and the laser light to be radiated to the object to be processed; and a variable curvature spherical mirror. The transmission optical system includes a reflective beam expander mechanism for collimating and magnifying the laser light from the laser oscillator. The reflective beam expander mechanism includes a spherical mirror and a concave mirror having different curvatures in two orthogonal axes.