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.

Date of Patent:
May. 31, 2016

Filed:

Dec. 13, 2004
Applicants:

Kazuhiro Atsumi, Hamamatsu, JP;

Koji Kuno, Hamamatsu, JP;

Masayoshi Kusunoki, Hamamatsu, JP;

Tatsuya Suzuki, Hamamatsu, JP;

Inventors:

Kazuhiro Atsumi, Hamamatsu, JP;

Koji Kuno, Hamamatsu, JP;

Masayoshi Kusunoki, Hamamatsu, JP;

Tatsuya Suzuki, Hamamatsu, JP;

Assignee:

HAMAMATSU PHOTONICS K.K., Hamamatsu-shi, Shizuoka, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K 26/00 (2014.01); B23K 26/03 (2006.01); B23K 26/04 (2014.01); B23K 26/40 (2014.01);
U.S. Cl.
CPC ...
B23K 26/0057 (2013.01); B23K 26/03 (2013.01); B23K 26/032 (2013.01); B23K 26/046 (2013.01); B23K 26/048 (2013.01); B23K 26/40 (2013.01); B23K 2201/40 (2013.01); B23K 2203/50 (2015.10);
Abstract

A laser processing method having a displacement acquiring step of acquiring a displacement between a point on the cutting line and one end of the cutting line in the object while irradiating the object with a second laser beam, converged by a lens, for measuring the displacement of a main surface of the object; and a position setting step of setting an initial position for holding the lens with respect to the main surface of the object according to the acquired displacement, and holding the lens at thus set initial position.


Find Patent Forward Citations

Loading…