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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.:

US 4937424 B1

PDFFull Text
Date of Patent:
Jun. 26, 1990

Filed:

Jul. 20, 1988

Laser machining apparatus

Applicant:
Inventors:

Koji Yasui, Hyogo, JP;

Masaaki Tanaka, Hyogo, JP;

Shigenori Yagi, Hyogo, JP;

Masaki Kuzumoto, Hyogo, JP;

Assignee:

Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;

Attorney:

Sughrue, Mion, Zinn, Macpeak & Seas

Primary Examiner:

C L Albritton

Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
2191216 ; 21912167 ; 21912175 ; 21912185 ; 372 95 ;
Abstract

A laser machining apparatus includes a laser resonator capable of producing a laser beam having a filled-in intensity distribution pattern and a condensing device for converting the beam into a suitable beam to perform an intended machining. A device is provided for regulating phase of the laser beam to improve the condensed laser beam. The apparatus may also include a device for pulsating the beam and a device for changing a focal depth of the beam.

Find Patent Forward Citations

Yasui, Koji. (1990). Laser machining apparatus (U.S. Patent No. 4937424). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4937424

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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