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Title:
LASER BEAM GENERATION DEVICE AND LASER MACHINING DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/044280
Kind Code:
A1
Abstract:
This laser beam generation device (200) comprises: a laser diode (20); a power supply (10) which supplies current; a reactor circuit (30) which is connected to the power supply (10) and has a variable inductance value; a current path switching circuit (105) configured to switch whether to supply the current output from the reactor circuit (30) to the laser diode; and a control device (13) which controls the current path switching circuit (105) and sets the inductance value of the reactor circuit (30).

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Inventors:
WAKAIKI SHUJI (JP)
IKARASHI HIROSHI (JP)
TSUDA SHINGO (JP)
TSUNODA YOSHIKAZU (JP)
MACHII HIDEYASU (JP)
IGARASHI YUICHI (JP)
Application Number:
PCT/JP2020/032693
Publication Date:
March 03, 2022
Filing Date:
August 28, 2020
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H01S5/068
Domestic Patent References:
WO2016167019A12016-10-20
WO2018150459A12018-08-23
WO2018193506A12018-10-25
Foreign References:
JP2003078201A2003-03-14
JP2015156777A2015-08-27
JPH09121534A1997-05-06
JP2019068584A2019-04-25
JPH09246051A1997-09-19
JP2009123833A2009-06-04
US20190386460A12019-12-19
US20160372888A12016-12-22
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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