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Title:
LASER ETCHING DEVICE, LASER ETCHING SYSTEM, ELECTRODE ETCHED USING LASER, AND METHOD FOR MANUFACTURING SAME ELECTRODE
Document Type and Number:
WIPO Patent Application WO/2023/243868
Kind Code:
A1
Abstract:
A laser etching device for etching an active material part on an electrode sheet including the active material part and a non-coated part according to an embodiment of the present invention may include: a laser unit for emitting a laser onto the active material part; a blowing unit for blowing a foreign material generated by etching the active material part, toward the non-coated part; and a suction unit which is disposed at the side opposite to the blowing unit while having the laser unit interposed therebetween and suctions the foreign material, wherein the laser unit, the blowing unit, and the suction unit are arranged in a direction crossing a movement direction of the electrode sheet.

Inventors:
LEE SEO JUN (KR)
MOON HONG SEOK (KR)
KIM TAE SU (KR)
KIM GIL WOO (KR)
PARK JONG IN (KR)
LEE HYUK SOO (KR)
PARK JUNG HYUN (KR)
LEE BYUNG HEE (KR)
KIM WON SEOP (KR)
SONG WON GYU (KR)
NA KI BEOM (KR)
LEE HEON SEUNG (KR)
Application Number:
PCT/KR2023/006434
Publication Date:
December 21, 2023
Filing Date:
May 11, 2023
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
LG ENERGY SOLUTION LTD (KR)
International Classes:
B23K26/362; B08B15/00; B23K26/16; H01M4/04; H01M4/139
Foreign References:
KR20170057953A2017-05-26
KR20190035758A2019-04-03
KR20140119499A2014-10-10
CN203936519U2014-11-12
JP2013141669A2013-07-22
Attorney, Agent or Firm:
BAE, KIM & LEE IP (KR)
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