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:
Jun. 30, 2020
Filed:
Aug. 24, 2019
Applicant:
Chang Chun Petrochemical Co., Ltd., Taipei, TW;
Inventors:
Assignee:
CHANG CHUN PETROCHEMICAL CO., LTD., Taipei, TW;
Primary Examiner:
Int. Cl.
CPC ...
B21C 37/00 (2006.01); C25D 1/04 (2006.01); C22F 1/08 (2006.01); C25D 3/38 (2006.01); C25D 7/06 (2006.01); H01M 4/13 (2010.01); H05K 1/09 (2006.01); H05K 3/02 (2006.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
C25D 1/04 (2013.01); C22F 1/08 (2013.01); C25D 3/38 (2013.01); C25D 7/0614 (2013.01); H01M 4/13 (2013.01); H01M 10/0525 (2013.01); H05K 1/09 (2013.01); H05K 3/022 (2013.01); H05K 2203/0134 (2013.01); Y10T 428/12431 (2015.01);
Abstract
Provided is an electrolytic copper foil. The electrolytic copper foil has a drum side and a deposited side, wherein ΔRz is less than 0.8 μm; the electrolytic copper foil has a transverse direction, wherein the electrolytic copper foil is divided into 10 test pieces with the same width and the same length, and each two adjacent ones of the 10 test pieces have a weight deviation therebetween, and a count of the weight deviation(s) greater than or equal to 1.5% is smaller than a count of the weight deviations smaller than 1.5%; wherein n represents any one of the test piece numbers from 1 to 9, and the