US 12,168,834 B2
Surface-treated copper foil and copper clad laminate
Jian-Ming Huang, Taipei (TW); Yao-Sheng Lai, Taipei (TW); and Jui-Chang Chou, Taipei (TW)
Assigned to CHANG CHUN PETROCHEMICAL CO., LTD., Taipei (TW)
Filed by CHANG CHUN PETROCHEMICAL CO., LTD., Taipei (TW)
Filed on Dec. 23, 2021, as Appl. No. 17/560,283.
Claims priority of application No. 110141342 (TW), filed on Nov. 5, 2021.
Prior Publication US 2023/0144190 A1, May 11, 2023
Int. Cl. C25D 1/00 (2006.01); C25D 1/04 (2006.01); H05K 1/02 (2006.01); H05K 3/02 (2006.01)
CPC C25D 1/04 (2013.01) [H05K 1/0298 (2013.01); H05K 3/022 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A surface-treated copper foil, comprising:
a bulk copper foil, comprising a first surface; and
a first surface treatment layer, disposed on the first surface and comprising a roughening layer, wherein an outermost surface of the first surface treatment layer is a treating surface of the surface-treated copper foil, the material volume (Vm) of the treating surface is in a range of 0.06 to 1.45 μm3/μm2, and the five-point peak height (S5p) of the treating surface is in a range of 0.15 to 2.00 μm.