公开(公告)号：US20240206062A1

公开(公告)日：2024-06-20

申请号：US18565613

申请日：2022-06-27

申请人： Lotte Energy Materials Corporation

发明人： Chang Yol YANG ,  Won Jin BEOM ,  Hyung Cheol KIM ,  Kideok SONG

IPC分类号： H05K1/09 ,  H05K3/06

CPC分类号： H05K1/09 ,  H05K3/062 ,  H05K2201/0338 ,  H05K2201/0344 ,  H05K2201/0355 ,  H05K2203/0323 ,  H05K2203/0353 ,  H05K2203/0384

摘要： Disclosed are an ultra-thin copper foil with a carrier foil and a method for manufacturing an embedded substrate by using the same, the ultra-thin copper foil with a carrier foil including: a carrier foil; a non-etching release layer on the carrier foil; a first ultra-thin copper foil layer on the non-etching release layer; an etch stop layer on the first ultra-thin copper foil layer; and a second ultra-thin copper foil layer on the etch stop layer.