US 12,408,279 B2
Release layer for metal foil with carrier and metal foil comprising the same
Sung Wook Chun, Incheon (KR); Bo Mook Chung, Incheon (KR); Dea Geun Kim, Incheon (KR); Myong Hwan Park, Incheon (KR); Nak Eun Ko, Bucheon-si (KR); and Ju Yong Sim, Seoul (KR)
Assigned to YMT CO., LTD., Incheon (KR)
Appl. No. 18/271,461
Filed by YMT CO., LTD., Incheon (KR)
PCT Filed Dec. 10, 2021, PCT No. PCT/KR2021/018719
§ 371(c)(1), (2) Date Jul. 9, 2023,
PCT Pub. No. WO2022/124843, PCT Pub. Date Jun. 16, 2022.
Claims priority of application No. 10-2020-0172171 (KR), filed on Dec. 10, 2020; and application No. 10-2021-0175960 (KR), filed on Dec. 9, 2021.
Prior Publication US 2024/0138075 A1, Apr. 25, 2024
Prior Publication US 2024/0237229 A9, Jul. 11, 2024
Int. Cl. H05K 3/38 (2006.01); C09J 7/40 (2018.01); H05K 1/02 (2006.01)
CPC H05K 3/382 (2013.01) [C09J 7/401 (2018.01); C09J 2400/16 (2013.01); C09J 2400/20 (2013.01); H05K 1/0237 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A single release layer for a metal foil with carrier designed for easy removal of the carrier, the single release layer comprises:
two or more nitrogenous heterocyclic compounds and two or more inorganic compounds containing at least one metal selected from the group consisting of nickel, molybdenum, cobalt, phosphorus, manganese, and iron,
wherein the nitrogenous heterocyclic compounds and the inorganic compounds are dispersed throughout the thickness of the single release layer.