EP 0050704 B1 19841219 - PROCESS FOR THE MANUFACTURE OF A SLIDING LAYER ON THE SURFACE OF THE ALUMINIUM LAYER OF A RECORDING SUBSTRATE
Title (en)
PROCESS FOR THE MANUFACTURE OF A SLIDING LAYER ON THE SURFACE OF THE ALUMINIUM LAYER OF A RECORDING SUBSTRATE
Publication
Application
Priority
DE 3040485 A 19801028
Abstract (en)
[origin: US4381322A] To reduce scratches on the aluminum-covered front surface of a record carrier substrate having a back surface covered with a nitrocellulose lacquer, 0.1 to 2 percent by weight of a fatty acid, as referred to the weight of the wet lacquer, is added to the last applied layer of lacquer. When the record carrier is wound into a roll, the aluminum layer contacts and reacts with the fatty acid forming a sliding layer.
IPC 1-7
IPC 8 full level
B41M 5/26 (2006.01); B32B 15/01 (2006.01); B41M 5/24 (2006.01); G03C 1/725 (2006.01)
CPC (source: EP US)
B41M 5/245 (2013.01 - EP US)
Designated contracting state (EPC)
DE FR GB IT
DOCDB simple family (publication)
EP 0050704 A1 19820505; EP 0050704 B1 19841219; DE 3040485 A1 19820701; DE 3167808 D1 19850131; JP S5783497 A 19820525; US 4381322 A 19830426
DOCDB simple family (application)
EP 81104337 A 19810605; DE 3040485 A 19801028; DE 3167808 T 19810605; JP 11944681 A 19810731; US 30422481 A 19810921