EP 0603485 B1 19960515 - Electrolytic etching process
Title (en)
Electrolytic etching process
Title (de)
Verfahren zum elektrolytischen Ätzen
Title (fr)
Procédé de décapage électrolytique
Publication
Application
Priority
DE 4239538 A 19921125
Abstract (en)
[origin: EP0603485A1] Precision etching small areas of a substrate in which the cathodically connected substrate is contacted with an electrolytic soln. and the areas to be etched are contacted by a micro carbon fibre electrode connected as the anode.
IPC 1-7
IPC 8 full level
C25F 3/02 (2006.01); C25F 3/04 (2006.01); C25F 3/14 (2006.01)
CPC (source: EP)
C25F 3/02 (2013.01)
Designated contracting state (EPC)
AT BE CH DE FR GB LI NL
DOCDB simple family (publication)
EP 0603485 A1 19940629; EP 0603485 B1 19960515; AT E138119 T1 19960615; DE 4239538 C1 19931111; DE 59302602 D1 19960620
DOCDB simple family (application)
EP 93116838 A 19931019; AT 93116838 T 19931019; DE 4239538 A 19921125; DE 59302602 T 19931019