EP 0719873 B1 20000621 - Process for manufacturing a shadow mask, made from an iron-nickel alloy
Title (en)
Process for manufacturing a shadow mask, made from an iron-nickel alloy
Title (de)
Verfahren zur Herstellung einer Schattenmaske aus einer Eisen-Nickel Legierung
Title (fr)
Procédé de fabrication d'un masque d'ombre en alliage fer/nickel
Publication
Application
Priority
FR 9415663 A 19941227
Abstract (en)
[origin: EP0719873A1] Process for the mfr. of an iron-nickel alloy shadow mask comprises: (a) providing a metal sheet pierced with uniformly distributed hole, the metal sheet comprising an alloy comprising (in wt.%): 35.5-37 Ni; max. 0.5 Co; max. 0.1 Cr; max. 0.1 Cu; max. 0.1 Mo; max. 0.1 V; max. 0.1 Nb; max. 0.1 Mn; 0.03-0.15 Si; max. 0.001 S; 0.0001-0.002 Ca; 0.0001-0.002 Mg; max. 0.005 Al; max. 0.01 O; max. 0.002 C; max. 0.005 N; max. 0.003 P; 0.001 H; max. 0.001 B; balance Fe plus usual impurities, the following relationships satisfied: max. S = 0.02 x Mn + 0.8 x Ca + 0.6 x Mg Cr + Cu + Mo + V + Nb + Si = max. 0.15; (b) heat treating the sheet to obtain a grain size which defined by ASTM E112-88,12.4 is greater or equal to 7 ASTM; and (c) forming the sheet to the required shape. The shadow mask is also claimed.
IPC 1-7
IPC 8 full level
C21D 6/00 (2006.01); C21D 8/02 (2006.01); C21D 9/46 (2006.01); C22C 38/00 (2006.01); C22C 38/08 (2006.01); C22C 38/54 (2006.01); H01J 9/14 (2006.01); H01J 29/07 (2006.01)
CPC (source: EP KR US)
C21D 8/0205 (2013.01 - EP US); C22C 38/08 (2013.01 - EP US); C23F 1/02 (2013.01 - EP US); H01J 9/142 (2013.01 - EP US); H01J 29/20 (2013.01 - KR); C21D 6/001 (2013.01 - EP US)
Citation (examination)
EP 0713923 A1 19960529 - IMPHY SA [FR]
Designated contracting state (EPC)
BE DE DK IT LU NL SE
DOCDB simple family (publication)
EP 0719873 A1 19960703; EP 0719873 B1 20000621; CN 1050639 C 20000322; CN 1133896 A 19961023; DE 69517577 D1 20000727; DE 69517577 T2 20010308; DK 0719873 T3 20001023; FR 2728724 A1 19960628; FR 2728724 B1 19970124; JP 2007231423 A 20070913; JP H08333638 A 19961217; KR 100379871 B1 20030619; KR 960026015 A 19960720; PL 186742 B1 20040227; PL 312029 A1 19960708; US 5643697 A 19970701
DOCDB simple family (application)
EP 95402753 A 19951207; CN 95120173 A 19951226; DE 69517577 T 19951207; DK 95402753 T 19951207; FR 9415663 A 19941227; JP 2007066208 A 20070315; JP 35352195 A 19951227; KR 19950056509 A 19951226; PL 31202995 A 19951222; US 57776895 A 19951222