Global Patent Index - EP 1789977 A1

EP 1789977 A1 20070530 - VARISTOR COMPRISING AN INSULATING LAYER PRODUCED FROM A LOADED BASE GLASS

Title (en)

VARISTOR COMPRISING AN INSULATING LAYER PRODUCED FROM A LOADED BASE GLASS

Title (de)

VARISTOR MIT EINER ISOLIERENDEN SCHICHT AUS EINEM GRUNDGLAS MIT FÜLLSTOFF

Title (fr)

VARISTANCE POURVUE D'UNE COUCHE ISOLANTE, COMPOSEE D'UN VERRE DE BASE ET D'UNE MATIERE DE CHARGE

Publication

EP 1789977 A1 20070530 (DE)

Application

EP 05789564 A 20050915

Priority

  • DE 2005001622 W 20050915
  • DE 102004044648 A 20040915

Abstract (en)

[origin: WO2006029610A1] The invention relates to a varistor which comprises a ceramic base (1) whose surface is at least partially provided with an insulating layer (2). Said layer is composed of a base glass and a filler, said filler containing 3Al<SUB>2</SUB>O<SUB>3</SUB>2SiO<SUB>2</SUB>.

IPC 8 full level

H01C 7/18 (2006.01); H01C 7/102 (2006.01); H01C 7/112 (2006.01)

CPC (source: EP US)

H01C 7/102 (2013.01 - EP US); H01C 7/112 (2013.01 - EP US); H01C 7/18 (2013.01 - EP US)

Citation (search report)

See references of WO 2006029610A1

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

WO 2006029610 A1 20060323; DE 102004044648 A1 20060330; EP 1789977 A1 20070530; EP 1789977 B1 20140820; JP 2008513982 A 20080501; JP 4755648 B2 20110824; US 2008030296 A1 20080207; US 8130071 B2 20120306

DOCDB simple family (application)

DE 2005001622 W 20050915; DE 102004044648 A 20040915; EP 05789564 A 20050915; JP 2007531590 A 20050915; US 57478005 A 20050915