EP 0058336 A3 19830511 - ZINC OXIDE VARISTOR WITH REDUCED FRINGE CURRENT EFFECTS
Title (en)
ZINC OXIDE VARISTOR WITH REDUCED FRINGE CURRENT EFFECTS
Publication
Application
Priority
US 23436981 A 19810213
Abstract (en)
[origin: EP0058336A2] A zinc oxide varistor disc is provided with a reduced cross section in the vicinity of the rim to deter the transport of fringing current in the vicinity of the edges of the electrodes which are of a lesser diameter than the varistor disc. One emobodiment comprises a varistor disc having a plurality of grooves formed circumferentially around the disc perimeter.
IPC 1-7
IPC 8 full level
H01C 7/10 (2006.01); H01C 7/102 (2006.01); H01C 7/112 (2006.01)
CPC (source: EP)
H01C 7/102 (2013.01); H01C 7/112 (2013.01)
Citation (search report)
- [A] DE 2738367 A1 19790301 - SIEMENS AG
- [A] GB 1204702 A 19700909 - ENERGY CONVERSION DEVICES INC [US]
- [A] DE 1414326 A1 19681212 - SIEMENS AG
- [A] CH 257857 A 19481031 - SPRECHER & SCHUH AG [CH]
Designated contracting state (EPC)
CH DE FR GB LI SE
DOCDB simple family (publication)
EP 0058336 A2 19820825; EP 0058336 A3 19830511; EP 0058336 B1 19870819; DE 3277042 D1 19870924; DE 58336 T1 19830105; JP S57152106 A 19820920; MX 157914 A 19881220
DOCDB simple family (application)
EP 82100710 A 19820202; DE 3277042 T 19820202; DE 82100710 T 19820202; JP 1985382 A 19820212; MX 19137682 A 19820212