|4456662||Electrical contact piece|
There is described an electrical contact piece made of a silver-metal oxide material as contact coating, a carrier made of copper, or iron and an intermediate layer which furnishes a high adhesive strength of the contact coating to the contact carrier eve...
|4341556||Material for electrical contacts|
There is described a material for electrical contacts based on silver having 5 to 20 weight % tin oxide and 0.5 to 5 weight % tungsten oxide which has the welding strength reduced further without producing an increased switching temperature. The material ...
|4330330||Work material of silver with tin and tungsten oxides for electrical contact|
There are needed materials based on Ag/SnO2 to replace the known Ag/CdO materials for electrical contact on switches, which replacement materials contain an additional metal oxide component, without having to take into account an undesired temp...