公开(公告)号：US3916132A

公开(公告)日：1975-10-28

申请号：US46671474

申请日：1974-05-03

Applicant: PHILIPS CORP

Inventor： STEINMETZ ANTHONY ,  WALSTRA HIDDE

IPC: H01H1/66 ,  H01H1/02 ,  H01H1/04 ,  H01H50/54 ,  H01H51/28

CPC classification number: H01H1/0201

Abstract: A switching device having moving contacts in a hermetically closed envelope with loose particles on the contact surfaces having a size of 0.01 - 10 Mu m of material having a specific resistance of

公开(公告)号：US3889098A

公开(公告)日：1975-06-10

申请号：US46671374

申请日：1974-05-03

Applicant: PHILIPS CORP

Inventor： STEINMETZ ANTHONY ,  WALSTRA HIDDE

IPC: H01H50/54 ,  H01H1/02 ,  H01H1/04

CPC classification number: H01H1/0201

Abstract: A switching device having contacts with a coating consisting of at least two layers in which the inner layer having a thickness of at least 0.5 Mu m consists of metal having a melting point of more than 1800*C and provided with a layer having a thickness of 0.01 - 1 Mu m consisting of a metal having a melting point of less than 500*C and preferably provided with a layer of noble metal having a melting point of more than 1800*C with a thickness of 0.1 - 5 Mu m.

Abstract translation: 具有与由至少两层组成的涂层的接触的开关装置，其中内层具有至少0.5μm的厚度由熔点高于1800℃的金属组成，并且具有厚度为 0.01-1μm，熔点小于500℃的金属组成，最好设置熔点高于1800℃的贵金属层，厚度为0.1-5μm。