FR2236261A1 - Electrical contacts of silver- indium- and tin- oxides - made by internal oxidn. of silver-indium-tin alloys, and with excellent properties - Google Patents

Electrical contacts of silver- indium- and tin- oxides - made by internal oxidn. of silver-indium-tin alloys, and with excellent properties

Info

Publication number
FR2236261A1
FR2236261A1 FR7423352A FR7423352A FR2236261A1 FR 2236261 A1 FR2236261 A1 FR 2236261A1 FR 7423352 A FR7423352 A FR 7423352A FR 7423352 A FR7423352 A FR 7423352A FR 2236261 A1 FR2236261 A1 FR 2236261A1
Authority
FR
France
Prior art keywords
indium
silver
tin
oxides
electrical contacts
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR7423352A
Other languages
French (fr)
Other versions
FR2236261B1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP7625473A external-priority patent/JPS5526697B2/ja
Priority claimed from JP8859473A external-priority patent/JPS55456B2/ja
Priority claimed from JP13719173A external-priority patent/JPS5324010B2/ja
Application filed by Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Publication of FR2236261A1 publication Critical patent/FR2236261A1/en
Application granted granted Critical
Publication of FR2236261B1 publication Critical patent/FR2236261B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/02—Contacts characterised by the material thereof
    • H01H1/021—Composite material
    • H01H1/023—Composite material having a noble metal as the basic material
    • H01H1/0237—Composite material having a noble metal as the basic material and containing oxides
    • H01H1/02372—Composite material having a noble metal as the basic material and containing oxides containing as major components one or more oxides of the following elements only: Cd, Sn, Zn, In, Bi, Sb or Te

Abstract

The starting matl contains (all wt. %) 6-15 In, 0.2-8 Sn, balance Ag; the alloy ay also contain 0.01-1 Mg and/or Cu. Alternatively, the alloy may consists of 6-15 In, 0.01-1 Mg, balance Ag, or 6-15 In, 0.01-1 Mg and 0.01-1 Ni. Although the existing silver oxide-cadmium oxide matls. have excellent props as electrical contacts, cadmium constitutes a danger to the health of workers and thus an alternative matl is required. The Ag-In-Sn oxides and Ag-In-Mg oxides possess excellent resistance to burning-off, welding and arc-erosion and are at least as good as Ag-Cd oxide contacts.
FR7423352A 1973-07-05 1974-07-04 Electrical contacts of silver- indium- and tin- oxides - made by internal oxidn. of silver-indium-tin alloys, and with excellent properties Granted FR2236261A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP7625473A JPS5526697B2 (en) 1973-07-05 1973-07-05
JP8859473A JPS55456B2 (en) 1973-08-07 1973-08-07
JP13719173A JPS5324010B2 (en) 1973-12-06 1973-12-06

Publications (2)

Publication Number Publication Date
FR2236261A1 true FR2236261A1 (en) 1975-01-31
FR2236261B1 FR2236261B1 (en) 1980-08-08

Family

ID=27302102

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7423352A Granted FR2236261A1 (en) 1973-07-05 1974-07-04 Electrical contacts of silver- indium- and tin- oxides - made by internal oxidn. of silver-indium-tin alloys, and with excellent properties

Country Status (2)

Country Link
DE (1) DE2432335B2 (en)
FR (1) FR2236261A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2394880A1 (en) * 1977-06-16 1979-01-12 Chugai Electric Ind Co Ltd COMPOSITE ELECTRICAL CONTACT WITH SILVER-TIN OXIDE ALLOY COATING
FR2395582A1 (en) * 1977-06-20 1979-01-19 Chugai Electric Ind Co Ltd MATERIALS FOR ELECTRICAL CONTACTS IN SILVER ALLOY AND INTEGRATED TIN OXIDE
FR2533231A1 (en) * 1982-09-21 1984-03-23 Chugai Electric Ind Co Ltd PROCESS FOR THE INTERNAL OXIDATION OF SILVER ALLOYS AND PRODUCTS OBTAINED

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3933485A (en) * 1973-07-20 1976-01-20 Chugai Denki Kogyo Kabushiki-Kaisha Electrical contact material
DE2463019C2 (en) * 1973-07-20 1983-08-11 Chugai Denki Kogyo K.K., Tokyo Silver metal oxide material for electrical contacts produced by internal oxidation
DE2933338C3 (en) * 1979-08-17 1983-04-28 Degussa Ag, 6000 Frankfurt Material for electrical contacts and process for their manufacture
DE3017424A1 (en) * 1980-05-07 1981-11-12 Degussa Ag, 6000 Frankfurt MATERIAL FOR ELECTRICAL CONTACTS

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2486341A (en) * 1945-06-30 1949-10-25 Baker & Co Inc Electrical contact element containing tin oxide
US2572662A (en) * 1945-07-12 1951-10-23 Cutler Hammer Inc Electrical contact
DE1033815B (en) * 1957-02-12 1958-07-10 Siemens Ag Easily solderable contact body made of composite material with embedded metal oxides
DE1173764B (en) * 1957-05-23 1964-07-09 Siemens Ag Process for the production of abrasion-resistant surface layers of great hardness and conductivity, in particular for electrical sliding and friction contacts
DE1153178B (en) * 1959-08-01 1963-08-22 Duerrwaechter E Dr Doduco Use of a deformable silver-metal oxide material for electrical contacts
DE1564713A1 (en) * 1966-09-20 1970-10-22 Siemens Ag Multi-layer sintered contact body
US3694197A (en) * 1970-11-12 1972-09-26 Mallory & Co Inc P R Electrical contact materials of silver-cadmium oxide containing additives

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2394880A1 (en) * 1977-06-16 1979-01-12 Chugai Electric Ind Co Ltd COMPOSITE ELECTRICAL CONTACT WITH SILVER-TIN OXIDE ALLOY COATING
FR2395582A1 (en) * 1977-06-20 1979-01-19 Chugai Electric Ind Co Ltd MATERIALS FOR ELECTRICAL CONTACTS IN SILVER ALLOY AND INTEGRATED TIN OXIDE
FR2533231A1 (en) * 1982-09-21 1984-03-23 Chugai Electric Ind Co Ltd PROCESS FOR THE INTERNAL OXIDATION OF SILVER ALLOYS AND PRODUCTS OBTAINED

Also Published As

Publication number Publication date
DE2432335C3 (en) 1988-09-08
FR2236261B1 (en) 1980-08-08
DE2432335B2 (en) 1978-08-17
DE2432335A1 (en) 1975-01-30

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