GB1434510A - Electrical contact materials - Google Patents

Electrical contact materials

Info

Publication number
GB1434510A
GB1434510A GB2690574A GB2690574A GB1434510A GB 1434510 A GB1434510 A GB 1434510A GB 2690574 A GB2690574 A GB 2690574A GB 2690574 A GB2690574 A GB 2690574A GB 1434510 A GB1434510 A GB 1434510A
Authority
GB
United Kingdom
Prior art keywords
electrical contact
silver
contact materials
per cent
chugai
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.)
Expired
Application number
GB2690574A
Other languages
English (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.)
Chugai Electric Industrial Co Ltd
Original Assignee
Chugai Electric Industrial Co 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 JP49016227A external-priority patent/JPS50123519A/ja
Priority claimed from JP1622674A external-priority patent/JPS555583B2/ja
Application filed by Chugai Electric Industrial Co Ltd filed Critical Chugai Electric Industrial Co Ltd
Publication of GB1434510A publication Critical patent/GB1434510A/en
Expired 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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C5/00—Alloys based on noble metals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Composite Materials (AREA)
  • Contacts (AREA)
GB2690574A 1974-02-12 1974-06-18 Electrical contact materials Expired GB1434510A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP49016227A JPS50123519A (enExample) 1974-02-12 1974-02-12
JP1622674A JPS555583B2 (enExample) 1974-02-12 1974-02-12

Publications (1)

Publication Number Publication Date
GB1434510A true GB1434510A (en) 1976-05-05

Family

ID=26352509

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2690574A Expired GB1434510A (en) 1974-02-12 1974-06-18 Electrical contact materials

Country Status (4)

Country Link
US (1) US3933486A (enExample)
DE (1) DE2428146C3 (enExample)
FR (1) FR2260629B1 (enExample)
GB (1) GB1434510A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4150982A (en) * 1978-03-13 1979-04-24 Chugai Denki Kogyo Kabushiki-Kaisha AG-Metal oxides electrical contact materials containing internally oxidized indium oxides and/or tin oxides
US4412971A (en) * 1982-02-11 1983-11-01 Chugai Denki Kogyo K.K. Electrical contact materials of internally oxidized Ag-Sn-Bi alloy

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4141727A (en) * 1976-12-03 1979-02-27 Matsushita Electric Industrial Co., Ltd. Electrical contact material and method of making the same
US4161403A (en) * 1978-03-22 1979-07-17 Chugai Denki Kogyo Kabushiki-Kaisha Composite electrical contact material of Ag-alloy matrix and internally oxidized dispersed phase
DE2824117A1 (de) * 1978-06-01 1979-12-06 Siemens Ag Verfahren zum herstellen eines anisotropen sinterverbundwerkstoffes mit richtgefuege
JPS6013051B2 (ja) * 1978-08-11 1985-04-04 中外電気工業株式会社 銀↓−錫↓−ビスマス系合金を内部酸化した電気接点材料の改良
US4246321A (en) * 1978-12-20 1981-01-20 Chugai Denki Kogya Kabushiki-Kaisha Ag-SnO Alloy composite electrical contact
DE2933338C3 (de) * 1979-08-17 1983-04-28 Degussa Ag, 6000 Frankfurt Werkstoff für elektrische Kontakte und Verfahren zu seiner Herstellung
DE3017424C2 (de) * 1980-05-07 1987-01-15 Degussa Ag, 6000 Frankfurt Werkstoff für elektrische Kontakte
DE3102067A1 (de) * 1981-01-23 1982-08-19 Degussa Ag, 6000 Frankfurt Werkstoff fuer elektrische kontakte
DE3204794A1 (de) * 1981-02-12 1982-09-16 Chugai Denki Kogyo K.K., Tokyo Innen oxidierte silber-zinn-wismut-verbindung fuer elektrische kontaktmaterialien
US4502899A (en) * 1981-06-30 1985-03-05 Matsushita Electric Works, Ltd. Electric joint material
DE3146972A1 (de) * 1981-11-26 1983-06-01 Siemens AG, 1000 Berlin und 8000 München Verfahren zum herstellen von formteilen aus cadmiumfreien silber-metalloxid-verbundwerkstoffen fuer elektrische kontaktstuecke
DE3205857A1 (de) * 1982-02-18 1983-08-25 Chugai Denki Kogyo K.K., Tokyo Material fuer elektrische kontakte aus innen oxidierter ag-sn-bi-legierung
FR2522191B1 (fr) * 1982-02-19 1991-05-31 Chugai Electric Ind Co Ltd Materiau a base d'alliage d'argent, d'etain et de bismuth pour contacts electriques, et contacts electriques confectionnes en un tel alliage
DE3219142A1 (de) * 1982-05-21 1983-11-24 Chugai Electric Ind Co Ltd Innenoxidierte silber-zinn-legierung als kontaktmaterial und verfahren zur herstellung
US4457787A (en) * 1982-09-21 1984-07-03 Chugai Denki Kogyo Kabushiki-Kaisha Internal oxidation method of Ag alloys
YU46258B (sh) * 1987-06-06 1993-05-28 Degussa Ag. Primena srebrno gvozdenog materijala za električne kontakte
US4904317A (en) * 1988-05-16 1990-02-27 Technitrol, Inc. Erosion resistant Ag-SnO2 electrical contact material
US5078810A (en) * 1990-02-08 1992-01-07 Seiichi Tanaka Method of making Ag-SnO contact materials by high pressure internal oxidation
JPH03223433A (ja) * 1990-01-29 1991-10-02 Chugai Electric Ind Co Ltd Ａｇ―ＳｎＯ―ＣｄＯ電気接点材料とその製法
US5607522A (en) * 1991-12-19 1997-03-04 Texas Instruments Incorporated Method of making electrical contact material
JP4947850B2 (ja) * 2001-06-01 2012-06-06 株式会社徳力本店 Ａｇ−酸化物系電気接点材料の製造方法
US8354903B1 (en) * 2011-08-19 2013-01-15 General Electric Company Meter disconnect relay
CN104493174B (zh) * 2014-12-30 2016-04-13 桂林电器科学研究院有限公司 一种制备银氧化锡氧化物电触头材料的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2200855A (en) * 1939-05-02 1940-05-14 Ruben Samuel Electrical contact
US2496555A (en) * 1945-06-02 1950-02-07 Allen Bradley Co Contact for electrical switches
US2486341A (en) * 1945-06-30 1949-10-25 Baker & Co Inc Electrical contact element containing tin oxide
US2861155A (en) * 1956-04-20 1958-11-18 Gibson Electric Company Internally oxidized electrical contact
DE1153178B (de) * 1959-08-01 1963-08-22 Duerrwaechter E Dr Doduco Verwendung eines verformbaren Silber-Metalloxyd-Werkstoffes fuer elektrische Kontakte
US3323911A (en) * 1963-02-15 1967-06-06 Inoue Kiyoshi Wear- and heat-resistant materials
DE2011002C3 (de) * 1970-03-09 1978-10-05 Fa. Dr. Eugen Duerrwaechter Doduco, 7530 Pforzheim Schmelzmetallurgisch hergestellter innenoxidierter Kontaktwerkstoff auf Silber-Kadmiumoxid-Basis

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4150982A (en) * 1978-03-13 1979-04-24 Chugai Denki Kogyo Kabushiki-Kaisha AG-Metal oxides electrical contact materials containing internally oxidized indium oxides and/or tin oxides
US4412971A (en) * 1982-02-11 1983-11-01 Chugai Denki Kogyo K.K. Electrical contact materials of internally oxidized Ag-Sn-Bi alloy

Also Published As

Publication number Publication date
FR2260629B1 (enExample) 1977-10-07
DE2428146B2 (de) 1979-08-09
US3933486A (en) 1976-01-20
DE2428146A1 (de) 1975-08-14
FR2260629A1 (enExample) 1975-09-05
DE2428146C3 (de) 1980-04-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19940617