US3500537A - Method of making palladium coated electrical contacts - Google Patents

Method of making palladium coated electrical contacts Download PDF

Info

Publication number
US3500537A
US3500537A US530777A US3500537DA US3500537A US 3500537 A US3500537 A US 3500537A US 530777 A US530777 A US 530777A US 3500537D A US3500537D A US 3500537DA US 3500537 A US3500537 A US 3500537A
Authority
US
United States
Prior art keywords
palladium
bath
electrical contacts
ductility
coatings
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 - Lifetime
Application number
US530777A
Other languages
English (en)
Inventor
Hamish Carmichael Angus
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.)
Huntington Alloys Corp
Original Assignee
International Nickel Co Inc
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
Application filed by International Nickel Co Inc filed Critical International Nickel Co Inc
Application granted granted Critical
Publication of US3500537A publication Critical patent/US3500537A/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/50—Electroplating: Baths therefor from solutions of platinum group metals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H11/04—Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts
    • H01H11/041—Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts by bonding of a contact marking face to a contact body portion
    • H01H2011/046—Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts by bonding of a contact marking face to a contact body portion by plating
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49204—Contact or terminal manufacturing
    • Y10T29/49224—Contact or terminal manufacturing with coating
US530777A 1965-03-09 1966-03-01 Method of making palladium coated electrical contacts Expired - Lifetime US3500537A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9957/65A GB1062681A (en) 1965-03-09 1965-03-09 Electrodeposition of palladium
GB4445065 1965-10-20

Publications (1)

Publication Number Publication Date
US3500537A true US3500537A (en) 1970-03-17

Family

ID=26243282

Family Applications (2)

Application Number Title Priority Date Filing Date
US530777A Expired - Lifetime US3500537A (en) 1965-03-09 1966-03-01 Method of making palladium coated electrical contacts
US586937A Expired - Lifetime US3544435A (en) 1965-03-09 1966-10-17 Electrodeposition of palladium

Family Applications After (1)

Application Number Title Priority Date Filing Date
US586937A Expired - Lifetime US3544435A (en) 1965-03-09 1966-10-17 Electrodeposition of palladium

Country Status (9)

Country Link
US (2) US3500537A (ja)
JP (1) JPS444891B1 (ja)
BE (1) BE677564A (ja)
CH (1) CH441921A (ja)
DE (1) DE1262722B (ja)
ES (1) ES323939A1 (ja)
FR (1) FR1473425A (ja)
GB (1) GB1062681A (ja)
NL (2) NL6603087A (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4328286A (en) * 1979-04-26 1982-05-04 The International Nickel Co., Inc. Electrodeposited palladium, method of preparation and electrical contact made thereby
US4743346A (en) * 1986-07-01 1988-05-10 E. I. Du Pont De Nemours And Company Electroplating bath and process for maintaining plated alloy composition stable
US4846941A (en) * 1986-07-01 1989-07-11 E. I. Du Pont De Nemours And Company Electroplating bath and process for maintaining plated alloy composition stable
US4849303A (en) * 1986-07-01 1989-07-18 E. I. Du Pont De Nemours And Company Alloy coatings for electrical contacts

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH572989A5 (ja) * 1973-04-27 1976-02-27 Oxy Metal Industries Corp
US3920526A (en) * 1974-03-12 1975-11-18 Ibm Process for the electrodeposition of ductile palladium and electroplating bath useful therefor
US4299670A (en) * 1980-09-22 1981-11-10 Bell Telephone Laboratories, Incorporated Palladium plating procedure and bath
US4284482A (en) * 1980-09-22 1981-08-18 Bell Telephone Laboratories, Incorporated Palladium treatment procedure
US4316779A (en) * 1980-09-26 1982-02-23 Bell Telephone Laboratories, Incorporated Process for electroplating palladium on articles comprising copper
FR2539145B1 (fr) * 1983-01-07 1986-08-29 Omi Int Corp Procede pour former a grande vitesse, par electrolyse, une couche de revetement en palladium sur un substrat et bain pour la mise en oeuvre de ce procede
DE3317493A1 (de) * 1983-05-13 1984-11-15 W.C. Heraeus Gmbh, 6450 Hanau Galvanische abscheidung von palladium-ueberzuegen
GB202020071D0 (en) * 2020-12-18 2021-02-03 Johnson Matthey Plc Electroplating solutions

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1921941A (en) * 1931-03-12 1933-08-08 Johnson Matthey Co Ltd Electrodeposition of palladium
US1981715A (en) * 1931-07-11 1934-11-20 Int Nickel Co Electrodeposition of metals
US3150065A (en) * 1961-02-27 1964-09-22 Ibm Method for plating palladium

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1921941A (en) * 1931-03-12 1933-08-08 Johnson Matthey Co Ltd Electrodeposition of palladium
US1981715A (en) * 1931-07-11 1934-11-20 Int Nickel Co Electrodeposition of metals
US3150065A (en) * 1961-02-27 1964-09-22 Ibm Method for plating palladium

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4328286A (en) * 1979-04-26 1982-05-04 The International Nickel Co., Inc. Electrodeposited palladium, method of preparation and electrical contact made thereby
US4743346A (en) * 1986-07-01 1988-05-10 E. I. Du Pont De Nemours And Company Electroplating bath and process for maintaining plated alloy composition stable
US4846941A (en) * 1986-07-01 1989-07-11 E. I. Du Pont De Nemours And Company Electroplating bath and process for maintaining plated alloy composition stable
US4849303A (en) * 1986-07-01 1989-07-18 E. I. Du Pont De Nemours And Company Alloy coatings for electrical contacts

Also Published As

Publication number Publication date
FR1473425A (fr) 1967-03-17
BE677564A (ja) 1966-09-09
DE1262722B (de) 1968-03-07
NL130012C (ja)
US3544435A (en) 1970-12-01
ES323939A1 (es) 1966-11-16
JPS444891B1 (ja) 1969-02-28
GB1062681A (en) 1967-03-22
NL6603087A (ja) 1966-09-12
CH441921A (fr) 1967-08-15

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