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JPS642225A - Manufacture of electric contact point - Google Patents

Manufacture of electric contact point

Info

Publication number
JPS642225A
JPS642225A JP15825287A JP15825287A JPS642225A JP S642225 A JPS642225 A JP S642225A JP 15825287 A JP15825287 A JP 15825287A JP 15825287 A JP15825287 A JP 15825287A JP S642225 A JPS642225 A JP S642225A
Authority
JP
Japan
Prior art keywords
active metal
contact point
soldering
carbon
manufacture
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.)
Pending
Application number
JP15825287A
Other languages
Japanese (ja)
Other versions
JPH012225A (en
Inventor
Riyuuji Ootani
Masao Kubo
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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
Application filed by Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP62-158252A priority Critical patent/JPH012225A/en
Priority claimed from JP62-158252A external-priority patent/JPH012225A/en
Publication of JPS642225A publication Critical patent/JPS642225A/en
Publication of JPH012225A publication Critical patent/JPH012225A/en
Pending legal-status Critical Current

Links

Landscapes

  • Manufacture Of Switches (AREA)
  • Contacts (AREA)

Abstract

PURPOSE: To obtain excellent fusion resistance and reduce electric resistance between a contact point material and a metallic base by using an active metal that reacts easily with carbon together with solder material.
CONSTITUTION: Contact point materials 2, 6 are fixed by soldering in which an active metal which reacts easily with carbon is used together with the soldering material. If such an active metal exits, the soldering material is no repelled as the active metal and carbon are united together. As the active metal, there are for example Ti(titanium), Zr(zirconium) and Nb(niobium). Regarding the methods of using the active metal together, there are methods of using a composite material in which a thin plate of the soldering material and a thin plate of the active metal are laminated or using an alloy of the soldering material and the active metal. This makes the fixation firm, reduces electric resistance between the contact point material and the metallic base and eliminates the possibility of the contact point coming off.
COPYRIGHT: (C)1989,JPO&Japio
JP62-158252A 1987-06-25 Manufacturing method of electrical contacts Pending JPH012225A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62-158252A JPH012225A (en) 1987-06-25 Manufacturing method of electrical contacts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62-158252A JPH012225A (en) 1987-06-25 Manufacturing method of electrical contacts

Publications (2)

Publication Number Publication Date
JPS642225A true JPS642225A (en) 1989-01-06
JPH012225A JPH012225A (en) 1989-01-06

Family

ID=

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03226202A (en) * 1990-01-31 1991-10-07 Fuji Electric Co Ltd Collector head for pantograph
US5848124A (en) * 1995-01-19 1998-12-08 Hamamatsu Photonics K.K. Method of bonding amorphous carbon material with metal material or ceramic material, and electron tube device
US6563065B1 (en) * 1998-04-28 2003-05-13 Trw Automotive Safety Systems Gmbh & Co. Kg Method of adjusting an electrical switch arrangement

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03226202A (en) * 1990-01-31 1991-10-07 Fuji Electric Co Ltd Collector head for pantograph
US5848124A (en) * 1995-01-19 1998-12-08 Hamamatsu Photonics K.K. Method of bonding amorphous carbon material with metal material or ceramic material, and electron tube device
US5860584A (en) * 1995-01-19 1999-01-19 Hamamtsu Photonics K.K. Method of bonding amorphous carbon material with metal material or ceramic material and electron tube device
US6563065B1 (en) * 1998-04-28 2003-05-13 Trw Automotive Safety Systems Gmbh & Co. Kg Method of adjusting an electrical switch arrangement

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