FR548989A - Improved raw materials for electrical resistances and process for their manufacture - Google Patents

Improved raw materials for electrical resistances and process for their manufacture

Info

Publication number
FR548989A
FR548989A FR548989DA FR548989A FR 548989 A FR548989 A FR 548989A FR 548989D A FR548989D A FR 548989DA FR 548989 A FR548989 A FR 548989A
Authority
FR
France
Prior art keywords
manufacture
raw materials
electrical resistances
improved raw
improved
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
Other languages
French (fr)
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.)
Automatic Telephone Manufacturing Co Ltd
Original Assignee
Automatic Telephone Manufacturing 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
Application filed by Automatic Telephone Manufacturing Co Ltd filed Critical Automatic Telephone Manufacturing Co Ltd
Application granted granted Critical
Publication of FR548989A publication Critical patent/FR548989A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/06—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances
    • H01B1/08—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances oxides
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/04—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having negative temperature coefficient

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Manufacturing & Machinery (AREA)
  • Silicon Compounds (AREA)
FR548989D 1920-11-09 1921-07-27 Improved raw materials for electrical resistances and process for their manufacture Expired FR548989A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3164120A GB175365A (en) 1920-11-09 1920-11-09 An electric resistance material and a process for manufacturing same

Publications (1)

Publication Number Publication Date
FR548989A true FR548989A (en) 1923-01-30

Family

ID=10326198

Family Applications (1)

Application Number Title Priority Date Filing Date
FR548989D Expired FR548989A (en) 1920-11-09 1921-07-27 Improved raw materials for electrical resistances and process for their manufacture

Country Status (2)

Country Link
FR (1) FR548989A (en)
GB (1) GB175365A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE746742C (en) * 1934-06-05 1944-06-21 Siemens Ag Hot conductor (electrical resistance with negative temperature coefficient) for small control power

Also Published As

Publication number Publication date
GB175365A (en) 1922-02-09

Similar Documents

Publication Publication Date Title
FR548989A (en) Improved raw materials for electrical resistances and process for their manufacture
FR527237A (en) Refractory composition and its manufacturing process
FR557649A (en) Lighter wheel and its manufacturing process
FR532502A (en) Production process for aromatic nitramines
FR537207A (en) New artificial resins and process for their manufacture
FR544176A (en) Glass covering tiles and process for their manufacture
FR525598A (en) New coloring materials and process for their manufacture
FR571305A (en) Manufacturing process of electric resistances
FR537911A (en) Construction materials and their manufacturing process
FR520997A (en) Suspenders and their manufacturing process
FR518835A (en) Mirrors and their manufacturing process
FR559939A (en) Process for manufacturing keys for magnetos and new products resulting therefrom
FR26561E (en) New coloring materials and process for their manufacture
FR495408A (en) Paints and their manufacturing process
FR539802A (en) Insole and process for its manufacture
FR518314A (en) Clichés and their manufacturing process
FR510996A (en) Heat-insulating blocks and their manufacturing process
FR513479A (en) Process for making nuts unbreakable
FR509271A (en) Catalysts and their manufacturing process
FR528464A (en) Coke manufacturing process
FR522013A (en) Insulator manufacturing process
FR563754A (en) Manufacturing process of charcoal briquettes
FR503309A (en) electrodes for electric ovens and their manufacturing process
FR526452A (en) Improved process and mold for making bricks
FR536699A (en) Manufacturing process of ceramic materials