GB900772A - Resistors and methods for the manufacture thereof - Google Patents

Resistors and methods for the manufacture thereof

Info

Publication number
GB900772A
GB900772A GB1078362A GB1078362A GB900772A GB 900772 A GB900772 A GB 900772A GB 1078362 A GB1078362 A GB 1078362A GB 1078362 A GB1078362 A GB 1078362A GB 900772 A GB900772 A GB 900772A
Authority
GB
United Kingdom
Prior art keywords
resistors
july
manufacture
methods
divided
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
GB1078362A
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.)
Siemens and Halske AG
Siemens AG
Original Assignee
Siemens and Halske AG
Siemens AG
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 Siemens and Halske AG, Siemens AG filed Critical Siemens and Halske AG
Publication of GB900772A publication Critical patent/GB900772A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/495—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on vanadium, niobium, tantalum, molybdenum or tungsten oxides or solid solutions thereof with other oxides, e.g. vanadates, niobates, tantalates, molybdates or tungstates
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/46—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates
    • C04B35/462—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates
    • C04B35/465—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates
    • C04B35/468—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates based on barium titanates
    • C04B35/4682—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates based on barium titanates based on BaTiO3 perovskite phase
    • 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
    • H01C7/02—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 positive temperature coefficient
    • 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
    • H01C7/02—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 positive temperature coefficient
    • H01C7/022—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 positive temperature coefficient mainly consisting of non-metallic substances
    • H01C7/023—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 positive temperature coefficient mainly consisting of non-metallic substances containing oxides or oxidic compounds, e.g. ferrites
    • H01C7/025—Perovskites, e.g. titanates

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Manufacturing & Machinery (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Thermistors And Varistors (AREA)
  • Adjustable Resistors (AREA)
  • Conductive Materials (AREA)

Abstract

900,772. Semi-conductor devices. SIEMENS & HALSKE A.G. July 14, 1958 [July 15, 1957], No. 10783/62. Divided out of 900,771. Class 37. The subject-matter of this Specification is included in Specification 900,771 from which it has been divided but the claims relate to a resistor with a positive temperature coefficient in a certain range, consisting of a ferro-electric perovskite, the Curie temperature of which lies below the upper limit of the range, the greater part of the conductivity being contributed by niobium impurity atoms. The resistors may be used in an unelectroformed state as voltage variable resistors.
GB1078362A 1957-07-15 1958-07-14 Resistors and methods for the manufacture thereof Expired GB900772A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES54291A DE1140628B (en) 1957-07-15 1957-07-15 Semiconductor resistor with a positive temperature coefficient and method for its manufacture

Publications (1)

Publication Number Publication Date
GB900772A true GB900772A (en) 1962-07-11

Family

ID=7489728

Family Applications (3)

Application Number Title Priority Date Filing Date
GB2247958A Expired GB900771A (en) 1957-07-15 1958-07-04 Resistors and methods for the manufacture thereof
GB1078462A Expired GB900773A (en) 1957-07-15 1958-07-14 Resistors and methods for the manufacture thereof
GB1078362A Expired GB900772A (en) 1957-07-15 1958-07-14 Resistors and methods for the manufacture thereof

Family Applications Before (2)

Application Number Title Priority Date Filing Date
GB2247958A Expired GB900771A (en) 1957-07-15 1958-07-04 Resistors and methods for the manufacture thereof
GB1078462A Expired GB900773A (en) 1957-07-15 1958-07-14 Resistors and methods for the manufacture thereof

Country Status (4)

Country Link
CH (1) CH374740A (en)
DE (1) DE1140628B (en)
FR (1) FR1200396A (en)
GB (3) GB900771A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109928747B (en) * 2019-03-22 2022-01-07 上海大学 Method for improving temperature coefficient and NTC effect of PTCR ceramic material
CN113465660B (en) * 2021-05-25 2022-07-05 湖南大学 Non-contact temperature measurement and material component detection device and method based on conductivity

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE511613A (en) * 1951-05-23

Also Published As

Publication number Publication date
CH374740A (en) 1964-01-31
GB900771A (en) 1962-07-11
DE1140628B (en) 1962-12-06
GB900773A (en) 1962-07-11
FR1200396A (en) 1959-12-21

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