GB1150335A - Process for making Current Limiting Devices - Google Patents

Process for making Current Limiting Devices

Info

Publication number
GB1150335A
GB1150335A GB1430/67A GB143067A GB1150335A GB 1150335 A GB1150335 A GB 1150335A GB 1430/67 A GB1430/67 A GB 1430/67A GB 143067 A GB143067 A GB 143067A GB 1150335 A GB1150335 A GB 1150335A
Authority
GB
United Kingdom
Prior art keywords
oxygen
oxidizing atmosphere
sintering
hour
nitrogen
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
GB1430/67A
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.)
CBS Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of GB1150335A publication Critical patent/GB1150335A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C1/00—Details
    • H01C1/14—Terminals or tapping points or electrodes specially adapted for resistors; Arrangements of terminals or tapping points or electrodes on resistors
    • H01C1/1406—Terminals or electrodes formed on resistive elements having positive temperature coefficient
    • 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
    • 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
    • C04B35/4684—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 containing lead compounds
    • 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)
  • Materials Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing & Machinery (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermistors And Varistors (AREA)
  • Compositions Of Oxide Ceramics (AREA)
GB1430/67A 1966-02-11 1967-01-11 Process for making Current Limiting Devices Expired GB1150335A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US52680666A 1966-02-11 1966-02-11

Publications (1)

Publication Number Publication Date
GB1150335A true GB1150335A (en) 1969-04-30

Family

ID=24098867

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1430/67A Expired GB1150335A (en) 1966-02-11 1967-01-11 Process for making Current Limiting Devices

Country Status (4)

Country Link
US (1) US3533966A (US07223432-20070529-C00017.png)
BE (1) BE693945A (US07223432-20070529-C00017.png)
FR (1) FR1510776A (US07223432-20070529-C00017.png)
GB (1) GB1150335A (US07223432-20070529-C00017.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2219287B (en) * 1988-06-03 1992-09-09 Nippon Oils & Fats Co Ltd A method for manufacturing a reduction-reoxidation type semiconductive capacitor

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3859403A (en) * 1970-04-13 1975-01-07 Sprague Electric Co Process for semiconductive ceramic body
JPS547070B2 (US07223432-20070529-C00017.png) * 1973-07-30 1979-04-03
JPS5110814A (US07223432-20070529-C00017.png) * 1974-07-11 1976-01-28 Tdk Electronics Co Ltd
FR2447593A2 (fr) * 1978-08-11 1980-08-22 Thomson Csf Dispositif autoregule en temperature et son application a la mesure de temperature par couple thermo-electrique
DE3107290A1 (de) * 1980-03-03 1982-01-07 Canon K.K., Tokyo Heizvorrichtung
DE10218154A1 (de) * 2002-04-23 2003-11-13 Epcos Ag PTC-Bauelement und Verfahren zu dessen Herstellung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2976505A (en) * 1958-02-24 1961-03-21 Westinghouse Electric Corp Thermistors
US3020619A (en) * 1959-12-07 1962-02-13 Rca Corp Firing process for forsterite ceramics
US2981699A (en) * 1959-12-28 1961-04-25 Westinghouse Electric Corp Positive temperature coefficient thermistor materials
US3176056A (en) * 1961-08-14 1965-03-30 Kaiser Aluminium Chem Corp Method of forming and rapid firing periclase pellets
FR1367431A (fr) * 1962-11-06 1964-07-24 Pechiney Prod Chimiques Sa Procédé de fabrication de demi-produits et de produits finis à partir de carbure de molybdène en poudre et produits obtenus
US3377561A (en) * 1965-07-13 1968-04-09 Bell Telephone Labor Inc Positive temperature coefficient titanate thermistor
US3341473A (en) * 1966-02-16 1967-09-12 Carborundum Co High beta thermistors

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2219287B (en) * 1988-06-03 1992-09-09 Nippon Oils & Fats Co Ltd A method for manufacturing a reduction-reoxidation type semiconductive capacitor

Also Published As

Publication number Publication date
FR1510776A (fr) 1968-01-19
BE693945A (US07223432-20070529-C00017.png) 1967-07-17
US3533966A (en) 1970-10-13

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees