FR2357045A1 - Ceramique electrique a forte resistance non lineaire - Google Patents

Ceramique electrique a forte resistance non lineaire

Info

Publication number
FR2357045A1
FR2357045A1 FR7720169A FR7720169A FR2357045A1 FR 2357045 A1 FR2357045 A1 FR 2357045A1 FR 7720169 A FR7720169 A FR 7720169A FR 7720169 A FR7720169 A FR 7720169A FR 2357045 A1 FR2357045 A1 FR 2357045A1
Authority
FR
France
Prior art keywords
electric ceramic
linear resistance
high non
oxide
electric
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.)
Granted
Application number
FR7720169A
Other languages
English (en)
Other versions
FR2357045B1 (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.)
BBC Brown Boveri AG Switzerland
Original Assignee
BBC Brown Boveri AG Switzerland
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 BBC Brown Boveri AG Switzerland filed Critical BBC Brown Boveri AG Switzerland
Publication of FR2357045A1 publication Critical patent/FR2357045A1/fr
Application granted granted Critical
Publication of FR2357045B1 publication Critical patent/FR2357045B1/fr
Granted 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
    • H01C7/10—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 voltage responsive, i.e. varistors
    • H01C7/105—Varistor cores
    • H01C7/108—Metal oxide
    • H01C7/112—ZnO type

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Thermistors And Varistors (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)

Abstract

Céramique électrique à base d'oxyde de zinc et d'au moins un autre composant. Elle se caractérise par l'absence d'oxyde de bismuth et la présence d'au moins un oxyde de l'élément silicium. Application notamment à la réalisation de parafoudres à résistance variable.
FR7720169A 1976-07-01 1977-06-30 Ceramique electrique a forte resistance non lineaire Granted FR2357045A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH842576A CH601135A5 (fr) 1976-07-01 1976-07-01

Publications (2)

Publication Number Publication Date
FR2357045A1 true FR2357045A1 (fr) 1978-01-27
FR2357045B1 FR2357045B1 (fr) 1983-08-26

Family

ID=4340144

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7720169A Granted FR2357045A1 (fr) 1976-07-01 1977-06-30 Ceramique electrique a forte resistance non lineaire

Country Status (7)

Country Link
US (1) US4174303A (fr)
JP (1) JPS6057205B2 (fr)
CH (1) CH601135A5 (fr)
DE (1) DE2633566C2 (fr)
FR (1) FR2357045A1 (fr)
GB (1) GB1522569A (fr)
SE (1) SE411271B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3036617C2 (de) * 1980-09-29 1982-06-24 Siemens AG, 1000 Berlin und 8000 München Verfahren zur Herstellung des Keramikmaterials für Zinkoxid-Varistoren
FR2545259B1 (fr) * 1983-04-29 1985-12-27 Ceraver Isolateur electrique presentant une insensibilite amelioree a la pollution
US5019063A (en) * 1989-10-30 1991-05-28 The Procter & Gamble Company Absorbent articles containing mechanical pulp and polymeric gelling material
JP2624601B2 (ja) * 1992-03-16 1997-06-25 日本碍子株式会社 電圧非直線抵抗体の製造方法
MX2019011022A (es) 2017-05-19 2019-11-05 Nippon Steel Corp Aparato de procesamiento de revenido.

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2176589A1 (en) * 1972-03-24 1973-11-02 Matsushita Electric Ind Co Ltd Voltage dependent resistors - sintered zinc oxide with silicon dioxide and other selected metal oxides
DE2642567A1 (de) * 1975-09-25 1977-04-07 Gen Electric Metalloxyd-varistor mit verbesserten elektrischen eigenschaften

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS495555B1 (fr) * 1968-10-22 1974-02-07
US3764566A (en) * 1972-03-24 1973-10-09 Matsushita Electric Ind Co Ltd Voltage nonlinear resistors
DE2215933C3 (de) * 1972-03-29 1975-04-10 Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka (Japan) Spannungsabhängige Masse widerstände
NL179524C (nl) * 1972-12-29 1986-09-16 Matsushita Electric Ind Co Ltd Werkwijze voor de vervaardiging van een spanningsafhankelijke weerstand.
GB1482584A (en) * 1973-07-13 1977-08-10 Tokyo Shibaura Electric Co Moisture responsive resistance element
US3950274A (en) * 1973-09-27 1976-04-13 General Electric Company Process for making a low voltage varistor
JPS5524247B2 (fr) * 1973-10-19 1980-06-27
US4046847A (en) * 1975-12-22 1977-09-06 General Electric Company Process for improving the stability of sintered zinc oxide varistors

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2176589A1 (en) * 1972-03-24 1973-11-02 Matsushita Electric Ind Co Ltd Voltage dependent resistors - sintered zinc oxide with silicon dioxide and other selected metal oxides
DE2642567A1 (de) * 1975-09-25 1977-04-07 Gen Electric Metalloxyd-varistor mit verbesserten elektrischen eigenschaften

Also Published As

Publication number Publication date
GB1522569A (en) 1978-08-23
SE411271B (sv) 1979-12-10
FR2357045B1 (fr) 1983-08-26
DE2633566A1 (de) 1978-01-12
US4174303A (en) 1979-11-13
JPS6057205B2 (ja) 1985-12-13
JPS534893A (en) 1978-01-17
SE7707636L (sv) 1978-01-02
DE2633566C2 (de) 1985-02-07
CH601135A5 (fr) 1978-06-30

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Legal Events

Date Code Title Description
ST Notification of lapse