CA1016271A - Low voltage varistor and process for making - Google Patents

Low voltage varistor and process for making

Info

Publication number: CA1016271A
Authority: CA; Canada
Prior art keywords: making; low voltage; voltage varistor; varistor; low
Prior art date: 1973-09-27
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

CA207,347A

Other versions

CA207347S (en

Inventor

John E. May

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.)

General Electric Co

Original Assignee

General Electric Co

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.)

1973-09-27

Filing date

1974-08-19

Publication date

1977-08-23

1974-08-19 Application filed by General Electric Co filed Critical General Electric Co

1977-08-23 Application granted granted Critical

1977-08-23 Publication of CA1016271A publication Critical patent/CA1016271A/en

Status 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
- 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

CA207,347A 1973-09-27 1974-08-19 Low voltage varistor and process for making Expired CA1016271A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/401,131 US3950274A (en)	1973-09-27	1973-09-27	Process for making a low voltage varistor

Publications (1)

Publication Number	Publication Date
CA1016271A true CA1016271A (en)	1977-08-23

Family

ID=23586431

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA207,347A Expired CA1016271A (en)	1973-09-27	1974-08-19	Low voltage varistor and process for making

Country Status (9)

Country	Link
US (1)	US3950274A (en)
JP (1)	JPS5421554B2 (en)
CA (1)	CA1016271A (en)
DE (1)	DE2445627C2 (en)
FR (1)	FR2246038B1 (en)
GB (1)	GB1481453A (en)
IE (1)	IE39768B1 (en)
IT (1)	IT1022208B (en)
SE (1)	SE397743B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH601135A5 (en) *	1976-07-01	1978-06-30	Bbc Brown Boveri & Cie
US4180483A (en) *	1976-12-30	1979-12-25	Electric Power Research Institute, Inc.	Method for forming zinc oxide-containing ceramics by hot pressing and annealing
US4111852A (en) *	1976-12-30	1978-09-05	Westinghouse Electric Corp.	Pre-glassing method of producing homogeneous sintered zno non-linear resistors
US4142996A (en) *	1977-10-25	1979-03-06	General Electric Company	Method of making homogenous metal oxide varistor powders
DD137867A1 (en) *	1978-07-20	1979-09-26	Guenter Weise	SUBSTRATE FOR CERAMIC SEMICONDUCTOR RESISTORS AND MANUFACTURING METHOD
US4265844A (en) *	1979-05-16	1981-05-05	Marcon Electronics Co. Ltd.	Method of manufacturing a voltage-nonlinear resistor
EP0019889A1 (en) *	1979-05-30	1980-12-10	Siemens Aktiengesellschaft	Zinc oxide varistor
US4386021A (en) *	1979-11-27	1983-05-31	Matsushita Electric Industrial Co., Ltd.	Voltage-dependent resistor and method of making the same
DE3826356A1 (en) *	1988-08-03	1990-02-08	Philips Patentverwaltung	METHOD FOR PRODUCING A NON-LINEAR VOLTAGE-RESISTANT RESISTANCE
DE69603390T2 (en) *	1995-03-06	1999-12-30	Matsushita Electric Ind Co Ltd	Zinc oxide ceramics and process for their manufacture
IES84552B2 (en) *	2005-10-19	2007-04-04	Littelfuse Ireland Dev Company	A varistor and production method
US20100189882A1 (en) *	2006-09-19	2010-07-29	Littelfuse Ireland Development Company Limited	Manufacture of varistors with a passivation layer

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA831691A (en) *	1967-10-09	1970-01-06	Matsuoka Michio	Non-linear resistors of bulk type
JPS5633842B2 (en) *	1972-08-23	1981-08-06

1973
- 1973-09-27 US US05/401,131 patent/US3950274A/en not_active Expired - Lifetime
1974
- 1974-08-19 CA CA207,347A patent/CA1016271A/en not_active Expired
- 1974-08-26 IE IE1767/74A patent/IE39768B1/en unknown
- 1974-09-23 GB GB41270/74A patent/GB1481453A/en not_active Expired
- 1974-09-23 IT IT27579/74A patent/IT1022208B/en active
- 1974-09-25 SE SE7412079A patent/SE397743B/en not_active IP Right Cessation
- 1974-09-25 DE DE2445627A patent/DE2445627C2/en not_active Expired
- 1974-09-26 FR FR7432404A patent/FR2246038B1/fr not_active Expired
- 1974-09-26 JP JP11004374A patent/JPS5421554B2/ja not_active Expired

Also Published As

Publication number	Publication date
DE2445627A1 (en)	1975-04-03
FR2246038B1 (en)	1981-08-28
JPS5421554B2 (en)	1979-07-31
IT1022208B (en)	1978-03-20
SE7412079L (en)	1975-04-01
JPS5076589A (en)	1975-06-23
IE39768B1 (en)	1978-12-20
SE397743B (en)	1977-11-14
IE39768L (en)	1975-03-27
US3950274A (en)	1976-04-13
GB1481453A (en)	1977-07-27
DE2445627C2 (en)	1982-09-02
FR2246038A1 (en)	1975-04-25

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