GB1286134A - Voltage dependent resistors - Google Patents
Voltage dependent resistorsInfo
- Publication number
- GB1286134A GB1286134A GB54673/69A GB5467369A GB1286134A GB 1286134 A GB1286134 A GB 1286134A GB 54673/69 A GB54673/69 A GB 54673/69A GB 5467369 A GB5467369 A GB 5467369A GB 1286134 A GB1286134 A GB 1286134A
- Authority
- GB
- United Kingdom
- Prior art keywords
- per cent
- mole per
- sro
- pbo
- voltage dependent
- 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
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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Thermistors And Varistors (AREA)
- Compositions Of Oxide Ceramics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8212568 | 1968-11-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1286134A true GB1286134A (en) | 1972-08-23 |
Family
ID=13765678
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB54673/69A Expired GB1286134A (en) | 1968-11-08 | 1969-11-07 | Voltage dependent resistors |
Country Status (6)
Country | Link |
---|---|
US (1) | US3598763A (nl) |
CA (1) | CA918408A (nl) |
DE (1) | DE1956817B2 (nl) |
FR (1) | FR2023507A1 (nl) |
GB (1) | GB1286134A (nl) |
NL (1) | NL150257B (nl) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3764566A (en) * | 1972-03-24 | 1973-10-09 | Matsushita Electric Ind Co Ltd | Voltage nonlinear resistors |
JPS5147293A (en) * | 1974-10-21 | 1976-04-22 | Matsushita Electric Ind Co Ltd | Denatsuhichokusenteikoki |
US4077915A (en) * | 1975-09-18 | 1978-03-07 | Tdk Electronics Co., Ltd. | Non-linear resistor |
US4041436A (en) * | 1975-10-24 | 1977-08-09 | Allen-Bradley Company | Cermet varistors |
US4147670A (en) * | 1975-12-04 | 1979-04-03 | Nippon Electric Co., Ltd. | Nonohmic ZnO ceramics including Bi2 O3, CoO, MnO, Sb2 O.sub.3 |
US4146677A (en) * | 1977-08-18 | 1979-03-27 | Trw Inc. | Resistor material, resistor made therefrom and method of making the same |
US4172922A (en) * | 1977-08-18 | 1979-10-30 | Trw, Inc. | Resistor material, resistor made therefrom and method of making the same |
GB2242068C (en) * | 1990-03-16 | 1996-01-24 | Ecco Ltd | Varistor manufacturing method and apparatus |
GB9005990D0 (en) * | 1990-03-16 | 1990-05-09 | Ecco Ltd | Varistor powder compositions |
GB2242067B (en) * | 1990-03-16 | 1994-05-04 | Ecco Ltd | Varistor configurations |
US5973588A (en) * | 1990-06-26 | 1999-10-26 | Ecco Limited | Multilayer varistor with pin receiving apertures |
GB2242066B (en) * | 1990-03-16 | 1994-04-27 | Ecco Ltd | Varistor structures |
US6183685B1 (en) | 1990-06-26 | 2001-02-06 | Littlefuse Inc. | Varistor manufacturing method |
-
1969
- 1969-10-30 US US872590A patent/US3598763A/en not_active Expired - Lifetime
- 1969-11-03 CA CA066468A patent/CA918408A/en not_active Expired
- 1969-11-07 FR FR6938471A patent/FR2023507A1/fr active Pending
- 1969-11-07 NL NL696916845A patent/NL150257B/nl not_active IP Right Cessation
- 1969-11-07 GB GB54673/69A patent/GB1286134A/en not_active Expired
- 1969-11-07 DE DE19691956817 patent/DE1956817B2/de active Pending
Also Published As
Publication number | Publication date |
---|---|
DE1956817A1 (de) | 1970-07-02 |
NL6916845A (nl) | 1970-05-12 |
NL150257B (nl) | 1976-07-15 |
CA918408A (en) | 1973-01-09 |
US3598763A (en) | 1971-08-10 |
FR2023507A1 (nl) | 1970-08-21 |
DE1956817B2 (de) | 1972-06-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PE20 | Patent expired after termination of 20 years |