GB720514A - Improvements in an improved electric capacitor - Google Patents
Improvements in an improved electric capacitorInfo
- Publication number
- GB720514A GB720514A GB2027452A GB2027452A GB720514A GB 720514 A GB720514 A GB 720514A GB 2027452 A GB2027452 A GB 2027452A GB 2027452 A GB2027452 A GB 2027452A GB 720514 A GB720514 A GB 720514A
- Authority
- GB
- United Kingdom
- Prior art keywords
- capacitor
- ceramic
- unit
- main
- aug
- 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
- 239000003990 capacitor Substances 0.000 title abstract 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 abstract 2
- 239000000919 ceramic Substances 0.000 abstract 2
- 239000011888 foil Substances 0.000 abstract 2
- 239000011521 glass Substances 0.000 abstract 2
- 229910052749 magnesium Inorganic materials 0.000 abstract 2
- 239000011777 magnesium Substances 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- 229920003319 Araldite® Polymers 0.000 abstract 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract 1
- FQNGWRSKYZLJDK-UHFFFAOYSA-N [Ca].[Ba] Chemical compound [Ca].[Ba] FQNGWRSKYZLJDK-UHFFFAOYSA-N 0.000 abstract 1
- 229910052791 calcium Inorganic materials 0.000 abstract 1
- 239000011575 calcium Substances 0.000 abstract 1
- 239000003985 ceramic capacitor Substances 0.000 abstract 1
- 239000000470 constituent Substances 0.000 abstract 1
- VOOLKNUJNPZAHE-UHFFFAOYSA-N formaldehyde;2-methylphenol Chemical compound O=C.CC1=CC=CC=C1O VOOLKNUJNPZAHE-UHFFFAOYSA-N 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 229910052712 strontium Inorganic materials 0.000 abstract 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 abstract 1
- 229920003002 synthetic resin Polymers 0.000 abstract 1
- 239000000057 synthetic resin Substances 0.000 abstract 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/258—Temperature compensation means
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
720,514. Electric condensers. BRITISH DIELECTRIC RESEARCH, Ltd. Aug. 12, 1953 [Aug. 12, 1952], No. 20274/52. Class 37. A capacitor unit comprises a glass and a ceramic capacitor connected in parallel so that their temperature variations of capacity cancel each other. The main capacitor consists of a sandwich of glass dielectric sheets interleaved with metal foil electrodes 3, the whole being sintered to form a single unit, alternate foils being brought out to terminal wires 4, 5 at opposite ends of the unit. The auxiliary capacitor 6, consisting of a disc of high permittivity ceramic (e.g. a sintered mixture of calcium and magnesium titanates) with metallized surfaces is mounted above, and spaced from the main unit by rigid connections 7, 8 to its terminal wires 4, 5. The.main constituent of the ceramic is one of or a mixture of magnesium, barium calcium, and strontium titanates and rutile. The whole assembly is embedded in synthetic resin 9 such as " Araldite " (Registered Trade Mark) in a case 10 of moulded cresol-formaldehyde resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2027452A GB720514A (en) | 1952-08-12 | 1952-08-12 | Improvements in an improved electric capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2027452A GB720514A (en) | 1952-08-12 | 1952-08-12 | Improvements in an improved electric capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB720514A true GB720514A (en) | 1954-12-22 |
Family
ID=10143266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2027452A Expired GB720514A (en) | 1952-08-12 | 1952-08-12 | Improvements in an improved electric capacitor |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB720514A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4636913A (en) * | 1983-09-27 | 1987-01-13 | Filtronic Components Limited | Temperature compensated capacitor |
| US4939486A (en) * | 1988-01-04 | 1990-07-03 | Asea Brown Boveri Ab | Filter equipment for power lines |
-
1952
- 1952-08-12 GB GB2027452A patent/GB720514A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4636913A (en) * | 1983-09-27 | 1987-01-13 | Filtronic Components Limited | Temperature compensated capacitor |
| US4939486A (en) * | 1988-01-04 | 1990-07-03 | Asea Brown Boveri Ab | Filter equipment for power lines |
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