GB1420923A - Capacitors - Google Patents
CapacitorsInfo
- Publication number
- GB1420923A GB1420923A GB5004771A GB5004771A GB1420923A GB 1420923 A GB1420923 A GB 1420923A GB 5004771 A GB5004771 A GB 5004771A GB 5004771 A GB5004771 A GB 5004771A GB 1420923 A GB1420923 A GB 1420923A
- Authority
- GB
- United Kingdom
- Prior art keywords
- bimetal
- capacitor
- electrode
- change
- temperature
- 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 7
- 239000000463 material Substances 0.000 abstract 2
- 238000005452 bending Methods 0.000 abstract 1
- 239000000919 ceramic Substances 0.000 abstract 1
- 239000003989 dielectric material Substances 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 150000002739 metals Chemical class 0.000 abstract 1
- 229910000679 solder Inorganic materials 0.000 abstract 1
- 239000007787 solid Substances 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
1420923 Capacitors R F OXLEY 26 Jan 1973 [28 Oct 1971] 50047/71 Heading H1M In a capacitor comprising at least one pair of substantially planar electrodes separated by solid dielectric material, at least one electrode in each pair is of bimetal material, the or each bimetal electrode, at a particular temperature, being flat and in face to face contact with a flat surface of the dielectric. As shown, a trimmer capacitor comprises a ceramic stator 10 having stator electrode 12 embedded therein and bimetal rotor 16 connected to spindle 18. The metals and arrangement of the bimetal electrode are such as to give a desired change of capacitance with change of temperature, this being brought about by bending or bowing of the rotor. Account is also taken of the effect of change in temperature on the dielectric. As shown the capacitor is mounted on a printed circuit board, solder 30 providing electrical connection to stator electrode 12 via aperture 32. Alternatively the capacitor may be a fixed capacitor, one or both of the outer electrodes being of bimetal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5004771A GB1420923A (en) | 1971-10-28 | 1971-10-28 | Capacitors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5004771A GB1420923A (en) | 1971-10-28 | 1971-10-28 | Capacitors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1420923A true GB1420923A (en) | 1976-01-14 |
Family
ID=10454454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5004771A Expired GB1420923A (en) | 1971-10-28 | 1971-10-28 | Capacitors |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1420923A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2451594A1 (en) * | 1979-03-16 | 1980-10-10 | Ebauches Sa | TIMEPIECE WITH VARIABLE CAPACITOR |
| GB2129615A (en) * | 1979-08-02 | 1984-05-16 | Tdk Electronics Co Ltd | A ceramic capacitor |
-
1971
- 1971-10-28 GB GB5004771A patent/GB1420923A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2451594A1 (en) * | 1979-03-16 | 1980-10-10 | Ebauches Sa | TIMEPIECE WITH VARIABLE CAPACITOR |
| GB2129615A (en) * | 1979-08-02 | 1984-05-16 | Tdk Electronics Co Ltd | A ceramic capacitor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |