GB841473A - Improvements in or relating to electrical capacitors - Google Patents
Improvements in or relating to electrical capacitorsInfo
- Publication number
- GB841473A GB841473A GB26412/55A GB2641255A GB841473A GB 841473 A GB841473 A GB 841473A GB 26412/55 A GB26412/55 A GB 26412/55A GB 2641255 A GB2641255 A GB 2641255A GB 841473 A GB841473 A GB 841473A
- Authority
- GB
- United Kingdom
- Prior art keywords
- dielectric
- strips
- backing
- strip
- wound
- 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 5
- 239000002131 composite material Substances 0.000 abstract 3
- 239000004793 Polystyrene Substances 0.000 abstract 2
- 239000003795 chemical substances by application Substances 0.000 abstract 2
- 238000000576 coating method Methods 0.000 abstract 2
- 239000000463 material Substances 0.000 abstract 2
- 229920002223 polystyrene Polymers 0.000 abstract 2
- 239000001856 Ethyl cellulose Substances 0.000 abstract 1
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 abstract 1
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 abstract 1
- 229920000297 Rayon Polymers 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- 239000004411 aluminium Substances 0.000 abstract 1
- 229920002301 cellulose acetate Polymers 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 229920001249 ethyl cellulose Polymers 0.000 abstract 1
- 235000019325 ethyl cellulose Nutrition 0.000 abstract 1
- 239000004922 lacquer Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000001465 metallisation Methods 0.000 abstract 1
- 239000012188 paraffin wax Substances 0.000 abstract 1
- 239000004627 regenerated cellulose Substances 0.000 abstract 1
- 238000004804 winding Methods 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
- H01G4/32—Wound capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G13/00—Apparatus specially adapted for manufacturing capacitors; Processes specially adapted for manufacturing capacitors not provided for in groups H01G4/00 - H01G11/00
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G13/00—Apparatus specially adapted for manufacturing capacitors; Processes specially adapted for manufacturing capacitors not provided for in groups H01G4/00 - H01G11/00
- H01G13/006—Apparatus or processes for applying terminals
-
- 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
- H01G4/005—Electrodes
- H01G4/015—Special provisions for self-healing
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
841,473. Capacitors. HUNT (CAPACITORS) Ltd., A. H. Sept. 14, 1956 [Sept. 15, 1955], No. 26412/55. Class 37. A method of making a wound capacitor wherein the dielectric is applied as a coating or layer on a strip or sheet of flexible backing material in a manner as to be readily strippable therefrom, metallisation is then applied to the exposed dielectric surface and the backing strip carries the metallised dielectric during a subsequent demetalling operation. The backing strip 11 of waxed paper, regenerated cellulose or viscose may first be coated with a heat-softenable release agent 12 such as paraffin wax, before application of dielectric lacquer 13 containing polystyrene or cellulose acetate. Two coatings of dielectric may be given, preferably of different materials such as liquid polystyrene followed by a solution of ethyl cellulose in amyl alcohol. Aluminium 14 is next evaporated on to the surface and the composite strip is passed through demetallising apparatus as described in Specifications 647,573, 680,843. The backing strip may be removed during winding by passing the composite strip over a heated roller which softens the release agent. Another embodiment uses two composite strips having demetallised margins along one edge. The strips 18, 19 are led from rolls 20, 21 and laid together with the metallising of one in contact with the dielectric of the other and with demetallised margins on opposite edges. The two strips pass over heated rollers 27, 28 where the backing strips are released. The electrode bearing strips and wound together to form a capacitor 22 whilst the backing strips are wound on to rolls 25, 26. Specifications 841,474 and 841,475 also are referred to. Reference has been directed by the Comptroller to Specification 736,479.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB26412/55A GB841473A (en) | 1955-09-15 | 1955-09-15 | Improvements in or relating to electrical capacitors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB26412/55A GB841473A (en) | 1955-09-15 | 1955-09-15 | Improvements in or relating to electrical capacitors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB841473A true GB841473A (en) | 1960-07-13 |
Family
ID=10243243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB26412/55A Expired GB841473A (en) | 1955-09-15 | 1955-09-15 | Improvements in or relating to electrical capacitors |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB841473A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3620601A1 (en) * | 1986-06-19 | 1987-12-23 | Akzo Gmbh | METHOD FOR PRODUCING POLYIMIDE METAL LAMINATES |
-
1955
- 1955-09-15 GB GB26412/55A patent/GB841473A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3620601A1 (en) * | 1986-06-19 | 1987-12-23 | Akzo Gmbh | METHOD FOR PRODUCING POLYIMIDE METAL LAMINATES |
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