GB1170991A - Improvements in or relating to Capacitors. - Google Patents
Improvements in or relating to Capacitors.Info
- Publication number
- GB1170991A GB1170991A GB1484267A GB1484267A GB1170991A GB 1170991 A GB1170991 A GB 1170991A GB 1484267 A GB1484267 A GB 1484267A GB 1484267 A GB1484267 A GB 1484267A GB 1170991 A GB1170991 A GB 1170991A
- Authority
- GB
- United Kingdom
- Prior art keywords
- layer
- dielectric
- resist
- dielectric layer
- aluminium
- 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 3
- 239000000463 material Substances 0.000 abstract 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 2
- 229910052782 aluminium Inorganic materials 0.000 abstract 2
- 239000004411 aluminium Substances 0.000 abstract 2
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 abstract 2
- 238000007743 anodising Methods 0.000 abstract 1
- 239000000919 ceramic Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 abstract 1
- 239000011521 glass Substances 0.000 abstract 1
- 238000011065 in-situ storage Methods 0.000 abstract 1
- -1 polysiloxane Polymers 0.000 abstract 1
- 229920001296 polysiloxane Polymers 0.000 abstract 1
- 239000002243 precursor Substances 0.000 abstract 1
- 230000005855 radiation Effects 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 1
- 238000007738 vacuum evaporation 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
- H01G4/002—Details
- H01G4/018—Dielectrics
- H01G4/06—Solid dielectrics
- H01G4/14—Organic dielectrics
- H01G4/18—Organic dielectrics of synthetic material, e.g. derivatives of cellulose
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
1,170,991. Capacitors; printed circuits. MINISTER OF TECHNOLOGY. 19 April, 1968 [31 March, 1967], No. 14842/67. Headings H1M and H1R. A capacitor or cross-over comprises a first conductive layer 2 on a glass or ceramic layer 1, a first dielectric layer 3, a second dielectric layer 4 formed of a hardened photo-resist material, the material of the first dielectric layer 3 having a dielectric strength resistivity, and dielectric constant greater than those of the hardened photo-resist material. The photo-resist material is preferably of the negative type having a dielectric constant of between 2 and 3. The first dielectric layer preferably has a dielectric constant of at least 7, e.g. aluminium oxide formed by anodizing a vapour deposited aluminium layer, a deposited silicon monoxide layer, or a polysiloxane formed in situ by electron bombardment in vacuum of a precursor. After the resist layer is applied, the coated substrate is baked and the resist layer is exposed to u.v. radiation through a mask defining the desired shape of the dielectric layer. The unexposed resist is removed using the appropriate developer, and the second conductive layer applied, e.g. by vacuum evaporation of aluminium through a stencil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1484267A GB1170991A (en) | 1967-03-31 | 1967-03-31 | Improvements in or relating to Capacitors. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1484267A GB1170991A (en) | 1967-03-31 | 1967-03-31 | Improvements in or relating to Capacitors. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1170991A true GB1170991A (en) | 1969-11-19 |
Family
ID=10048445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1484267A Expired GB1170991A (en) | 1967-03-31 | 1967-03-31 | Improvements in or relating to Capacitors. |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1170991A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4472760A (en) * | 1982-10-09 | 1984-09-18 | Itt Industries, Inc. | Capacitor |
| GB2227887A (en) * | 1988-12-24 | 1990-08-08 | Technology Applic Company Limi | Making printed circuits |
-
1967
- 1967-03-31 GB GB1484267A patent/GB1170991A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4472760A (en) * | 1982-10-09 | 1984-09-18 | Itt Industries, Inc. | Capacitor |
| GB2227887A (en) * | 1988-12-24 | 1990-08-08 | Technology Applic Company Limi | Making printed circuits |
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