GB1134512A - Improvements in or relating to ionisation chambers - Google Patents
Improvements in or relating to ionisation chambersInfo
- Publication number
- GB1134512A GB1134512A GB1044966A GB1044966A GB1134512A GB 1134512 A GB1134512 A GB 1134512A GB 1044966 A GB1044966 A GB 1044966A GB 1044966 A GB1044966 A GB 1044966A GB 1134512 A GB1134512 A GB 1134512A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mixture
- acrylonitrile
- butadiene
- varnish
- resin
- 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
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J47/00—Tubes for determining the presence, intensity, density or energy of radiation or particles
- H01J47/02—Ionisation chambers
Landscapes
- Materials For Medical Uses (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
Abstract
1,134,512. Ionization chambers; electrode materials. COMMISSARIAT A L'ENERGIE ATOMIQUE. 9 March, 1966 [11 March, 1965], No. 10449/66. Heading HID. Insulating material constituting the walls, and the body of the collecting electrode, of an ionization chamber are coated with a conductive varnish formed by from 40 to 60% by weight of colloidal graphite, and a binding agent constituted by at least one of acrylonitrile butadiene, acrylic resin, vinyl acetochloride, and acrylonitrile-butadiene-styrene copolymer resin. The varnish constituents may be dispersed in methylisobutylketone solvent and applied by brush or spray gun. The varnish is particularly for use in chambers designed to provide a response to ionizing radiation close to that of human tissue, and the insulating material of the chamber may be the polyethylene/magnesium fluoride mixture disclosed in Specification 1,108,583, or a mixture of acrylonitrile-butadiene-styrene resin and alumina, or a mixture of nylon, epoxy resin, alumina, and calcium silicate, in given proportions by weight; the latter composition may be woven into the desired shape. The filling may be air, or the mixture disclosed in Specification 1,032,002.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8777A FR87544E (en) | 1965-03-11 | 1965-03-11 | Ionization chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1134512A true GB1134512A (en) | 1968-11-27 |
Family
ID=8573560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1044966A Expired GB1134512A (en) | 1965-03-11 | 1966-03-09 | Improvements in or relating to ionisation chambers |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE676503A (en) |
| FR (1) | FR87544E (en) |
| GB (1) | GB1134512A (en) |
| LU (1) | LU50624A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| HU176837B (en) * | 1979-03-12 | 1981-05-28 | Orszagos Meresuegyi Hivatal | Ionization chamber applicable as secondary dozimetric standard |
-
1965
- 1965-03-11 FR FR8777A patent/FR87544E/en not_active Expired
-
1966
- 1966-02-15 BE BE676503D patent/BE676503A/xx unknown
- 1966-03-09 GB GB1044966A patent/GB1134512A/en not_active Expired
- 1966-03-11 LU LU50624A patent/LU50624A1/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR87544E (en) | 1966-06-24 |
| LU50624A1 (en) | 1966-05-11 |
| BE676503A (en) | 1966-07-18 |
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