GB1147757A - Dosimeter for measuring the dose of x-rays, gamma-rays and neutron beams - Google Patents
Dosimeter for measuring the dose of x-rays, gamma-rays and neutron beamsInfo
- Publication number
- GB1147757A GB1147757A GB1641566A GB1641566A GB1147757A GB 1147757 A GB1147757 A GB 1147757A GB 1641566 A GB1641566 A GB 1641566A GB 1641566 A GB1641566 A GB 1641566A GB 1147757 A GB1147757 A GB 1147757A
- Authority
- GB
- United Kingdom
- Prior art keywords
- fibre
- dosimeter
- glass
- electrometer
- glass rod
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/02—Dosimeters
-
- 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
- H01J47/04—Capacitive ionisation chambers, e.g. the electrodes of which are used as electrometers
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Measurement Of Radiation (AREA)
Abstract
1,147,757. Electrometer dosimeters. TELEFUNKEN PATENTVERWERTUNGS G.m.b.H. April 14, 1966 [April 15, 1965; Jan. 22, 1966], No. 16415/66. Heading G1Q. [Also in Division H1] A radiation dosimeter consists of two concentric cylinders 3, 12 and a fibre or like electrometer 5 connected to measure the potential difference between them. The two cylinders are of different materials and the dosimeter works on the principle that a potential difference is set up between them in consequence of the difference in electron yield of the two materials in the presence of ionizing radiation. The inner cylinder is a glass rod and the outer a metal tube, the glass having a lower average atomic number than the metal. The glass may be coated with a substance having an even lower atomic number, e.g. graphite, beryllium or titanium. The electrometer fibre is observed by an optical system whose axis is aligned with that of the glass rod, and to provide a compact construction the rod itself is part of the optical system. Thus in Fig. 2, 10 is a lens for viewing the fibre 5, the necessary light entering the opposite end of the casing and traversing the glass rod 3. Alternatively, as in Fig. 3 (not shown), a window (23) adjacent the fibre end of the dosimeter admits light to the casing and the optical system consists of an objective lens (31) bonded to or integrally ground on the adjacent end of the glass rod and an eye-piece lens (48) closing the other end of the casing.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DET0028398 | 1965-04-15 | ||
| DET0030308 | 1966-01-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1147757A true GB1147757A (en) | 1969-04-10 |
Family
ID=26000020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1641566A Expired GB1147757A (en) | 1965-04-15 | 1966-04-14 | Dosimeter for measuring the dose of x-rays, gamma-rays and neutron beams |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH454284A (en) |
| FR (1) | FR1508089A (en) |
| GB (1) | GB1147757A (en) |
| SE (1) | SE331861B (en) |
-
1966
- 1966-04-05 CH CH492566A patent/CH454284A/en unknown
- 1966-04-14 GB GB1641566A patent/GB1147757A/en not_active Expired
- 1966-04-15 FR FR57723A patent/FR1508089A/en not_active Expired
- 1966-04-15 SE SE519066A patent/SE331861B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE331861B (en) | 1971-01-18 |
| FR1508089A (en) | 1968-01-05 |
| CH454284A (en) | 1968-04-15 |
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