GB1470252A - Proportional neutron counter with loop-shaped anode - Google Patents
Proportional neutron counter with loop-shaped anodeInfo
- Publication number
- GB1470252A GB1470252A GB2693074A GB2693074A GB1470252A GB 1470252 A GB1470252 A GB 1470252A GB 2693074 A GB2693074 A GB 2693074A GB 2693074 A GB2693074 A GB 2693074A GB 1470252 A GB1470252 A GB 1470252A
- Authority
- GB
- United Kingdom
- Prior art keywords
- loop
- wire
- counter
- june
- ionization
- 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
- H01J47/12—Neutron detector tubes, e.g. BF3 tubes
Landscapes
- Measurement Of Radiation (AREA)
- X-Ray Techniques (AREA)
Abstract
1470252 Ionization counter INTERNATIONAL STANDARD ELECTRIC CORP 18 June 1974 [22 June 1973] 26930/74 Heading H1D To obviate spurious ionization at the sharp end of a fine anode wire 3 entering axially into the closed cylindrical cathode 1 of a neutron porportional counter tube, the end portion is bent into a small loop 4 shielding the wire end 5 (Fig. 1) or it is bent round to re-enter the insulator 2 (Fig. 2), in both eases the loop being electrically unclosed. The wire may be as small as 5 micron diameter, made of W or Mo; the gas filling in the tube is BF 3 enriched with <SP>10</SP>B, or <SP>3</SP>He or one of the rare gases with a selfquenching additive. The insulating seal 2 may be glass or ceramic.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7322872A FR2234656B3 (en) | 1973-06-22 | 1973-06-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1470252A true GB1470252A (en) | 1977-04-14 |
Family
ID=9121414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2693074A Expired GB1470252A (en) | 1973-06-22 | 1974-06-18 | Proportional neutron counter with loop-shaped anode |
Country Status (7)
| Country | Link |
|---|---|
| CH (1) | CH589359A5 (en) |
| DE (1) | DE2427985A1 (en) |
| FR (1) | FR2234656B3 (en) |
| GB (1) | GB1470252A (en) |
| IT (1) | IT1015224B (en) |
| NL (1) | NL7408028A (en) |
| SE (1) | SE7408152L (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2473783A1 (en) * | 1980-01-16 | 1981-07-17 | Commissariat Energie Atomique | Nuclear radiation detector - contg. gaseous isotope and functioning as geiger counter with high sensitivity to neutrons and gamma rays |
-
1973
- 1973-06-22 FR FR7322872A patent/FR2234656B3/fr not_active Expired
-
1974
- 1974-06-10 DE DE19742427985 patent/DE2427985A1/en active Pending
- 1974-06-17 NL NL7408028A patent/NL7408028A/xx unknown
- 1974-06-18 GB GB2693074A patent/GB1470252A/en not_active Expired
- 1974-06-20 SE SE7408152A patent/SE7408152L/xx not_active Application Discontinuation
- 1974-06-20 IT IT2419374A patent/IT1015224B/en active
- 1974-06-21 CH CH850974A patent/CH589359A5/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| SE7408152L (en) | 1974-12-23 |
| IT1015224B (en) | 1977-05-10 |
| DE2427985A1 (en) | 1975-01-16 |
| FR2234656A1 (en) | 1975-01-17 |
| CH589359A5 (en) | 1977-06-30 |
| FR2234656B3 (en) | 1976-06-18 |
| NL7408028A (en) | 1974-12-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CSNS | Application of which complete specification have been accepted and published, but patent is not sealed |