JPS6086908U - Detector for thickness gauge - Google Patents
Detector for thickness gaugeInfo
- Publication number
- JPS6086908U JPS6086908U JP17786983U JP17786983U JPS6086908U JP S6086908 U JPS6086908 U JP S6086908U JP 17786983 U JP17786983 U JP 17786983U JP 17786983 U JP17786983 U JP 17786983U JP S6086908 U JPS6086908 U JP S6086908U
- Authority
- JP
- Japan
- Prior art keywords
- radiation
- entrance window
- detector
- radiation source
- measurement object
- 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.)
- Pending
Links
Landscapes
- Length-Measuring Devices Using Wave Or Particle Radiation (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の厚さ計の原理構成図、第２図は本考案が
適用された厚さ計の原理構成図、第３図は本考案の一実
施例の概略構成図を示し、Ａはその正面断面図、Ｂはそ
の平面断面図、第４図は電離箱の概略構成図、第５図は
散乱放射線除去金具の概略構成図を示し、Ａはその正面
図、Ｂはその側面断面図、第６図はシールドケースの概
略構成図を示し、Ａはその正面断面図、ＢはＡの要部り
の拡大断面図である。
１：放射線源、３Ａ：線源容器、７：プリアンプ、１３
：検出器、１４：電離箱部、１４Ａ：電離箱、１５：プ
リアンプ部、１６：散乱放射線除去金具、１７：シール
ドケース、１８：外部ケース。
２２ ′５４（Ａ、 ２５
１５７７
第４図FIG. 1 is a diagram showing the basic structure of a conventional thickness gauge, FIG. 2 is a diagram showing the principle structure of a thickness gauge to which the present invention is applied, and FIG. 3 is a schematic diagram of an embodiment of the present invention. 4 is a schematic diagram of the ionization chamber, FIG. 5 is a schematic diagram of the scattered radiation removal fitting, A is its front view, and B is its side sectional view. 6A and 6B show schematic configuration diagrams of the shield case, A is a front sectional view thereof, and B is an enlarged sectional view of a main part of A. 1: Radiation source, 3A: Radiation source container, 7: Preamplifier, 13
: Detector, 14: Ionization box section, 14A: Ionization chamber, 15: Preamplifier section, 16: Scattered radiation removal fitting, 17: Shield case, 18: External case. 22 '54 (A, 25 1577 Fig. 4
Claims (1)
物を介して対向し前記放射線源より放射された放射線が
前記測定物を透過して到達する測定用電離箱と、この測
定用電離箱の放射線入射窓部に設けられた放射線入射窓
ｉと、この放射入射窓部の前面に設けられ多数の格子状
貫通孔を有し、散乱放射線を除去し得ると共に前記放射
線入射窓箔の膨張変化を抑制し得る散乱放射線除去金具
とを備えたことを特徴とする厚さ計用検出器。A radiation source container containing a radiation source; a measurement ionization chamber that faces the radiation source container with a measurement object in between, and in which radiation emitted from the radiation source passes through the measurement object and reaches the measurement object; It has a radiation entrance window i provided in the radiation entrance window portion of the ionization chamber, and a large number of grid-like through holes provided on the front surface of this radiation entrance window portion, which can remove scattered radiation and improve the efficiency of the radiation entrance window foil. A detector for a thickness gauge, characterized in that it is equipped with a scattered radiation removing fitting capable of suppressing expansion changes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17786983U JPS6086908U (en) | 1983-11-17 | 1983-11-17 | Detector for thickness gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17786983U JPS6086908U (en) | 1983-11-17 | 1983-11-17 | Detector for thickness gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6086908U true JPS6086908U (en) | 1985-06-14 |
Family
ID=30386324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17786983U Pending JPS6086908U (en) | 1983-11-17 | 1983-11-17 | Detector for thickness gauge |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6086908U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51311U (en) * | 1974-06-18 | 1976-01-06 | ||
| JPS5229029U (en) * | 1975-08-22 | 1977-03-01 |
-
1983
- 1983-11-17 JP JP17786983U patent/JPS6086908U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51311U (en) * | 1974-06-18 | 1976-01-06 | ||
| JPS5229029U (en) * | 1975-08-22 | 1977-03-01 |
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