JPH0390068U - - Google Patents
Info
- Publication number
- JPH0390068U JPH0390068U JP15182689U JP15182689U JPH0390068U JP H0390068 U JPH0390068 U JP H0390068U JP 15182689 U JP15182689 U JP 15182689U JP 15182689 U JP15182689 U JP 15182689U JP H0390068 U JPH0390068 U JP H0390068U
- Authority
- JP
- Japan
- Prior art keywords
- radiation
- measured
- vacuum container
- detector
- measurement device
- 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
- 230000005855 radiation Effects 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims 2
- 239000004065 semiconductor Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Description
第１図は本考案の一実施例を示す断面構成図、
第２図は本考案の装置を用いて被測定体を透過し
たβ線の強度分布ｅと用いない場合の強度分布ｆ
の状態を模式的に示す図、第３図は放射線源と検
出器の位置関係を説明する図、第４図は放射線の
強度分布を示す図、第５図は従来例の説明図であ
る。
１…放射線源、２…放射線検出器、２ｂ…放射
線検出素子、３…被測定体、４…真空容器、１３
…フイルタ、１３ａ…小孔。
FIG. 1 is a cross-sectional configuration diagram showing an embodiment of the present invention;
Figure 2 shows the intensity distribution e of β-rays transmitted through the object to be measured using the device of the present invention and the intensity distribution f when not using the device.
3 is a diagram illustrating the positional relationship between the radiation source and the detector, FIG. 4 is a diagram illustrating the intensity distribution of radiation, and FIG. 5 is a diagram illustrating a conventional example. DESCRIPTION OF SYMBOLS 1... Radiation source, 2... Radiation detector, 2b... Radiation detection element, 3... Measured object, 4... Vacuum container, 13
...Filter, 13a...Small hole.
Claims (1)
る放射線を半導体放射線検出器により検出し、前
記被測定体の物理量の測定を行う放射線応用測定
装置において、前記放射線源と被測定体の間に所
定の断面積と長さを有する筒状の真空容器を配置
するとともにその真空容器の出射口に近接して前
記真空容器の断面積よりも充分に小さな面積の放
射線透過孔を有するフイルタを設け、前記被測定
体を透過して形成される放射線の強度分布の範囲
よりも前記検出器の検出面を大きくしたことを特
徴とする放射線応用測定装置。 In a radiation applied measurement device that detects radiation emitted from a radiation source and passes through an object to be measured using a semiconductor radiation detector and measures a physical quantity of the object to be measured, there is a space between the radiation source and the object to be measured. A cylindrical vacuum container having a predetermined cross-sectional area and length is disposed, and a filter having a radiation-transmitting hole having an area sufficiently smaller than the cross-sectional area of the vacuum container is provided close to the exit port of the vacuum container, A radiation applied measurement device characterized in that the detection surface of the detector is larger than the range of the intensity distribution of radiation that is formed by passing through the object to be measured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15182689U JPH0390068U (en) | 1989-12-28 | 1989-12-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15182689U JPH0390068U (en) | 1989-12-28 | 1989-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0390068U true JPH0390068U (en) | 1991-09-13 |
Family
ID=31698113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15182689U Pending JPH0390068U (en) | 1989-12-28 | 1989-12-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0390068U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005346661A (en) * | 2004-06-07 | 2005-12-15 | Kg Mark Co Ltd | Information input device |
-
1989
- 1989-12-28 JP JP15182689U patent/JPH0390068U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005346661A (en) * | 2004-06-07 | 2005-12-15 | Kg Mark Co Ltd | Information input device |