JPS6411296B2 - - Google Patents
Info
- Publication number
- JPS6411296B2 JPS6411296B2 JP56020801A JP2080181A JPS6411296B2 JP S6411296 B2 JPS6411296 B2 JP S6411296B2 JP 56020801 A JP56020801 A JP 56020801A JP 2080181 A JP2080181 A JP 2080181A JP S6411296 B2 JPS6411296 B2 JP S6411296B2
- Authority
- JP
- Japan
- Prior art keywords
- detector
- radiation
- absorption
- radiation source
- values
- 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
- 230000005855 radiation Effects 0.000 claims description 75
- 238000007689 inspection Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 description 41
- 230000035945 sensitivity Effects 0.000 description 21
- 230000006870 function Effects 0.000 description 20
- 238000000034 method Methods 0.000 description 20
- 238000012937 correction Methods 0.000 description 17
- 238000005070 sampling Methods 0.000 description 17
- 238000006073 displacement reaction Methods 0.000 description 16
- 238000012545 processing Methods 0.000 description 15
- 230000015654 memory Effects 0.000 description 13
- 238000009826 distribution Methods 0.000 description 11
- 238000003860 storage Methods 0.000 description 9
- 239000013078 crystal Substances 0.000 description 8
- 238000010894 electron beam technology Methods 0.000 description 8
- 230000033001 locomotion Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 230000010354 integration Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 238000012935 Averaging Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005686 electrostatic field Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000004846 x-ray emission Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/44—Constructional features of apparatus for radiation diagnosis
- A61B6/4429—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/44—Constructional features of apparatus for radiation diagnosis
- A61B6/4488—Means for cooling
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
- A61B6/4021—Arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- Radiology & Medical Imaging (AREA)
- Molecular Biology (AREA)
- Biophysics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- High Energy & Nuclear Physics (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB13018/74A GB1497396A (en) | 1974-03-23 | 1974-03-23 | Radiography |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57115239A JPS57115239A (en) | 1982-07-17 |
| JPS6411296B2 true JPS6411296B2 (enrdf_load_stackoverflow) | 1989-02-23 |
Family
ID=10015322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56020801A Granted JPS57115239A (en) | 1974-03-23 | 1981-02-14 | Radioactive ray inspecting apparatus |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS57115239A (enrdf_load_stackoverflow) |
| GB (1) | GB1497396A (enrdf_load_stackoverflow) |
Families Citing this family (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2964915D1 (en) * | 1978-10-24 | 1983-03-31 | Emi Ltd | Computerized tomographic apparatus |
| US8275091B2 (en) | 2002-07-23 | 2012-09-25 | Rapiscan Systems, Inc. | Compact mobile cargo scanning system |
| US7963695B2 (en) | 2002-07-23 | 2011-06-21 | Rapiscan Systems, Inc. | Rotatable boom cargo scanning system |
| GB0309374D0 (en) | 2003-04-25 | 2003-06-04 | Cxr Ltd | X-ray sources |
| US8243876B2 (en) | 2003-04-25 | 2012-08-14 | Rapiscan Systems, Inc. | X-ray scanners |
| US8094784B2 (en) | 2003-04-25 | 2012-01-10 | Rapiscan Systems, Inc. | X-ray sources |
| GB0309371D0 (en) | 2003-04-25 | 2003-06-04 | Cxr Ltd | X-Ray tubes |
| US8451974B2 (en) | 2003-04-25 | 2013-05-28 | Rapiscan Systems, Inc. | X-ray tomographic inspection system for the identification of specific target items |
| US8837669B2 (en) | 2003-04-25 | 2014-09-16 | Rapiscan Systems, Inc. | X-ray scanning system |
| US8223919B2 (en) | 2003-04-25 | 2012-07-17 | Rapiscan Systems, Inc. | X-ray tomographic inspection systems for the identification of specific target items |
| US9208988B2 (en) | 2005-10-25 | 2015-12-08 | Rapiscan Systems, Inc. | Graphite backscattered electron shield for use in an X-ray tube |
| GB0812864D0 (en) | 2008-07-15 | 2008-08-20 | Cxr Ltd | Coolign anode |
| US7949101B2 (en) | 2005-12-16 | 2011-05-24 | Rapiscan Systems, Inc. | X-ray scanners and X-ray sources therefor |
| GB0309383D0 (en) | 2003-04-25 | 2003-06-04 | Cxr Ltd | X-ray tube electron sources |
| GB0309387D0 (en) | 2003-04-25 | 2003-06-04 | Cxr Ltd | X-Ray scanning |
| US8804899B2 (en) | 2003-04-25 | 2014-08-12 | Rapiscan Systems, Inc. | Imaging, data acquisition, data transmission, and data distribution methods and systems for high data rate tomographic X-ray scanners |
| GB0525593D0 (en) | 2005-12-16 | 2006-01-25 | Cxr Ltd | X-ray tomography inspection systems |
| GB0309379D0 (en) | 2003-04-25 | 2003-06-04 | Cxr Ltd | X-ray scanning |
| US10483077B2 (en) | 2003-04-25 | 2019-11-19 | Rapiscan Systems, Inc. | X-ray sources having reduced electron scattering |
| GB0309385D0 (en) | 2003-04-25 | 2003-06-04 | Cxr Ltd | X-ray monitoring |
| US9113839B2 (en) | 2003-04-25 | 2015-08-25 | Rapiscon Systems, Inc. | X-ray inspection system and method |
| US6928141B2 (en) | 2003-06-20 | 2005-08-09 | Rapiscan, Inc. | Relocatable X-ray imaging system and method for inspecting commercial vehicles and cargo containers |
| US7471764B2 (en) | 2005-04-15 | 2008-12-30 | Rapiscan Security Products, Inc. | X-ray imaging system having improved weather resistance |
| US9046465B2 (en) | 2011-02-24 | 2015-06-02 | Rapiscan Systems, Inc. | Optimization of the source firing pattern for X-ray scanning systems |
| GB0803644D0 (en) | 2008-02-28 | 2008-04-02 | Rapiscan Security Products Inc | Scanning systems |
| GB0803641D0 (en) | 2008-02-28 | 2008-04-02 | Rapiscan Security Products Inc | Scanning systems |
| GB0809110D0 (en) | 2008-05-20 | 2008-06-25 | Rapiscan Security Products Inc | Gantry scanner systems |
| GB0816823D0 (en) | 2008-09-13 | 2008-10-22 | Cxr Ltd | X-ray tubes |
| GB0901338D0 (en) | 2009-01-28 | 2009-03-11 | Cxr Ltd | X-Ray tube electron sources |
| US9218933B2 (en) | 2011-06-09 | 2015-12-22 | Rapidscan Systems, Inc. | Low-dose radiographic imaging system |
| WO2014121097A1 (en) | 2013-01-31 | 2014-08-07 | Rapiscan Systems, Inc. | Portable security inspection system |
| US12181422B2 (en) | 2019-09-16 | 2024-12-31 | Rapiscan Holdings, Inc. | Probabilistic image analysis |
| EP3800656A1 (en) * | 2019-10-03 | 2021-04-07 | Koninklijke Philips N.V. | Scattered electron capturing for rotating anode x-ray tubes |
| US11551903B2 (en) | 2020-06-25 | 2023-01-10 | American Science And Engineering, Inc. | Devices and methods for dissipating heat from an anode of an x-ray tube assembly |
-
1974
- 1974-03-23 GB GB13018/74A patent/GB1497396A/en not_active Expired
-
1981
- 1981-02-14 JP JP56020801A patent/JPS57115239A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57115239A (en) | 1982-07-17 |
| GB1497396A (en) | 1978-01-12 |
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