CA1052012A - Ecretage pour ligne a retard dans un systeme de cameras a scintillations - Google Patents
Ecretage pour ligne a retard dans un systeme de cameras a scintillationsInfo
- Publication number
- CA1052012A CA1052012A CA228,853A CA228853A CA1052012A CA 1052012 A CA1052012 A CA 1052012A CA 228853 A CA228853 A CA 228853A CA 1052012 A CA1052012 A CA 1052012A
- Authority
- CA
- Canada
- Prior art keywords
- radiation
- data
- line
- pulse
- signal
- 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
- 230000008878 coupling Effects 0.000 claims abstract description 25
- 238000010168 coupling process Methods 0.000 claims abstract description 25
- 238000005859 coupling reaction Methods 0.000 claims abstract description 25
- 230000005855 radiation Effects 0.000 claims description 47
- 238000012545 processing Methods 0.000 claims description 17
- 230000004044 response Effects 0.000 claims description 14
- 238000007493 shaping process Methods 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 10
- 230000007246 mechanism Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 4
- 230000003750 conditioning effect Effects 0.000 claims 3
- 230000003247 decreasing effect Effects 0.000 claims 2
- 230000006335 response to radiation Effects 0.000 claims 2
- 239000003990 capacitor Substances 0.000 abstract description 19
- 238000007599 discharging Methods 0.000 abstract 1
- 239000013078 crystal Substances 0.000 description 12
- 239000011159 matrix material Substances 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 230000005251 gamma ray Effects 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 230000002285 radioactive effect Effects 0.000 description 2
- 229910052716 thallium Inorganic materials 0.000 description 2
- -1 thallium activated sodium iodide Chemical class 0.000 description 2
- PNDPGZBMCMUPRI-HVTJNCQCSA-N 10043-66-0 Chemical compound [131I][131I] PNDPGZBMCMUPRI-HVTJNCQCSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- QXAITBQSYVNQDR-UHFFFAOYSA-N amitraz Chemical compound C=1C=C(C)C=C(C)C=1N=CN(C)C=NC1=CC=C(C)C=C1C QXAITBQSYVNQDR-UHFFFAOYSA-N 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004958 nuclear spectroscopy Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 210000001685 thyroid gland Anatomy 0.000 description 1
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
- G01T1/16—Measuring radiation intensity
- G01T1/161—Applications in the field of nuclear medicine, e.g. in vivo counting
- G01T1/164—Scintigraphy
- G01T1/1641—Static instruments for imaging the distribution of radioactivity in one or two dimensions using one or several scintillating elements; Radio-isotope cameras
- G01T1/1642—Static instruments for imaging the distribution of radioactivity in one or two dimensions using one or several scintillating elements; Radio-isotope cameras using a scintillation crystal and position sensing photodetector arrays, e.g. ANGER cameras
-
- 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
- A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
- A61B6/4208—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector
- A61B6/4258—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector for detecting non x-ray radiation, e.g. gamma radiation
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Nuclear Medicine (AREA)
- Measurement Of Radiation (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US47820074A | 1974-06-11 | 1974-06-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1052012A true CA1052012A (fr) | 1979-04-03 |
Family
ID=23898931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA228,853A Expired CA1052012A (fr) | 1974-06-11 | 1975-06-09 | Ecretage pour ligne a retard dans un systeme de cameras a scintillations |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS5111487A (fr) |
| CA (1) | CA1052012A (fr) |
| DE (1) | DE2525832A1 (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4057727A (en) * | 1976-10-22 | 1977-11-08 | G. D. Searle & Co. | Positron imaging system with improved count rate and tomographic capability |
-
1975
- 1975-06-09 CA CA228,853A patent/CA1052012A/fr not_active Expired
- 1975-06-10 JP JP7010675A patent/JPS5111487A/ja active Pending
- 1975-06-10 DE DE19752525832 patent/DE2525832A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5111487A (ja) | 1976-01-29 |
| DE2525832A1 (de) | 1976-01-02 |
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