JP7204920B2 - 反射体を有する放射線検出装置 - Google Patents
反射体を有する放射線検出装置 Download PDFInfo
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- 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
- G01T1/20—Measuring radiation intensity with scintillation detectors
- G01T1/2002—Optical details, e.g. reflecting or diffusing layers
-
- 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
- G01T1/20—Measuring radiation intensity with scintillation detectors
- G01T1/2018—Scintillation-photodiode combinations
-
- 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
- G01T1/20—Measuring radiation intensity with scintillation detectors
- G01T1/2018—Scintillation-photodiode combinations
- G01T1/20188—Auxiliary details, e.g. casings or cooling
- G01T1/20189—Damping or insulation against damage, e.g. caused by heat or pressure
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Description
Claims (14)
- 放射線検出装置であって、
放射線を吸収することに応答して、シンチレーション光を放出するためのシンチレータと、
前記シンチレーション光を受け取ることに応答して、電子パルスを生成するための光センサであって、前記光センサが、第1の平面の上にある、光センサと、
前記光センサの周囲に隣接する反射体であって、前記反射体が、前記光センサを取り囲み、前記反射体が、前記第1の平面の上にある、反射体と、
前記シンチレータ、前記光センサ、および前記反射体を収容するハウジングと、を備え、
前記シンチレータは、前記ハウジング内の部材によって、前記光センサおよび前記反射体から隔てられている、放射線検出装置。 - 前記反射体が、配線板の上に配置されており、前記光センサが、前記配線板に結合されており、前記反射体が、前記配線板の表面積の少なくとも50%を被覆する、請求項1に記載の放射線検出装置。
- 前記装置が、0.1%~1.9%のデルタパルス高さ分解能を有する、請求項1に記載の放射線検出装置。
- 前記シンチレータが、臭化ランタンの材料を含み、前記装置が、0.1%~1.0%のデルタパルス高さ分解能を有する、請求項1に記載の放射線検出装置。
- 前記シンチレータが、NaI(Tl)の材料を含み、前記装置が、0.4%~0.6%のデルタパルス高さ分解能を有する、請求項1に記載の放射線検出装置。
- 前記シンチレータが、NaI(Tl+Li)の材料を含み、前記装置が、0.6%~1.9%のデルタパルス高さ分解能を有する、請求項1に記載の放射線検出装置。
- 放射線検出装置であって、
放射線を吸収することに応答して、シンチレーション光を放出するためのシンチレータと、
前記シンチレーション光を受け取ることに応答して、電子パルスを生成するための光センサであって、前記光センサが、前記シンチレータの70%未満である表面積を有し、前記光センサが、第1の平面の上にある、光センサと、
前記光センサの周囲に隣接する反射体であって、前記反射体が、前記第1の平面の上にある、反射体と、
前記シンチレータ、前記光センサ、および前記反射体を収容するハウジングと、を備え、
前記シンチレータは、前記ハウジング内の部材によって、前記光センサおよび前記反射体から隔てられている、放射線検出装置。 - 前記光センサが、少なくとも1つのシリコン光電子増倍管(SiPM)を含む、請求項7に記載の放射線検出装置。
- 前記反射体が、配線板の表面積の少なくとも95%を被覆する、請求項7に記載の放射線検出装置。
- パルス高さ分解能が、Cs-137同位元素662keVに対して7.5%未満である、請求項7に記載の放射線検出装置。
- パルス高さ分解能が、Cs-137同位元素662keVに対して7.2%未満である、請求項7に記載の放射線検出装置。
- パルス高さ分解能が、Cs-137同位元素662keVに対して7%未満である、請求項7に記載の放射線検出装置。
- パルス高さ分解能が、Cs-137同位元素662keVに対して1%~7.5%である、請求項7に記載の放射線検出装置。
- 放射線検出装置を使用する方法であって、
シンチレータ、光センサ、および前記光センサと同じ平面の上に反射体を収容するハウジングを提供することであって、
前記シンチレータが、放射線を吸収することに応答して、シンチレーション光を放出するように構成され、
前記光センサが、前記シンチレーション光を受け取ることに応答して、電子パルスを生成するように構成され、
前記反射体が、前記シンチレーション光を前記光センサに方向付けするように構成され、
前記シンチレータが、前記ハウジング内の部材によって、前記光センサおよび前記反射体から隔てられている、提供することと、
Cs-137同位元素662keVに対して7.5%未満のパルス高さ分解能を生成することと、を含む、方法。
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US201862773358P | 2018-11-30 | 2018-11-30 | |
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PCT/US2019/063858 WO2020113167A1 (en) | 2018-11-30 | 2019-11-29 | Radiation detection apparatus having a reflector |
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EP (1) | EP3887867A4 (ja) |
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WO (1) | WO2020113167A1 (ja) |
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JP7000570B2 (ja) | 2017-10-24 | 2022-01-20 | サン-ゴバン セラミックス アンド プラスティクス,インコーポレイティド | ハウジング内に分析器を有する放射線検出装置及びその使用方法 |
CN113167916A (zh) * | 2018-11-30 | 2021-07-23 | 圣戈本陶瓷及塑料股份有限公司 | 具有反射器的辐射探测装置 |
GB201918337D0 (en) * | 2019-12-12 | 2020-01-29 | Kromek Ltd | Scintillation detector |
US12032106B2 (en) * | 2021-04-01 | 2024-07-09 | Varex Imaging Corporation | X-ray detectors with plastic housings |
EP4086665A1 (en) * | 2021-05-05 | 2022-11-09 | Soletanche Freyssinet | Response function of a scintillator |
WO2023068396A1 (ko) * | 2021-10-20 | 2023-04-27 | 주식회사 제이에스테크윈 | 실시간 개인 피폭선량 모니터링 시스템 |
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