WO1999066345A1 - Panneau de scintillateur et capteur d'image de rayonnement - Google Patents
Panneau de scintillateur et capteur d'image de rayonnement Download PDFInfo
- Publication number
- WO1999066345A1 WO1999066345A1 PCT/JP1999/001911 JP9901911W WO9966345A1 WO 1999066345 A1 WO1999066345 A1 WO 1999066345A1 JP 9901911 W JP9901911 W JP 9901911W WO 9966345 A1 WO9966345 A1 WO 9966345A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- substrate
- scintillator
- image sensor
- film
- scintillator panel
- Prior art date
Links
- 230000005855 radiation Effects 0.000 title claims abstract description 106
- 229910003481 amorphous carbon Inorganic materials 0.000 claims abstract description 3
- 239000000758 substrate Substances 0.000 claims description 67
- 239000010408 film Substances 0.000 claims description 55
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 11
- 238000003384 imaging method Methods 0.000 claims description 9
- 229910052799 carbon Inorganic materials 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 4
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 2
- 239000010409 thin film Substances 0.000 claims description 2
- 235000012745 brilliant blue FCF Nutrition 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- -1 polyparaxylylene Polymers 0.000 description 18
- 229920000052 poly(p-xylylene) Polymers 0.000 description 15
- 238000002834 transmittance Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 8
- 239000011521 glass Substances 0.000 description 6
- 238000005488 sandblasting Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000011324 bead Substances 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 238000001771 vacuum deposition Methods 0.000 description 4
- 238000007740 vapor deposition Methods 0.000 description 4
- 238000005229 chemical vapour deposition Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000005350 fused silica glass Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 125000006839 xylylene group Chemical group 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
-
- 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
-
- 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
- G01T1/202—Measuring radiation intensity with scintillation detectors the detector being a crystal
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/23—Sheet including cover or casing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/23—Sheet including cover or casing
- Y10T428/239—Complete cover or casing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/30—Self-sustaining carbon mass or layer with impregnant or other layer
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31—Surface property or characteristic of web, sheet or block
Definitions
- the present invention relates to a scintillator panel and a radiation image sensor used for medical X-ray photography and the like. Background art
- X-ray sensitive films have been used in the past, but radiation imaging systems using radiation detectors have become widespread in terms of convenience and preservation of imaging results.
- pixel data based on two-dimensional radiation is acquired as an electric signal by a radiation detector, and this signal is processed by a processing device and displayed on a monitor.
- a radiation detector having a structure in which a scintillator panel in which a scintillator panel is formed on a substrate made of aluminum, glass, fused quartz, or the like and an image sensor are occupied by a shell.
- this radiation detector radiation incident from the substrate side is converted into light in a short time and detected by an image pickup device (see Japanese Patent Publication No. 7-215650).
- low-energy X-rays are used in medical radiation detectors, especially for dental examinations.Therefore, when an aluminum substrate is used, a considerable amount of X-ray components absorbed by the substrate are present. Was. Therefore, in a radiation detector using low-energy X-rays, it is desirable that the substrate of the scintillator panel has a high radiation transmittance.
- the present invention provides a scintillator panel whose light output is increased by assuming that the substrate of the scintillator panel has a high radiation transmittance, and uses the scintillator panel whose light output is increased.
- the purpose is to provide a radiation image sensor And Disclosure of the invention
- a scintillator panel includes a substrate containing carbon as a main component, a scintillator deposited on the substrate, and a protective film covering the scintillator.
- the carbon-based substrate since the carbon-based substrate has a high radiation transmittance, the radiation absorbed by the substrate can be reduced and the radiation reaching the evening can be increased. Can be.
- a radiation image sensor includes a scintillator panel having a carbon-based substrate, a scintillator deposited on the substrate, and a protective film covering the scintillator panel.
- An image sensor is arranged so as to face.
- the amount of light reaching the image sensor can be increased because the scintillating light panel has a substrate mainly composed of carbon having a high radiation transmittance.
- FIG. 1 is a cross-sectional view of a scintillator panel according to the first embodiment.
- FIG. 2 is a cross-sectional view of the radiation image sensor according to the first embodiment.
- FIG. 3A is a diagram showing a manufacturing step of the scintillation overnight panel according to the first embodiment.
- FIG. 3B is a diagram showing a step of manufacturing the scintillator panel according to the first embodiment.
- FIG. 3C is a diagram showing a manufacturing step of the scintillation overnight panel according to the first embodiment.
- FIG. 3D is a diagram showing a step of manufacturing the scintillator panel according to the first embodiment.
- FIG. 4 is a cross-sectional view of a scintillator panel according to the second embodiment.
- FIG. 5 is a cross-sectional view of the radiation image sensor according to the second embodiment.
- FIG. 6 is a cross-sectional view of a scintillator panel according to the third embodiment.
- FIG. 7 is a cross-sectional view of the radiation image sensor according to the third embodiment.
- FIG. 8 is a cross-sectional view of a scintillator panel according to the fourth embodiment.
- FIG. 9 is a cross-sectional view of the radiation image sensor according to the fourth embodiment.
- FIG. 10 is a diagram showing a result of comparing the output of the radiation image sensor according to the first to fourth embodiments with the output of a conventional radiation image sensor.
- FIG. 1 is a cross-sectional view of the scintillator panel 1
- FIG. 2 is a cross-sectional view of the radiation image sensor 2.
- the surface of the substrate 10 made of amorphous carbon (a-C) (glass or carbon-like carbon) of the scintillator panel 1 is subjected to sandblasting.
- a-C amorphous carbon
- A1 film 12 is formed as a light reflection film.
- a scintillator 14 having a columnar structure for converting incident radiation into visible light is formed.
- T 1 -doped C s I is used for the scintillation 14.
- the scintillator 14 is covered with a polyparaxylylene film 16 together with the substrate 10.
- the radiation image sensor 2 has a structure in which an image pickup device 18 is attached to the front end side of the scintillator panel 14 of the scintillator panel 1.
- an image pickup device 18 is attached to the front end side of the scintillator panel 14 of the scintillator panel 1.
- a rectangular or circular a-C substrate 10 thicknessickness l mm
- sand blasting is performed using glass beads (# 800). By this sandblasting, fine irregularities are formed on the surface of the substrate 10 (see FIG. 3A).
- an A1 film 12 as a light reflection film is formed on one surface of the substrate 10 to a thickness of 10 O nm by a vacuum evaporation method (see FIG. 3B).
- a columnar crystal of CsI doped with T1 is grown on the surface of the A1 film 12 by vapor deposition to form a scintillator layer 14 with a thickness of 250 ⁇ m (Fig. 3C reference).
- a xylylene film 16 is formed. That is, the substrate 10 on which the scintillation layer 14 is formed is put into a CVD apparatus, and a polyparaxylylene film 16 is formed to a thickness of 10 ⁇ m. As a result, a polyparaxylylene film 16 is formed on the entire surface of the scintillator 14 and the substrate 10 (see FIG. 3D). Since fine irregularities are formed on the surface of the substrate 10 by sandplast treatment, the adhesion between the polyparaxylylene film 16 and the substrate 10 can be improved, and the polyparaxylylene film 16 Peeling can be prevented.
- the radiation image sensor 2 is manufactured by attaching a light receiving portion of an image pickup device (CCD) 18 to a front end portion of the scintillator 14 of the completed scintillation panel 1 so as to face the same ( See Figure 2).
- CCD image pickup device
- the radiation incident from the substrate 10 side is converted into light by the scintillator 14 and detected by the imaging device 18 c .
- the substrate 10 has a high radiation transmittance, the amount of radiation absorbed by the substrate 10 can be reduced, and the amount of radiation reaching the scintillator 14 can be increased.
- the A1 film 12 is provided as a light reflection film, the light incident on the light receiving portion of the image pickup device 18 can be increased, and the image detected by the radiation image sensor can be sharpened. be able to.
- FIG. 10 shows the tube voltage of 40 KV, 50 KV, 60 K
- FIG. 9 shows a result of comparing the output of the radiation image sensor 2 with the output of a conventional radiation image sensor when the X-ray generated by applying KV is detected by the radiation image sensor 2.
- FIG. That is, if the output of 100% of X-rays generated by applying a tube voltage of 40 KV to a half-wave rectifying X-ray tube with a conventional radiation image sensor is 100%, the radiation image sensor 2 detects The output increases to 260% when the X-rays generated by applying 50 KV as the tube voltage are detected by a conventional radiation image sensor, and the output is assumed to be 100%.
- the output when detected by image sensor 2 increases to 230%, and the output when X-rays generated by applying a tube voltage of 60 KV are detected by a conventional radiation image sensor is 100%. Then, the output when detected by the radiation image sensor 2 has increased to 220%.
- FIG. 4 is a cross-sectional view of the scintillator panel 3
- FIG. 5 is a cross-sectional view of the radiation image sensor 4.
- the surface of the a-C substrate 10 of the scintillating light emitting panel 3 is subjected to sandblasting, and an A1 film 12 as a reflection film is formed on one surface. Have been.
- a scintillator 14 having a columnar structure for converting incident radiation into visible light is formed on the surface of the LiF film 22 .
- the scintillator 14 is covered with a substrate 10 and a polyparaxylylene film 16.
- the radiation image sensor 4 has a structure in which an image sensor 18 is attached to the scintillator panel 14 side of the scintillator panel 3.
- the manufacturing process of the scintillator panel 3 will be described.
- the surface of a rectangular or circular a-C substrate 10 (thickness: 1 mm) is subjected to sand blasting using glass beads (# 800), and the surface of the substrate 10 is finely divided. Form irregularities.
- an A1 film 12 as a reflective film is formed on one surface of the substrate 10 with a thickness of 100 nm by a vacuum evaporation method, and an L1 film as a low refractive index material is formed on the A1 film 12.
- An iF film 22 is formed with a thickness of 100 nm by a vacuum evaporation method.
- columnar crystals of CsI in which T1 is doped are grown on the surface of the LiF film 22 by vapor deposition to form scintillation layers 14 having a thickness of 250 m.
- a polyparaxylylene film 16 having a thickness of 1 is formed by a CVD method. As a result, a polyparaxylylene film 16 is formed on the entire surface of the scintillator 14 and the substrate 10.
- the radiation image sensor 4 is manufactured by sticking the light receiving section of the image sensor (CCD) 18 to the end of the scintillating screen 14 of the completed scintillating screen panel 3 so as to face it (FIG. 5). reference).
- the radiation incident from the substrate 10 side is converted into light by the scintillator 14 and detected by the imaging device 18.
- the substrate 10 made of a—C has a high radiation transmittance, the amount of radiation absorbed by the substrate 10 can be reduced, and the amount of radiation reaching the scintillator 14 can be increased. it can.
- the A1 film 12 as a reflection film and the LIF film 22 as a low-refractive-index material are provided, light incident on the light receiving portion of the image sensor 18 can be increased, and the radiation image sensor Thus, the detected image can be sharpened.
- the output when the conventional radiation image sensor detects X-rays generated by applying 40 KV as a tube voltage to the X-ray tube for half-wave rectification is 100%. Then, the output when detected by the radiation image sensor 4 increases to 300%, and the output when the conventional radiation image sensor detects X-rays generated by applying 50 KV as the tube voltage is 1 If 0%, radiation image sensor 4 If the output when detecting X-rays generated by applying a tube voltage of 60 KV with a conventional radiation image sensor is assumed to be 100%, The output when detected by the image sensor 4 has increased to 260%.
- FIG. 6 is a cross-sectional view of the scintillator panel 5
- FIG. 7 is a cross-sectional view of the radiation image sensor 6.
- FIG. 6 the surface of the substrate 10 made of a—C of the scintillator panel 5 has been subjected to sandblasting, and one surface has a LiF film (light transmission) as a low refractive index material. 22) are formed.
- a scintillator 14 having a columnar structure for converting incident radiation into visible light is formed on the surface of the LiF film 22 .
- T 1 -doped CsI is used for scintillation overnight 14.
- the scintillator 14 is covered with a substrate 10 and a polyparaxylylene film 16.
- the radiation image sensor 6 has a structure in which an imaging element 18 is attached to the tip of the scintillator panel 14 of the scintillator panel 5.
- a manufacturing process of the scintillator panel 5 will be described. First, the surface of a rectangular or circular a-C substrate 10 (thickness: 1 mm) is subjected to sand-plasting using glass beads (# 800), and the surface of the substrate 10 is finely divided. Form irregularities. Next, a LiF film 22 as a low refractive index material is formed on one surface of the substrate 10 to a thickness of 100 nm by a vacuum evaporation method.
- the radiation image sensor 6 is manufactured by attaching a light-receiving portion of an image pickup device (CCD) 18 to a front end portion of the scintillator panel 14 of the completed scintillator panel 5 so as to face the same (see FIG. 7).
- CCD image pickup device
- the radiation incident from the substrate 1 side 0 scintillator Isseki 1 4 detected by the image pickup device 1 8 is converted into light c of a- made C in this case Since the substrate 10 has a high radiation transmittance, the amount of radiation absorbed by the substrate 10 can be reduced, and the amount of radiation reaching the scintillator 14 can be increased.
- the L i F film 22 as a low refractive index material is provided, light that satisfies the condition of total reflection at the interface between the scintillator 14 and the L i F film 22 is reflected to the output side. The light incident on the light receiving portion of the image sensor 18 can be increased, and the image detected by the radiation image sensor can be sharpened.
- the output when a conventional radiation image sensor detects X-rays generated by applying 40 KV as a tube voltage to the X-ray tube for half-wave rectification is 100. %
- the output when detected by the radiation image sensor 6 increases to 220%, and the X-rays generated by applying 50 KV as the tube voltage are detected by the conventional radiation image sensor.
- the output is 100%
- the output when detected by the radiation image sensor 6 increases to 200%, and X-rays generated by applying a tube voltage of 60 KV are detected by the conventional radiation image sensor. Assuming that the output in this case is 100%, the output when detected by the radiation image sensor 6 has increased to 190%.
- FIG. 8 is a cross-sectional view of the scintillator panel 7, and FIG. FIG. As shown in FIG. 8, one surface and a side surface of the substrate 10 made of a—C of the scintillator panel 7 are subjected to a sand blast treatment, and the other surface is subjected to a mirror surface treatment.
- a columnar scintillator which converts incident radiation into visible light, is formed.
- T 1 -doped C sl is used for the scintillation 14.
- the scintillating light 14 is covered with the substrate 10 and the polyparaxylylene film 16.
- the radiation image sensor 8 has a structure in which an imaging element 18 is attached to a front end portion of the scintillation panel 14 of the scintillation panel 8.
- the manufacturing process of the scintillator panel 7 will be described. First, one surface and side surfaces of a rectangular or circular a-C substrate 10 are subjected to sand-plasting using glass beads (# 800) to form fine irregularities on the surface of the substrate 10. Form. Further, the other surface of the substrate 10 is subjected to mirror finishing.
- the radiation image sensor 8 is manufactured by attaching a light receiving section of an image sensor (CCD) 18 to a front end side of the scintillator 14 of the completed scintillator panel 7 so as to face the same (FIG. 9). reference).
- CCD image sensor
- the radiation incident from the substrate 10 side is converted into light by the scintillator 14 and detected by the imaging device 18.
- the substrate 10 made of a—C has a high radiation transmittance, the amount of radiation absorbed by the substrate 10 can be reduced, and the amount of radiation reaching the scintillator 14 can be increased. Increase the light incident on the light-receiving part of the image sensor 18 The image detected by the radiation image sensor 8 can be sharpened.
- a substrate made of AC is used, but a substrate made of graphite may be used. Since the graphite substrate has a high radiation transmittance like the a-C substrate, the amount of radiation reaching the scintillation can be increased as in the case of using the a-C substrate. it can.
- L i F film Iteiru use the force L i F, M g F 2 , C a F 2, S I_ ⁇ 2, A 1 2 0 3, It may be a film made of a material containing a substance in the group consisting of Mg 0, Na C 1, KB r, KC 1 and Ag C 1.
- Cs I (T 1) is used as scintillation light 14.
- the present invention is not limited to this, and C si (Na), Na l (T l), L i I (E u), KI (T 1), etc. may be used.
- polyparaxylylene includes, in addition to polyparaxylylene, polymonoclox paraxylylene, polydichloroparaxylylene, polytetraclox paraxylylene, polyfluoroparaxylylene, polydimethylparaxylylene, polydiethyl Including paraxylylene.
- the scintillator panel of the present invention since the substrate containing carbon as a main component has a high radiation transmittance, the radiation amount absorbed by the substrate can be reduced, and the radiation amount reaching the scintillator panel can be reduced. Can be increased.
- the scintillator panel since the scintillator panel has the substrate whose main component is carbon having high radiation transmittance, the amount of light reaching the image sensor can be increased.
- the scintillator panel and the radiation image sensor of the present invention are suitable for use in medical X-ray photography and the like.
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- Spectroscopy & Molecular Physics (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Measurement Of Radiation (AREA)
- Conversion Of X-Rays Into Visible Images (AREA)
- Solid State Image Pick-Up Elements (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
- Light Receiving Elements (AREA)
- Luminescent Compositions (AREA)
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU31680/99A AU3168099A (en) | 1998-06-18 | 1999-04-09 | Scintillator panel and radiation image sensor |
CA002310017A CA2310017C (en) | 1998-06-18 | 1999-04-09 | Scintillator panel and radiation image sensor |
JP2000555111A JP3566926B2 (ja) | 1998-06-18 | 1999-04-09 | シンチレータパネル及び放射線イメージセンサ |
EP99913616A EP1024374B1 (en) | 1998-06-18 | 1999-04-09 | Scintillator panel and radiation image sensor |
DE69901871T DE69901871T2 (de) | 1998-06-18 | 1999-04-09 | Szintillatorpaneel und strahlungsbildsensor |
US09/560,911 US6531225B1 (en) | 1998-06-18 | 2000-04-28 | Scintillator panel and radiation image sensor |
US10/225,416 US6849336B2 (en) | 1998-06-18 | 2002-08-22 | Scintillator panel and radiation image sensor |
US10/629,820 US7112801B2 (en) | 1998-06-18 | 2003-07-30 | Scintillator panel and radiation image sensor |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17119198 | 1998-06-18 | ||
JP10/171191 | 1998-06-18 | ||
JP17119098 | 1998-06-18 | ||
JP10/171190 | 1998-06-18 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/560,911 Continuation-In-Part US6531225B1 (en) | 1998-06-18 | 2000-04-28 | Scintillator panel and radiation image sensor |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999066345A1 true WO1999066345A1 (fr) | 1999-12-23 |
Family
ID=26493987
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1999/001911 WO1999066345A1 (fr) | 1998-06-18 | 1999-04-09 | Panneau de scintillateur et capteur d'image de rayonnement |
Country Status (9)
Country | Link |
---|---|
US (3) | US6531225B1 (ja) |
EP (3) | EP1024374B1 (ja) |
JP (4) | JP3566926B2 (ja) |
KR (2) | KR100581102B1 (ja) |
CN (2) | CN1154853C (ja) |
AU (1) | AU3168099A (ja) |
CA (2) | CA2310017C (ja) |
DE (2) | DE69901871T2 (ja) |
WO (1) | WO1999066345A1 (ja) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1176808A2 (en) * | 2000-07-27 | 2002-01-30 | Canon Kabushiki Kaisha | Image sensing apparatus |
JPWO2002023219A1 (ja) * | 2000-09-11 | 2004-03-18 | 浜松ホトニクス株式会社 | シンチレータパネル、放射線イメージセンサおよびそれらの製造方法 |
US6753531B2 (en) | 1999-04-09 | 2004-06-22 | Hamamatsu Photonics K.K. | Scintillator panel and radiation image sensor |
US7019302B2 (en) | 2000-08-03 | 2006-03-28 | Hamamatsu Photonics K.K. | Radiation detector, scintillator panel, and methods for manufacturing same |
US7034306B2 (en) | 1998-06-18 | 2006-04-25 | Hamamatsu Photonics K.K. | Scintillator panel and radiation image sensor |
WO2008018277A1 (fr) * | 2006-08-08 | 2008-02-14 | Konica Minolta Medical & Graphic, Inc. | DÉTECTEUR de panneau plat |
US7358500B2 (en) | 2004-12-20 | 2008-04-15 | Hamamatsu Photonics K.K. | Radiation detection by dual-faced scintillation |
WO2008111379A1 (ja) * | 2007-03-13 | 2008-09-18 | Konica Minolta Medical & Graphic, Inc. | シンチレータパネル及び放射線フラットパネルディテクター |
US7663110B2 (en) | 2007-02-26 | 2010-02-16 | Konica Minolta Medical & Graphic, Inc. | Scintillator panel and flat-panel radiation detector |
US7700924B2 (en) | 2003-03-10 | 2010-04-20 | Hamamatsu Photonics K.K. | Scintillator element, scintillator unit, and radiation detector using the same |
USRE42281E1 (en) | 2000-09-11 | 2011-04-12 | Hamamatsu Photonics K.K. | Scintillator panel, radiation image sensor and methods of producing them |
JP2011128034A (ja) * | 2009-12-18 | 2011-06-30 | Toshiba Corp | 放射線検出器およびシンチレータパネル |
JP2013522623A (ja) * | 2010-03-14 | 2013-06-13 | ラピスカン システムズ、インコーポレイテッド | 多重スクリーン検出システム |
Families Citing this family (57)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999066345A1 (fr) * | 1998-06-18 | 1999-12-23 | Hamamatsu Photonics K.K. | Panneau de scintillateur et capteur d'image de rayonnement |
EP1862821A1 (en) * | 1999-04-09 | 2007-12-05 | Hamamatsu Photonics K.K. | Scintillator panel and radiation ray image sensor |
DE60024644T2 (de) * | 1999-04-16 | 2006-08-17 | Hamamatsu Photonics K.K., Hamamatsu | Szintillatorpanel und strahlungsbildsensor |
JP2002181997A (ja) * | 2000-12-14 | 2002-06-26 | Fuji Photo Film Co Ltd | 放射線像変換パネルおよび放射線画像情報読取方法 |
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