CA2293497A1 - X-ray detection system using active pixel sensors - Google Patents

X-ray detection system using active pixel sensors Download PDF

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Publication number
CA2293497A1
CA2293497A1 CA002293497A CA2293497A CA2293497A1 CA 2293497 A1 CA2293497 A1 CA 2293497A1 CA 002293497 A CA002293497 A CA 002293497A CA 2293497 A CA2293497 A CA 2293497A CA 2293497 A1 CA2293497 A1 CA 2293497A1
Authority
CA
Canada
Prior art keywords
active pixel
pixel sensors
detection system
ray detection
converts
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.)
Granted
Application number
CA002293497A
Other languages
French (fr)
Other versions
CA2293497C (en
Inventor
David B. Schick
Daniel A. Neugroschl
David B. Plass
Jonathan Singer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sirona Dental Inc
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2293497A1 publication Critical patent/CA2293497A1/en
Application granted granted Critical
Publication of CA2293497C publication Critical patent/CA2293497C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • G01T1/29—Measurement performed on radiation beams, e.g. position or section of the beam; Measurement of spatial distribution of radiation
    • G01T1/2914—Measurement of spatial distribution of radiation
    • G01T1/2921—Static instruments for imaging the distribution of radioactivity in one or two dimensions; Radio-isotope cameras
    • G01T1/2928—Static instruments for imaging the distribution of radioactivity in one or two dimensions; Radio-isotope cameras using solid state 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
    • G01T1/2018—Scintillation-photodiode combinations
    • G01T1/20184—Detector read-out circuitry, e.g. for clearing of traps, compensating for traps or compensating for direct hits
    • 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
    • G01T1/20185—Coupling means between the photodiode and the scintillator, e.g. optical couplings using adhesives with wavelength-shifting fibres
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/30—Transforming light or analogous information into electric information
    • H04N5/32—Transforming X-rays

Abstract

An x-ray detector includes a scintillator (4) that converts an x-ray image into a visible light image and a sensor array (5) that converts the visible light image into an electrical signal. The sensor array comprises a plurality of CMOS active pixel sensors.
CA002293497A 1997-06-06 1998-06-05 X-ray detection system using active pixel sensors Expired - Lifetime CA2293497C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/870,381 1997-06-06
US08/870,381 US5912942A (en) 1997-06-06 1997-06-06 X-ray detection system using active pixel sensors
PCT/US1998/011665 WO1998056214A1 (en) 1997-06-06 1998-06-05 X-ray detection system using active pixel sensors

Publications (2)

Publication Number Publication Date
CA2293497A1 true CA2293497A1 (en) 1998-12-10
CA2293497C CA2293497C (en) 2006-11-28

Family

ID=25355262

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002293497A Expired - Lifetime CA2293497C (en) 1997-06-06 1998-06-05 X-ray detection system using active pixel sensors

Country Status (6)

Country Link
US (2) US5912942A (en)
EP (2) EP0986938B1 (en)
JP (1) JP2002505002A (en)
AU (1) AU7726298A (en)
CA (1) CA2293497C (en)
WO (1) WO1998056214A1 (en)

Families Citing this family (95)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2763399B1 (en) * 1997-05-16 1999-06-18 Commissariat Energie Atomique DIGITAL RADIOGRAPHY DEVICE WITH PROTECTION AGAINST ELECTRICAL RISKS
EP0904734A3 (en) * 1997-09-30 2000-03-29 Kabushikikaisha Morita Seisakusho Panoramic radiographic apparatus and digital sensor cassette used for same apparatus
GB2330688B (en) * 1997-10-21 2002-10-02 Eev Ltd Solid state imagers
WO1999030486A2 (en) * 1997-12-10 1999-06-17 Koninklijke Philips Electronics N.V. Forming an assembled image from successive x-ray images
US5978444A (en) * 1997-12-30 1999-11-02 The United States Of America As Represented By The United States Department Of Energy Direct detection of x-rays for protein crystallography employing a thick, large area CCD
WO1999043152A2 (en) * 1998-02-23 1999-08-26 Koninklijke Philips Electronics N.V. X-ray examination apparatus including exposure control
US6134298A (en) * 1998-08-07 2000-10-17 Schick Technologies, Inc. Filmless dental radiography system using universal serial bus port
JP3445166B2 (en) * 1998-08-26 2003-09-08 富士写真フイルム株式会社 Radiation image detector
DE60033027T2 (en) * 1999-05-25 2007-05-16 Gendex Corp. DENTAL X-RAY EQUIPMENT
JP2001042042A (en) * 1999-07-27 2001-02-16 Canon Inc Image pickup device
WO2001018564A1 (en) * 1999-09-08 2001-03-15 Suni Imaging Microsystems, Inc. Digital x-ray imaging device
WO2001028298A1 (en) 1999-10-08 2001-04-19 Dentsply International Inc. Automatic exposure control for dental panoramic and cephalographic x-ray equipment
US6648552B1 (en) * 1999-10-14 2003-11-18 Bechtel Bwxt Idaho, Llc Sensor system for buried waste containment sites
US8126112B2 (en) * 1999-12-01 2012-02-28 Massie Ronald E Osseo classification system and method
US6381301B1 (en) 1999-12-01 2002-04-30 Ronald E. Massie Dental and orthopedic densitometry modeling system and method
US8073101B2 (en) * 1999-12-01 2011-12-06 Massie Ronald E Digital modality modeling for medical and dental applications
US6944262B2 (en) * 1999-12-01 2005-09-13 Massie Ronald E Dental and orthopedic densitometry modeling system and method
DE60110206T2 (en) * 2000-02-02 2006-03-09 Gendex Corp. AUTOMATIC DETECTION OF X-RAY RADIATION FOR INTERORAL DENTAL X-RAY RECORDING DEVICE
DE10009954A1 (en) * 2000-03-02 2001-09-13 Siemens Ag Planar image detector for X-ray diagnostic installations, generates control signal for exposure control based on radiation attenuated by examination subject, using X-ray sensor arranged next to active area
US6320934B1 (en) * 2000-06-26 2001-11-20 Afp Imaging Corporation Sensor characterization in memory
US6404854B1 (en) * 2000-06-26 2002-06-11 Afp Imaging Corporation Dental x-ray imaging system
US6307915B1 (en) 2000-06-26 2001-10-23 Afp Imaging Corporation Triggering of solid state X-ray imagers with non-destructive readout capability
US6717151B2 (en) * 2000-07-10 2004-04-06 Canon Kabushiki Kaisha Image pickup apparatus
KR20010008151A (en) * 2000-11-13 2001-02-05 정두락 Digital X-Ray sensor interfaceboard for USB
US6457861B1 (en) * 2000-11-15 2002-10-01 Ge Medical Systems Global Technology Company, Llc Method and apparatus for correcting electronic offset and gain variations in a solid state X-ray detector
DE10063907A1 (en) * 2000-12-21 2002-07-04 Philips Corp Intellectual Pty Detector for detecting electromagnetic radiation
US6393097B1 (en) * 2000-12-22 2002-05-21 Ge Medical Systems Global Technology Company, Llc Digital detector method for dual energy imaging
WO2003010556A2 (en) * 2001-07-25 2003-02-06 Dentsply International Inc. Real-time digital x-ray imaging apparatus
US6823044B2 (en) * 2001-11-21 2004-11-23 Agilent Technologies, Inc. System for collecting multiple x-ray image exposures of a sample using a sparse configuration
US7122804B2 (en) * 2002-02-15 2006-10-17 Varian Medical Systems Technologies, Inc. X-ray imaging device
AU2003261200A1 (en) * 2002-07-25 2004-02-25 Dentsply International Inc. Real-time digital x-ray imaging apparatus and method
US6763083B2 (en) 2002-08-30 2004-07-13 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Article screening system
US6972411B2 (en) * 2002-10-03 2005-12-06 Schick Technologies, Inc. Method of event detection for intraoral image sensor
US7072443B2 (en) * 2002-10-03 2006-07-04 Schick Technologies, Inc. Intraoral image sensor
JP4191459B2 (en) * 2002-11-26 2008-12-03 浜松ホトニクス株式会社 Radiation imaging device
US6908307B2 (en) 2003-02-03 2005-06-21 Schick Technologies Dental camera utilizing multiple lenses
US7126724B2 (en) 2003-03-11 2006-10-24 Kodak Graphic Communications Canada Company Flexographic printing
WO2004084730A2 (en) * 2003-03-24 2004-10-07 Kaltenbach & Voigt Gmbh & Co. Kg Intraoral x-ray sensor
US7279120B2 (en) 2003-09-04 2007-10-09 Intematix Corporation Doped cadmium tungstate scintillator with improved radiation hardness
US7115855B2 (en) * 2003-09-05 2006-10-03 Micron Technology, Inc. Image sensor having pinned floating diffusion diode
WO2005033935A1 (en) * 2003-09-29 2005-04-14 Siemens Corporate Research, Inc. System and method for deployment of configuration and analysis software
ES2298485T3 (en) 2003-11-21 2008-05-16 Carestream Health, Inc. DENTAL RADIOLOGY DEVICE.
EP1537826B1 (en) * 2003-11-26 2010-11-10 Carestream Health, Inc. Method of signal processing in a dental radiologic apparatus
DE10357202A1 (en) * 2003-12-08 2005-06-30 Siemens Ag Radiation detector and method for synchronized radiation detection
US7006600B1 (en) 2004-01-15 2006-02-28 Progeny, Inc. Integrated digital dental x-ray system
US7551720B2 (en) * 2004-05-11 2009-06-23 Schick Technologies Installation of a receiver as part of an x-ray tube housing
US7282713B2 (en) * 2004-06-10 2007-10-16 General Electric Company Compositions and methods for scintillator arrays
KR100901932B1 (en) * 2005-01-07 2009-06-10 가부시키가이샤 시마즈세이사쿠쇼 Two- dimensional image detector and photography instrument employing it
EP1686794A1 (en) * 2005-01-31 2006-08-02 Miradis Holding AG Image acquisition system for acquiring of X-ray images and method for its control and evaluation
US7573034B2 (en) * 2005-05-18 2009-08-11 Carestream Health, Inc. Mobile radiography image recording system
GB0514998D0 (en) * 2005-07-21 2005-08-31 E2V Tech Uk Ltd Sensor with trigger pixels for imaging of pulsed radiation
US7563026B2 (en) * 2005-09-08 2009-07-21 Schick Technologies, Inc. Flexible intra-oral x-ray imaging device
US7471761B2 (en) * 2005-09-15 2008-12-30 Schick Technologies, Inc. System and method for computing oral bone mineral density with a panoramic x-ray system
DE102005046164A1 (en) * 2005-09-27 2007-03-29 Siemens Ag X-ray detector for e.g. dental application, has base element serving as substrate/carrier for scintillation layer and photo sensor, where layer is arranged on upper side of element and sensor is arranged on lower side of element
US7501631B2 (en) * 2005-10-07 2009-03-10 Schick Technologies, Inc. Shielding an imaging array from X-ray noise
DE102005060794B3 (en) * 2005-12-16 2007-06-14 Siemens Ag Flat panel detector
DE102005060795A1 (en) * 2005-12-16 2007-07-12 Siemens Ag Flat panel detector
US20070152109A1 (en) * 2005-12-29 2007-07-05 General Electric Company Attachment apparatus and methods for use thereof
US7211802B1 (en) 2005-12-30 2007-05-01 Eastman Kodak Company X-ray impingement event detection system and method for a digital radiography detector
JP4800045B2 (en) * 2006-01-30 2011-10-26 浜松ホトニクス株式会社 Solid-state imaging device
US7211803B1 (en) 2006-04-24 2007-05-01 Eastman Kodak Company Wireless X-ray detector for a digital radiography system with remote X-ray event detection
JP4819561B2 (en) 2006-04-24 2011-11-24 浜松ホトニクス株式会社 Solid-state imaging device
US7655918B2 (en) * 2006-07-26 2010-02-02 Fairchild Imaging, Inc CMOS image sensors adapted for dental applications
JP4825116B2 (en) * 2006-11-22 2011-11-30 浜松ホトニクス株式会社 Solid-state imaging device and imaging method
GB0701076D0 (en) 2007-01-19 2007-02-28 E2V Tech Uk Ltd Imaging apparatus
US7615754B2 (en) * 2007-03-08 2009-11-10 Fairchild Imaging, Inc. Compact CMOS-based x-ray detector adapted for dental applications
US8073234B2 (en) * 2007-08-27 2011-12-06 Acushnet Company Method and apparatus for inspecting objects using multiple images having varying optical properties
US8008641B2 (en) * 2007-08-27 2011-08-30 Acushnet Company Method and apparatus for inspecting objects using multiple images having varying optical properties
US20090129653A1 (en) * 2007-11-15 2009-05-21 Carestream Health, Inc. Energy balancing for wireless diagnostic imaging system
JP2009119116A (en) * 2007-11-16 2009-06-04 Hamamatsu Photonics Kk X-ray image acquisition apparatus
US8076647B2 (en) * 2008-10-21 2011-12-13 Matt Danielsson X-ray detector, a corresponding x-ray imaging device and a method for improving the resolution of a scintillator-based x-ray detector
US8366318B2 (en) 2009-07-17 2013-02-05 Dental Imaging Technologies Corporation Intraoral X-ray sensor with embedded standard computer interface
US9492129B2 (en) * 2008-10-27 2016-11-15 Dental Imaging Technologies Corporation Triggering of intraoral X-ray sensor using pixel array sub-sampling
EP2180343B1 (en) * 2008-10-27 2018-07-25 Dental Imaging Technologies Corporation System and method of x-ray detection with a sensor
CN102576455B (en) 2009-07-02 2015-05-20 斯基恩特-X公司 Reduction of noise caused by absorption of X-ray photons in pixelated image sensors
KR101850557B1 (en) 2009-07-31 2018-04-19 이미징 사이언시즈 인터내셔널 엘엘씨 Panoramic dental imaging using segmentation and a master arch
US8430563B2 (en) * 2009-12-22 2013-04-30 Real Time Imaging Technologies, Llc Dental fluoroscopic imaging system
US9384864B2 (en) * 2010-01-25 2016-07-05 Robert Sigurd Nelson High resolution imaging system for digital dentistry
JP5616106B2 (en) 2010-04-14 2014-10-29 浜松ホトニクス株式会社 Solid-state imaging device
JP5616105B2 (en) 2010-04-14 2014-10-29 浜松ホトニクス株式会社 Solid-state imaging device
EP2461347A1 (en) 2010-12-06 2012-06-06 Fei Company Detector system for transmission electron microscope
JP2012083307A (en) * 2010-10-14 2012-04-26 Fujifilm Corp Radiation detection device, radiation image photographing system, radiation detection program and radiation detection method
US10914847B2 (en) 2011-01-18 2021-02-09 Minnesota Imaging And Engineering Llc High resolution imaging system for digital dentistry
US9629591B2 (en) 2011-01-21 2017-04-25 General Electric Company X-ray system and method with digital image acquisition
US8768035B2 (en) 2011-04-27 2014-07-01 General Electric Company X-ray system and method for processing image data
US8641276B2 (en) 2011-07-22 2014-02-04 Sirona Dental, Inc. Sealed sensor systems, apparatuses and methods
US8834021B2 (en) 2011-08-04 2014-09-16 General Electric Company Digital X-ray detector with a multi-functional panel support
JP5925638B2 (en) * 2011-08-22 2016-05-25 花王株式会社 Oil composition
US20130129044A1 (en) * 2011-11-18 2013-05-23 Cyber Medical Imaging, Inc. Intraoral Radiographic Imaging Sensors with Minimized Mesial Imaging Dead Space
US20130202085A1 (en) * 2012-02-03 2013-08-08 General Electric Company System and method for autonomous exposure detection by digital x-ray detector
JP2014230600A (en) * 2013-05-28 2014-12-11 株式会社東芝 X-ray ct apparatus, and x-ray detector for x-ray ct apparatus
US10039516B2 (en) * 2013-11-08 2018-08-07 Carestream Health, Inc. Digital radiography detector image readout system and process
CN105792753B (en) * 2014-05-16 2017-09-19 皇家飞利浦有限公司 System for controlling X-ray detector
EP3244800A1 (en) 2015-01-12 2017-11-22 Real Time Imaging Technologies, LLC Low-dose x-ray imaging system
US10365383B2 (en) 2016-09-09 2019-07-30 Minnesota Imaging And Engineering Llc Structured detectors and detector systems for radiation imaging

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4160997A (en) * 1974-05-14 1979-07-10 Robert Schwartz Intraoral fluoroscope
US4660090A (en) * 1985-08-27 1987-04-21 Texas Instruments Incorporated CCD imager with on-chip processing
US5220170A (en) * 1985-12-11 1993-06-15 General Imaging Corporation X-ray imaging system and solid state detector therefor
US5043582A (en) * 1985-12-11 1991-08-27 General Imagining Corporation X-ray imaging system and solid state detector therefor
EP0364863A1 (en) 1988-10-21 1990-04-25 Fiad S.P.A. Intrabuccal detector for x-ray apparatus
CA2065246C (en) * 1989-09-06 2001-11-13 Larry E. Antonuk Multi-element-amorphous-silicon-detector-array for real-time imaging and dosimetry of megavoltage photons and diagnostic x-rays
JP2829056B2 (en) * 1989-10-26 1998-11-25 株式会社東芝 Image display device
US6031892A (en) * 1989-12-05 2000-02-29 University Of Massachusetts Medical Center System for quantitative radiographic imaging
US5150394A (en) * 1989-12-05 1992-09-22 University Of Massachusetts Medical School Dual-energy system for quantitative radiographic imaging
US5101174A (en) * 1990-10-31 1992-03-31 Texas Instruments Incorporated Advanced charge detection amplifier for high performance image sensors
DE4218020C1 (en) * 1992-06-01 1993-07-15 Siemens Ag, 8000 Muenchen, De
US5434418A (en) * 1992-10-16 1995-07-18 Schick; David Intra-oral sensor for computer aided radiography
US5436476A (en) * 1993-04-14 1995-07-25 Texas Instruments Incorporated CCD image sensor with active transistor pixel
US5471515A (en) * 1994-01-28 1995-11-28 California Institute Of Technology Active pixel sensor with intra-pixel charge transfer
CA2156530A1 (en) * 1994-10-11 1996-04-12 Alexander George Dickinson Active pixel image sensor
US5631704A (en) * 1994-10-14 1997-05-20 Lucent Technologies, Inc. Active pixel sensor and imaging system having differential mode
US5715292A (en) * 1994-11-25 1998-02-03 Loral Fairchild Corporation Digital sensor cassette for mammography
US5572037A (en) * 1995-02-03 1996-11-05 University Of Massachusetts Medical Center Digital imaging using a scanning mirror apparatus
US5629524A (en) * 1995-02-21 1997-05-13 Advanced Scientific Concepts, Inc. High speed crystallography detector
US5528043A (en) * 1995-04-21 1996-06-18 Thermotrex Corporation X-ray image sensor
GB9515762D0 (en) * 1995-08-01 1995-10-04 Eev Ltd Imaging apparatus
US5693948A (en) * 1995-11-21 1997-12-02 Loral Fairchild Corporation Advanced CCD-based x-ray image sensor system
US5887049A (en) * 1996-11-12 1999-03-23 California Institute Of Technology Self-triggered X-ray sensor
US5995583A (en) * 1996-11-13 1999-11-30 Schick Technologies, Inc. Dental radiography using an intra-oral linear array sensor

Also Published As

Publication number Publication date
CA2293497C (en) 2006-11-28
EP0986938B1 (en) 2017-03-01
EP0986938A1 (en) 2000-03-22
JP2002505002A (en) 2002-02-12
WO1998056214A1 (en) 1998-12-10
AU7726298A (en) 1998-12-21
EP0986938A4 (en) 2000-10-25
EP1612581B1 (en) 2012-08-08
EP1612581A3 (en) 2009-03-25
US5912942A (en) 1999-06-15
EP1612581A2 (en) 2006-01-04
US6069935A (en) 2000-05-30

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