DE69323049D1 - Kathodenhalter mit magnetischem Suszeptor - Google Patents

Kathodenhalter mit magnetischem Suszeptor

Info

Publication number
DE69323049D1
DE69323049D1 DE69323049T DE69323049T DE69323049D1 DE 69323049 D1 DE69323049 D1 DE 69323049D1 DE 69323049 T DE69323049 T DE 69323049T DE 69323049 T DE69323049 T DE 69323049T DE 69323049 D1 DE69323049 D1 DE 69323049D1
Authority
DE
Germany
Prior art keywords
cathode holder
magnetic susceptor
susceptor
magnetic
cathode
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 - Fee Related
Application number
DE69323049T
Other languages
English (en)
Other versions
DE69323049T2 (de
Inventor
James E Burke
Lester Miller
Salvatore G Perno
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.)
Philips Nuclear Medicine Inc
Original Assignee
Picker International Inc
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 Picker International Inc filed Critical Picker International Inc
Publication of DE69323049D1 publication Critical patent/DE69323049D1/de
Application granted granted Critical
Publication of DE69323049T2 publication Critical patent/DE69323049T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00—X-ray tubes
    • H01J35/02—Details
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00—X-ray tubes
    • H01J35/02—Details
    • H01J35/04—Electrodes ; Mutual position thereof; Constructional adaptations therefor
    • H01J35/06—Cathodes
    • H01J35/066—Details of electron optical components, e.g. cathode cups
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00—X-ray tubes
    • H01J35/02—Details
    • H01J35/04—Electrodes ; Mutual position thereof; Constructional adaptations therefor
    • H01J35/08—Anodes; Anti cathodes
    • H01J35/10—Rotary anodes; Arrangements for rotating anodes; Cooling rotary anodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00—X-ray tubes
    • H01J35/02—Details
    • H01J35/16—Vessels; Containers; Shields associated therewith
    • H01J35/165—Vessels; Containers; Shields associated therewith joining connectors to the tube
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00—X-ray tubes
    • H01J35/24—Tubes wherein the point of impact of the cathode ray on the anode or anticathode is movable relative to the surface thereof
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05G—X-RAY TECHNIQUE
    • H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
    • H05G1/02—Constructional details
    • H05G1/04—Mounting the X-ray tube within a closed housing
    • H05G1/06—X-ray tube and at least part of the power supply apparatus being mounted within the same housing
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05G—X-RAY TECHNIQUE
    • H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
    • H05G1/08—Electrical details
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05G—X-RAY TECHNIQUE
    • H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
    • H05G1/08—Electrical details
    • H05G1/10—Power supply arrangements for feeding the X-ray tube
    • H05G1/20—Power supply arrangements for feeding the X-ray tube with high-frequency ac; with pulse trains
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05G—X-RAY TECHNIQUE
    • H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
    • H05G1/08—Electrical details
    • H05G1/26—Measuring, controlling or protecting
    • H05G1/30—Controlling
    • H05G1/34—Anode current, heater current or heater voltage of X-ray tube
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05G—X-RAY TECHNIQUE
    • H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
    • H05G1/08—Electrical details
    • H05G1/26—Measuring, controlling or protecting
    • H05G1/30—Controlling
    • H05G1/52—Target size or shape; Direction of electron beam, e.g. in tubes with one anode and more than one cathode
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05G—X-RAY TECHNIQUE
    • H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
    • H05G1/08—Electrical details
    • H05G1/66—Circuit arrangements for X-ray tubes with target movable relatively to the anode
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2235/00—X-ray tubes
    • H01J2235/16—Vessels
    • H01J2235/161—Non-stationary vessels
    • H01J2235/162—Rotation

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • X-Ray Techniques (AREA)
DE69323049T 1992-12-09 1993-11-12 Kathodenhalter mit magnetischem Suszeptor Expired - Fee Related DE69323049T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/988,403 US5274690A (en) 1992-01-06 1992-12-09 Rotating housing and anode/stationary cathode x-ray tube with magnetic susceptor for holding the cathode stationary

Publications (2)

Publication Number Publication Date
DE69323049D1 true DE69323049D1 (de) 1999-02-25
DE69323049T2 DE69323049T2 (de) 1999-05-27

Family

ID=25534083

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69323049T Expired - Fee Related DE69323049T2 (de) 1992-12-09 1993-11-12 Kathodenhalter mit magnetischem Suszeptor

Country Status (4)

Country Link
US (1) US5274690A (de)
EP (1) EP0601717B1 (de)
JP (1) JP3723904B2 (de)
DE (1) DE69323049T2 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5550890A (en) * 1995-06-06 1996-08-27 Anderson; Weston A. Magnetically supported cathode X-ray source
US5995584A (en) * 1998-01-26 1999-11-30 General Electric Company X-ray tube having high-speed bearings
US6144720A (en) * 1998-08-28 2000-11-07 Picker International, Inc. Iron oxide coating for x-ray tube rotors
US6256364B1 (en) 1998-11-24 2001-07-03 General Electric Company Methods and apparatus for correcting for x-ray beam movement
US6229870B1 (en) 1998-11-25 2001-05-08 Picker International, Inc. Multiple fan beam computed tomography system
US6125167A (en) * 1998-11-25 2000-09-26 Picker International, Inc. Rotating anode x-ray tube with multiple simultaneously emitting focal spots
US6295338B1 (en) 1999-10-28 2001-09-25 Marconi Medical Systems, Inc. Oil cooled bearing assembly
US6570960B1 (en) 2000-03-07 2003-05-27 Koninklijke Philips Electronics N.V. High voltage isolated rotor drive for rotating anode x-ray tube
US7616801B2 (en) 2002-11-27 2009-11-10 Hologic, Inc. Image handling and display in x-ray mammography and tomosynthesis
US7123684B2 (en) 2002-11-27 2006-10-17 Hologic, Inc. Full field mammography with tissue exposure control, tomosynthesis, and dynamic field of view processing
US10638994B2 (en) 2002-11-27 2020-05-05 Hologic, Inc. X-ray mammography with tomosynthesis
EP1816965B1 (de) 2004-11-26 2016-06-29 Hologic, Inc. Integriertes multimodus-mammographie-/tomosynthese-röntgensystem
US8515005B2 (en) 2009-11-23 2013-08-20 Hologic Inc. Tomosynthesis with shifting focal spot and oscillating collimator blades
KR101639374B1 (ko) * 2008-11-24 2016-07-13 홀로직, 인크. 토모신테시스 및 마모그래피 영상 촬영을 위한 ｘ선 초점의 특성을 제어하기 위한 시스템 및 방법
EP3445247B1 (de) 2016-04-22 2021-03-10 Hologic, Inc. Tomosynthese mit röntgensystem mit variablem brennfleck unter verwendung eines adressierbaren arrays
AU2017286618B2 (en) 2016-06-17 2022-03-17 The Institute Of Cancer Research: Royal Cancer Hospital X-ray micro-beam production and high brilliance x-ray production
EP3668404B1 (de) 2017-08-16 2022-07-06 Hologic, Inc. Verfahren zur kompensation von bewegungsartefakten eines patienten bei der brustbildgebung
EP3449835B1 (de) 2017-08-22 2023-01-11 Hologic, Inc. Computertomografiesystem und methode zur bildgebung mehrerer anatomischer ziele
US11090017B2 (en) 2018-09-13 2021-08-17 Hologic, Inc. Generating synthesized projection images for 3D breast tomosynthesis or multi-mode x-ray breast imaging
EP3832689A3 (de) 2019-12-05 2021-08-11 Hologic, Inc. Systeme und verfahren für verbesserte röntgenröhrenlebensdauer
US11471118B2 (en) 2020-03-27 2022-10-18 Hologic, Inc. System and method for tracking x-ray tube focal spot position
DE102020206939B4 (de) * 2020-06-03 2022-01-20 Siemens Healthcare Gmbh Röntgenstrahler
EP3933881A1 (de) 2020-06-30 2022-01-05 VEC Imaging GmbH & Co. KG Röntgenquelle mit mehreren gittern
US11786191B2 (en) 2021-05-17 2023-10-17 Hologic, Inc. Contrast-enhanced tomosynthesis with a copper filter

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2111412A (en) * 1928-12-08 1938-03-15 Gen Electric X-ray apparatus
JPS5318318B2 (de) * 1972-12-27 1978-06-14
US4045672A (en) * 1975-09-11 1977-08-30 Nihon Denshi Kabushiki Kaisha Apparatus for tomography comprising a pin hole for forming a microbeam of x-rays
GB1604252A (en) * 1977-06-03 1981-12-09 Emi Ltd X-ray generating arrangements
DK290077A (da) * 1977-06-29 1978-12-30 Scadera As Fremgangsmaade til bestemmelse af elektrotaetheden i et delvolumen
FR2415876A1 (fr) * 1978-01-27 1979-08-24 Radiologie Cie Gle Tube a rayons x, notamment pour tomodensitometre
DE3043046A1 (de) * 1980-11-14 1982-07-15 Siemens AG, 1000 Berlin und 8000 München Drehanoden-roentgenroehre
US4521900A (en) * 1982-10-14 1985-06-04 Imatron Associates Electron beam control assembly and method for a scanning electron beam computed tomography scanner
US4521901A (en) * 1983-03-01 1985-06-04 Imatron Associates Scanning electron beam computed tomography scanner with ion aided focusing
US4531226A (en) * 1983-03-17 1985-07-23 Imatron Associates Multiple electron beam target for use in X-ray scanner
US4535243A (en) * 1983-03-17 1985-08-13 Imatron Associates X-ray detector for high speed X-ray scanning system
US4631741A (en) * 1984-04-05 1986-12-23 Imatron, Inc. Beam spot monitoring arrangement for use in a scanning electron beam computed tomography scanner and method
US4618970A (en) * 1984-04-05 1986-10-21 Imatron, Inc. Beam positioning arrangement for use in a scanning electron beam computed tomography scanner and method
US4625150A (en) * 1984-04-16 1986-11-25 Imatron, Inc. Electron beam control assembly for a scanning electron beam computed tomography scanner
US4644168A (en) * 1984-05-14 1987-02-17 Imatron Inc. Electron beam deflecting magnet assembly for a scanning electron beam computed tomography scanner
US4672649A (en) * 1984-05-29 1987-06-09 Imatron, Inc. Three dimensional scanned projection radiography using high speed computed tomographic scanning system
US4736396A (en) * 1984-05-29 1988-04-05 Imatron, Inc. Tomosynthesis using high speed CT scanning system
US4573179A (en) * 1984-05-29 1986-02-25 Imatron, Inc. Scanned projection radiography using high speed computed tomographic scanning system
US4610021A (en) * 1984-06-13 1986-09-02 Imatron, Inc. X-ray transmission scanning system having variable fan beam geometry
US4621213A (en) * 1984-07-02 1986-11-04 Imatron, Inc. Electron gun
EP0187020B1 (de) * 1984-12-20 1993-02-10 Varian Associates, Inc. Röntgenstrahlenquelle mit hoher Intensität
US4869257A (en) * 1985-06-03 1989-09-26 Picker International, Inc. Ultrasonic mechanical sector scanning transducer probe assembly
DE3540303A1 (de) * 1985-11-13 1987-05-14 Siemens Ag Drehanoden-roentgenroehre
US4944448A (en) * 1986-05-09 1990-07-31 Imatron, Inc. Composite electron beam target for use in X-ray imaging system and method of making same
DE3785728D1 (de) * 1986-11-25 1993-06-09 Siemens Ag Computertomograph.
US4878235A (en) * 1988-02-25 1989-10-31 Varian Associates, Inc. High intensity x-ray source using bellows
FR2632451B1 (fr) * 1988-06-06 1990-09-28 Mecanique Magnetique Sa Tube a rayons x a anode rotative montee sur une suspension magnetique
IL88904A0 (en) * 1989-01-06 1989-08-15 Yehuda Elyada X-ray tube apparatus
DE4004013A1 (de) * 1990-02-09 1991-08-14 Siemens Ag Roentgen-drehroehre
DE4108591A1 (de) * 1990-03-28 1991-10-02 Siemens Ag Magnetische kupplung, insbesondere fuer eine roentgen-drehroehre
US5200985A (en) * 1992-01-06 1993-04-06 Picker International, Inc. X-ray tube with capacitively coupled filament drive

Also Published As

Publication number Publication date
EP0601717B1 (de) 1999-01-13
JP3723904B2 (ja) 2005-12-07
EP0601717A1 (de) 1994-06-15
DE69323049T2 (de) 1999-05-27
US5274690A (en) 1993-12-28
JPH06223749A (ja) 1994-08-12

Similar Documents

Publication Publication Date Title
DE69323049D1 (de) Kathodenhalter mit magnetischem Suszeptor
DE69228884D1 (de) Gegenstandshalter mit einer gegenstandbefestigungsanordnung
GB2271217B (en) Magnetic holding structure
DE69334269D1 (de) Magnetkopfträger
DE69404397D1 (de) Verbesserte Suszeptor Ausführung
DE69307755D1 (de) Magnetischer Aufzeichnungsträger
DE69314672T2 (de) Magnetischer Aufzeichnungsträger
DE69326124D1 (de) Magnetischer Aufzeichnungsträger
IT1236887B (it) Suscettore
DE69332536D1 (de) Magnetischer aufzeichnungsträger
DE69401863T2 (de) Verbesserte Suszeptor Ausführung
DE9310011U1 (de) Bügelschloß mit Halter
DE69403575D1 (de) Spulenhalter
ATA200593A (de) Tragrahmen
DE69121537T2 (de) Magnetkopfträger
DE69317038D1 (de) Magnetischer Aufzeichnungsträger
DE69323128T2 (de) Magnetischer Aufzeichnungsträger
KR940016137U (ko) 마그넷 홀더
DE69521905D1 (de) Bandträger mit bogenförmiger bandabtastung
KR950004812U (ko) 진공을 이용한 웨이퍼 홀더
DE69325214D1 (de) Magnetischer Aufzeichnungsträger
KR940005555U (ko) 자력용기
KR940004272U (ko) 마그네트론의 양극구조
KR940007683U (ko) 연사용 보빈홀더
IT1236991B (it) Suscettore

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PHILIPS MEDICAL SYSTEMS (CLEVELAND), INC., CLEVELA

8339 Ceased/non-payment of the annual fee