JP2014063734A5 - - Google Patents

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Publication number
JP2014063734A5
JP2014063734A5 JP2013187843A JP2013187843A JP2014063734A5 JP 2014063734 A5 JP2014063734 A5 JP 2014063734A5 JP 2013187843 A JP2013187843 A JP 2013187843A JP 2013187843 A JP2013187843 A JP 2013187843A JP 2014063734 A5 JP2014063734 A5 JP 2014063734A5
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JP
Japan
Prior art keywords
electron emitter
radiation area
gap
shaped
disk
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
JP2013187843A
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English (en)
Japanese (ja)
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JP6378473B2 (ja
JP2014063734A (ja
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Publication date
Priority claimed from US13/619,587 external-priority patent/US9251987B2/en
Application filed filed Critical
Publication of JP2014063734A publication Critical patent/JP2014063734A/ja
Publication of JP2014063734A5 publication Critical patent/JP2014063734A5/ja
Application granted granted Critical
Publication of JP6378473B2 publication Critical patent/JP6378473B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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JP2013187843A 2012-09-14 2013-09-11 Ｘ線装置用の放射面 Active JP6378473B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/619,587 US9251987B2 (en) 2012-09-14 2012-09-14 Emission surface for an X-ray device
US13/619,587 2012-09-14

Publications (3)

Publication Number Publication Date
JP2014063734A JP2014063734A (ja) 2014-04-10
JP2014063734A5 true JP2014063734A5 (cg-RX-API-DMAC7.html) 2016-10-20
JP6378473B2 JP6378473B2 (ja) 2018-08-22

Family

ID=50274452

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2013187843A Active JP6378473B2 (ja) 2012-09-14 2013-09-11 Ｘ線装置用の放射面

Country Status (3)

Country Link
US (1) US9251987B2 (cg-RX-API-DMAC7.html)
JP (1) JP6378473B2 (cg-RX-API-DMAC7.html)
DE (1) DE102013110166A1 (cg-RX-API-DMAC7.html)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104620350B (zh) * 2012-09-12 2017-02-15 株式会社岛津制作所 X射线管装置
US9202663B2 (en) * 2012-12-05 2015-12-01 Shimadzu Corporation Flat filament for an X-ray tube, and an X-ray tube
US9711320B2 (en) * 2014-04-29 2017-07-18 General Electric Company Emitter devices for use in X-ray tubes
US9711321B2 (en) * 2014-12-30 2017-07-18 General Electric Company Low aberration, high intensity electron beam for X-ray tubes
US9953797B2 (en) * 2015-09-28 2018-04-24 General Electric Company Flexible flat emitter for X-ray tubes
US9928985B2 (en) * 2016-02-29 2018-03-27 General Electric Company Robust emitter for minimizing damage from ion bombardment
JP6744116B2 (ja) * 2016-04-01 2020-08-19 キヤノン電子管デバイス株式会社 エミッター及びｘ線管
US10636608B2 (en) * 2017-06-05 2020-04-28 General Electric Company Flat emitters with stress compensation features
EP3496127A1 (en) * 2017-12-07 2019-06-12 Koninklijke Philips N.V. Cathode assembly component for x-ray imaging
USD1058525S1 (en) * 2023-04-06 2025-01-21 GE Precision Healthcare LLC Cathode shield
US20250292986A1 (en) * 2024-03-18 2025-09-18 GE Precision Healthcare LLC Flat emitter with compliant supported end

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB524240A (en) 1939-01-25 1940-08-01 Werner Ehrenberg Improvements in or relating to cathodes for electron discharge devices
US4795940A (en) * 1987-10-14 1989-01-03 The United States Of America As Represented By The United States Department Of Energy Large area directly heated lanthanum hexaboride cathode structure having predetermined emission profile
US5343112A (en) * 1989-01-18 1994-08-30 Balzers Aktiengesellschaft Cathode arrangement
US6115453A (en) 1997-08-20 2000-09-05 Siemens Aktiengesellschaft Direct-Heated flats emitter for emitting an electron beam
DE10016125A1 (de) 1999-04-29 2000-11-02 Siemens Ag Lebensdaueroptimierter Emitter
DE10029253C1 (de) * 2000-06-14 2001-10-25 Siemens Ag Direktgeheizter thermionischer Flachemitter
DE10135995C2 (de) * 2001-07-24 2003-10-30 Siemens Ag Direktgeheizter thermionischer Flachemitter
RU2008148847A (ru) * 2006-05-11 2010-06-20 Конинклейке Филипс Электроникс Н.В. (Nl) Конструкция эмиттера, обеспечивающая аварийный режим работы в случае повреждения эмиттера, предназначенного для медицинского применения рентгеновских лучей
WO2008047269A2 (en) 2006-10-17 2008-04-24 Philips Intellectual Property & Standards Gmbh Emitter for x-ray tubes and heating method therefore
US20080187093A1 (en) * 2007-02-06 2008-08-07 John Scott Price X-ray generation using secondary emission electron source
EP2156459B1 (en) * 2007-06-01 2013-03-27 Philips Intellectual Property & Standards GmbH Preparing method for electron emitting foil with temporary fixing bars
EP2174335B1 (en) 2007-07-24 2015-09-09 Philips Intellectual Property & Standards GmbH Thermionic electron emitter and x-ray source including same
US8183756B2 (en) * 2007-07-24 2012-05-22 Koninklijke Philips Electronics Nv Thermionic electron emitter, method for preparing same and X-ray source including same
US7801277B2 (en) 2008-03-26 2010-09-21 General Electric Company Field emitter based electron source with minimized beam emittance growth
US7924983B2 (en) * 2008-06-30 2011-04-12 Varian Medical Systems, Inc. Thermionic emitter designed to control electron beam current profile in two dimensions
JP2011040272A (ja) * 2009-08-11 2011-02-24 Shimadzu Corp 平板フィラメントおよびそれを用いたｘ線管装置
CA2755012C (en) * 2010-10-14 2017-10-31 Camfil Farr (Canada) Inc. Turbo screen

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