JPWO2021210254A1 - - Google Patents

Info

Publication number
JPWO2021210254A1
JPWO2021210254A1 JP2022515217A JP2022515217A JPWO2021210254A1 JP WO2021210254 A1 JPWO2021210254 A1 JP WO2021210254A1 JP 2022515217 A JP2022515217 A JP 2022515217A JP 2022515217 A JP2022515217 A JP 2022515217A JP WO2021210254 A1 JPWO2021210254 A1 JP WO2021210254A1
Authority
JP
Japan
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.)
Pending
Application number
JP2022515217A
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 filed Critical
Publication of JPWO2021210254A1 publication Critical patent/JPWO2021210254A1/ja
Pending 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
    • H01J35/20—Selection of substances for gas fillings; Means for obtaining or maintaining the desired pressure within the tube, e.g. by gettering
    • 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
    • H01J35/26—Tubes wherein the point of impact of the cathode ray on the anode or anticathode is movable relative to the surface thereof by rotation of the anode or anticathode
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00—X-ray tubes
    • H01J35/02—Details
    • H01J35/14—Arrangements for concentrating, focusing, or directing the cathode ray
    • H01J35/147—Spot size control
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00—X-ray tubes
    • H01J35/02—Details
    • H01J35/14—Arrangements for concentrating, focusing, or directing the cathode ray
    • H01J35/153—Spot position control
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2235/00—X-ray tubes
    • H01J2235/16—Vessels
    • H01J2235/165—Shielding arrangements
    • H01J2235/168—Shielding arrangements against charged particles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2235/00—X-ray tubes
    • H01J2235/20—Arrangements for controlling gases within the X-ray tube
JP2022515217A 2020-04-13 2021-02-12 Pending JPWO2021210254A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16/846,403 US11101098B1 (en) 2020-04-13 2020-04-13 X-ray generation apparatus with electron passage
PCT/JP2021/005317 WO2021210254A1 (ja) 2020-04-13 2021-02-12 Ｘ線発生装置

Publications (1)

Publication Number Publication Date
JPWO2021210254A1 true JPWO2021210254A1 (ja) 2021-10-21

Family

ID=77389939

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022515217A Pending JPWO2021210254A1 (ja) 2020-04-13 2021-02-12

Country Status (7)

Country Link
US (1) US11101098B1 (ja)
EP (1) EP4135000A4 (ja)
JP (1) JPWO2021210254A1 (ja)
KR (1) KR20220166783A (ja)
CN (1) CN115380352A (ja)
TW (1) TW202145277A (ja)
WO (1) WO2021210254A1 (ja)

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5248254B2 (ja) 1972-12-12 1977-12-08
US4130759A (en) 1977-03-17 1978-12-19 Haimson Research Corporation Method and apparatus incorporating no moving parts, for producing and selectively directing x-rays to different points on an object
JPS5619855A (en) * 1979-07-27 1981-02-24 Nippon Hoso Kyokai <Nhk> X-ray generator
JPS60142352U (ja) 1984-02-29 1985-09-20 ダイハツ工業株式会社 タイミングギヤトレイン用歯車
DE19639920C2 (de) 1996-09-27 1999-08-26 Siemens Ag Röntgenröhre mit variablem Fokus
JPH11144653A (ja) 1997-11-06 1999-05-28 Mitsubishi Heavy Ind Ltd Ｘ線発生装置
GB9906886D0 (en) 1999-03-26 1999-05-19 Bede Scient Instr Ltd Method and apparatus for prolonging the life of an X-ray target
JP4762436B2 (ja) 2001-05-16 2011-08-31 浜松ホトニクス株式会社 カソードユニット及び開放型ｘ線発生装置
JP2006164819A (ja) 2004-12-09 2006-06-22 Hitachi Medical Corp マイクロフォーカスｘ線管およびそれを用いたｘ線装置
JP4238245B2 (ja) * 2005-09-14 2009-03-18 知平 坂部 Ｘ線発生方法及びｘ線発生装置
US7881436B2 (en) * 2008-05-12 2011-02-01 General Electric Company Method and apparatus of differential pumping in an x-ray tube
JP5248254B2 (ja) 2008-09-29 2013-07-31 知平 坂部 Ｘ線発生方法及びｘ線発生装置
US8542801B2 (en) * 2011-01-07 2013-09-24 General Electric Company X-ray tube with secondary discharge attenuation
JP5711007B2 (ja) * 2011-03-02 2015-04-30 浜松ホトニクス株式会社 開放型ｘ線源用冷却構造及び開放型ｘ線源
EP2690646A1 (en) * 2012-07-26 2014-01-29 Agilent Technologies, Inc. Gradient vacuum for high-flux x-ray source
EP2690645A1 (en) 2012-07-26 2014-01-29 Agilent Technologies, Inc. Tensioned flat electron emitter tape
JP2015041585A (ja) 2013-08-23 2015-03-02 株式会社ニコン Ｘ線源、ｘ線装置、及び構造物の製造方法
EP3063780B1 (en) * 2013-10-29 2021-06-02 Varex Imaging Corporation X-ray tube having planar emitter with tunable emission characteristics and magnetic steering and focusing
US10008359B2 (en) 2015-03-09 2018-06-26 Varex Imaging Corporation X-ray tube having magnetic quadrupoles for focusing and magnetic dipoles for steering
JP6377572B2 (ja) 2015-05-11 2018-08-22 株式会社リガク Ｘ線発生装置、及びその調整方法
JP2017022054A (ja) 2015-07-14 2017-01-26 株式会社ニコン Ｘ線発生装置、ｘ線装置、構造物の製造方法、及び構造物製造システム
US10722201B2 (en) 2015-07-27 2020-07-28 Rensselaer Polytechnic Institute Combination of an X-ray tube and a source grating with electron beam manipulation
JP6705507B2 (ja) 2016-10-07 2020-06-03 株式会社ニコン 荷電粒子線装置、電子線発生装置、ｘ線源、ｘ線装置および構造物の製造方法
US10431415B2 (en) 2016-11-23 2019-10-01 General Electric Company X-ray tube ion barrier
JP6796480B2 (ja) 2016-12-26 2020-12-09 日本電子株式会社 電子銃用の取外し工具

Also Published As

Publication number Publication date
TW202145277A (zh) 2021-12-01
CN115380352A (zh) 2022-11-22
EP4135000A4 (en) 2024-04-24
WO2021210254A1 (ja) 2021-10-21
EP4135000A1 (en) 2023-02-15
US11101098B1 (en) 2021-08-24
KR20220166783A (ko) 2022-12-19

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Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20231204