JPS6346952B2 - - Google Patents

Info

Publication number
JPS6346952B2
JPS6346952B2 JP55087874A JP8787480A JPS6346952B2 JP S6346952 B2 JPS6346952 B2 JP S6346952B2 JP 55087874 A JP55087874 A JP 55087874A JP 8787480 A JP8787480 A JP 8787480A JP S6346952 B2 JPS6346952 B2 JP S6346952B2
Authority
JP
Japan
Prior art keywords
thermionic emission
backing plate
bent
heat
shaped
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
Application number
JP55087874A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5713658A (en
Inventor
Tadashi Hayashi
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP8787480A priority Critical patent/JPS5713658A/ja
Publication of JPS5713658A publication Critical patent/JPS5713658A/ja
Publication of JPS6346952B2 publication Critical patent/JPS6346952B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00X-ray tubes
    • H01J35/02Details
    • H01J35/04Electrodes ; Mutual position thereof; Constructional adaptations therefor
    • H01J35/06Cathodes
    • H01J35/064Details of the emitter, e.g. material or structure
JP8787480A 1980-06-30 1980-06-30 Thermion emitting structured body for x-ray tube Granted JPS5713658A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8787480A JPS5713658A (en) 1980-06-30 1980-06-30 Thermion emitting structured body for x-ray tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8787480A JPS5713658A (en) 1980-06-30 1980-06-30 Thermion emitting structured body for x-ray tube

Publications (2)

Publication Number Publication Date
JPS5713658A JPS5713658A (en) 1982-01-23
JPS6346952B2 true JPS6346952B2 (uk) 1988-09-19

Family

ID=13927008

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8787480A Granted JPS5713658A (en) 1980-06-30 1980-06-30 Thermion emitting structured body for x-ray tube

Country Status (1)

Country Link
JP (1) JPS5713658A (uk)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61128451A (ja) * 1984-11-27 1986-06-16 Toshiba Corp X線管装置
US9466455B2 (en) * 2011-06-16 2016-10-11 Varian Medical Systems, Inc. Electron emitters for x-ray tubes
EP2897155B1 (en) 2012-09-12 2018-05-23 Shimadzu Corporation X-ray tube device
JP6477336B2 (ja) * 2015-07-31 2019-03-06 株式会社島津製作所 陰極の製造方法、陰極およびx線管装置

Also Published As

Publication number Publication date
JPS5713658A (en) 1982-01-23

Similar Documents

Publication Publication Date Title
US9953797B2 (en) Flexible flat emitter for X-ray tubes
JPS6346952B2 (uk)
US2727177A (en) Electrostatic lens system
US3790838A (en) X-ray tube target
KR920007411B1 (ko) 간접 가열형 캐소드 어셈블리 및 그와 조립된 전자총 구조체
JP2607251B2 (ja) 電界放射陰極
US4338542A (en) Directly heated cathode assembly
JPH07322659A (ja) 熱電子発電素子及びその電極間隙調節方法
JP3996442B2 (ja) 電子銃
KR100382062B1 (ko) 직열형 음극 구조체
US3585438A (en) Cathode with electron beam confining means
JPS6112330B2 (uk)
JP2804713B2 (ja) X線発生装置用フィラメント
JPH10321119A (ja) 熱電子放出フィラメントおよび熱電子放出装置
US6509570B1 (en) Gallium ion source
GB309447A (en) Improvements in or relating to thermionic devices
JPH0636719A (ja) X線発生装置用フィラメント
US3755705A (en) Cathode having a cavity in the emissive element
JP2607612Y2 (ja) スポット型カソード装置
JP2610414B2 (ja) 表示装置
US2748310A (en) Filament structure
CN102376514A (zh) 阴极
US3777209A (en) Non-thermionic electron emissive tube comprising a ceramic heater substrate
KR0138280B1 (ko) 음극선관용 전자총의 음극구조체
JPS6388738A (ja) 電子ビ−ム溶接用陰極