GB2021310B - Ray tube - Google Patents

Ray tube

Info

Publication number: GB2021310B
Authority: GB; United Kingdom
Prior art keywords: ray tube; ray; tube
Prior art date: 1978-05-17
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

GB7916397A

Other versions

GB2021310A (en

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.)

Siemens AG

Original Assignee

Siemens AG

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.)

1978-05-17

Filing date

1979-05-11

Publication date

1982-09-22

1979-05-11 Application filed by Siemens AG filed Critical Siemens AG

1979-11-28 Publication of GB2021310A publication Critical patent/GB2021310A/en

1982-09-22 Application granted granted Critical

1982-09-22 Publication of GB2021310B publication Critical patent/GB2021310B/en

Status Expired legal-status Critical Current

Classifications

- 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
- 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
- H01J35/24—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

GB7916397A 1978-05-17 1979-05-11 Ray tube Expired GB2021310B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19782821597 DE2821597A1 (en)	1978-05-17	1978-05-17	USE OF A SYSTEM FOR GENERATING A FLAT ELECTRON BEAM WITH PURELY ELECTROSTATIC FOCUSING IN AN X-RAY TUBE

Publications (2)

Publication Number	Publication Date
GB2021310A GB2021310A (en)	1979-11-28
GB2021310B true GB2021310B (en)	1982-09-22

Family

ID=6039581

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB7916397A Expired GB2021310B (en)	1978-05-17	1979-05-11	Ray tube

Country Status (5)

Country	Link
JP (1)	JPS54150997A (en)
CH (1)	CH639798A5 (en)
DE (1)	DE2821597A1 (en)
FR (1)	FR2426331A1 (en)
GB (1)	GB2021310B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4493097A (en) *	1982-08-30	1985-01-08	The Perkin-Elmer Corporation	Electron gun assembly
IL70210A (en) *	1982-11-23	1987-10-20	Elscint Ltd	X-ray tube with adjustable focal spot
DE19700992C2 (en) *	1997-01-14	1999-10-07	Siemens Ag	X-ray tube
DE19731982C1 (en) *	1997-07-24	1998-12-10	Siemens Ag	X-ray tube with magnetic deflection of electron beam
DE69940637D1 (en)	1998-07-09	2009-05-07	Hamamatsu Photonics Kk	X-RAY TUBE
US7257194B2 (en) *	2004-02-09	2007-08-14	Varian Medical Systems Technologies, Inc.	Cathode head with focal spot control
JP4273059B2 (en) *	2004-08-20	2009-06-03	志村尚美	X-ray generation method and X-ray generation apparatus
US7653178B2 (en)	2004-08-20	2010-01-26	Satoshi Ohsawa	X-ray generating method, and X-ray generating apparatus
CN101449352A (en) *	2006-05-22	2009-06-03	皇家飞利浦电子股份有限公司	X-ray tube whose electron beam is manipulated synchronously with the rotational anode movement
JP2008140654A (en) *	2006-12-01	2008-06-19	Shimadzu Corp	X-ray generator
JP5614854B2 (en)	2012-03-27	2014-10-29	株式会社リガク	Electron gun, X-ray generator and X-ray measuring device
DE102021204540B3 (en)	2021-05-05	2022-09-29	Siemens Healthcare Gmbh	electron emitter device
DE102021204538A1 (en)	2021-05-05	2022-05-12	Siemens Healthcare Gmbh	X-ray source

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1659133A (en) *	1924-12-18	1928-02-14	Gen Electric	X-ray device
DE1491461A1 (en) *	1965-07-15	1969-05-14	Siemens Ag	System for generating a flat electron beam for a running field tube with purely electrostatic focusing
FR2188839A5 (en) *	1972-06-08	1974-01-18	Aquitaine Petrole
DE2310061A1 (en) *	1973-02-28	1974-08-29	Siemens Ag	ROENTINE PIPE
GB1505741A (en) *	1975-03-11	1978-03-30	Standard Telephones Cables Ltd	X-ray lithography
FR2379158A1 (en) *	1977-01-28	1978-08-25	Radiologie Cie Gle	RADIOGENIC TUBE FOR PROVIDING AN X-RAY BEAM FLAT IN WIDE-OPENING FAN AND RADIOLOGY APPARATUS INCLUDING SUCH A TUBE

1978
- 1978-05-17 DE DE19782821597 patent/DE2821597A1/en not_active Ceased
1979
- 1979-03-21 CH CH264579A patent/CH639798A5/en not_active IP Right Cessation
- 1979-05-11 GB GB7916397A patent/GB2021310B/en not_active Expired
- 1979-05-16 JP JP6024279A patent/JPS54150997A/en active Granted
- 1979-05-16 FR FR7912429A patent/FR2426331A1/en active Granted

Also Published As

Publication number	Publication date
GB2021310A (en)	1979-11-28
FR2426331B1 (en)	1983-06-03
CH639798A5 (en)	1983-11-30
FR2426331A1 (en)	1979-12-14
JPS54150997A (en)	1979-11-27
DE2821597A1 (en)	1979-11-22
JPS6138575B2 (en)	1986-08-29

Publication	Publication Date	Title
JPS54123891A (en)	1979-09-26	Xxray tube
JPS5550562A (en)	1980-04-12	Xxray tube
JPS5520391A (en)	1980-02-13	Lance tube
GB2022314B (en)	1982-07-07	X-ray tubes
GB2021310B (en)	1982-09-22	Ray tube
GB2057482B (en)	1983-05-25	Cathode-ray tubes
JPS55122345A (en)	1980-09-20	Cathode ray tube
GB2016626B (en)	1982-05-19	Tube couplings
JPS5514692A (en)	1980-02-01	Electron display tube
GB1555640A (en)	1979-11-14	Tube coupling
GB2016627B (en)	1982-07-07	Tube connections
JPS5591539A (en)	1980-07-11	Cathode ray tube
JPS5541696A (en)	1980-03-24	Cathod ray tube
GB1558133A (en)	1979-12-19	X ray tube
JPS54110793A (en)	1979-08-30	Xxray tube
GB2041635B (en)	1982-12-15	Electron tube
JPS5517993A (en)	1980-02-07	Cathode ray tube
JPS54135975A (en)	1979-10-22	Drawing tube
AU4575779A (en)	1979-11-15	Cathode-ray tube
GB2061610B (en)	1984-04-04	Cathode ray tube
JPS5535497A (en)	1980-03-12	Cathode ray tube
JPS5560256A (en)	1980-05-07	Cathode ray tube
JPS5520293A (en)	1980-02-13	X ray spectrocrystal
JPS54137267A (en)	1979-10-24	Cathode ray tube
JPS54161878A (en)	1979-12-21	Cathode ray tube

Legal Events

Date	Code	Title	Description
1987-12-31	PCNP	Patent ceased through non-payment of renewal fee