IT953614B - Tubo a raggi x ad emissione di campo - Google Patents

Tubo a raggi x ad emissione di campo

Info

Publication number
IT953614B
IT953614B IT22800/72A IT2280072A IT953614B IT 953614 B IT953614 B IT 953614B IT 22800/72 A IT22800/72 A IT 22800/72A IT 2280072 A IT2280072 A IT 2280072A IT 953614 B IT953614 B IT 953614B
Authority
IT
Italy
Prior art keywords
ray tube
field emission
emission
field
ray
Prior art date
Application number
IT22800/72A
Other languages
English (en)
Original Assignee
Bendix Corp
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 Bendix Corp filed Critical Bendix Corp
Application granted granted Critical
Publication of IT953614B publication Critical patent/IT953614B/it

Links

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
    • H01J35/065—Field emission, photo emission or secondary emission cathodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00—X-ray tubes
    • H01J35/22—X-ray tubes specially designed for passing a very high current for a very short time, e.g. for flash operation
IT22800/72A 1971-04-07 1972-04-01 Tubo a raggi x ad emissione di campo IT953614B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US131881A US3883760A (en) 1971-04-07 1971-04-07 Field emission x-ray tube having a graphite fabric cathode

Publications (1)

Publication Number Publication Date
IT953614B true IT953614B (it) 1973-08-10

Family

ID=22451421

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22800/72A IT953614B (it) 1971-04-07 1972-04-01 Tubo a raggi x ad emissione di campo

Country Status (5)

Country Link
US (1) US3883760A (it)
DE (1) DE2216119A1 (it)
FR (1) FR2132696A1 (it)
IT (1) IT953614B (it)
SU (1) SU433698A3 (it)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3970884A (en) * 1973-07-09 1976-07-20 Golden John P Portable X-ray device
US4012656A (en) * 1974-12-09 1977-03-15 Norman Ralph L X-ray tube
JPS5451776A (en) * 1977-10-03 1979-04-23 Nippon Hoso Kyokai <Nhk> Gas discharge display panel
DE2810736A1 (de) * 1978-03-13 1979-09-27 Max Planck Gesellschaft Feldemissionskathode sowie herstellungsverfahren und verwendung hierfuer
US4289969A (en) * 1978-07-10 1981-09-15 Butler Greenwich Inc. Radiation imaging apparatus
US4379977A (en) * 1979-07-31 1983-04-12 State Of Israel, Rafael Armament Development Authority, Ministry Of Defense Space-discharge electronic device particularly useful as a flash X-ray tube
US4417175A (en) * 1981-05-15 1983-11-22 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Ion sputter textured graphite electrode plates
US4670894A (en) * 1985-05-20 1987-06-02 Quantum Diagnostics Ltd. X-ray source employing cold cathode gas discharge tube with collimated beam
FR2623330A1 (fr) * 1987-11-17 1989-05-19 Comp Generale Electricite Generateur d'electrons energetiques dans un gaz
US5079476A (en) * 1990-02-09 1992-01-07 Motorola, Inc. Encapsulated field emission device
FR2668296B1 (fr) * 1990-10-17 1996-08-23 Saint Louis Inst Source de rayons x et procede de detection d'objets mobiles utilisant cette source.
US5442677A (en) * 1993-10-26 1995-08-15 Golden; John Cold-cathode x-ray emitter and tube therefor
US5602439A (en) * 1994-02-14 1997-02-11 The Regents Of The University Of California, Office Of Technology Transfer Diamond-graphite field emitters
US5578901A (en) * 1994-02-14 1996-11-26 E. I. Du Pont De Nemours And Company Diamond fiber field emitters
US5975975A (en) * 1994-09-16 1999-11-02 Micron Technology, Inc. Apparatus and method for stabilization of threshold voltage in field emission displays
US6417605B1 (en) 1994-09-16 2002-07-09 Micron Technology, Inc. Method of preventing junction leakage in field emission devices
TW289864B (it) 1994-09-16 1996-11-01 Micron Display Tech Inc
WO1997007740A1 (en) 1995-08-24 1997-03-06 Interventional Innovations Corporation X-ray catheter
US6377846B1 (en) 1997-02-21 2002-04-23 Medtronic Ave, Inc. Device for delivering localized x-ray radiation and method of manufacture
US6020677A (en) * 1996-11-13 2000-02-01 E. I. Du Pont De Nemours And Company Carbon cone and carbon whisker field emitters
DE69823406T2 (de) * 1997-02-21 2005-01-13 Medtronic AVE, Inc., Santa Rosa Röntgenvorrichtung versehen mit einer Dehnungsstruktur zur lokalen Bestrahlung des Inneren eines Körpers
FR2764731A1 (fr) * 1997-06-13 1998-12-18 Commissariat Energie Atomique Tube a rayons x comportant une source d'electrons a micropointes et des moyens de focalisations magnetique
US5854822A (en) * 1997-07-25 1998-12-29 Xrt Corp. Miniature x-ray device having cold cathode
US6108402A (en) * 1998-01-16 2000-08-22 Medtronic Ave, Inc. Diamond vacuum housing for miniature x-ray device
US6069938A (en) * 1998-03-06 2000-05-30 Chornenky; Victor Ivan Method and x-ray device using pulse high voltage source
US6400069B1 (en) 1998-07-22 2002-06-04 Robert Espinosa E-M wave generation using cold electron emission
US6064718A (en) * 1998-09-29 2000-05-16 The United States Of America As Represented By The Secretary Of The Navy Field emission tube for a mobile X-ray unit
US6289079B1 (en) 1999-03-23 2001-09-11 Medtronic Ave, Inc. X-ray device and deposition process for manufacture
US6353658B1 (en) 1999-09-08 2002-03-05 The Regents Of The University Of California Miniature x-ray source
US6469436B1 (en) * 2000-01-14 2002-10-22 Micron Technology, Inc. Radiation shielding for field emitters
US7809115B2 (en) * 2008-09-09 2010-10-05 The United States Of America As Represented By The Secretary Of The Navy Diode for flash radiography
WO2014133797A1 (en) * 2013-02-14 2014-09-04 Golden Phillip X-ray tube
WO2015102576A1 (en) * 2013-12-30 2015-07-09 Halliburton Energy Services, Inc. Deuterium-deuterium neutron generators
US20170076903A1 (en) * 2015-09-14 2017-03-16 Michael Turner X-ray tube

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2277712A (en) * 1939-02-04 1942-03-31 Slayter Electronic Corp Electric discharge electrode
US3309523A (en) * 1963-06-24 1967-03-14 Field Emission Corp X-ray tube having field emission cathode and evaporative anode in combination with electrical pulser means

Also Published As

Publication number Publication date
DE2216119A1 (de) 1972-11-30
SU433698A3 (ru) 1974-06-25
FR2132696A1 (it) 1972-11-24
US3883760A (en) 1975-05-13

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