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GB2269048B - Photoemitters - Google Patents

Photoemitters

Info

Publication number
GB2269048B
GB2269048B GB9214125A GB9214125A GB2269048B GB 2269048 B GB2269048 B GB 2269048B GB 9214125 A GB9214125 A GB 9214125A GB 9214125 A GB9214125 A GB 9214125A GB 2269048 B GB2269048 B GB 2269048B
Authority
GB
United Kingdom
Prior art keywords
photoemitters
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 - Lifetime
Application number
GB9214125A
Other versions
GB9214125D0 (en
GB2269048A (en
Inventor
Jonathon Ross Howorth
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.)
THIRD GENERATION TECHNOLOGY LI
Photek Ltd
Original Assignee
THIRD GENERATION TECHNOLOGY LI
Photek 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 THIRD GENERATION TECHNOLOGY LI, Photek Ltd filed Critical THIRD GENERATION TECHNOLOGY LI
Priority to GB9214125A priority Critical patent/GB2269048B/en
Publication of GB9214125D0 publication Critical patent/GB9214125D0/en
Priority to PCT/GB1993/001326 priority patent/WO1994001882A1/en
Publication of GB2269048A publication Critical patent/GB2269048A/en
Application granted granted Critical
Publication of GB2269048B publication Critical patent/GB2269048B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
    • H01J43/04—Electron multipliers
    • H01J43/06—Electrode arrangements
    • H01J43/08—Cathode arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/34—Photo-emissive cathodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2201/00—Electrodes common to discharge tubes
    • H01J2201/34—Photoemissive electrodes
    • H01J2201/342—Cathodes
    • H01J2201/3421—Composition of the emitting surface
    • H01J2201/3423—Semiconductors, e.g. GaAs, NEA emitters
GB9214125A 1992-07-03 1992-07-03 Photoemitters Expired - Lifetime GB2269048B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9214125A GB2269048B (en) 1992-07-03 1992-07-03 Photoemitters
PCT/GB1993/001326 WO1994001882A1 (en) 1992-07-03 1993-06-24 Photoemitters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9214125A GB2269048B (en) 1992-07-03 1992-07-03 Photoemitters

Publications (3)

Publication Number Publication Date
GB9214125D0 GB9214125D0 (en) 1992-08-12
GB2269048A GB2269048A (en) 1994-01-26
GB2269048B true GB2269048B (en) 1995-10-04

Family

ID=10718126

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9214125A Expired - Lifetime GB2269048B (en) 1992-07-03 1992-07-03 Photoemitters

Country Status (2)

Country Link
GB (1) GB2269048B (en)
WO (1) WO1994001882A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2786024B1 (en) * 1998-11-16 2001-06-08 Commissariat Energie Atomique GAS FILLING PHOTON LOCATION DETECTOR
SE514471C2 (en) * 1999-04-30 2001-02-26 Xcounter Ab X-ray detector unit with fixed type converter
DE10014311C2 (en) * 2000-03-23 2003-08-14 Siemens Ag radiation converter
US9076639B2 (en) 2011-09-07 2015-07-07 Kla-Tencor Corporation Transmissive-reflective photocathode
RU2646527C2 (en) * 2016-08-29 2018-03-05 Федеральное государственное казённое военное образовательное учреждение высшего образования "Рязанское высшее воздушно-десантное ордена Суворова дважды Краснознаменное командное училище имени генерала армии В.Ф. Маргелова "Министерства обороны Российской Федерации Emitter with negative electronic affinity

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1417032A (en) * 1972-02-11 1975-12-10 Westinghouse Electric Corp Cold cathode field electron emitting devices
GB1535061A (en) * 1975-12-16 1978-12-06 Standard Telephones Cables Ltd Gallium arsenide photocathode

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2213634B (en) * 1987-12-08 1992-03-18 Third Generation Technology Li Photocathode structures

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1417032A (en) * 1972-02-11 1975-12-10 Westinghouse Electric Corp Cold cathode field electron emitting devices
GB1535061A (en) * 1975-12-16 1978-12-06 Standard Telephones Cables Ltd Gallium arsenide photocathode

Also Published As

Publication number Publication date
GB9214125D0 (en) 1992-08-12
GB2269048A (en) 1994-01-26
WO1994001882A1 (en) 1994-01-20

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Expiry date: 20120702