Title:
DEVICE FOR PRODUCING PHOTOELECTRONIC EMISSION IN VACUUM
Document Type and Number:
WIPO Patent Application WO/2004/097880
Kind Code:
A1
Abstract:
The invention relates to electrovacuum electronic engineering, in particular to photoemission semiconductor devices operating in a visual and near-ultraviolet region. Said devices can be used for developing a novel class of efficient photoelectronic instruments based on wide-band semiconductors. The inventive device for producing photoelectronic emission in vacuum comprises a semiconductor material layer based on nitrides of elements of a third n-conductivity type group whose concentration is equal or higher than 5?1016 cm-3, forbidden zone width is Eg, electron x affinity and the electronic work function ? on the working surface of said semiconductor material, which is oriented to vacuum and activated with an alkali metal or the oxide thereof satisfying the following relations: Eg> $g(x), etV; $g(x)>?, eV.
More Like This:
| WO/1998/013857 | RADIATION TRANSDUCERS |
| WO/2010/106791 | POLARIZED ELECTRON GUN AND METHOD FOR GENERATING POLARIZED ELECTRON BEAM |
| JP2006302843 | PHOTOELECTRIC SURFACE AND ELECTRON TUBE PROVIDED WITH IT |
Inventors:
Benemanskaya, Galina Vadimovna (ul. Orbeli, 12-54 St.Petersburg, 3, 19422, RU)
Afanasiev, Igor Vasilievich (ul. Orbeli, 12-54 St.Petersburg, 3, 19422, RU)
Vikhnin, Valentin Semenovich (Severny pr, 12-1-184 St.Petersburg, 4, 19435, RU)
Frank-kamenetskaya, Galina Eduardovna (ul. Komissara Smirnova, 8-61 St.Petersburg, 4, 19404, RU)
Shmidt, Natalya Mikhailovna (ul. Cherkasova, 8-1-20 St.Petersburg, 5, 19526, RU)
Afanasiev, Igor Vasilievich (ul. Orbeli, 12-54 St.Petersburg, 3, 19422, RU)
Vikhnin, Valentin Semenovich (Severny pr, 12-1-184 St.Petersburg, 4, 19435, RU)
Frank-kamenetskaya, Galina Eduardovna (ul. Komissara Smirnova, 8-61 St.Petersburg, 4, 19404, RU)
Shmidt, Natalya Mikhailovna (ul. Cherkasova, 8-1-20 St.Petersburg, 5, 19526, RU)
Application Number:
PCT/RU2004/000174
Publication Date:
November 11, 2004
Filing Date:
April 27, 2004
Export Citation:
Assignee:
Benemanskaya, Galina Vadimovna (ul. Orbeli, 12-54 St.Petersburg, 3, 19422, RU)
Afanasiev, Igor Vasilievich (ul. Orbeli, 12-54 St.Petersburg, 3, 19422, RU)
Vikhnin, Valentin Semenovich (Severny pr, 12-1-184 St.Petersburg, 4, 19435, RU)
Frank-kamenetskaya, Galina Eduardovna (ul. Komissara Smirnova, 8-61 St.Petersburg, 4, 19404, RU)
Shmidt, Natalya Mikhailovna (ul. Cherkasova, 8-1-20 St.Petersburg, 5, 19526, RU)
Afanasiev, Igor Vasilievich (ul. Orbeli, 12-54 St.Petersburg, 3, 19422, RU)
Vikhnin, Valentin Semenovich (Severny pr, 12-1-184 St.Petersburg, 4, 19435, RU)
Frank-kamenetskaya, Galina Eduardovna (ul. Komissara Smirnova, 8-61 St.Petersburg, 4, 19404, RU)
Shmidt, Natalya Mikhailovna (ul. Cherkasova, 8-1-20 St.Petersburg, 5, 19526, RU)
International Classes:
H01J1/34; H01J40/06; H01J1/02; H01J40/00; (IPC1-7): H01J1/34; H01J40/06
Attorney, Agent or Firm:
Belov, Vladilen Ivanovich (FTI im. A.F. Ioffe RAN, ul. Politekhnicheskaya 2, St.Petersburg 1, 19402, RU)
Download PDF:
Previous Patent: BRADBURY-NIELSEN GATE AND METHOD OF FABRICATING SAME
Next Patent: BEAM UNIFORMITY AND ANGULAR DISTRIBUTION MEASUREMENT SYSTEM
Next Patent: BEAM UNIFORMITY AND ANGULAR DISTRIBUTION MEASUREMENT SYSTEM