MD877G2 - Fotodiodă cuadrant selectivă - Google Patents

Fotodiodă cuadrant selectivă

Info

Publication number
MD877G2
MD877G2 MD96-0339A MD960339A MD877G2 MD 877 G2 MD877 G2 MD 877G2 MD 960339 A MD960339 A MD 960339A MD 877 G2 MD877 G2 MD 877G2
Authority
MD
Moldova
Prior art keywords
quadrant
optical signals
photodetector
selective
invention consists
Prior art date
Application number
MD96-0339A
Other languages
English (en)
Russian (ru)
Other versions
MD877F1 (ro
Inventor
Валериан ДОРОГАН
Валериу КАНЦЕР
Dan Cacerea
Vladimir Branzari
Татьяна ВИЕРУ
Valeriu Coseac
Original Assignee
Валериан ДОРОГАН
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 Валериан ДОРОГАН filed Critical Валериан ДОРОГАН
Priority to MD96-0339A priority Critical patent/MD877G2/ro
Publication of MD877F1 publication Critical patent/MD877F1/ro
Publication of MD877G2 publication Critical patent/MD877G2/ro

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  • Optical Communication System (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

Invenţia se referă la fotodiode cu sensibilitate dimensională pe bază de semiconductori şi poate fi utilizată în sisteme optoelectronice pentru detectarea şi prelucrarea semnalelor optice transmise prin atmosferă în scopul orientării şi dirijării aparatelor de mare viteză.Esenţa invenţiei constă în aceea că fotodioda cuadrant selectivă conţine substratul semiconductor InP, stratul activ, stratul frontal, contacte metalice pe partea din spate şi cea frontală, cu suprafaţa divizată în patru fotoelemente sub formă de sector de cerc şi un inel de gardă periferic circular, iar în centrul cuadrantului este confecţionat un fotodetector electric izolat, cu raportul dintre diametrul fotodetectorului şi diametrul cuadrantului mai mic ca 1:10.Rezultatul tehnic constă în obţinerea unei fotodiode cu caracteristici de coordonată cu pantă bruscă, capabilă să recepţioneze semnale optice unitare cu durata impulsului mai mică de 10 ns, precum şi semnale optice cu frecvenţa mai mare de 1 GHz.
MD96-0339A 1996-11-20 1996-11-20 Fotodiodă cuadrant selectivă MD877G2 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
MD96-0339A MD877G2 (ro) 1996-11-20 1996-11-20 Fotodiodă cuadrant selectivă

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MD96-0339A MD877G2 (ro) 1996-11-20 1996-11-20 Fotodiodă cuadrant selectivă

Publications (2)

Publication Number Publication Date
MD877F1 MD877F1 (ro) 1997-11-30
MD877G2 true MD877G2 (ro) 1998-08-31

Family

ID=19738917

Family Applications (1)

Application Number Title Priority Date Filing Date
MD96-0339A MD877G2 (ro) 1996-11-20 1996-11-20 Fotodiodă cuadrant selectivă

Country Status (1)

Country Link
MD (1) MD877G2 (ro)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MD340Z (ro) * 2010-04-23 2011-09-30 Институт Электронной Инженерии И Промышленных Технологий Bolometru

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
Amorphous Semicond.:Sci. and Technol. 15th Int. Conf., Cambridge, Sept. 6-10, 1993, Pt2, J. Non-Cryst. Solids., 164-166, nr. 2, 1993, E. Fortunato, M. Viera, G. Lavareda, L. Ferreira, R. Martins, "Material properties, project design rules and performances of single and dual axis a-Si:H large area position sensitive detectors: (Pap(", p. 797-800. *
Proseedings of The IVth International Conference on Reliability of Semiconductor Devices and Systems (RSDS’96), 1996, Chişinău, V. Dorogan, V. Brynzari, G. Korotchenkov, A. Snigur, *
В.Г. Трофим, В.А. Чумак. "Оптоэлектронные фотопреобразователи излучений на основе гетеропереходов AlxGa1-xAs-GaAs, 1987 г., "Штиинца", Кишинев, c. 27-47. *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MD340Z (ro) * 2010-04-23 2011-09-30 Институт Электронной Инженерии И Промышленных Технологий Bolometru

Also Published As

Publication number Publication date
MD877F1 (ro) 1997-11-30

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Legal Events

Date Code Title Description
FG3A Granted patent for invention
IF99 Valid patent on 19990615

Free format text: EXPIRES: 20080714