Global Patent Index - EP 0251830 B1

EP 0251830 B1 19900711 - MULTIPLE BEAM LASERTRON

Title (en)

MULTIPLE BEAM LASERTRON

Publication

EP 0251830 B1 19900711 (FR)

Application

EP 87401020 A 19870504

Priority

FR 8607826 A 19860530

Abstract (en)

[origin: US4749906A] The invention relates to multiple beam lasertrons. The n (n: integer greater than 1) electron beams of the lasertron are obtained from the same laser beam from which n secondary laser beams are extracted, by occultation, which are deflected respectively towards the n photocathodes of the lasertron.

IPC 1-7

H01J 3/02; H01J 23/04; H01J 25/04

IPC 8 full level

H01J 3/02 (2006.01); H01J 23/04 (2006.01); H01J 25/04 (2006.01)

CPC (source: EP US)

H01J 3/021 (2013.01 - EP US); H01J 23/04 (2013.01 - EP US); H01J 25/04 (2013.01 - EP US); H01J 2201/342 (2013.01 - EP US)

Designated contracting state (EPC)

DE GB IT

DOCDB simple family (publication)

EP 0251830 A1 19880107; EP 0251830 B1 19900711; DE 3763628 D1 19900816; FR 2599565 A1 19871204; FR 2599565 B1 19890113; US 4749906 A 19880607

DOCDB simple family (application)

EP 87401020 A 19870504; DE 3763628 T 19870504; FR 8607826 A 19860530; US 5450787 A 19870527