EP 0165851 B1 19890104 - RADIATION IMAGE INTENSIFIER VACUUM CONTAINER AND METHOD OF MAKING IT
Title (en)
RADIATION IMAGE INTENSIFIER VACUUM CONTAINER AND METHOD OF MAKING IT
Publication
Application
Priority
FR 8408500 A 19840530
Abstract (en)
[origin: US4763042A] The present invention provides a vacuum envelope for a radiation image intensifying tube and a process for manufacturing same. In a vacuum envelope of the type comprising a central body, an input window made from aluminum or an aluminum alloy at one end of said central body and a transparent output window at the other end of the body, said input window comprises a peripheral skirt fitting over a ring having the same section as said skirt, and made from iron or an iron alloy, integral with the end of the body, said skirt being welded to the ring by magnetic induction welding so as to be vacuum tight.
IPC 1-7
IPC 8 full level
H01J 31/50 (2006.01); H01J 9/24 (2006.01); H01J 9/26 (2006.01)
CPC (source: EP US)
H01J 9/263 (2013.01 - EP US)
Designated contracting state (EPC)
DE GB NL
DOCDB simple family (publication)
EP 0165851 A1 19851227; EP 0165851 B1 19890104; DE 3567317 D1 19890209; FR 2565407 A1 19851206; FR 2565407 B1 19870724; JP S6158149 A 19860325; US 4763042 A 19880809
DOCDB simple family (application)
EP 85401037 A 19850528; DE 3567317 T 19850528; FR 8408500 A 19840530; JP 11554585 A 19850530; US 73647485 A 19850521