EP 0432568 A3 19910828 - X RAY TUBE ANODE AND TUBE HAVING SAME
Title (en)
X RAY TUBE ANODE AND TUBE HAVING SAME
Publication
Application
Priority
US 44838489 A 19891211
Abstract (en)
[origin: EP0432568A2] An X-ray tube anode (32) has a thin metal film first layer (31a), e.g. W, for producing hard X-rays. A diamond (31b) second layer supports the first layer, conducts heat away from it, and transmits X-rays (34a, 34b). The layers usually have a maximum thickness of about the stopping distance of incident electrons. An X-ray tube has such an anode and a heat sink (38) in contact with the layers. The sink can have a beam dump (42) and a transmission mode X-ray window (36b). A normal mode X-ray window (36a) is in the tube envelope near the anode.
IPC 1-7
IPC 8 full level
H01J 35/08 (2006.01); H01J 35/18 (2006.01)
CPC (source: EP US)
H01J 35/12 (2013.01 - EP US); H01J 35/18 (2013.01 - EP US); H01J 35/116 (2019.04 - EP); H01J 35/186 (2019.04 - EP); H01J 2235/122 (2013.01 - EP); H01J 2235/183 (2013.01 - EP)
Citation (search report)
- [X] US 3867637 A 19750218 - BRAUN MARTIN, et al
- [X] FR 2271659 A1 19751212 - PHILIPS NV [NL]
- [X] EP 0275592 A1 19880727 - PHILIPS NV [NL]
- [X] EP 0292055 A2 19881123 - PHILIPS PATENTVERWALTUNG [DE], et al
- [Y] GB 1249341 A 19711013 - RIGAKU DENKI COMPANY LTD [JP]
- [Y] EP 0319912 A2 19890614 - WANG CHIA GEE DR
- [A] US 3239706 A 19660308 - FARRELL SHERMAN R, et al
Designated contracting state (EPC)
AT DE FR GB NL
DOCDB simple family (publication)
EP 0432568 A2 19910619; EP 0432568 A3 19910828; JP H04144045 A 19920518
DOCDB simple family (application)
EP 90122630 A 19901127; JP 41851990 A 19901210