Global Patent Index - EP 1557865 A1

EP 1557865 A1 20050727 - Microfocus x-ray tube for microscopic inspection apparatus

Title (en)

Microfocus x-ray tube for microscopic inspection apparatus

Title (de)

Mikrofokus-Röntgenröhre für ein Inspektionsmikroskop

Title (fr)

Tube rayons-X à microfoyer pour appareil d'inspection microscopique

Publication

EP 1557865 A1 20050727 (EN)

Application

EP 04001490 A 20040123

Priority

EP 04001490 A 20040123

Abstract (en)

An X-ray microscopic inspection apparatus with high resolving power equal to or better than 0.1 mu m requiring only short exposure time. The X-ray microscopic inspection apparatus comprises X-ray generating means generating X-rays by impinging electrons on a target (3), a magnetic superposition lens having a magnetic field generating portion disposed in the vicinity of an electron generating portion of an electron gun (1). Further, the apparatus includes a liquid metal electron source using liquid metal or a thermal field emission electron source anda target with a heat sink comprising thin CVD diamond plate. <IMAGE>

IPC 1-7

H01J 35/14; H01J 35/06; H01J 35/12; H01J 35/18; G21K 7/00

IPC 8 full level

G21K 7/00 (2006.01); H01J 35/06 (2006.01); H01J 35/12 (2006.01); H01J 35/14 (2006.01); H01J 35/18 (2006.01); H05G 1/02 (2006.01)

CPC (source: EP US)

G21K 7/00 (2013.01 - EP); H01J 35/12 (2013.01 - EP US); H01J 35/147 (2019.04 - EP US); H01J 35/116 (2019.04 - EP); H01J 35/186 (2019.04 - EP); H01J 2235/1204 (2013.01 - EP US); H01J 2237/2807 (2013.01 - EP)

Citation (search report)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

DOCDB simple family (publication)

EP 1557865 A1 20050727

DOCDB simple family (application)

EP 04001490 A 20040123