(19)
(11) EP 0 263 839 A1

(12)

(43) Date of publication:
20.04.1988 Bulletin 1988/16

(21) Application number: 87901437.0

(22) Date of filing: 16.02.1987
(51) International Patent Classification (IPC): 
H01J 37/ 20( . )
H01J 37/ 28( . )
(86) International application number:
PCT/EP1987/000077
(87) International publication number:
WO 1987/005150 (27.08.1987 Gazette 1987/19)
(84) Designated Contracting States:
AT BE CH DE FR GB IT LI LU NL SE

(30) Priority: 18.02.1986 GB 19860004004
03.12.1986 GB 19860028900

(71) Applicant: CAMBRIDGE INSTRUMENTS LIMITED
Cambridge CB3 8EL (GB)

(72) Inventor:
  • SHAH, Jitendra, Shantilal
    Chew Magna Bristol BS18 8QQ (GB)

(74) Representative: Foster, David Martyn 
MATHISEN MACARA & CO. The Coach House 6-8 Swakeleys Road
Ickenham Uxbridge UB10 8BZ
Ickenham Uxbridge UB10 8BZ (GB)

   


(54) SPECIMEN CHAMBER FOR SCANNING ELECTRON BEAM INSTRUMENTS