(19)
(11) EP 0 842 531 A1

(12)

(43) Date of publication:
20.05.1998 Bulletin 1998/21

(21) Application number: 96925907.0

(22) Date of filing: 01.08.1996
(51) International Patent Classification (IPC): 
H01L 21/ 306( . )
(86) International application number:
PCT/GB1996/001864
(87) International publication number:
WO 1997/006555 (20.02.1997 Gazette 1997/09)
(84) Designated Contracting States:
DE FR GB

(30) Priority: 03.08.1995 GB 19950015902

(71) Applicant: THE SECRETARY OF STATE FOR DEFENCE
Farnborough, Hampshire GU14 6TD (GB)

(72) Inventors:
  • WHITAKER, Timothy, John Defence Research Agency
    Malvern Worcs. WR14 3PS (GB)
  • MARTIN, Trevor Defence Research Agency
    Malvern Worcs. WR14 3PS (GB)
  • JOHNSON, Andrew, David Defence Research Agency
    Malvern Worcs. WR14 3PS (GB)
  • FREER, Richard, William Defence Research Agency
    Malvern Worcs. WR14 3PS (GB)

(74) Representative: Skelton, Stephen Richard 
D/IPR (DERA) Formalities Poplar 2a MOD (PE) Abbey Wood #19 P.O. Box 702
Bristol BS12 7DU
Bristol BS12 7DU (GB)

   


(54) A METHOD FOR THE LOW TEMPERATURE CLEANING OF SUBSTRATES CONTAINING INDIUM OR ANTIMONY