(19)

(11)

EP 1 588 319 A1

(12)

(43) Date of publication: 26.10.2005 Bulletin 2005/43 (21) Application number: 04700743.0 (22) Date of filing: 08.01.2004

(51) International Patent Classification (IPC)7: G06K 19/077, H01L 23/498 (86) International application number: PCT/IB2004/000015 (87) International publication number: WO 2004/063980 (29.07.2004 Gazette 2004/31)

(84) Designated Contracting States: 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 Designated Extension States: AL LT LV MK (30) Priority: 08.01.2003 EP 03290044 (71) Applicants: Axalto SA 92120 Montrouge (FR) Schlumberger Malco, Inc. Owings Mills, MD 21117 (US) MC	(72) Inventors: GROENINCK, Denis F-45240 Ligny le Ribault (FR) BREL, Marie-Cécile F-45000 Orléans (FR) (74) Representative: Cour, Pierre  Axalto SA, 50, avenue Jean-Jaurès 92120 Montrouge 92120 Montrouge (FR)