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(11)

EP 1 796 873 A1

(12)

(43) Date of publication: 20.06.2007 Bulletin 2007/25 (21) Application number: 05798546.7 (22) Date of filing: 15.09.2005

(51) International Patent Classification (IPC):  B24B 37/04(2006.01) B24B 49/00(2006.01) (86) International application number: PCT/IB2005/053043 (87) International publication number: WO 2006/035337 (06.04.2006 Gazette 2006/14)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK YU (30) Priority: 27.09.2004 EP 04104686 (71) Applicant: Koninklijke Philips Electronics N.V. 5621 BA Eindhoven (NL)	(72) Inventor: NGUYEN HOANG, Viet NL-5656 AA Eindhoven (NL) (74) Representative: Röggla, Harald et al NXP Semiconductors Austria GmbH IP Department Gutheil-Schoder-Gasse 8-12 1101 Vienna 1101 Vienna (AT)