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(11)

EP 1 364 452 A1

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(43) Date of publication: 26.11.2003 Bulletin 2003/48 (21) Application number: 02710616.0 (22) Date of filing: 01.02.2002

(51) International Patent Classification (IPC)7: H02N 2/06, H01L 41/04 (86) International application number: PCT/SE0200/179 (87) International publication number: WO 0206/7411 (29.08.2002 Gazette 2002/35)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 19.02.2001 SE 0100543 (71) Applicant: Piezomotor Uppsala AB 754 50 Uppsala (SE)	(72) Inventors: JOHANSSON, Stefan S-752 39 Uppsala (SE) JANSSON, Anders S-752 31 Uppsala (SE) HAKANSSON, Karl S-752 31 Uppsala (SE) (74) Representative: Stenborg, Anders Vilhelm et al Aros Patent AB,P.O. Box 1544 751 45 Uppsala 751 45 Uppsala (SE)