(19)

(11)

EP 2 286 460 A2

(12)

(88) Date of publication A3: 12.08.2010 (43) Date of publication: 23.02.2011 Bulletin 2011/08 (21) Application number: 09738366.5 (22) Date of filing: 30.03.2009

(51) International Patent Classification (IPC):  H01L 31/0352(2006.01) (86) International application number: PCT/GB2009/000842 (87) International publication number: WO 2009/133336 (05.11.2009 Gazette 2009/45)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA RS (30) Priority: 02.05.2008 GB 0808038 (71) Applicants: Power Textiles Limited Selkirk TD7 5AJ (GB) Wilson, John Ivor Barrett Balerno, Edinburgh EH14 7DG (GB)	(72) Inventors: WILSON, John, Ivor, Barrett Balerno Edinburgh EH14 7DG (GB) MATHER, Robert, Rhodes Selkirk TD7 5AJ (GB) (74) Representative: Gordon, Naoise Padhraic Edward  Black & Associates Ltd 4 Woodside Place Glasgow G3 7QF Glasgow G3 7QF (GB)