(19)

(11)

EP 2 718 990 A2

(12)

(88) Date of publication A3: 25.04.2013 (43) Date of publication: 16.04.2014 Bulletin 2014/16 (21) Application number: 12737855.2 (22) Date of filing: 06.06.2012

(51) International Patent Classification (IPC):  H01L 51/42(2006.01) H01L 51/00(2006.01) H01L 51/44(2006.01) (86) International application number: PCT/GB2012/051263 (87) International publication number: WO 2012/168700 (13.12.2012 Gazette 2012/50)

(84) Designated Contracting States: AL 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 RS SE SI SK SM TR (30) Priority: 06.06.2011 GB 201109389 (71) Applicant: Inside2Outside Limited London N20 9BH (GB)	(72) Inventors: CARPENTER, Robert London N20 9BH (GB) FLEMING, Patrick Henley-on-Thames Oxfordshire RG9 1ND (GB) STOEVA, Zlatka Cambridge Cambridgeshire CB5 8LA (GB) TONCHEV, Dan Cambridge Cambridgeshire CB5 8LA (GB) (74) Representative: Belcher, Simon James  Urquhart-Dykes & Lord LLP Tower North Central Merrion Way Leeds LS2 8PA Leeds LS2 8PA (GB)