(19)

(11)

EP 2 865 013 A2

(12)

(88) Date of publication A3: 26.03.2015 (43) Date of publication: 29.04.2015 Bulletin 2015/18 (21) Application number: 12814006.8 (22) Date of filing: 12.12.2012

(51) International Patent Classification (IPC):  H01L 31/04(2014.01) (86) International application number: PCT/PL2012/000131 (87) International publication number: WO 2013/089571 (20.06.2013 Gazette 2013/25)

(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: 13.12.2011 PL 39735311 (71) Applicant: Zawada, Henryk 41-106 Siemianowice Slaskie (PL)	(72) Inventor: Zawada, Henryk 41-106 Siemianowice Slaskie (PL) (74) Representative: Maslowski, Andrzej  Patent and Trade Mark Bureau Al. W. Korfantego 83 P.O.Box 3644 40-160 Katowice 40-160 Katowice (PL)