(19)
(11) EP 3 314 633 A1

(12)

(43) Date of publication:
02.05.2018 Bulletin 2018/18

(21) Application number: 16818736.7

(22) Date of filing: 29.06.2016
(51) International Patent Classification (IPC): 
H01L 21/268(2006.01)
H01L 21/02(2006.01)
H01L 21/324(2006.01)
(86) International application number:
PCT/US2016/040222
(87) International publication number:
WO 2017/004280 (05.01.2017 Gazette 2017/01)
(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
Designated Extension States:
BA ME
Designated Validation States:
MA MD

(30) Priority: 29.06.2015 US 201562186057 P
30.03.2016 US 201662315310 P

(71) Applicant: IPG Photonics Corporation
Oxford, Massachusetts 01540 (US)

(72) Inventors:
  • LEONARDO, Manuel
    Oxford, MA 01540 (US)
  • VON DADELSZEN, Michael
    Oxford, MA 01540 (US)
  • EROKHIN, Yuri
    Oxford, MA 01540 (US)

(74) Representative: Kobiako von Gamm, Iouri 
Bettinger Scheffelt Kobiako von Gamm Rechtsanwälte Patentanwälte Partnergesellschaft mbB Bavariaring 14
80336 München
80336 München (DE)

   


(54) FIBER LASER-BASED SYSTEM FOR UNIFORM CRYSTALLIZATION OF AMORPHOUS SILICON SUBSTRATE