(19)
(11) EP 2 483 216 A1

(12)

(43) Date of publication:
08.08.2012 Bulletin 2012/32

(21) Application number: 10765710.8

(22) Date of filing: 30.09.2010
(51) International Patent Classification (IPC): 
C03C 21/00(2006.01)
G06F 3/041(2006.01)
(86) International application number:
PCT/US2010/050823
(87) International publication number:
WO 2011/041484 (07.04.2011 Gazette 2011/14)
(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 SE SI SK SM TR

(30) Priority: 30.09.2009 US 247493 P

(71) Applicant: Apple Inc.
Cupertino, CA 95014 (US)

(72) Inventors:
  • PREST, Christopher
    San Francisco CA 94114 (US)
  • ZADESKY, Stephen Paul
    Portola Valley CA 94028 (US)

(74) Representative: Gillard, Matthew Paul et al
Withers & Rogers LLP 4 More London Riverside
London SE1 2AU
London SE1 2AU (GB)

   


(54) TECHNIQUES FOR STRENGTHENING GLASS COVERS FOR PORTABLE ELECTRONIC DEVICES