(19)
(11) EP 2 109 890 A2

(12)

(88) Date of publication A3:
16.10.2008

(43) Date of publication:
21.10.2009 Bulletin 2009/43

(21) Application number: 08728213.3

(22) Date of filing: 24.01.2008
(51) International Patent Classification (IPC): 
H01L 27/088(2006.01)
(86) International application number:
PCT/US2008/051913
(87) International publication number:
WO 2008/092004 (31.07.2008 Gazette 2008/31)
(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 MT NL NO PL PT RO SE SI SK TR

(30) Priority: 24.01.2007 US 886363 P

(71) Applicant: Keystone Semiconductor, Inc.
Spring House, PA 19477 (US)

(72) Inventor:
  • LIN, Went, T.
    Ambler, PA 19002 (US)

(74) Representative: Simons, Alison et al
Dummett Copp 25 The Square Martlesham Heath
Ipswich, Suffolk, IP5 3SL
Ipswich, Suffolk, IP5 3SL (GB)

   


(54) DEPLETION-MODE MOSFET CIRCUIT AND APPLICATIONS