(19)

(11)

EP 2 229 686 A1

(12)

(43) Date of publication: 22.09.2010 Bulletin 2010/38 (21) Application number: 08861959.8 (22) Date of filing: 17.12.2008

(51) International Patent Classification (IPC):  H01J 23/34(2006.01) (86) International application number: PCT/US2008/087107 (87) International publication number: WO 2009/079538 (25.06.2009 Gazette 2009/26)

(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 Designated Extension States: AL BA MK RS (30) Priority: 18.12.2007 US 14694 (71) Applicant: Ventiva, Inc. Santa Clara, CA 95051 (US)	(72) Inventor: SCHLITZ, Daniel, Jon Northbrook Illinois 60062 (US) (74) Representative: Carter, Stephen John et al Mewburn Ellis LLP 33 Gutter Lane London EC2V 8AS London EC2V 8AS (GB)