(19)

(11)

EP 2 668 652 A2

(12)

(88) Date of publication A3: 26.10.2012 (43) Date of publication: 04.12.2013 Bulletin 2013/49 (21) Application number: 12739844.4 (22) Date of filing: 24.01.2012

(51) International Patent Classification (IPC):  G21B 1/25(2006.01) (86) International application number: PCT/US2012/022443 (87) International publication number: WO 2012/103150 (02.08.2012 Gazette 2012/31)

(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: 28.01.2011 US 201161437177 P (71) Applicant: Lawrence Livermore National Security, LLC Livermore, CA 94550 (US)	(72) Inventors: BAYRAMIAN, Andy Livermore California 94550 (US) LATKOWSKI, Jeffery Livermore California 94550 (US) SAWICKI, Rick Livermore California 94550 (US) DERI, Robert Livermore California 94550 (US) (74) Representative: Diehl & Partner GbR  Patentanwälte Erika-Mann-Strasse 9 80636 München 80636 München (DE)