(19)

(11)

EP 3 639 265 A1

(12)

(43) Date of publication: 22.04.2020 Bulletin 2020/17 (21) Application number: 18818644.9 (22) Date of filing: 18.05.2018

(51) International Patent Classification (IPC):  G11C 11/4096(2006.01) G11C 8/12(2006.01) G11C 5/06(2006.01) (86) International application number: PCT/US2018/033317 (87) International publication number: WO 2018/231423 (20.12.2018 Gazette 2018/51)

(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: KH MA MD TN (30) Priority: 12.06.2017 US 201762518575 P 10.05.2018 US 201815976580 (71) Applicant: Micron Technology, Inc. Boise, ID 83716-9632 (US)	(72) Inventor: KEETH, Brent Boise, Idaho 83716-9632 (US) (74) Representative: Grant, David Michael  Marks & Clerk LLP 15 Fetter Lane London EC4A 1BW London EC4A 1BW (GB)