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Extract from the Register of European Patents

EP About this file: EP3189548

EP3189548 - 3D SEMICIRCULAR VERTICAL NAND STRING WITH SELF ALIGNED FLOATING GATE OR CHARGE TRAP CELL MEMORY CELLS AND METHODS OF FABRICATING AND OPERATING THE SAME [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  19.02.2021
Database last updated on 11.04.2026
FormerThe patent has been granted
Status updated on  13.03.2020
FormerGrant of patent is intended
Status updated on  07.01.2020
FormerExamination is in progress
Status updated on  15.06.2018
FormerRequest for examination was made
Status updated on  09.06.2017
FormerThe international publication has been made
Status updated on  11.03.2017
Most recent event   Tooltip08.07.2022Lapse of the patent in a contracting state
New state(s): MK		published on 10.08.2022  [2022/32]
Applicant(s)For all designated states
SanDisk Technologies LLC
Two Legacy Town Center
6900 North Dallas Parkway
Plano, Texas 75024 / US
[2017/28]
Inventor(s)01 / KAI, James K.
c/o SanDisk Corporation
951 SanDisk Drive
Milpitas, California 95035 / US
02 / ZHANG, Yanli
c/o SanDisk Corporation
951 SanDisk Drive
Milpitas, California 95035 / US
03 / CHIEN, Henry
c/o SanDisk Corporation
951 SanDisk Drive
Milpitas, California 95035 / US
04 / ALSMEIER, Johann
c/o SanDisk Corporation
951 SanDisk Drive
Milpitas, California 95035 / US
05 / SEROV, Andrey
c/o SanDisk Corporation
951 SanDisk Drive
Milpitas, California 95035 / US
 [2017/28]
Representative(s)Dehns
10 Old Bailey
London EC4M 7NG / GB
[N/P]
Former [2020/16]Dehns
St. Bride's House
10 Salisbury Square
London EC4Y 8JD / GB
Former [2017/28]Tothill, John Paul
Dehns
St Bride's House
10 Salisbury Square
London
EC4Y 8JD / GB
Application number, filing date15747918.927.07.2015
[2017/28]
WO2015US42220
Priority number, dateUS201462046412P05.09.2014         Original published format: US 201462046412 P
US20151474857524.06.2015         Original published format: US201514748575
US20151474867024.06.2015         Original published format: US201514748670
[2017/28]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2016053453
Date:07.04.2016
Language:EN
[2016/14]
Type: A1 Application with search report 
No.:EP3189548
Date:12.07.2017
Language:EN
The application published by WIPO in one of the EPO official languages on 07.04.2016 takes the place of the publication of the European patent application.
[2017/28]
Type: B1 Patent specification 
No.:EP3189548
Date:15.04.2020
Language:EN
[2020/16]
Search report(s)International search report - published on:EP07.04.2016
ClassificationIPC:H01L27/11556, H01L27/11519, H01L27/11582, H01L27/11565, H01L29/66, H01L29/78, // G11C16/04, G11C16/14
[2019/52]
CPC:
H10D30/63 (EP,US); H10B41/27 (EP,KR,US); G11C16/0408 (KR,US);
G11C16/0483 (EP,KR,US); H10B41/10 (EP,KR,US); H10B41/35 (EP,KR,US);
H10B43/10 (EP,KR,US); H10B43/27 (EP,KR,US); H10B43/35 (KR,US);
H10D30/025 (EP,KR,US); H10D30/0411 (KR,US); G11C16/14 (EP,US) (-)
Former IPC [2017/28]H01L27/115
Designated contracting statesAL,   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 [2017/28]
Extension statesBANot yet paid
MENot yet paid
Validation statesMANot yet paid
TitleGerman:HALBKREISFÖRMIGER VERTIKALER 3D-NANDSTRING MIT SELBSTAUSGERICHTETEM FLOATING-GATE UND LADUNGSFALLENZELLSPEICHERZELLEN SOWIE VERFAHREN ZUR HERSTELLUNG UND ZUM BETRIEB DAVON[2017/28]
English:3D SEMICIRCULAR VERTICAL NAND STRING WITH SELF ALIGNED FLOATING GATE OR CHARGE TRAP CELL MEMORY CELLS AND METHODS OF FABRICATING AND OPERATING THE SAME[2017/28]
French:CHAÎNE NON-ET VERTICALE SEMI-CIRCULAIRE 3D AVEC GRILLE FLOTTANTE AUTO-ALIGNÉE OU CELLULES MÉMOIRE À PIÉGEAGE DE CHARGE, ET PROCÉDÉS DE FABRICATION ET DE FONCTIONNEMENT ASSOCIÉS[2017/28]
Entry into regional phase10.03.2017National basic fee paid 
10.03.2017Designation fee(s) paid 
10.03.2017Examination fee paid 
Examination procedure10.03.2017Examination requested  [2017/28]
10.03.2017Date on which the examining division has become responsible
23.10.2017Amendment by applicant (claims and/or description)
15.06.2018Despatch of a communication from the examining division (Time limit: M04)
24.10.2018Reply to a communication from the examining division
15.10.2019Cancellation of oral proceeding that was planned for 17.10.2019
17.10.2019Date of oral proceedings (cancelled)
08.01.2020Communication of intention to grant the patent
09.03.2020Fee for grant paid
09.03.2020Fee for publishing/printing paid
09.03.2020Receipt of the translation of the claim(s)
Opposition(s)18.01.2021No opposition filed within time limit [2021/12]
Fees paidRenewal fee
12.07.2017Renewal fee patent year 03
11.07.2018Renewal fee patent year 04
15.07.2019Renewal fee patent year 05
Opt-out from the exclusive  Tooltip
competence of the Unified
Patent Court		 See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Lapses during opposition  TooltipHU27.07.2015
AL15.04.2020
AT15.04.2020
CY15.04.2020
CZ15.04.2020
DK15.04.2020
EE15.04.2020
ES15.04.2020
FI15.04.2020
HR15.04.2020
IT15.04.2020
LT15.04.2020
LV15.04.2020
MC15.04.2020
MK15.04.2020
MT15.04.2020
NL15.04.2020
PL15.04.2020
RO15.04.2020
RS15.04.2020
SE15.04.2020
SI15.04.2020
SK15.04.2020
SM15.04.2020
TR15.04.2020
BG15.07.2020
NO15.07.2020
GR16.07.2020
GB27.07.2020
IE27.07.2020
LU27.07.2020
BE31.07.2020
CH31.07.2020
FR31.07.2020
LI31.07.2020
IS15.08.2020
PT17.08.2020
[2022/32]
Former [2022/27]HU27.07.2015
AL15.04.2020
AT15.04.2020
CY15.04.2020
CZ15.04.2020
DK15.04.2020
EE15.04.2020
ES15.04.2020
FI15.04.2020
HR15.04.2020
IT15.04.2020
LT15.04.2020
LV15.04.2020
MC15.04.2020
MT15.04.2020
NL15.04.2020
PL15.04.2020
RO15.04.2020
RS15.04.2020
SE15.04.2020
SI15.04.2020
SK15.04.2020
SM15.04.2020
TR15.04.2020
BG15.07.2020
NO15.07.2020
GR16.07.2020
GB27.07.2020
IE27.07.2020
LU27.07.2020
BE31.07.2020
CH31.07.2020
FR31.07.2020
LI31.07.2020
IS15.08.2020
PT17.08.2020
Former [2021/37]AL15.04.2020
AT15.04.2020
CZ15.04.2020
DK15.04.2020
EE15.04.2020
ES15.04.2020
FI15.04.2020
HR15.04.2020
IT15.04.2020
LT15.04.2020
LV15.04.2020
MC15.04.2020
NL15.04.2020
PL15.04.2020
RO15.04.2020
RS15.04.2020
SE15.04.2020
SI15.04.2020
SK15.04.2020
SM15.04.2020
BG15.07.2020
NO15.07.2020
GR16.07.2020
GB27.07.2020
IE27.07.2020
LU27.07.2020
BE31.07.2020
CH31.07.2020
FR31.07.2020
LI31.07.2020
IS15.08.2020
PT17.08.2020
Former [2021/23]AL15.04.2020
AT15.04.2020
CZ15.04.2020
DK15.04.2020
EE15.04.2020
ES15.04.2020
FI15.04.2020
HR15.04.2020
IT15.04.2020
LT15.04.2020
LV15.04.2020
MC15.04.2020
NL15.04.2020
PL15.04.2020
RO15.04.2020
RS15.04.2020
SE15.04.2020
SI15.04.2020
SK15.04.2020
SM15.04.2020
BG15.07.2020
NO15.07.2020
GR16.07.2020
GB27.07.2020
LU27.07.2020
BE31.07.2020
CH31.07.2020
FR31.07.2020
LI31.07.2020
IS15.08.2020
PT17.08.2020
Former [2021/22]AL15.04.2020
AT15.04.2020
CZ15.04.2020
DK15.04.2020
EE15.04.2020
ES15.04.2020
FI15.04.2020
HR15.04.2020
IT15.04.2020
LT15.04.2020
LV15.04.2020
MC15.04.2020
NL15.04.2020
PL15.04.2020
RO15.04.2020
RS15.04.2020
SE15.04.2020
SK15.04.2020
SM15.04.2020
BG15.07.2020
NO15.07.2020
GR16.07.2020
GB27.07.2020
LU27.07.2020
CH31.07.2020
LI31.07.2020
IS15.08.2020
PT17.08.2020
Former [2021/20]AL15.04.2020
AT15.04.2020
CZ15.04.2020
DK15.04.2020
EE15.04.2020
ES15.04.2020
FI15.04.2020
HR15.04.2020
IT15.04.2020
LT15.04.2020
LV15.04.2020
MC15.04.2020
NL15.04.2020
PL15.04.2020
RO15.04.2020
RS15.04.2020
SE15.04.2020
SK15.04.2020
SM15.04.2020
BG15.07.2020
NO15.07.2020
GR16.07.2020
LU27.07.2020
CH31.07.2020
LI31.07.2020
IS15.08.2020
PT17.08.2020
Former [2021/13]AL15.04.2020
AT15.04.2020
CZ15.04.2020
DK15.04.2020
EE15.04.2020
ES15.04.2020
FI15.04.2020
HR15.04.2020
IT15.04.2020
LT15.04.2020
LV15.04.2020
MC15.04.2020
NL15.04.2020
PL15.04.2020
RO15.04.2020
RS15.04.2020
SE15.04.2020
SK15.04.2020
SM15.04.2020
BG15.07.2020
NO15.07.2020
GR16.07.2020
IS15.08.2020
PT17.08.2020
Former [2021/10]AL15.04.2020
AT15.04.2020
CZ15.04.2020
DK15.04.2020
EE15.04.2020
ES15.04.2020
FI15.04.2020
HR15.04.2020
IT15.04.2020
LT15.04.2020
LV15.04.2020
NL15.04.2020
PL15.04.2020
RO15.04.2020
RS15.04.2020
SE15.04.2020
SK15.04.2020
SM15.04.2020
BG15.07.2020
NO15.07.2020
GR16.07.2020
IS15.08.2020
PT17.08.2020
Former [2021/09]AL15.04.2020
AT15.04.2020
CZ15.04.2020
DK15.04.2020
EE15.04.2020
ES15.04.2020
FI15.04.2020
HR15.04.2020
IT15.04.2020
LT15.04.2020
LV15.04.2020
NL15.04.2020
RO15.04.2020
RS15.04.2020
SE15.04.2020
SM15.04.2020
BG15.07.2020
NO15.07.2020
GR16.07.2020
IS15.08.2020
PT17.08.2020
Former [2021/08]AL15.04.2020
DK15.04.2020
ES15.04.2020
FI15.04.2020
HR15.04.2020
LT15.04.2020
LV15.04.2020
NL15.04.2020
RO15.04.2020
RS15.04.2020
SE15.04.2020
SM15.04.2020
BG15.07.2020
NO15.07.2020
GR16.07.2020
IS15.08.2020
PT17.08.2020
Former [2021/04]AL15.04.2020
FI15.04.2020
HR15.04.2020
LT15.04.2020
LV15.04.2020
NL15.04.2020
RS15.04.2020
SE15.04.2020
BG15.07.2020
NO15.07.2020
GR16.07.2020
IS15.08.2020
PT17.08.2020
Former [2021/01]FI15.04.2020
HR15.04.2020
LT15.04.2020
LV15.04.2020
NL15.04.2020
RS15.04.2020
SE15.04.2020
BG15.07.2020
NO15.07.2020
GR16.07.2020
IS15.08.2020
PT17.08.2020
Former [2020/51]FI15.04.2020
HR15.04.2020
LT15.04.2020
LV15.04.2020
NL15.04.2020
RS15.04.2020
SE15.04.2020
NO15.07.2020
GR16.07.2020
IS15.08.2020
PT17.08.2020
Former [2020/50]FI15.04.2020
HR15.04.2020
LT15.04.2020
LV15.04.2020
NL15.04.2020
SE15.04.2020
NO15.07.2020
GR16.07.2020
IS15.08.2020
PT17.08.2020
Former [2020/48]FI15.04.2020
LT15.04.2020
NL15.04.2020
SE15.04.2020
NO15.07.2020
IS15.08.2020
PT17.08.2020
Former [2020/47]LT15.04.2020
NO15.07.2020
IS15.08.2020
Former [2020/46]IS15.08.2020
Cited inInternational search[X] US2012012921  (LIU ZENGTAO et al.)
 [X] US2014131784  (DAVIS NEAL L et al.)
 [X] US2010207194  (TANAKA HIROYASU et al.)
 [X] US2009230454  (PEKNY THEODORE T et al.)
ExaminationUS2014008714
by applicantUS5915167
 US201314133979
 US201414225116
 US201414225176
 US201414317274
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.