WO2008117494A1 - 記憶素子及び記憶装置 - Google Patents

記憶素子及び記憶装置 Download PDF

Info

Publication number
WO2008117494A1
WO2008117494A1 PCT/JP2007/073242 JP2007073242W WO2008117494A1 WO 2008117494 A1 WO2008117494 A1 WO 2008117494A1 JP 2007073242 W JP2007073242 W JP 2007073242W WO 2008117494 A1 WO2008117494 A1 WO 2008117494A1
Authority
WO
WIPO (PCT)
Prior art keywords
electrodes
elements
current suppression
storage
application
Prior art date
Application number
PCT/JP2007/073242
Other languages
English (en)
French (fr)
Inventor
Koji Arita
Takeshi Takagi
Takumi Mikawa
Yoshio Kawashima
Zhiqiang Wei
Original Assignee
Panasonic Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Panasonic Corporation filed Critical Panasonic Corporation
Priority to US12/532,552 priority Critical patent/US20100061142A1/en
Priority to JP2009506194A priority patent/JP5066565B2/ja
Priority to CN2007800522993A priority patent/CN101636841B/zh
Priority to KR1020097021953A priority patent/KR101151594B1/ko
Priority to EP07832907A priority patent/EP2128901A4/en
Publication of WO2008117494A1 publication Critical patent/WO2008117494A1/ja

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L27/00Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/02Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier
    • H01L27/04Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being a semiconductor body
    • H01L27/10Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being a semiconductor body including a plurality of individual components in a repetitive configuration
    • H01L27/101Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being a semiconductor body including a plurality of individual components in a repetitive configuration including resistors or capacitors only
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L27/00Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/02Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier
    • H01L27/04Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being a semiconductor body
    • H01L27/10Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being a semiconductor body including a plurality of individual components in a repetitive configuration
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C13/00Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/0002Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements
    • G11C13/0007Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements comprising metal oxide memory material, e.g. perovskites
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L28/00Passive two-terminal components without a potential-jump or surface barrier for integrated circuits; Details thereof; Multistep manufacturing processes therefor
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10BELECTRONIC MEMORY DEVICES
    • H10B63/00Resistance change memory devices, e.g. resistive RAM [ReRAM] devices
    • H10B63/20Resistance change memory devices, e.g. resistive RAM [ReRAM] devices comprising selection components having two electrodes, e.g. diodes
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10NELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N70/00Solid-state devices without a potential-jump barrier or surface barrier, and specially adapted for rectifying, amplifying, oscillating or switching
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10NELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N99/00Subject matter not provided for in other groups of this subclass
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C2213/00Indexing scheme relating to G11C13/00 for features not covered by this group
    • G11C2213/30Resistive cell, memory material aspects
    • G11C2213/31Material having complex metal oxide, e.g. perovskite structure
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C2213/00Indexing scheme relating to G11C13/00 for features not covered by this group
    • G11C2213/30Resistive cell, memory material aspects
    • G11C2213/32Material having simple binary metal oxide structure
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C2213/00Indexing scheme relating to G11C13/00 for features not covered by this group
    • G11C2213/30Resistive cell, memory material aspects
    • G11C2213/33Material including silicon
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C2213/00Indexing scheme relating to G11C13/00 for features not covered by this group
    • G11C2213/30Resistive cell, memory material aspects
    • G11C2213/34Material includes an oxide or a nitride
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C2213/00Indexing scheme relating to G11C13/00 for features not covered by this group
    • G11C2213/70Resistive array aspects
    • G11C2213/76Array using an access device for each cell which being not a transistor and not a diode
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10BELECTRONIC MEMORY DEVICES
    • H10B63/00Resistance change memory devices, e.g. resistive RAM [ReRAM] devices
    • H10B63/80Arrangements comprising multiple bistable or multi-stable switching components of the same type on a plane parallel to the substrate, e.g. cross-point arrays
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10NELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N70/00Solid-state devices without a potential-jump barrier or surface barrier, and specially adapted for rectifying, amplifying, oscillating or switching
    • H10N70/20Multistable switching devices, e.g. memristors
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10NELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N70/00Solid-state devices without a potential-jump barrier or surface barrier, and specially adapted for rectifying, amplifying, oscillating or switching
    • H10N70/801Constructional details of multistable switching devices
    • H10N70/821Device geometry
    • H10N70/826Device geometry adapted for essentially vertical current flow, e.g. sandwich or pillar type devices
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10NELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N70/00Solid-state devices without a potential-jump barrier or surface barrier, and specially adapted for rectifying, amplifying, oscillating or switching
    • H10N70/801Constructional details of multistable switching devices
    • H10N70/881Switching materials
    • H10N70/883Oxides or nitrides
    • H10N70/8833Binary metal oxides, e.g. TaOx
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10NELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N70/00Solid-state devices without a potential-jump barrier or surface barrier, and specially adapted for rectifying, amplifying, oscillating or switching
    • H10N70/801Constructional details of multistable switching devices
    • H10N70/881Switching materials
    • H10N70/883Oxides or nitrides
    • H10N70/8836Complex metal oxides, e.g. perovskites, spinels

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Semiconductor Memories (AREA)

Abstract

 記憶装置(21)にマトリクス状に配設された記憶素子(3)が、極性が正又は負の電気パルスの印加によりその電気抵抗値が変化しかつ該変化した後の電気抵抗値を維持する抵抗変化素子(1)と、前記抵抗変化素子に前記電気パルスの印加時に流れる電流を抑制する電流抑制素子(2)とを備え、前記電流抑制素子は、第1の電極と、第2の電極と、前記第1の電極と前記第2の電極との間に配設された電流抑制層とを備え、前記電流抑制層が、SiNx(xは正の実数)により構成されている。
PCT/JP2007/073242 2007-03-22 2007-11-30 記憶素子及び記憶装置 WO2008117494A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US12/532,552 US20100061142A1 (en) 2007-03-22 2007-11-30 Memory element and memory apparatus
JP2009506194A JP5066565B2 (ja) 2007-03-22 2007-11-30 記憶素子及び記憶装置
CN2007800522993A CN101636841B (zh) 2007-03-22 2007-11-30 存储元件和存储装置
KR1020097021953A KR101151594B1 (ko) 2007-03-22 2007-11-30 기억 소자 및 기억 장치
EP07832907A EP2128901A4 (en) 2007-03-22 2007-11-30 STORAGE ELEMENT AND STORAGE DEVICE

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007074513 2007-03-22
JP2007-074513 2007-03-22

Publications (1)

Publication Number Publication Date
WO2008117494A1 true WO2008117494A1 (ja) 2008-10-02

Family

ID=39788236

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/073242 WO2008117494A1 (ja) 2007-03-22 2007-11-30 記憶素子及び記憶装置

Country Status (6)

Country Link
US (1) US20100061142A1 (ja)
EP (1) EP2128901A4 (ja)
JP (2) JP5066565B2 (ja)
KR (1) KR101151594B1 (ja)
CN (1) CN101636841B (ja)
WO (1) WO2008117494A1 (ja)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009069690A1 (ja) * 2007-11-29 2009-06-04 Sony Corporation メモリセル
WO2010004675A1 (ja) * 2008-07-11 2010-01-14 パナソニック株式会社 電流抑制素子、記憶素子、及びこれらの製造方法
WO2010032470A1 (ja) * 2008-09-19 2010-03-25 パナソニック株式会社 電流抑制素子、記憶素子、記憶装置および電流抑制素子の製造方法
WO2010058569A1 (ja) * 2008-11-19 2010-05-27 パナソニック株式会社 不揮発性記憶素子および不揮発性記憶装置
JP2011090758A (ja) * 2009-09-25 2011-05-06 Sharp Corp 不揮発性半導体記憶装置
JP4688979B2 (ja) * 2009-07-13 2011-05-25 パナソニック株式会社 抵抗変化型素子および抵抗変化型記憶装置
JP2013118035A (ja) * 2011-12-05 2013-06-13 Toshiba Corp 半導体記憶装置
US8675387B2 (en) 2009-07-28 2014-03-18 Panasonic Corporation Variable resistance nonvolatile memory device and programming method for same

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011114666A1 (ja) * 2010-03-18 2011-09-22 パナソニック株式会社 電流制御素子、記憶素子、記憶装置および電流制御素子の製造方法
US8766231B2 (en) 2011-03-07 2014-07-01 Hewlett-Packard Development Company, L.P. Nanoscale electronic device with barrier layers
US9196753B2 (en) * 2011-04-19 2015-11-24 Micron Technology, Inc. Select devices including a semiconductive stack having a semiconductive material
US8563366B2 (en) 2012-02-28 2013-10-22 Intermolecular Inc. Memory device having an integrated two-terminal current limiting resistor
WO2014148872A1 (ko) * 2013-03-21 2014-09-25 한양대학교 산학협력단 양방향 스위칭 특성을 갖는 2-단자 스위칭 소자 및 이를 포함하는 저항성 메모리 소자 크로스-포인트 어레이, 및 이들의 제조방법
US8981327B1 (en) 2013-12-23 2015-03-17 Intermolecular, Inc. Carbon-doped silicon based selector element
US8975610B1 (en) 2013-12-23 2015-03-10 Intermolecular, Inc. Silicon based selector element
US9391119B2 (en) * 2014-06-20 2016-07-12 GlobalFoundries, Inc. Non-volatile random access memory devices with shared transistor configuration and methods of forming the same
JP6273184B2 (ja) 2014-09-03 2018-01-31 東芝メモリ株式会社 抵抗変化型記憶装置及びその製造方法
US9735360B2 (en) 2015-12-22 2017-08-15 Arm Ltd. Access devices to correlated electron switch

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61174589A (ja) * 1985-01-29 1986-08-06 セイコーインスツルメンツ株式会社 液晶表示装置の製造方法
JPH03283469A (ja) * 1990-03-30 1991-12-13 Toshiba Corp 液晶表示装置
JPH04253024A (ja) * 1991-01-30 1992-09-08 Seiko Instr Inc 電気光学装置
US6753561B1 (en) * 2002-08-02 2004-06-22 Unity Semiconductor Corporation Cross point memory array using multiple thin films
JP2004319587A (ja) 2003-04-11 2004-11-11 Sharp Corp メモリセル、メモリ装置及びメモリセル製造方法
JP2006203098A (ja) 2005-01-24 2006-08-03 Sharp Corp 不揮発性半導体記憶装置

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5155565A (en) * 1988-02-05 1992-10-13 Minnesota Mining And Manufacturing Company Method for manufacturing an amorphous silicon thin film solar cell and Schottky diode on a common substrate
JP2765967B2 (ja) * 1989-07-26 1998-06-18 沖電気工業株式会社 半導体素子
JP2934677B2 (ja) * 1990-02-01 1999-08-16 セイコーインスツルメンツ株式会社 非線形抵抗素子の製造方法
GB9113795D0 (en) * 1991-06-26 1991-08-14 Philips Electronic Associated Thin-film rom devices and their manufacture
JP4225081B2 (ja) * 2002-04-09 2009-02-18 株式会社村田製作所 電子部品の製造方法、電子部品及び弾性表面波フィルタ
US6917539B2 (en) * 2002-08-02 2005-07-12 Unity Semiconductor Corporation High-density NVRAM
WO2004032196A2 (en) * 2002-10-03 2004-04-15 Pan Jit Americas, Inc. Method of fabricating semiconductor by nitrogen doping of silicon film
US6927074B2 (en) * 2003-05-21 2005-08-09 Sharp Laboratories Of America, Inc. Asymmetric memory cell
JP2005136115A (ja) * 2003-10-30 2005-05-26 Tdk Corp 電子デバイス及びその製造方法
US20060063025A1 (en) * 2004-04-07 2006-03-23 Jing-Yi Huang Method and system for making thin metal films
CN1860609A (zh) * 2004-07-22 2006-11-08 日本电信电话株式会社 双稳态电阻值获得器件、其制造方法、金属氧化物薄膜及其制造方法
US7646630B2 (en) * 2004-11-08 2010-01-12 Ovonyx, Inc. Programmable matrix array with chalcogenide material
US20060219546A1 (en) * 2005-03-31 2006-10-05 Chia-Hong Jan Concentration-graded alloy sputtering target
US7812404B2 (en) * 2005-05-09 2010-10-12 Sandisk 3D Llc Nonvolatile memory cell comprising a diode and a resistance-switching material
US20060250836A1 (en) * 2005-05-09 2006-11-09 Matrix Semiconductor, Inc. Rewriteable memory cell comprising a diode and a resistance-switching material
US7446010B2 (en) * 2005-07-18 2008-11-04 Sharp Laboratories Of America, Inc. Metal/semiconductor/metal (MSM) back-to-back Schottky diode
JP3889023B2 (ja) * 2005-08-05 2007-03-07 シャープ株式会社 可変抵抗素子とその製造方法並びにそれを備えた記憶装置
KR101048199B1 (ko) * 2006-11-20 2011-07-08 파나소닉 주식회사 비휘발성 반도체 기억 장치 및 그 제조 방법
JP4137994B2 (ja) * 2006-11-20 2008-08-20 松下電器産業株式会社 不揮発性記憶素子、不揮発性記憶素子アレイおよびその製造方法
US7382647B1 (en) * 2007-02-27 2008-06-03 International Business Machines Corporation Rectifying element for a crosspoint based memory array architecture
JP4252624B2 (ja) * 2007-06-01 2009-04-08 パナソニック株式会社 抵抗変化型記憶装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61174589A (ja) * 1985-01-29 1986-08-06 セイコーインスツルメンツ株式会社 液晶表示装置の製造方法
JPH03283469A (ja) * 1990-03-30 1991-12-13 Toshiba Corp 液晶表示装置
JPH04253024A (ja) * 1991-01-30 1992-09-08 Seiko Instr Inc 電気光学装置
US6753561B1 (en) * 2002-08-02 2004-06-22 Unity Semiconductor Corporation Cross point memory array using multiple thin films
JP2004319587A (ja) 2003-04-11 2004-11-11 Sharp Corp メモリセル、メモリ装置及びメモリセル製造方法
JP2006203098A (ja) 2005-01-24 2006-08-03 Sharp Corp 不揮発性半導体記憶装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2128901A4

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009069690A1 (ja) * 2007-11-29 2009-06-04 Sony Corporation メモリセル
JP2009135206A (ja) * 2007-11-29 2009-06-18 Sony Corp メモリセル
US8295074B2 (en) 2007-11-29 2012-10-23 Sony Corporation Memory cell
WO2010004675A1 (ja) * 2008-07-11 2010-01-14 パナソニック株式会社 電流抑制素子、記憶素子、及びこれらの製造方法
US8422268B2 (en) 2008-07-11 2013-04-16 Panasonic Corporation Current control element, memory element, and fabrication method thereof
WO2010032470A1 (ja) * 2008-09-19 2010-03-25 パナソニック株式会社 電流抑制素子、記憶素子、記憶装置および電流抑制素子の製造方法
US8355274B2 (en) 2008-09-19 2013-01-15 Panasonic Corporation Current steering element, storage element, storage device, and method for manufacturing current steering element
JPWO2010058569A1 (ja) * 2008-11-19 2012-04-19 パナソニック株式会社 不揮発性記憶素子および不揮発性記憶装置
US8227788B2 (en) 2008-11-19 2012-07-24 Panasonic Corporation Nonvolatile memory element, and nonvolatile memory device
JP4531863B2 (ja) * 2008-11-19 2010-08-25 パナソニック株式会社 不揮発性記憶素子および不揮発性記憶装置
US8399875B1 (en) 2008-11-19 2013-03-19 Panasonic Corporation Nonvolatile memory element, and nonvolatile memory device
WO2010058569A1 (ja) * 2008-11-19 2010-05-27 パナソニック株式会社 不揮発性記憶素子および不揮発性記憶装置
JP4688979B2 (ja) * 2009-07-13 2011-05-25 パナソニック株式会社 抵抗変化型素子および抵抗変化型記憶装置
US8394669B2 (en) 2009-07-13 2013-03-12 Panasonic Corporation Resistance variable element and resistance variable memory device
US8675387B2 (en) 2009-07-28 2014-03-18 Panasonic Corporation Variable resistance nonvolatile memory device and programming method for same
JP2011090758A (ja) * 2009-09-25 2011-05-06 Sharp Corp 不揮発性半導体記憶装置
JP2013118035A (ja) * 2011-12-05 2013-06-13 Toshiba Corp 半導体記憶装置
US8908416B2 (en) 2011-12-05 2014-12-09 Kabushiki Kaisha Toshiba Semiconductor memory device

Also Published As

Publication number Publication date
CN101636841A (zh) 2010-01-27
KR101151594B1 (ko) 2012-05-31
US20100061142A1 (en) 2010-03-11
JP2012253377A (ja) 2012-12-20
EP2128901A4 (en) 2013-01-09
JPWO2008117494A1 (ja) 2010-07-15
KR20100008781A (ko) 2010-01-26
CN101636841B (zh) 2011-06-22
JP5524296B2 (ja) 2014-06-18
JP5066565B2 (ja) 2012-11-07
EP2128901A1 (en) 2009-12-02

Similar Documents

Publication Publication Date Title
WO2008117494A1 (ja) 記憶素子及び記憶装置
WO2008081741A1 (ja) 抵抗変化型素子および抵抗変化型記憶装置
TW200623127A (en) Driving method of variable resistance element and memory device
WO2008081742A1 (ja) 抵抗変化型素子、抵抗変化型記憶装置、および抵抗変化型装置
WO2008046116A3 (en) Method of and apparatus for repelling aquatic creatures
ATE501757T1 (de) Vereinfachter biphasischer defibrillator- kreislauf mit make-only-schaltung
EP3926632A3 (en) Memory cells, memory cell programming methods, memory cell reading methods, memory cell operating methods, and memory devices
WO2009137141A3 (en) Tandem photovoltaic cells
WO2008149484A1 (ja) 不揮発性記憶素子およびその製造方法、並びにその不揮発性記憶素子を用いた不揮発性半導体装置
WO2016087675A3 (en) An electrochemical device for releasing ions
MX2014007548A (es) Circuitos y metodos para limitar el voltaje de circuito abierto de cadenas fotovoltaicas.
WO2008129774A1 (ja) 抵抗変化型記憶装置
WO2007149835A3 (en) Photovoltaic cells
WO2009050861A1 (ja) 不揮発性記憶素子およびその製造方法、並びにその不揮発性記憶素子を用いた不揮発性半導体装置
WO2011109270A3 (en) Downhole static power generator
WO2011159581A3 (en) Memory cell with resistance-switching layers
EP3528264A3 (en) Cylindrical resistance having cylindrical ends and current detection leads
WO2007123503A3 (en) Bismuth oxyfluoride based nanocomposites as electrode materials
WO2008114690A1 (ja) 置換されたビピリジル基とピリドインドール環構造がフェニレン基を介して連結した化合物および有機エレクトロルミネッセンス素子
WO2008126366A1 (ja) 抵抗変化型素子、不揮発性スイッチング素子、および抵抗変化型記憶装置
WO2007064487A8 (en) Current transformer with impedance compensation and associated methods
WO2011149918A3 (en) High surface resistivity electrostatic chuck
EP2690198A3 (en) Apparatus and graphene device manufacturing method using the apparatus
WO2011084597A3 (en) Bidirectional electrowetting actuation with voltage polarity dependence
WO2015010827A3 (en) Module

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 200780052299.3

Country of ref document: CN

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 07832907

Country of ref document: EP

Kind code of ref document: A1

DPE1 Request for preliminary examination filed after expiration of 19th month from priority date (pct application filed from 20040101)
ENP Entry into the national phase

Ref document number: 2009506194

Country of ref document: JP

Kind code of ref document: A

WWE Wipo information: entry into national phase

Ref document number: 12532552

Country of ref document: US

NENP Non-entry into the national phase

Ref country code: DE

WWE Wipo information: entry into national phase

Ref document number: 2007832907

Country of ref document: EP

ENP Entry into the national phase

Ref document number: 20097021953

Country of ref document: KR

Kind code of ref document: A

DPE1 Request for preliminary examination filed after expiration of 19th month from priority date (pct application filed from 20040101)