CN101369628A - 相变化内存 - Google Patents
相变化内存 Download PDFInfo
- Publication number
- CN101369628A CN101369628A CNA2007101528240A CN200710152824A CN101369628A CN 101369628 A CN101369628 A CN 101369628A CN A2007101528240 A CNA2007101528240 A CN A2007101528240A CN 200710152824 A CN200710152824 A CN 200710152824A CN 101369628 A CN101369628 A CN 101369628A
- Authority
- CN
- China
- Prior art keywords
- phase
- memory element
- section
- cross
- layer
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 230000008859 change Effects 0.000 claims abstract description 49
- 239000000463 material Substances 0.000 claims description 13
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 150000001786 chalcogen compounds Chemical class 0.000 claims description 5
- 229910052750 molybdenum Inorganic materials 0.000 claims description 5
- 229910052719 titanium Inorganic materials 0.000 claims description 5
- 229910052721 tungsten Inorganic materials 0.000 claims description 5
- 229910005872 GeSb Inorganic materials 0.000 claims description 3
- 229910000618 GeSbTe Inorganic materials 0.000 claims description 3
- 229910005900 GeTe Inorganic materials 0.000 claims description 3
- 229910018321 SbTe Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 description 13
- 229910052751 metal Inorganic materials 0.000 description 13
- 239000000758 substrate Substances 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
- 229910004166 TaN Inorganic materials 0.000 description 3
- 229910008599 TiW Inorganic materials 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000003989 dielectric material Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052718 tin Inorganic materials 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052787 antimony Inorganic materials 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 150000001721 carbon Chemical class 0.000 description 2
- 229910052732 germanium Inorganic materials 0.000 description 2
- 238000001259 photo etching Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229910052714 tellurium Inorganic materials 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 150000004770 chalcogenides Chemical class 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000012782 phase change material Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/56—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using storage elements with more than two stable states represented by steps, e.g. of voltage, current, phase, frequency
- G11C11/5678—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using storage elements with more than two stable states represented by steps, e.g. of voltage, current, phase, frequency using amorphous/crystalline phase transition storage elements
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
- G11C13/0002—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements
- G11C13/0004—Digital 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 amorphous/crystalline phase transition cells
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N70/00—Solid-state devices having no potential barriers, and specially adapted for rectifying, amplifying, oscillating or switching
- H10N70/20—Multistable switching devices, e.g. memristors
- H10N70/231—Multistable switching devices, e.g. memristors based on solid-state phase change, e.g. between amorphous and crystalline phases, Ovshinsky effect
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N70/00—Solid-state devices having no potential barriers, and specially adapted for rectifying, amplifying, oscillating or switching
- H10N70/801—Constructional details of multistable switching devices
- H10N70/821—Device geometry
- H10N70/826—Device geometry adapted for essentially vertical current flow, e.g. sandwich or pillar type devices
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N70/00—Solid-state devices having no potential barriers, and specially adapted for rectifying, amplifying, oscillating or switching
- H10N70/801—Constructional details of multistable switching devices
- H10N70/841—Electrodes
- H10N70/8413—Electrodes adapted for resistive heating
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N70/00—Solid-state devices having no potential barriers, and specially adapted for rectifying, amplifying, oscillating or switching
- H10N70/801—Constructional details of multistable switching devices
- H10N70/881—Switching materials
- H10N70/882—Compounds of sulfur, selenium or tellurium, e.g. chalcogenides
- H10N70/8828—Tellurides, e.g. GeSbTe
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C2213/00—Indexing scheme relating to G11C13/00 for features not covered by this group
- G11C2213/50—Resistive cell structure aspects
- G11C2213/56—Structure including two electrodes, a memory active layer and a so called passive or source or reservoir layer which is NOT an electrode, wherein the passive or source or reservoir layer is a source of ions which migrate afterwards in the memory active layer to be only trapped there, to form conductive filaments there or to react with the material of the memory active layer in redox way
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Semiconductor Memories (AREA)
Abstract
Description
Claims (10)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/889,522 US20090045386A1 (en) | 2007-08-14 | 2007-08-14 | Phase-change memory element |
US11/889,522 | 2007-08-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN101369628A true CN101369628A (zh) | 2009-02-18 |
Family
ID=40362250
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNA2007101528240A Pending CN101369628A (zh) | 2007-08-14 | 2007-09-18 | 相变化内存 |
Country Status (2)
Country | Link |
---|---|
US (1) | US20090045386A1 (zh) |
CN (1) | CN101369628A (zh) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104993049A (zh) * | 2015-07-08 | 2015-10-21 | 宁波时代全芯科技有限公司 | 相变化存储装置及其制造方法 |
CN106206639A (zh) * | 2015-05-25 | 2016-12-07 | 宁波时代全芯科技有限公司 | 具有针状接面的相变化记忆装置及其制造方法 |
CN110660908A (zh) * | 2018-06-29 | 2020-01-07 | 台湾积体电路制造股份有限公司 | 存储器装置及其制造方法 |
CN113258000A (zh) * | 2020-02-11 | 2021-08-13 | 台湾积体电路制造股份有限公司 | 半导体结构和形成半导体器件的方法 |
CN113421882A (zh) * | 2021-06-21 | 2021-09-21 | 无锡拍字节科技有限公司 | 一种铁电存储器及其制造方法 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20110015934A (ko) * | 2009-08-10 | 2011-02-17 | 삼성전자주식회사 | 비휘발성 메모리 장치 및 이의 프로그램 방법 |
US9082972B2 (en) | 2012-07-24 | 2015-07-14 | Hewlett-Packard Development Company, L.P. | Bipolar resistive switch heat mitigation |
US11114448B2 (en) * | 2019-07-09 | 2021-09-07 | Nanya Technology Corporation | Semiconductor device and method for fabricating the same |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5789758A (en) * | 1995-06-07 | 1998-08-04 | Micron Technology, Inc. | Chalcogenide memory cell with a plurality of chalcogenide electrodes |
KR100486306B1 (ko) * | 2003-02-24 | 2005-04-29 | 삼성전자주식회사 | 셀프 히터 구조를 가지는 상변화 메모리 소자 |
KR100642634B1 (ko) * | 2004-06-29 | 2006-11-10 | 삼성전자주식회사 | 게이트 상전이막 패턴을 갖는 피이. 램들 및 그 형성방법들 |
TWI254443B (en) * | 2004-10-08 | 2006-05-01 | Ind Tech Res Inst | Multilevel phase-change memory, manufacture method and status transferring method thereof |
TWI280614B (en) * | 2004-11-09 | 2007-05-01 | Ind Tech Res Inst | Multilevel phase-change memory, manufacture method and operating method thereof |
US7282730B2 (en) * | 2005-01-18 | 2007-10-16 | Intel Corporation | Forming a carbon layer between phase change layers of a phase change memory |
JP2007073779A (ja) * | 2005-09-07 | 2007-03-22 | Elpida Memory Inc | 不揮発性メモリ素子及びその製造方法 |
JP2007214419A (ja) * | 2006-02-10 | 2007-08-23 | Toshiba Corp | 半導体装置 |
-
2007
- 2007-08-14 US US11/889,522 patent/US20090045386A1/en not_active Abandoned
- 2007-09-18 CN CNA2007101528240A patent/CN101369628A/zh active Pending
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106206639A (zh) * | 2015-05-25 | 2016-12-07 | 宁波时代全芯科技有限公司 | 具有针状接面的相变化记忆装置及其制造方法 |
CN106206639B (zh) * | 2015-05-25 | 2019-08-06 | 江苏时代全芯存储科技股份有限公司 | 具有针状接面的相变化记忆装置及其制造方法 |
CN104993049A (zh) * | 2015-07-08 | 2015-10-21 | 宁波时代全芯科技有限公司 | 相变化存储装置及其制造方法 |
CN104993049B (zh) * | 2015-07-08 | 2017-08-08 | 江苏时代全芯存储科技有限公司 | 相变化存储装置及其制造方法 |
CN110660908A (zh) * | 2018-06-29 | 2020-01-07 | 台湾积体电路制造股份有限公司 | 存储器装置及其制造方法 |
CN110660908B (zh) * | 2018-06-29 | 2022-11-29 | 台湾积体电路制造股份有限公司 | 存储器装置及其制造方法 |
CN113258000A (zh) * | 2020-02-11 | 2021-08-13 | 台湾积体电路制造股份有限公司 | 半导体结构和形成半导体器件的方法 |
CN113421882A (zh) * | 2021-06-21 | 2021-09-21 | 无锡拍字节科技有限公司 | 一种铁电存储器及其制造方法 |
Also Published As
Publication number | Publication date |
---|---|
US20090045386A1 (en) | 2009-02-19 |
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Legal Events
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: POWERCHIP SEMICONDUCTOR CORP. NAN YA TECHNOLOGY CORP. PROMOS TECHNOLOGIES INC. WINBOND ELECTRONICS CORPORATION |
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C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: HSINCHU COUNTY, TAIWAN PROVINCE, CHINA TO: HSINCHU COUNTY, TAIWAN PROVINCE |
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TA01 | Transfer of patent application right |
Effective date of registration: 20100702 Address after: Hsinchu County of Taiwan Applicant after: Industrial Technology Research Institute Address before: Hsinchu County, Taiwan, China Applicant before: Industrial Technology Research Institute Co-applicant before: Powerchip Semiconductor Corp. Co-applicant before: Nanya Sci. & Tech. Co., Ltd. Co-applicant before: Maode Science and Technology Co., Ltd. Co-applicant before: Huabang Electronics Co., Ltd. |
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C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090218 |