KR20070114156A - Snse 기반의 제한적인 재프로그램 가능 셀 - Google Patents
Snse 기반의 제한적인 재프로그램 가능 셀Info
- Publication number
- KR20070114156A KR20070114156A KR1020077021078A KR20077021078A KR20070114156A KR 20070114156 A KR20070114156 A KR 20070114156A KR 1020077021078 A KR1020077021078 A KR 1020077021078A KR 20077021078 A KR20077021078 A KR 20077021078A KR 20070114156 A KR20070114156 A KR 20070114156A
- Authority
- KR
- South Korea
- Prior art keywords
- layer
- chalcogenide
- tin
- forming
- electrode
- Prior art date
Links
- 239000000463 material Substances 0.000 claims abstract description 115
- 150000004770 chalcogenides Chemical class 0.000 claims abstract description 55
- 238000000034 method Methods 0.000 claims abstract description 50
- 229910052732 germanium Inorganic materials 0.000 claims abstract description 25
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims abstract description 24
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 10
- 239000000758 substrate Substances 0.000 claims description 31
- 229910052751 metal Inorganic materials 0.000 claims description 27
- 239000002184 metal Substances 0.000 claims description 27
- 229910052709 silver Inorganic materials 0.000 claims description 22
- 239000004332 silver Substances 0.000 claims description 22
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 21
- 239000005387 chalcogenide glass Substances 0.000 claims description 15
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 8
- 229910052721 tungsten Inorganic materials 0.000 claims description 8
- 239000010937 tungsten Substances 0.000 claims description 8
- 238000005530 etching Methods 0.000 claims description 4
- 238000000151 deposition Methods 0.000 claims description 2
- GPMBECJIPQBCKI-UHFFFAOYSA-N germanium telluride Chemical compound [Te]=[Ge]=[Te] GPMBECJIPQBCKI-UHFFFAOYSA-N 0.000 claims 2
- WYUZTTNXJUJWQQ-UHFFFAOYSA-N tin telluride Chemical compound [Te]=[Sn] WYUZTTNXJUJWQQ-UHFFFAOYSA-N 0.000 claims 2
- 239000010410 layer Substances 0.000 description 92
- 239000011669 selenium Substances 0.000 description 17
- 210000004027 cell Anatomy 0.000 description 13
- 239000004065 semiconductor Substances 0.000 description 11
- 239000004020 conductor Substances 0.000 description 10
- 229910052718 tin Inorganic materials 0.000 description 9
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 5
- 239000000956 alloy Substances 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 5
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 5
- 229910052581 Si3N4 Inorganic materials 0.000 description 4
- 229910021645 metal ion Inorganic materials 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 229910052711 selenium Inorganic materials 0.000 description 4
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 4
- 238000004544 sputter deposition Methods 0.000 description 4
- QIHHYQWNYKOHEV-UHFFFAOYSA-N 4-tert-butyl-3-nitrobenzoic acid Chemical compound CC(C)(C)C1=CC=C(C(O)=O)C=C1[N+]([O-])=O QIHHYQWNYKOHEV-UHFFFAOYSA-N 0.000 description 3
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- MFIWAIVSOUGHLI-UHFFFAOYSA-N selenium;tin Chemical compound [Sn]=[Se] MFIWAIVSOUGHLI-UHFFFAOYSA-N 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 239000011593 sulfur Substances 0.000 description 3
- 229910052714 tellurium Inorganic materials 0.000 description 3
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229920002120 photoresistant polymer Polymers 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 229910052699 polonium Inorganic materials 0.000 description 2
- HZEBHPIOVYHPMT-UHFFFAOYSA-N polonium atom Chemical compound [Po] HZEBHPIOVYHPMT-UHFFFAOYSA-N 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920005591 polysilicon Polymers 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910005829 GeS Inorganic materials 0.000 description 1
- 229910005866 GeSe Inorganic materials 0.000 description 1
- 229910005900 GeTe Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910001128 Sn alloy Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910052798 chalcogen Inorganic materials 0.000 description 1
- 150000001787 chalcogens Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010549 co-Evaporation Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000002178 crystalline material Substances 0.000 description 1
- 210000001787 dendrite Anatomy 0.000 description 1
- KDSXXMBJKHQCAA-UHFFFAOYSA-N disilver;selenium(2-) Chemical compound [Se-2].[Ag+].[Ag+] KDSXXMBJKHQCAA-UHFFFAOYSA-N 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 231100001231 less toxic Toxicity 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005240 physical vapour deposition Methods 0.000 description 1
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- -1 silver ions Chemical class 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910001432 tin ion Inorganic materials 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- 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
- H10N70/24—Multistable switching devices, e.g. memristors based on migration or redistribution of ionic species, e.g. anions, vacancies
- H10N70/245—Multistable switching devices, e.g. memristors based on migration or redistribution of ionic species, e.g. anions, vacancies the species being metal cations, e.g. programmable metallization cells
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C16/00—Erasable programmable read-only memories
- G11C16/02—Erasable programmable read-only memories electrically programmable
-
- 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
- G11C13/0009—RRAM elements whose operation depends upon chemical change
- G11C13/0011—RRAM elements whose operation depends upon chemical change comprising conductive bridging RAM [CBRAM] or programming metallization cells [PMCs]
-
- 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
- G11C13/0021—Auxiliary circuits
- G11C13/0069—Writing or programming circuits or methods
-
- 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
-
- 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
- H10N70/011—Manufacture or treatment of multistable switching devices
- H10N70/061—Shaping switching materials
- H10N70/063—Shaping switching materials by etching of pre-deposited switching material layers, e.g. lithography
-
- 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
- H10N70/881—Switching materials
- H10N70/882—Compounds of sulfur, selenium or tellurium, e.g. chalcogenides
- H10N70/8825—Selenides, e.g. GeSe
-
- 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
- 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
- G11C13/0021—Auxiliary circuits
- G11C13/0069—Writing or programming circuits or methods
- G11C2013/009—Write using potential difference applied between cell electrodes
-
- 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
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Semiconductor Memories (AREA)
Abstract
Description
Claims (69)
- 제1 전극;제2 전극;상기 제1 전극과 상기 제2 전극 사이의 칼코게나이드 또는 반금속 재료의 재료층; 및상기 칼코게나이드 재료층과 상기 제2 전극 사이의 주석-칼코게나이드층을 포함하고, 상기 주석-칼코게나이드층의 두께 대 상기 재료층의 두께의 비는 약 4:3 미만인, 메모리 장치.
- 청구항 1에 있어서, 상기 재료층은 칼코게나이드 유리를 포함하는, 메모리 장치.
- 청구항 1에 있어서, 상기 재료층은 결정질 칼코게나이드 재료를 포함하는, 메모리 장치.
- 청구항 1에 있어서, 상기 재료층은 게르마늄의 층인, 메모리 장치.
- 청구항 1에 있어서, 상기 재료층은 게르마늄 텔루라이드를 포함하는, 메모리 장치.
- 청구항 1에 있어서, 상기 재료층은 GexSe100 -x를 포함하는, 메모리 장치.
- 청구항 5에 있어서, 상기 GexSe100 -x는 약 Ge33Se67∼약 Ge60Se40 사이의 화학양론을 갖는, 메모리 장치.
- 청구항 1에 있어서, 상기 주석-칼코게나이드층과 상기 제2 전극 사이에 금속층을 더 포함하는, 메모리 장치.
- 청구항 1에 있어서, 상기 금속층은 은을 포함하는, 메모리 장치.
- 청구항 1에 있어서, 상기 주석-칼코게나이드층은 Sn1 +/- xSe를 포함하고, 여기에서 x는 약 1과 약 0 사이에 있는, 메모리 장치.
- 청구항 1에 있어서, 상기 주석-칼코게나이드층은 주석-텔루라이드를 포함하는 층을 포함하는, 메모리 장치.
- 청구항 1에 있어서, 상기 제1 및 제2 전극 중 적어도 하나는 텅스텐을 포함하는, 메모리 장치.
- 청구항 1에 있어서, 상기 제2 전극은 금속 함유층 상에 있고 은을 포함하는, 메모리 장치.
- 청구항 1에 있어서, 상기 재료층과 상기 주석-칼코게나이드층은 절연층 내의 비아(via) 내에 제공되는, 메모리 장치.
- 청구항 1에 있어서, 상기 재료층과 상기 주석-칼코게나이드층은 기판 상의 블랭킷(blanket)층이고, 상기 제2 전극은 메모리 소자의 배치를 정하는, 메모리 장치.
- 청구항 1에 있어서, 상기 재료층의 두께와 상기 주석-칼코게나이드층의 두께는 상기 메모리 장치가 제한된 횟수만큼 프로그램 가능하도록 되어 있는, 메모리 장치.
- 청구항 1에 있어서, 상기 재료층의 두께와 상기 주석-칼코게나이드층의 두께는 상기 메모리 장치가 일단 프로그래밍되면 소거될 수 없도록 되어 있는, 메모리 장치.
- 청구항 1에 있어서, 상기 재료층의 두께는 약 300Å이고, 상기 주석-칼코게 나이드층의 두께는 약 100Å∼약 400Å 사이인, 메모리 장치.
- 청구항 18에 있어서, 상기 주석-칼코게나이드층과 상기 제2 전극 사이에 금속층을 더 포함하고, 상기 금속층은 약 300Å∼약 500Å의 두께를 갖는, 메모리 장치.
- 청구항 1에 있어서, 상기 재료층의 두께는 약 100Å과 약 1000Å 사이인, 메모리 장치.
- 청구항 1에 있어서, 상기 주석-칼코게나이드층의 두께 대 상기 재료층의 두께의 비는 약 1:3 및 약 4:3 사이인, 메모리 장치.
- 기판;상기 기판 상의 도전성 어드레스 라인;상기 도전성 어드레스 라인 상의 제1 전극;상기 제1 전극 상의 결정질 칼코게나이드 재료층;상기 결정질 칼코게나이드 재료층 상의 주석-칼코게나이드층; 및금속 함유층 상의 제2 전극을 포함하는, 메모리 장치.
- 청구항 22에 있어서, 상기 주석-칼코게나이드층과 상기 제2 전극 사이에 금 속층을 더 포함하는, 메모리 장치.
- 청구항 22에 있어서, 상기 결정질 칼코게나이드 재료층의 두께와 상기 주석-칼코게나이드층의 두께는 상기 메모리 장치가 제한된 횟수만큼 프로그램 가능하도록 되어 있는, 메모리 장치.
- 청구항 22에 있어서, 상기 주석-칼코게나이드층의 두께 대 상기 결정질 칼코게나이드 재료층의 두께의 비는 약 4:3 미만인, 메모리 장치.
- 기판;상기 기판 상의 도전성 어드레스 라인;상기 도전성 어드레스 라인 상의 제1 전극;상기 제1 전극 상의 게르마늄층;상기 게르마늄층 상의 주석-칼코게나이드층; 및금속 함유층 상의 제2 전극을 포함하는, 메모리 장치.
- 청구항 26에 있어서, 상기 주석-칼코게나이드층과 상기 제2 전극 사이에 금속층을 더 포함하는, 메모리 장치.
- 청구항 26에 있어서, 상기 게르마늄층의 두께와 상기 주석-칼코게나이드층의 두께는 상기 메모리 장치가 제한된 횟수만큼 프로그램 가능하도록 되어 있는, 메모리 장치.
- 청구항 26에 있어서, 상기 주석-칼코게나이드층의 두께 대 상기 게르마늄층의 두께의 비는 약 4:3 미만인, 메모리 장치.
- 프로세서; 및제한된 횟수만큼 프로그램 가능하도록 구성되는 메모리 장치를 포함하는 프로세서 시스템으로서, 상기 메모리 장치는:제1 전극;제2 전극;상기 제1 전극과 상기 제2 전극 사이의 칼코게나이드 또는 반금속 재료의 재료층; 및상기 칼코게나이드 재료층과 상기 제2 전극 사이의 주석-칼코게나이드층을 포함하고, 상기 주석-칼코게나이드층의 두께 대 상기 재료층의 두께의 비는 약 4:3 미만인, 프로세서 시스템.
- 청구항 30에 있어서, 상기 재료층은 칼코게나이드 유리를 포함하는, 프로세서 시스템.
- 청구항 30에 있어서, 상기 재료층은 결정질 칼코게나이드 재료를 포함하는, 프로세서 시스템.
- 청구항 30에 있어서, 상기 재료층은 게르마늄의 층인, 프로세서 시스템.
- 청구항 30에 있어서, 상기 주석-칼코게나이드층과 상기 제2 전극 사이에 금속층을 더 포함하는, 프로세서 시스템.
- 청구항 34에 있어서, 상기 금속층은 은을 포함하는, 프로세서 시스템.
- 메모리 장치를 형성하는 방법으로서,기판을 제공하는 단계;상기 기판 상에 제1 전극을 형성하는 단계;상기 기판 상에 제2 전극을 형성하는 단계;상기 제1 전극과 상기 제2 전극 사이에 칼코게나이드 또는 반금속 재료의 재료층을 형성하는 단계; 및상기 칼코게나이드 재료층과 상기 제2 전극 사이에 주석-칼코게나이드층을 형성하는 단계로서, 상기 재료층과 상기 주석-칼코게나이드층은 상기 주석-칼코게나이드층의 두께 대 상기 재료층의 두께의 비가 약 4:3 미만이 되도록 형성되는, 단계를 포함하는, 메모리 장치 형성 방법.
- 청구항 36에 있어서, 상기 재료층을 형성하는 단계는 칼코게나이드 유리를 포함하는 층을 형성하는 단계를 포함하는, 메모리 장치 형성 방법.
- 청구항 36에 있어서, 상기 재료층을 형성하는 단계는 결정질 칼코게나이드 재료를 포함하는 층을 형성하는 단계를 포함하는, 메모리 장치 형성 방법.
- 청구항 36에 있어서, 상기 재료층을 형성하는 단계는 게르마늄의 층을 형성하는 단계를 포함하는, 메모리 장치 형성 방법.
- 청구항 36에 있어서, 상기 재료층을 형성하는 단계는 게르마늄 텔루라이드를 포함하는 층을 형성하는 단계를 포함하는, 메모리 장치 형성 방법.
- 청구항 36에 있어서, 상기 재료층을 형성하는 단계는 GexSe100 -x를 포함하는 층을 형성하는 단계를 포함하는, 메모리 장치 형성 방법.
- 청구항 41에 있어서, 상기 GexSe100 -x는 약 Ge33Se67∼약 Ge60Se40 사이의 화학양론을 갖고 형성되는, 메모리 장치 형성 방법.
- 청구항 36에 있어서, 상기 주석-칼코게나이드층과 상기 제2 전극 사이에 금속층을 형성하는 단계를 더 포함하는, 메모리 장치 형성 방법.
- 청구항 36에 있어서, 상기 금속층을 형성하는 단계는 은 함유층을 형성하는 단계를 포함하는, 메모리 장치 형성 방법.
- 청구항 36에 있어서, 상기 주석-칼코게나이드층을 형성하는 단계는 Sn1 +/-xSe의 층을 형성하는 단계를 포함하고, 여기에서 x는 약 1과 약 0 사이에 있는, 메모리 장치 형성 방법.
- 청구항 36에 있어서, 상기 주석-칼코게나이드층을 형성하는 단계는 주석-텔루라이드를 포함하는 층을 형성하는 단계를 포함하는, 메모리 장치 형성 방법.
- 청구항 36에 있어서, 상기 제1 및 제2 전극 중 적어도 하나는 텅스텐을 포함하여 형성되는, 메모리 장치 형성 방법.
- 청구항 36에 있어서, 상기 재료층과 상기 주석-칼코게나이드층을 형성하는 단계는, 상기 메모리 장치가 제한된 횟수만큼 프로그램 가능하도록 하는 두께를 갖는 상기 재료층과 상기 주석-칼코게나이드층을 형성하는 단계를 포함하는, 메모리 장치 형성 방법.
- 청구항 36에 있어서, 상기 재료층과 상기 주석-칼코게나이드층을 형성하는 단계는, 상기 메모리 장치가 일단 프로그래밍되면 소거될 수 없도록 하는 두께를 갖는 상기 재료층과 상기 주석-칼코게나이드층을 형성하는 단계를 포함하는, 메모리 장치 형성 방법.
- 청구항 36에 있어서, 상기 재료층은 약 300Å의 두께를 갖고 형성되고, 상기 주석-칼코게나이드층은 약 100Å∼약 400Å 사이의 두께를 갖고 형성되는, 메모리 장치 형성 방법.
- 청구항 50에 있어서, 상기 주석-칼코게나이드층과 상기 제2 전극 사이에 은층을 형성하는 단계를 더 포함하고, 상기 은층은 약 300Å∼약 500Å의 두께를 갖고 형성되는, 메모리 장치 형성 방법.
- 청구항 36에 있어서, 상기 재료층은 약 100Å과 약 1000Å 사이의 두께를 갖고 형성되는, 메모리 장치 형성 방법.
- 청구항 36에 있어서, 상기 주석-칼코게나이드층과 상기 재료층은 상기 주석-칼코게나이드층의 두께 대 상기 재료층의 두께의 비가 약 1:3과 약 4:3 사이가 되도록 형성되는, 메모리 장치 형성 방법.
- 청구항 36에 있어서, 상기 제1 전극과 전기적으로 접속되는 어드레스 라인을 제공하는 단계를 더 포함하는, 메모리 장치 형성 방법.
- 청구항 36에 있어서, 상기 제1 전극을 형성하는 단계는 조합된 어드레스 라인/전극 구조를 형성하는 단계를 포함하는, 메모리 장치 형성 방법.
- 청구항 36에 있어서, 상기 재료층과 상기 주석-칼코게나이드층을 형성하는 단계는, 형성하는 상기 재료층과 상기 주석-칼코게나이드층을 블랭킷 증착하는 단계를 포함하는, 메모리 장치 형성 방법.
- 청구항 56에 있어서, 수직 스택을 형성하도록 형성하는 상기 재료층과 상기 주석-칼코게나이드층을 에칭하는 단계를 더 포함하는, 메모리 장치 형성 방법.
- 청구항 36에 있어서, 절연층 내에 비아(via)를 형성하는 단계를 더 포함하고, 상기 재료층과 상기 주석-칼코게나이드층을 형성하는 단계는 상기 비아 내에 상기 재료층과 상기 주석-칼코게나이드층을 형성하는 단계를 포함하는, 메모리 장치 형성 방법.
- 메모리 소자를 형성하는 방법으로서,기판을 제공하는 단계;상기 기판 상에 도전층을 형성하는 단계;상기 기판 상에 제1 전극을 형성하는 단계;상기 도전층과 상기 기판 상에 제1 절연층을 형성하는 단계;상기 제1 절연층 내에 개구를 형성하여 상기 개구 내에 상기 도전층의 일부분을 노출시키는 단계;상기 제1 전극 상에 및 상기 개구 내에 칼코게나이드 재료 또는 게르마늄인 재료층을 형성하는 단계;상기 재료층 상에 및 상기 개구 내에 주석-칼코게나이드층을 형성하는 단계로서, 상기 재료층과 상기 주석-칼코게나이드층은 상기 주석-칼코게나이드층의 두께 대 상기 재료층의 두께의 비가 약 4:3 미만이 되도록 형성되는, 단계;상기 주석-칼코게나이드층 상에 제2 전극층을 형성하는 단계;상기 제2 전극층 상에 마스크를 제공하는 단계;상기 재료층, 상기 주석-칼코게나이드층, 및 상기 제2 전극을 에칭하여 스택을 형성하는 단계를 포함하는, 메모리 소자 형성 방법.
- 청구항 59에 있어서, 상기 재료층을 형성하는 단계는 칼코게나이드 유리층을 형성하는 단계를 포함하는, 메모리 소자 형성 방법.
- 청구항 59에 있어서, 상기 재료층을 형성하는 단계는 결정질 칼코게나이드 재료층을 형성하는 단계를 포함하는, 메모리 소자 형성 방법.
- 청구항 59에 있어서, 상기 재료층을 형성하는 단계는 게르마늄층을 형성하는 단계를 포함하는, 메모리 소자 형성 방법.
- 청구항 59에 있어서, 상기 재료층과 상기 주석-칼코게나이드층을 형성하는 단계는, 상기 메모리 장치가 제한된 횟수만큼 프로그램 가능하도록 하는 두께를 갖는 상기 재료층과 상기 주석-칼코게나이드층을 형성하는 단계를 포함하는, 메모리 소자 형성 방법.
- 메모리 장치를 형성하는 방법으로서,기판을 제공하는 단계;상기 기판 상에 제1 전극을 형성하는 단계;상기 기판 상에 제2 전극을 형성하는 단계;상기 제1 전극과 상기 제2 전극 사이에 결정질 칼코게나이드 재료층을 형성하는 단계;상기 칼코게나이드 재료층과 상기 제2 전극 사이에 주석-칼코게나이드층을 형성하는 단계; 및상기 주석-칼코게나이드층과 상기 제2 전극 사이에 은층을 형성하는 단계를 포함하는, 메모리 장치 형성 방법.
- 청구항 64에 있어서, 상기 결정질 칼코게나이드 재료층과 상기 주석-칼코게나이드층은 상기 메모리 장치가 제한된 횟수만큼 프로그램 가능하도록 하는 두께를 갖고 형성되는, 메모리 장치 형성 방법.
- 청구항 64에 있어서, 상기 주석-칼코게나이드층과 상기 결정질 칼코게나이드 재료층은 상기 주석-칼코게나이드층의 두께 대 상기 결정질 칼코게나이드 재료층의 두께의 비가 약 4:3 미만이 되도록 형성되는, 메모리 장치 형성 방법.
- 메모리 장치 형성 방법으로서,기판을 제공하는 단계;상기 기판 상에 제1 전극을 형성하는 단계;상기 기판 상에 제2 전극을 형성하는 단계;상기 제1 전극과 상기 제2 전극 사이에 게르마늄층을 형성하는 단계;칼코게나이드 재료층과 상기 제2 전극 사이에 주석-칼코게나이드층을 형성하는 단계; 및상기 주석-칼코게나이드층과 상기 제2 전극 사이에 은층을 형성하는 단계를 포함하는, 메모리 장치 형성 방법.
- 청구항 67에 있어서, 상기 게르마늄층과 상기 주석-칼코게나이드층은 상기 메모리 장치가 제한된 횟수만큼 프로그램 가능하도록 하는 두께를 갖고 형성되는, 메모리 장치 형성 방법.
- 청구항 67에 있어서, 상기 주석-칼코게나이드층과 상기 게르마늄층은 상기 주석-칼코게나이드층의 두께 대 상기 게르마늄층의 두께의 비가 약 4:3 미만이 되도록 형성되는, 메모리 장치 형성 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/062,436 US7317200B2 (en) | 2005-02-23 | 2005-02-23 | SnSe-based limited reprogrammable cell |
US11/062,436 | 2005-02-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20070114156A true KR20070114156A (ko) | 2007-11-29 |
KR100918168B1 KR100918168B1 (ko) | 2009-09-17 |
Family
ID=36570573
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020077021078A KR100918168B1 (ko) | 2005-02-23 | 2006-02-17 | Snse 기반의 제한적인 재프로그램 가능 셀 |
Country Status (7)
Country | Link |
---|---|
US (2) | US7317200B2 (ko) |
EP (1) | EP1851809B1 (ko) |
JP (1) | JP5327576B2 (ko) |
KR (1) | KR100918168B1 (ko) |
CN (1) | CN101180746B (ko) |
DE (1) | DE602006019061D1 (ko) |
WO (1) | WO2006091480A1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100979348B1 (ko) * | 2008-03-13 | 2010-08-31 | 주식회사 하이닉스반도체 | 반도체 소자의 퓨즈 및 그 제조 방법 |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7190048B2 (en) * | 2004-07-19 | 2007-03-13 | Micron Technology, Inc. | Resistance variable memory device and method of fabrication |
US7326950B2 (en) | 2004-07-19 | 2008-02-05 | Micron Technology, Inc. | Memory device with switching glass layer |
WO2006132813A1 (en) * | 2004-07-19 | 2006-12-14 | Micron Technology, Inc. | Memory device with switching glass layer |
US8098521B2 (en) * | 2005-03-31 | 2012-01-17 | Spansion Llc | Method of providing an erase activation energy of a memory device |
US7332735B2 (en) * | 2005-08-02 | 2008-02-19 | Micron Technology, Inc. | Phase change memory cell and method of formation |
US7924608B2 (en) * | 2006-10-19 | 2011-04-12 | Boise State University | Forced ion migration for chalcogenide phase change memory device |
FR2922368A1 (fr) * | 2007-10-16 | 2009-04-17 | Commissariat Energie Atomique | Procede de fabrication d'une memoire cbram ayant une fiabilite amelioree |
WO2009053910A2 (en) | 2007-10-22 | 2009-04-30 | Mobileaccess Networks Ltd. | Communication system using low bandwidth wires |
US8175649B2 (en) | 2008-06-20 | 2012-05-08 | Corning Mobileaccess Ltd | Method and system for real time control of an active antenna over a distributed antenna system |
US8238146B2 (en) * | 2008-08-01 | 2012-08-07 | Boise State University | Variable integrated analog resistor |
US8467236B2 (en) | 2008-08-01 | 2013-06-18 | Boise State University | Continuously variable resistor |
US7825479B2 (en) | 2008-08-06 | 2010-11-02 | International Business Machines Corporation | Electrical antifuse having a multi-thickness dielectric layer |
US20110079709A1 (en) * | 2009-10-07 | 2011-04-07 | Campbell Kristy A | Wide band sensor |
JP5549333B2 (ja) | 2010-04-07 | 2014-07-16 | 富士通株式会社 | 偏波変動補償装置および光通信システム |
US8284590B2 (en) | 2010-05-06 | 2012-10-09 | Boise State University | Integratable programmable capacitive device |
US8828788B2 (en) * | 2010-05-11 | 2014-09-09 | Micron Technology, Inc. | Forming electrodes for chalcogenide containing devices |
US8735862B2 (en) * | 2011-04-11 | 2014-05-27 | Micron Technology, Inc. | Memory cells, methods of forming memory cells and methods of forming memory arrays |
EP2829152A2 (en) | 2012-03-23 | 2015-01-28 | Corning Optical Communications Wireless Ltd. | Radio-frequency integrated circuit (rfic) chip(s) for providing distributed antenna system functionalities, and related components, systems, and methods |
KR101431656B1 (ko) * | 2013-04-05 | 2014-08-21 | 한국과학기술연구원 | 저머늄 및 셀레늄을 이용한 칼코지나이드 스위칭 소자 및 그 제조방법 |
US9184960B1 (en) | 2014-09-25 | 2015-11-10 | Corning Optical Communications Wireless Ltd | Frequency shifting a communications signal(s) in a multi-frequency distributed antenna system (DAS) to avoid or reduce frequency interference |
US10002922B1 (en) * | 2016-12-14 | 2018-06-19 | Taiwan Semiconductor Manufacturing Company | Process to etch semiconductor materials |
US10700226B2 (en) * | 2017-05-25 | 2020-06-30 | Boise State University | Optically activated transistor, switch, and photodiode |
US11316484B2 (en) * | 2017-05-25 | 2022-04-26 | Boise State University | Optically gated transistor selector for variable resistive memory device |
Family Cites Families (195)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3271591A (en) | 1963-09-20 | 1966-09-06 | Energy Conversion Devices Inc | Symmetrical current controlling device |
US3622319A (en) | 1966-10-20 | 1971-11-23 | Western Electric Co | Nonreflecting photomasks and methods of making same |
US3868651A (en) | 1970-08-13 | 1975-02-25 | Energy Conversion Devices Inc | Method and apparatus for storing and reading data in a memory having catalytic material to initiate amorphous to crystalline change in memory structure |
US3743847A (en) | 1971-06-01 | 1973-07-03 | Motorola Inc | Amorphous silicon film as a uv filter |
US4267261A (en) | 1971-07-15 | 1981-05-12 | Energy Conversion Devices, Inc. | Method for full format imaging |
US3961314A (en) | 1974-03-05 | 1976-06-01 | Energy Conversion Devices, Inc. | Structure and method for producing an image |
US3966317A (en) | 1974-04-08 | 1976-06-29 | Energy Conversion Devices, Inc. | Dry process production of archival microform records from hard copy |
US4177474A (en) | 1977-05-18 | 1979-12-04 | Energy Conversion Devices, Inc. | High temperature amorphous semiconductor member and method of making the same |
JPS5565365A (en) | 1978-11-07 | 1980-05-16 | Nippon Telegr & Teleph Corp <Ntt> | Pattern forming method |
DE2901303C2 (de) | 1979-01-15 | 1984-04-19 | Max Planck Gesellschaft Zur Foerderung Der Wissenschaften E.V., 3400 Goettingen | Festes Ionenleitermaterial, seine Verwendung und Verfahren zu dessen Herstellung |
US4312938A (en) | 1979-07-06 | 1982-01-26 | Drexler Technology Corporation | Method for making a broadband reflective laser recording and data storage medium with absorptive underlayer |
US4269935A (en) | 1979-07-13 | 1981-05-26 | Ionomet Company, Inc. | Process of doping silver image in chalcogenide layer |
US4316946A (en) | 1979-12-03 | 1982-02-23 | Ionomet Company, Inc. | Surface sensitized chalcogenide product and process for making and using the same |
US4499557A (en) | 1980-10-28 | 1985-02-12 | Energy Conversion Devices, Inc. | Programmable cell for use in programmable electronic arrays |
US4405710A (en) | 1981-06-22 | 1983-09-20 | Cornell Research Foundation, Inc. | Ion beam exposure of (g-Gex -Se1-x) inorganic resists |
US4737379A (en) | 1982-09-24 | 1988-04-12 | Energy Conversion Devices, Inc. | Plasma deposited coatings, and low temperature plasma method of making same |
US4545111A (en) | 1983-01-18 | 1985-10-08 | Energy Conversion Devices, Inc. | Method for making, parallel preprogramming or field programming of electronic matrix arrays |
US4608296A (en) | 1983-12-06 | 1986-08-26 | Energy Conversion Devices, Inc. | Superconducting films and devices exhibiting AC to DC conversion |
US4795657A (en) | 1984-04-13 | 1989-01-03 | Energy Conversion Devices, Inc. | Method of fabricating a programmable array |
US4670763A (en) | 1984-05-14 | 1987-06-02 | Energy Conversion Devices, Inc. | Thin film field effect transistor |
US4843443A (en) | 1984-05-14 | 1989-06-27 | Energy Conversion Devices, Inc. | Thin film field effect transistor and method of making same |
US4668968A (en) | 1984-05-14 | 1987-05-26 | Energy Conversion Devices, Inc. | Integrated circuit compatible thin film field effect transistor and method of making same |
US4769338A (en) | 1984-05-14 | 1988-09-06 | Energy Conversion Devices, Inc. | Thin film field effect transistor and method of making same |
US4673957A (en) | 1984-05-14 | 1987-06-16 | Energy Conversion Devices, Inc. | Integrated circuit compatible thin film field effect transistor and method of making same |
US4678679A (en) | 1984-06-25 | 1987-07-07 | Energy Conversion Devices, Inc. | Continuous deposition of activated process gases |
US4646266A (en) | 1984-09-28 | 1987-02-24 | Energy Conversion Devices, Inc. | Programmable semiconductor structures and methods for using the same |
US4664939A (en) | 1985-04-01 | 1987-05-12 | Energy Conversion Devices, Inc. | Vertical semiconductor processor |
US4637895A (en) | 1985-04-01 | 1987-01-20 | Energy Conversion Devices, Inc. | Gas mixtures for the vapor deposition of semiconductor material |
US4710899A (en) | 1985-06-10 | 1987-12-01 | Energy Conversion Devices, Inc. | Data storage medium incorporating a transition metal for increased switching speed |
US4671618A (en) | 1986-05-22 | 1987-06-09 | Wu Bao Gang | Liquid crystalline-plastic material having submillisecond switch times and extended memory |
US4766471A (en) | 1986-01-23 | 1988-08-23 | Energy Conversion Devices, Inc. | Thin film electro-optical devices |
US4818717A (en) | 1986-06-27 | 1989-04-04 | Energy Conversion Devices, Inc. | Method for making electronic matrix arrays |
US4728406A (en) | 1986-08-18 | 1988-03-01 | Energy Conversion Devices, Inc. | Method for plasma - coating a semiconductor body |
US4809044A (en) | 1986-08-22 | 1989-02-28 | Energy Conversion Devices, Inc. | Thin film overvoltage protection devices |
US4845533A (en) | 1986-08-22 | 1989-07-04 | Energy Conversion Devices, Inc. | Thin film electrical devices with amorphous carbon electrodes and method of making same |
US4853785A (en) | 1986-10-15 | 1989-08-01 | Energy Conversion Devices, Inc. | Electronic camera including electronic signal storage cartridge |
US4788594A (en) | 1986-10-15 | 1988-11-29 | Energy Conversion Devices, Inc. | Solid state electronic camera including thin film matrix of photosensors |
US4847674A (en) | 1987-03-10 | 1989-07-11 | Advanced Micro Devices, Inc. | High speed interconnect system with refractory non-dogbone contacts and an active electromigration suppression mechanism |
US4800526A (en) | 1987-05-08 | 1989-01-24 | Gaf Corporation | Memory element for information storage and retrieval system and associated process |
US4775425A (en) | 1987-07-27 | 1988-10-04 | Energy Conversion Devices, Inc. | P and n-type microcrystalline semiconductor alloy material including band gap widening elements, devices utilizing same |
US4891330A (en) | 1987-07-27 | 1990-01-02 | Energy Conversion Devices, Inc. | Method of fabricating n-type and p-type microcrystalline semiconductor alloy material including band gap widening elements |
US5272359A (en) | 1988-04-07 | 1993-12-21 | California Institute Of Technology | Reversible non-volatile switch based on a TCNQ charge transfer complex |
GB8910854D0 (en) | 1989-05-11 | 1989-06-28 | British Petroleum Co Plc | Semiconductor device |
US5159661A (en) | 1990-10-05 | 1992-10-27 | Energy Conversion Devices, Inc. | Vertically interconnected parallel distributed processor |
US5314772A (en) | 1990-10-09 | 1994-05-24 | Arizona Board Of Regents | High resolution, multi-layer resist for microlithography and method therefor |
JPH0770731B2 (ja) | 1990-11-22 | 1995-07-31 | 松下電器産業株式会社 | 電気可塑性素子 |
US5596522A (en) | 1991-01-18 | 1997-01-21 | Energy Conversion Devices, Inc. | Homogeneous compositions of microcrystalline semiconductor material, semiconductor devices and directly overwritable memory elements fabricated therefrom, and arrays fabricated from the memory elements |
US5536947A (en) | 1991-01-18 | 1996-07-16 | Energy Conversion Devices, Inc. | Electrically erasable, directly overwritable, multibit single cell memory element and arrays fabricated therefrom |
US5534712A (en) | 1991-01-18 | 1996-07-09 | Energy Conversion Devices, Inc. | Electrically erasable memory elements characterized by reduced current and improved thermal stability |
US5335219A (en) | 1991-01-18 | 1994-08-02 | Ovshinsky Stanford R | Homogeneous composition of microcrystalline semiconductor material, semiconductor devices and directly overwritable memory elements fabricated therefrom, and arrays fabricated from the memory elements |
US5406509A (en) | 1991-01-18 | 1995-04-11 | Energy Conversion Devices, Inc. | Electrically erasable, directly overwritable, multibit single cell memory elements and arrays fabricated therefrom |
US5166758A (en) | 1991-01-18 | 1992-11-24 | Energy Conversion Devices, Inc. | Electrically erasable phase change memory |
US5414271A (en) | 1991-01-18 | 1995-05-09 | Energy Conversion Devices, Inc. | Electrically erasable memory elements having improved set resistance stability |
US5341328A (en) | 1991-01-18 | 1994-08-23 | Energy Conversion Devices, Inc. | Electrically erasable memory elements having reduced switching current requirements and increased write/erase cycle life |
US5296716A (en) | 1991-01-18 | 1994-03-22 | Energy Conversion Devices, Inc. | Electrically erasable, directly overwritable, multibit single cell memory elements and arrays fabricated therefrom |
US5534711A (en) | 1991-01-18 | 1996-07-09 | Energy Conversion Devices, Inc. | Electrically erasable, directly overwritable, multibit single cell memory elements and arrays fabricated therefrom |
US5128099A (en) | 1991-02-15 | 1992-07-07 | Energy Conversion Devices, Inc. | Congruent state changeable optical memory material and device |
US5219788A (en) | 1991-02-25 | 1993-06-15 | Ibm Corporation | Bilayer metallization cap for photolithography |
US5177567A (en) | 1991-07-19 | 1993-01-05 | Energy Conversion Devices, Inc. | Thin-film structure for chalcogenide electrical switching devices and process therefor |
US5359205A (en) | 1991-11-07 | 1994-10-25 | Energy Conversion Devices, Inc. | Electrically erasable memory elements characterized by reduced current and improved thermal stability |
US5238862A (en) | 1992-03-18 | 1993-08-24 | Micron Technology, Inc. | Method of forming a stacked capacitor with striated electrode |
JPH0653613A (ja) * | 1992-07-29 | 1994-02-25 | Mitsubishi Electric Corp | 半導体素子 |
KR940004732A (ko) | 1992-08-07 | 1994-03-15 | 가나이 쯔또무 | 패턴 형성 방법 및 패턴 형성에 사용하는 박막 형성 방법 |
US5350484A (en) | 1992-09-08 | 1994-09-27 | Intel Corporation | Method for the anisotropic etching of metal films in the fabrication of interconnects |
US5818749A (en) | 1993-08-20 | 1998-10-06 | Micron Technology, Inc. | Integrated circuit memory device |
US5363329A (en) * | 1993-11-10 | 1994-11-08 | Eugeniy Troyan | Semiconductor memory device for use in an electrically alterable read-only memory |
BE1007902A3 (nl) | 1993-12-23 | 1995-11-14 | Philips Electronics Nv | Schakelelement met geheugen voorzien van schottky tunnelbarriere. |
US5500532A (en) | 1994-08-18 | 1996-03-19 | Arizona Board Of Regents | Personal electronic dosimeter |
JP2643870B2 (ja) | 1994-11-29 | 1997-08-20 | 日本電気株式会社 | 半導体記憶装置の製造方法 |
US5543737A (en) | 1995-02-10 | 1996-08-06 | Energy Conversion Devices, Inc. | Logical operation circuit employing two-terminal chalcogenide switches |
US5869843A (en) | 1995-06-07 | 1999-02-09 | Micron Technology, Inc. | Memory array having a multi-state element and method for forming such array or cells thereof |
KR100253029B1 (ko) | 1995-06-07 | 2000-04-15 | 로데릭 더블류 루이스 | 불휘발성 메모리 셀내에서 다중 상태의 물질을 이용하는 스택·트랜치형 다이오드 |
US5879955A (en) | 1995-06-07 | 1999-03-09 | Micron Technology, Inc. | Method for fabricating an array of ultra-small pores for chalcogenide memory cells |
US5789758A (en) | 1995-06-07 | 1998-08-04 | Micron Technology, Inc. | Chalcogenide memory cell with a plurality of chalcogenide electrodes |
US5751012A (en) | 1995-06-07 | 1998-05-12 | Micron Technology, Inc. | Polysilicon pillar diode for use in a non-volatile memory cell |
US6420725B1 (en) | 1995-06-07 | 2002-07-16 | Micron Technology, Inc. | Method and apparatus for forming an integrated circuit electrode having a reduced contact area |
US5714768A (en) | 1995-10-24 | 1998-02-03 | Energy Conversion Devices, Inc. | Second-layer phase change memory array on top of a logic device |
US5694054A (en) | 1995-11-28 | 1997-12-02 | Energy Conversion Devices, Inc. | Integrated drivers for flat panel displays employing chalcogenide logic elements |
US5591501A (en) | 1995-12-20 | 1997-01-07 | Energy Conversion Devices, Inc. | Optical recording medium having a plurality of discrete phase change data recording points |
US6653733B1 (en) | 1996-02-23 | 2003-11-25 | Micron Technology, Inc. | Conductors in semiconductor devices |
US5687112A (en) | 1996-04-19 | 1997-11-11 | Energy Conversion Devices, Inc. | Multibit single cell memory element having tapered contact |
US5852870A (en) | 1996-04-24 | 1998-12-29 | Amkor Technology, Inc. | Method of making grid array assembly |
US5851882A (en) | 1996-05-06 | 1998-12-22 | Micron Technology, Inc. | ZPROM manufacture and design and methods for forming thin structures using spacers as an etching mask |
US5761115A (en) | 1996-05-30 | 1998-06-02 | Axon Technologies Corporation | Programmable metallization cell structure and method of making same |
US5814527A (en) | 1996-07-22 | 1998-09-29 | Micron Technology, Inc. | Method of making small pores defined by a disposable internal spacer for use in chalcogenide memories |
US5789277A (en) | 1996-07-22 | 1998-08-04 | Micron Technology, Inc. | Method of making chalogenide memory device |
US5998244A (en) | 1996-08-22 | 1999-12-07 | Micron Technology, Inc. | Memory cell incorporating a chalcogenide element and method of making same |
US5825046A (en) | 1996-10-28 | 1998-10-20 | Energy Conversion Devices, Inc. | Composite memory material comprising a mixture of phase-change memory material and dielectric material |
US6087674A (en) | 1996-10-28 | 2000-07-11 | Energy Conversion Devices, Inc. | Memory element with memory material comprising phase-change material and dielectric material |
US5846889A (en) | 1997-03-14 | 1998-12-08 | The United States Of America As Represented By The Secretary Of The Navy | Infrared transparent selenide glasses |
US5998066A (en) | 1997-05-16 | 1999-12-07 | Aerial Imaging Corporation | Gray scale mask and depth pattern transfer technique using inorganic chalcogenide glass |
US6031287A (en) | 1997-06-18 | 2000-02-29 | Micron Technology, Inc. | Contact structure and memory element incorporating the same |
US5933365A (en) | 1997-06-19 | 1999-08-03 | Energy Conversion Devices, Inc. | Memory element with energy control mechanism |
US6051511A (en) | 1997-07-31 | 2000-04-18 | Micron Technology, Inc. | Method and apparatus for reducing isolation stress in integrated circuits |
EP1235227B1 (en) | 1997-12-04 | 2004-08-25 | Axon Technologies Corporation | Programmable sub-surface aggregating metallization structure |
US6011757A (en) | 1998-01-27 | 2000-01-04 | Ovshinsky; Stanford R. | Optical recording media having increased erasability |
US6297170B1 (en) | 1998-06-23 | 2001-10-02 | Vlsi Technology, Inc. | Sacrificial multilayer anti-reflective coating for mos gate formation |
US6141241A (en) | 1998-06-23 | 2000-10-31 | Energy Conversion Devices, Inc. | Universal memory element with systems employing same and apparatus and method for reading, writing and programming same |
US5912839A (en) | 1998-06-23 | 1999-06-15 | Energy Conversion Devices, Inc. | Universal memory element and method of programming same |
US6469364B1 (en) | 1998-08-31 | 2002-10-22 | Arizona Board Of Regents | Programmable interconnection system for electrical circuits |
US6388324B2 (en) | 1998-08-31 | 2002-05-14 | Arizona Board Of Regents | Self-repairing interconnections for electrical circuits |
US6487106B1 (en) | 1999-01-12 | 2002-11-26 | Arizona Board Of Regents | Programmable microelectronic devices and method of forming and programming same |
US6635914B2 (en) | 2000-09-08 | 2003-10-21 | Axon Technologies Corp. | Microelectronic programmable device and methods of forming and programming the same |
US6825489B2 (en) | 2001-04-06 | 2004-11-30 | Axon Technologies Corporation | Microelectronic device, structure, and system, including a memory structure having a variable programmable property and method of forming the same |
US6177338B1 (en) | 1999-02-08 | 2001-01-23 | Taiwan Semiconductor Manufacturing Company | Two step barrier process |
US6072716A (en) | 1999-04-14 | 2000-06-06 | Massachusetts Institute Of Technology | Memory structures and methods of making same |
US6143604A (en) | 1999-06-04 | 2000-11-07 | Taiwan Semiconductor Manufacturing Company | Method for fabricating small-size two-step contacts for word-line strapping on dynamic random access memory (DRAM) |
US6350679B1 (en) | 1999-08-03 | 2002-02-26 | Micron Technology, Inc. | Methods of providing an interlevel dielectric layer intermediate different elevation conductive metal layers in the fabrication of integrated circuitry |
US20030107105A1 (en) | 1999-08-31 | 2003-06-12 | Kozicki Michael N. | Programmable chip-to-substrate interconnect structure and device and method of forming same |
US6423628B1 (en) | 1999-10-22 | 2002-07-23 | Lsi Logic Corporation | Method of forming integrated circuit structure having low dielectric constant material and having silicon oxynitride caps over closely spaced apart metal lines |
US6914802B2 (en) | 2000-02-11 | 2005-07-05 | Axon Technologies Corporation | Microelectronic photonic structure and device and method of forming the same |
US6865117B2 (en) | 2000-02-11 | 2005-03-08 | Axon Technologies Corporation | Programming circuit for a programmable microelectronic device, system including the circuit, and method of forming the same |
US6501111B1 (en) | 2000-06-30 | 2002-12-31 | Intel Corporation | Three-dimensional (3D) programmable device |
US6440837B1 (en) | 2000-07-14 | 2002-08-27 | Micron Technology, Inc. | Method of forming a contact structure in a semiconductor device |
US6563156B2 (en) | 2001-03-15 | 2003-05-13 | Micron Technology, Inc. | Memory elements and methods for making same |
US6567293B1 (en) | 2000-09-29 | 2003-05-20 | Ovonyx, Inc. | Single level metal memory cell using chalcogenide cladding |
US6404665B1 (en) | 2000-09-29 | 2002-06-11 | Intel Corporation | Compositionally modified resistive electrode |
US6429064B1 (en) | 2000-09-29 | 2002-08-06 | Intel Corporation | Reduced contact area of sidewall conductor |
US6339544B1 (en) | 2000-09-29 | 2002-01-15 | Intel Corporation | Method to enhance performance of thermal resistor device |
US6555860B2 (en) | 2000-09-29 | 2003-04-29 | Intel Corporation | Compositionally modified resistive electrode |
US6563164B2 (en) | 2000-09-29 | 2003-05-13 | Ovonyx, Inc. | Compositionally modified resistive electrode |
JP4025527B2 (ja) * | 2000-10-27 | 2007-12-19 | 松下電器産業株式会社 | メモリ、書き込み装置、読み出し装置およびその方法 |
JP2004513513A (ja) | 2000-10-31 | 2004-04-30 | ザ リージェンツ オブ ザ ユニバーシティ オブ カリフォルニア | 有機物双安定デバイス及び有機物メモリセル |
US6653193B2 (en) | 2000-12-08 | 2003-11-25 | Micron Technology, Inc. | Resistance variable device |
US6649928B2 (en) | 2000-12-13 | 2003-11-18 | Intel Corporation | Method to selectively remove one side of a conductive bottom electrode of a phase-change memory cell and structure obtained thereby |
US6696355B2 (en) | 2000-12-14 | 2004-02-24 | Ovonyx, Inc. | Method to selectively increase the top resistance of the lower programming electrode in a phase-change memory |
US6569705B2 (en) | 2000-12-21 | 2003-05-27 | Intel Corporation | Metal structure for a phase-change memory device |
US6437383B1 (en) | 2000-12-21 | 2002-08-20 | Intel Corporation | Dual trench isolation for a phase-change memory cell and method of making same |
US6646297B2 (en) | 2000-12-26 | 2003-11-11 | Ovonyx, Inc. | Lower electrode isolation in a double-wide trench |
US6534781B2 (en) | 2000-12-26 | 2003-03-18 | Ovonyx, Inc. | Phase-change memory bipolar array utilizing a single shallow trench isolation for creating an individual active area region for two memory array elements and one bipolar base contact |
US6531373B2 (en) | 2000-12-27 | 2003-03-11 | Ovonyx, Inc. | Method of forming a phase-change memory cell using silicon on insulator low electrode in charcogenide elements |
US6687427B2 (en) | 2000-12-29 | 2004-02-03 | Intel Corporation | Optic switch |
US6638820B2 (en) | 2001-02-08 | 2003-10-28 | Micron Technology, Inc. | Method of forming chalcogenide comprising devices, method of precluding diffusion of a metal into adjacent chalcogenide material, and chalcogenide comprising devices |
US6727192B2 (en) | 2001-03-01 | 2004-04-27 | Micron Technology, Inc. | Methods of metal doping a chalcogenide material |
US6348365B1 (en) | 2001-03-02 | 2002-02-19 | Micron Technology, Inc. | PCRAM cell manufacturing |
US6818481B2 (en) | 2001-03-07 | 2004-11-16 | Micron Technology, Inc. | Method to manufacture a buried electrode PCRAM cell |
US6734455B2 (en) | 2001-03-15 | 2004-05-11 | Micron Technology, Inc. | Agglomeration elimination for metal sputter deposition of chalcogenides |
US6473332B1 (en) | 2001-04-04 | 2002-10-29 | The University Of Houston System | Electrically variable multi-state resistance computing |
WO2002091384A1 (en) | 2001-05-07 | 2002-11-14 | Advanced Micro Devices, Inc. | A memory device with a self-assembled polymer film and method of making the same |
US7102150B2 (en) | 2001-05-11 | 2006-09-05 | Harshfield Steven T | PCRAM memory cell and method of making same |
US6480438B1 (en) | 2001-06-12 | 2002-11-12 | Ovonyx, Inc. | Providing equal cell programming conditions across a large and high density array of phase-change memory cells |
US6589714B2 (en) | 2001-06-26 | 2003-07-08 | Ovonyx, Inc. | Method for making programmable resistance memory element using silylated photoresist |
US6613604B2 (en) | 2001-08-02 | 2003-09-02 | Ovonyx, Inc. | Method for making small pore for use in programmable resistance memory element |
US6462984B1 (en) | 2001-06-29 | 2002-10-08 | Intel Corporation | Biasing scheme of floating unselected wordlines and bitlines of a diode-based memory array |
US6570784B2 (en) | 2001-06-29 | 2003-05-27 | Ovonyx, Inc. | Programming a phase-change material memory |
US6487113B1 (en) | 2001-06-29 | 2002-11-26 | Ovonyx, Inc. | Programming a phase-change memory with slow quench time |
US6511867B2 (en) | 2001-06-30 | 2003-01-28 | Ovonyx, Inc. | Utilizing atomic layer deposition for programmable device |
US6673700B2 (en) | 2001-06-30 | 2004-01-06 | Ovonyx, Inc. | Reduced area intersection between electrode and programming element |
US6514805B2 (en) | 2001-06-30 | 2003-02-04 | Intel Corporation | Trench sidewall profile for device isolation |
US6642102B2 (en) | 2001-06-30 | 2003-11-04 | Intel Corporation | Barrier material encapsulation of programmable material |
US6511862B2 (en) | 2001-06-30 | 2003-01-28 | Ovonyx, Inc. | Modified contact for programmable devices |
US6605527B2 (en) | 2001-06-30 | 2003-08-12 | Intel Corporation | Reduced area intersection between electrode and programming element |
US6951805B2 (en) | 2001-08-01 | 2005-10-04 | Micron Technology, Inc. | Method of forming integrated circuitry, method of forming memory circuitry, and method of forming random access memory circuitry |
US6590807B2 (en) | 2001-08-02 | 2003-07-08 | Intel Corporation | Method for reading a structural phase-change memory |
US6737312B2 (en) | 2001-08-27 | 2004-05-18 | Micron Technology, Inc. | Method of fabricating dual PCRAM cells sharing a common electrode |
US6881623B2 (en) | 2001-08-29 | 2005-04-19 | Micron Technology, Inc. | Method of forming chalcogenide comprising devices, method of forming a programmable memory cell of memory circuitry, and a chalcogenide comprising device |
US6784018B2 (en) | 2001-08-29 | 2004-08-31 | Micron Technology, Inc. | Method of forming chalcogenide comprising devices and method of forming a programmable memory cell of memory circuitry |
US6955940B2 (en) | 2001-08-29 | 2005-10-18 | Micron Technology, Inc. | Method of forming chalcogenide comprising devices |
US6646902B2 (en) | 2001-08-30 | 2003-11-11 | Micron Technology, Inc. | Method of retaining memory state in a programmable conductor RAM |
US6709958B2 (en) | 2001-08-30 | 2004-03-23 | Micron Technology, Inc. | Integrated circuit device and fabrication using metal-doped chalcogenide materials |
US20030047765A1 (en) | 2001-08-30 | 2003-03-13 | Campbell Kristy A. | Stoichiometry for chalcogenide glasses useful for memory devices and method of formation |
US6507061B1 (en) | 2001-08-31 | 2003-01-14 | Intel Corporation | Multiple layer phase-change memory |
EP2112659A1 (en) | 2001-09-01 | 2009-10-28 | Energy Convertion Devices, Inc. | Increased data storage in optical data storage and retrieval systems using blue lasers and/or plasmon lenses |
US6586761B2 (en) | 2001-09-07 | 2003-07-01 | Intel Corporation | Phase change material memory device |
US6545287B2 (en) | 2001-09-07 | 2003-04-08 | Intel Corporation | Using selective deposition to form phase-change memory cells |
US6690026B2 (en) | 2001-09-28 | 2004-02-10 | Intel Corporation | Method of fabricating a three-dimensional array of active media |
AU2002362662A1 (en) | 2001-10-09 | 2003-04-22 | Axon Technologies Corporation | Programmable microelectronic device, structure, and system, and method of forming the same |
US6566700B2 (en) | 2001-10-11 | 2003-05-20 | Ovonyx, Inc. | Carbon-containing interfacial layer for phase-change memory |
DE60212679D1 (de) | 2001-10-26 | 2006-08-03 | Univ Arizona | Programmierbare oberflächenkontrollbauelemente sowie deren anwendung |
US6545907B1 (en) | 2001-10-30 | 2003-04-08 | Ovonyx, Inc. | Technique and apparatus for performing write operations to a phase change material memory device |
US6576921B2 (en) | 2001-11-08 | 2003-06-10 | Intel Corporation | Isolating phase change material memory cells |
US6815818B2 (en) | 2001-11-19 | 2004-11-09 | Micron Technology, Inc. | Electrode structure for use in an integrated circuit |
US6791859B2 (en) | 2001-11-20 | 2004-09-14 | Micron Technology, Inc. | Complementary bit PCRAM sense amplifier and method of operation |
US6873538B2 (en) | 2001-12-20 | 2005-03-29 | Micron Technology, Inc. | Programmable conductor random access memory and a method for writing thereto |
US6625054B2 (en) | 2001-12-28 | 2003-09-23 | Intel Corporation | Method and apparatus to program a phase change memory |
US6667900B2 (en) | 2001-12-28 | 2003-12-23 | Ovonyx, Inc. | Method and apparatus to operate a memory cell |
US6512241B1 (en) | 2001-12-31 | 2003-01-28 | Intel Corporation | Phase change material memory device |
US6909656B2 (en) | 2002-01-04 | 2005-06-21 | Micron Technology, Inc. | PCRAM rewrite prevention |
US20030143782A1 (en) | 2002-01-31 | 2003-07-31 | Gilton Terry L. | Methods of forming germanium selenide comprising devices and methods of forming silver selenide comprising structures |
US6867064B2 (en) | 2002-02-15 | 2005-03-15 | Micron Technology, Inc. | Method to alter chalcogenide glass for improved switching characteristics |
US6791885B2 (en) | 2002-02-19 | 2004-09-14 | Micron Technology, Inc. | Programmable conductor random access memory and method for sensing same |
US7151273B2 (en) | 2002-02-20 | 2006-12-19 | Micron Technology, Inc. | Silver-selenide/chalcogenide glass stack for resistance variable memory |
US6849868B2 (en) * | 2002-03-14 | 2005-02-01 | Micron Technology, Inc. | Methods and apparatus for resistance variable material cells |
TWI224403B (en) | 2002-03-15 | 2004-11-21 | Axon Technologies Corp | Programmable structure, an array including the structure, and methods of forming the same |
US6864500B2 (en) | 2002-04-10 | 2005-03-08 | Micron Technology, Inc. | Programmable conductor memory cell structure |
US6671710B2 (en) | 2002-05-10 | 2003-12-30 | Energy Conversion Devices, Inc. | Methods of computing with digital multistate phase change materials |
US6918382B2 (en) | 2002-08-26 | 2005-07-19 | Energy Conversion Devices, Inc. | Hydrogen powered scooter |
US7163837B2 (en) * | 2002-08-29 | 2007-01-16 | Micron Technology, Inc. | Method of forming a resistance variable memory element |
WO2004025640A1 (ja) * | 2002-09-13 | 2004-03-25 | Matsushita Electric Industrial Co., Ltd. | 情報記録媒体とその製造方法 |
US6795338B2 (en) * | 2002-12-13 | 2004-09-21 | Intel Corporation | Memory having access devices using phase change material such as chalcogenide |
US6967344B2 (en) * | 2003-03-10 | 2005-11-22 | Energy Conversion Devices, Inc. | Multi-terminal chalcogenide switching devices |
JP4254293B2 (ja) * | 2003-03-25 | 2009-04-15 | 株式会社日立製作所 | 記憶装置 |
KR100504700B1 (ko) * | 2003-06-04 | 2005-08-03 | 삼성전자주식회사 | 고집적 상변환 램 |
US7354793B2 (en) * | 2004-08-12 | 2008-04-08 | Micron Technology, Inc. | Method of forming a PCRAM device incorporating a resistance-variable chalocogenide element |
US7190048B2 (en) | 2004-07-19 | 2007-03-13 | Micron Technology, Inc. | Resistance variable memory device and method of fabrication |
-
2005
- 2005-02-23 US US11/062,436 patent/US7317200B2/en active Active
-
2006
- 2006-02-17 JP JP2007557063A patent/JP5327576B2/ja active Active
- 2006-02-17 CN CN2006800056053A patent/CN101180746B/zh active Active
- 2006-02-17 WO PCT/US2006/005618 patent/WO2006091480A1/en active Application Filing
- 2006-02-17 KR KR1020077021078A patent/KR100918168B1/ko active IP Right Grant
- 2006-02-17 DE DE602006019061T patent/DE602006019061D1/de active Active
- 2006-02-17 EP EP06735332A patent/EP1851809B1/en active Active
-
2007
- 2007-11-20 US US11/943,339 patent/US8101936B2/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100979348B1 (ko) * | 2008-03-13 | 2010-08-31 | 주식회사 하이닉스반도체 | 반도체 소자의 퓨즈 및 그 제조 방법 |
Also Published As
Publication number | Publication date |
---|---|
JP2008532285A (ja) | 2008-08-14 |
CN101180746B (zh) | 2010-09-15 |
EP1851809A1 (en) | 2007-11-07 |
EP1851809B1 (en) | 2010-12-22 |
WO2006091480A1 (en) | 2006-08-31 |
US7317200B2 (en) | 2008-01-08 |
US8101936B2 (en) | 2012-01-24 |
DE602006019061D1 (de) | 2011-02-03 |
JP5327576B2 (ja) | 2013-10-30 |
KR100918168B1 (ko) | 2009-09-17 |
CN101180746A (zh) | 2008-05-14 |
US20080067489A1 (en) | 2008-03-20 |
US20060186394A1 (en) | 2006-08-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100918168B1 (ko) | Snse 기반의 제한적인 재프로그램 가능 셀 | |
US7220982B2 (en) | Amorphous carbon-based non-volatile memory | |
US7393798B2 (en) | Resistance variable memory with temperature tolerant materials | |
EP1769507B1 (en) | Resistance variable memory device and method of fabrication | |
US7289349B2 (en) | Resistance variable memory element with threshold device and method of forming the same | |
US20070023744A1 (en) | Resistance variable memory device with sputtered metal-chalcogenide region and method of fabrication | |
US7304368B2 (en) | Chalcogenide-based electrokinetic memory element and method of forming the same |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20120821 Year of fee payment: 4 |
|
FPAY | Annual fee payment |
Payment date: 20130822 Year of fee payment: 5 |
|
FPAY | Annual fee payment |
Payment date: 20150819 Year of fee payment: 7 |
|
FPAY | Annual fee payment |
Payment date: 20160818 Year of fee payment: 8 |
|
FPAY | Annual fee payment |
Payment date: 20170822 Year of fee payment: 9 |
|
FPAY | Annual fee payment |
Payment date: 20180903 Year of fee payment: 10 |