JP5389653B2 - スケーラビリティの改善されたダマシン金属−絶縁物−金属(mim)デバイス - Google Patents
スケーラビリティの改善されたダマシン金属−絶縁物−金属(mim)デバイス Download PDFInfo
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- JP5389653B2 JP5389653B2 JP2009528254A JP2009528254A JP5389653B2 JP 5389653 B2 JP5389653 B2 JP 5389653B2 JP 2009528254 A JP2009528254 A JP 2009528254A JP 2009528254 A JP2009528254 A JP 2009528254A JP 5389653 B2 JP5389653 B2 JP 5389653B2
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- 239000002184 metal Substances 0.000 title description 34
- 229910052751 metal Inorganic materials 0.000 title description 34
- 239000004020 conductor Substances 0.000 claims description 116
- 238000000034 method Methods 0.000 claims description 92
- 239000000463 material Substances 0.000 claims description 28
- 230000001590 oxidative effect Effects 0.000 claims 1
- 238000000059 patterning Methods 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 description 26
- 150000004767 nitrides Chemical class 0.000 description 21
- 239000003292 glue Substances 0.000 description 16
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 12
- 238000000206 photolithography Methods 0.000 description 12
- 239000000126 substance Substances 0.000 description 9
- 238000007517 polishing process Methods 0.000 description 8
- 239000000758 substrate Substances 0.000 description 7
- 238000005530 etching Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 102000004726 Connectin Human genes 0.000 description 4
- 108010002947 Connectin Proteins 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 229920002120 photoresistant polymer Polymers 0.000 description 4
- 238000000151 deposition Methods 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 229910052814 silicon oxide Inorganic materials 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000002488 metal-organic chemical vapour deposition Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000005240 physical vapour deposition Methods 0.000 description 2
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000005468 ion implantation Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B63/00—Resistance change memory devices, e.g. resistive RAM [ReRAM] devices
- H10B63/30—Resistance change memory devices, e.g. resistive RAM [ReRAM] devices comprising selection components having three or more electrodes, e.g. transistors
-
- 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
-
- 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
- H10N70/021—Formation of switching materials, e.g. deposition of layers
- H10N70/028—Formation of switching materials, e.g. deposition of layers by conversion of electrode material, e.g. oxidation
-
- 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
- H10N70/011—Manufacture or treatment of multistable switching devices
- H10N70/061—Shaping switching materials
- H10N70/066—Shaping switching materials by filling of openings, e.g. damascene method
-
- 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
- H10N70/883—Oxides or nitrides
- H10N70/8833—Binary metal oxides, e.g. TaOx
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Semiconductor Memories (AREA)
Description
Claims (8)
- 誘電層(110)を設けるステップと、
前記誘電層(110)に開口(112)を設けるステップと、
前記開口(112)内に第1の導電体(116A)を設けるステップと、
スイッチング体(118A)を形成するために、前記第1の導電体(116A)の上部を熱酸化するステップであって、前記第1の導電体(116A)およびスイッチング体(118A)が前記開口(112)を完全に埋めるステップと、
前記スイッチング体(118A)の上に第2の導電体(120A)を設けるステップとを含む、メモリデバイスの製造方法。 - 前記スイッチング体(118A)は前記第1の導電体(116A)から成長する請求項1に記載の方法。
- 前記第2の導電体(120A)は、前記誘電層(110)およびスイッチング体(118A)の上に導電層(120)を設け、前記第2の導電体(120A)を形成するために前記導電層(120)をパターニングすることによって提供される請求項1に記載の方法。
- 前記第2の導電体(128)は、前記第1の誘電層(110)およびスイッチング体(118A)の上に第2の誘電体層(122)を設け、前記第2の誘電体層(122)に開口(123)を設け、前記第2の誘電体層(122)の前記開口(123)内に前記第2の導電体(128)を設けることによって提供される請求項1に記載の方法。
- 開口(200)を有する誘電層(110)と、
前記開口(200)内の第1の導電体(214A)と、
前記第1の導電体(214A)の上部を熱酸化することによって全体が前記開口(200)内に存在するように形成されたスイッチング材料の層(220A)であって、前記第1の導電体(214A)とともに前記開口(200)を完全に埋めるスイッチング材料の層(220A)と、
前記開口(200)の上に存在し、前記スイッチング材料の層(220A)上にある第2の導電層(230A)と、を有するメモリデバイス。 - 前記誘電層(110)において前記開口(200)を規定する第1の絶縁壁および第2の絶縁壁(206,208)を更に有し、前記第1の導電層(214A)およびスイッチング材料の層(220A)が前記絶縁壁(206,208)の間に存在している請求項5に記載のメモリデバイス。
- 前記誘電層(110)において前記開口(200)を規定する第1の導電壁および第2の導電壁(242,244)を更に有し、前記第1の導電層(254A)およびスイッチング材料の層(260A)が前記導電壁(242,244)の間に存在している請求項5に記載のメモリデバイス。
- 前記導電壁(242,244)を接続している導電接続部(246)を更に有し、その上に前記第1の導電層(254A)が存在している請求項7に記載のメモリデバイス。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/521,204 | 2006-09-14 | ||
US11/521,204 US8232175B2 (en) | 2006-09-14 | 2006-09-14 | Damascene metal-insulator-metal (MIM) device with improved scaleability |
PCT/US2007/019710 WO2008033332A2 (en) | 2006-09-14 | 2007-09-10 | Damascene metal-insulator-metal (mim) device with improved scaleability |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2010503989A JP2010503989A (ja) | 2010-02-04 |
JP2010503989A5 JP2010503989A5 (ja) | 2010-10-07 |
JP5389653B2 true JP5389653B2 (ja) | 2014-01-15 |
Family
ID=39047941
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009528254A Active JP5389653B2 (ja) | 2006-09-14 | 2007-09-10 | スケーラビリティの改善されたダマシン金属−絶縁物−金属(mim)デバイス |
Country Status (6)
Country | Link |
---|---|
US (2) | US8232175B2 (ja) |
EP (1) | EP2064756B1 (ja) |
JP (1) | JP5389653B2 (ja) |
CN (1) | CN101529608B (ja) |
TW (1) | TWI438870B (ja) |
WO (1) | WO2008033332A2 (ja) |
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US3534159A (en) * | 1968-10-30 | 1970-10-13 | Bell Telephone Labor Inc | Single pickup tube color television camera system |
US3833434A (en) * | 1973-02-20 | 1974-09-03 | Hitachi Ltd | Method of forming multi-layer interconnections |
US3877049A (en) * | 1973-11-28 | 1975-04-08 | William D Buckley | Electrodes for amorphous semiconductor switch devices and method of making the same |
US5260848A (en) * | 1990-07-27 | 1993-11-09 | Electromer Corporation | Foldback switching material and devices |
TW287313B (ja) * | 1995-02-20 | 1996-10-01 | Matsushita Electric Ind Co Ltd | |
JPH10125782A (ja) * | 1996-10-15 | 1998-05-15 | Sony Corp | 半導体装置の製造方法 |
US6031287A (en) * | 1997-06-18 | 2000-02-29 | Micron Technology, Inc. | Contact structure and memory element incorporating the same |
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KR100773537B1 (ko) | 2003-06-03 | 2007-11-07 | 삼성전자주식회사 | 한 개의 스위칭 소자와 한 개의 저항체를 포함하는비휘발성 메모리 장치 및 그 제조 방법 |
JP2005032855A (ja) * | 2003-07-09 | 2005-02-03 | Matsushita Electric Ind Co Ltd | 半導体記憶装置及びその製造方法 |
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-
2006
- 2006-09-14 US US11/521,204 patent/US8232175B2/en active Active
-
2007
- 2007-09-04 TW TW096132834A patent/TWI438870B/zh active
- 2007-09-10 EP EP07838014.4A patent/EP2064756B1/en not_active Not-in-force
- 2007-09-10 WO PCT/US2007/019710 patent/WO2008033332A2/en active Application Filing
- 2007-09-10 CN CN2007800381073A patent/CN101529608B/zh active Active
- 2007-09-10 JP JP2009528254A patent/JP5389653B2/ja active Active
-
2012
- 2012-06-21 US US13/529,284 patent/US9343666B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN101529608B (zh) | 2011-01-26 |
CN101529608A (zh) | 2009-09-09 |
TW200822291A (en) | 2008-05-16 |
EP2064756A2 (en) | 2009-06-03 |
US20120276706A1 (en) | 2012-11-01 |
US8232175B2 (en) | 2012-07-31 |
JP2010503989A (ja) | 2010-02-04 |
TWI438870B (zh) | 2014-05-21 |
WO2008033332A2 (en) | 2008-03-20 |
WO2008033332A3 (en) | 2008-09-18 |
US9343666B2 (en) | 2016-05-17 |
US20080123401A1 (en) | 2008-05-29 |
EP2064756B1 (en) | 2016-05-04 |
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