JP2012523116A - 半導体処理 - Google Patents
半導体処理 Download PDFInfo
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- JP2012523116A JP2012523116A JP2012503411A JP2012503411A JP2012523116A JP 2012523116 A JP2012523116 A JP 2012523116A JP 2012503411 A JP2012503411 A JP 2012503411A JP 2012503411 A JP2012503411 A JP 2012503411A JP 2012523116 A JP2012523116 A JP 2012523116A
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- Prior art keywords
- variable resistance
- resistance material
- silicon layer
- opening
- forming
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- 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 without a potential-jump barrier or surface barrier, 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 without a potential-jump barrier or surface barrier, and specially adapted for rectifying, amplifying, oscillating or switching
- H10N70/011—Manufacture or treatment of multistable switching devices
- H10N70/021—Formation of the switching material, e.g. layer deposition
- H10N70/023—Formation of the switching material, e.g. layer deposition by chemical vapor deposition, e.g. MOCVD, ALD
-
- 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 without a potential-jump barrier or surface barrier, and specially adapted for rectifying, amplifying, oscillating or switching
- H10N70/011—Manufacture or treatment of multistable switching devices
- H10N70/061—Patterning of the switching material
- H10N70/066—Patterning of the switching material 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 without a potential-jump barrier or surface barrier, 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 without a potential-jump barrier or surface barrier, 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 without a potential-jump barrier or surface barrier, 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
-
- 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 without a potential-jump barrier or surface barrier, and specially adapted for rectifying, amplifying, oscillating or switching
- H10N70/801—Constructional details of multistable switching devices
- H10N70/881—Switching materials
- H10N70/884—Other compounds of groups 13-15, e.g. elemental or compound semiconductors
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Semiconductor Memories (AREA)
- Chemical Vapour Deposition (AREA)
Abstract
【選択図】図1E
Description
Claims (20)
- 半導体を処理する方法であって、
構造体上にシリコン層を形成することと、
前記シリコン層を通って前記構造体内に開口部を形成することと、
抵抗可変材料が前記シリコン層上に形成されないように該抵抗可変材料を前記開口部内に選択的に形成することと、
を有する方法。 - 前記抵抗可変材料上に酸素障壁を形成することを含む、請求項1に記載の方法。
- 前記酸素障壁を形成することは、その場で前記抵抗可変材料を封止することを含む、請求項2に記載の方法。
- 前記抵抗可変材料を選択的に形成することは、
ゲルマニウムアミジナートをNH3と反応させることと、
Sb(OR)3(Rはアルキル)をNH3と反応させることと、
を含む、請求項1に記載の方法。 - 前記抵抗可変材料を選択的に形成することは、
ゲルマニウムアミジナートをNH3と反応させることと、
Te(OR)4(Rはアルキル)をNH3と反応させることと、
を含む、請求項1に記載の方法。 - 前記抵抗可変材料を選択的に形成することは、
Ge(NR2)4をNH3と反応させることと、
Sb(OR)3(Rはアルキル)をNH3と反応させることと、
を含む、請求項1に記載の方法。 - 前記抵抗可変材料を選択的に形成することは、
Ge(NR2)4をNH3と反応させることと、
Te(OR)4(Rはアルキル)をNH3と反応させることと、
を含む、請求項1に記載の方法。 - 前記開口部は35nm以下の幅を有する、請求項1から7のいずれか1項に記載の方法。
- 半導体を処理する方法であって、
構造体上にシリコン層を堆積させることと、
前記構造体内に円筒状容器を形成するように前記シリコン層の一部及び前記構造体の一部を除去することと、
相変化材料が前記シリコン層上に堆積しないように該相変化材料を前記円筒状容器内に選択的に堆積させることと、
を有する方法。 - 前記相変化材料の酸化を防止するように該相変化材料上にその場でキャップを形成することを含む、請求項9に記載の方法。
- 前記キャップは電極である、請求項10に記載の方法。
- 前記相変化材料はGe‐Sb材料である、請求項9に記載の方法。
- 前記相変化材料はGe‐Te材料である、請求項9に記載の方法。
- 前記円筒状容器は2:1以上のアスペクト比を有する、請求項9から13のいずれか1項に記載の方法。
- 半導体を処理する方法であって、
電極を含む基板上に構造体を形成することと、
前記構造体上にシリコン層を形成することと、
前記シリコン層及び前記構造体を通って開口部を形成することであって、
前記電極の表面が前記開口部の底部を画定し、
前記構造体の第1の表面及び前記シリコン層の第1の表面が前記開口部の第1の側壁を画定し、
前記構造体の第2の表面及び前記シリコン層の第2の表面が前記開口部の第2の側壁を画定する、ことと、
抵抗可変材料が前記シリコン層上に形成されないように該抵抗可変材料を前記開口部内に選択的に形成することと、
を有する方法。 - 前記抵抗可変材料及び前記シリコン層上にその場でキャップを形成することと、
前記シリコン層上の前記キャップの一部を除去することと、
を含む、請求項15に記載の方法。 - その場で前記キャップを形成することは、前記抵抗可変材料の前記選択的形成が生じるチャンバーと同一のチャンバー内で前記キャップを形成することを含む、請求項16に記載の方法。
- 前記抵抗可変材料の任意の部分を除去することを含まない、請求項15に記載の方法。
- 前記抵抗可変材料を選択的に形成することは、該抵抗可変材料が前記開口部の前記底部及び前記構造体の前記第1及び第2の表面を被覆するように、かつ前記シリコン層の前記第1及び第2の表面を被覆しないように前記抵抗可変材料を選択的に形成することを含む、請求項15に記載の方法。
- 前記抵抗可変材料を選択的に形成することは、該抵抗可変材料が前記開口部の前記底部及び前記構造体の前記第1及び第2の表面で形成された前記開口部の一部に充満するように前記抵抗可変材料を選択的に形成することを含む、請求項15から19のいずれか1項に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/419,779 | 2009-04-07 | ||
US12/419,779 US8003521B2 (en) | 2009-04-07 | 2009-04-07 | Semiconductor processing |
PCT/US2010/000733 WO2010117405A2 (en) | 2009-04-07 | 2010-03-11 | Semiconductor processing |
Publications (2)
Publication Number | Publication Date |
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JP2012523116A true JP2012523116A (ja) | 2012-09-27 |
JP5316828B2 JP5316828B2 (ja) | 2013-10-16 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2012503411A Active JP5316828B2 (ja) | 2009-04-07 | 2010-03-11 | 半導体処理 |
Country Status (8)
Country | Link |
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US (2) | US8003521B2 (ja) |
EP (1) | EP2417629B1 (ja) |
JP (1) | JP5316828B2 (ja) |
KR (1) | KR101320249B1 (ja) |
CN (2) | CN102369599A (ja) |
SG (1) | SG175025A1 (ja) |
TW (1) | TWI473311B (ja) |
WO (1) | WO2010117405A2 (ja) |
Cited By (3)
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KR20150010645A (ko) * | 2013-07-19 | 2015-01-28 | 에이에스엠 아이피 홀딩 비.브이. | 저항성 랜덤 억세스 메모리 소자를 제조하는 방법 |
KR20150010650A (ko) * | 2013-07-19 | 2015-01-28 | 에이에스엠 아이피 홀딩 비.브이. | 저항성 랜덤 억세스 메모리 소자를 제조하는 방법 |
JP2017520913A (ja) * | 2014-05-21 | 2017-07-27 | ソニー株式会社 | 半導体メモリ素子内に金属キャップを形成する方法 |
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US8124445B2 (en) * | 2010-07-26 | 2012-02-28 | Micron Technology, Inc. | Confined resistance variable memory cell structures and methods |
US9130162B2 (en) | 2012-12-20 | 2015-09-08 | Taiwan Semiconductor Manufacturing Company, Ltd. | Resistance variable memory structure and method of forming the same |
TWI751406B (zh) * | 2018-03-06 | 2022-01-01 | 美商應用材料股份有限公司 | 形成金屬硫系化物柱體之方法 |
US10964536B2 (en) * | 2019-02-06 | 2021-03-30 | Micron Technology, Inc. | Formation of an atomic layer of germanium in an opening of a substrate material having a high aspect ratio |
KR102658258B1 (ko) * | 2019-10-01 | 2024-04-17 | 에스케이하이닉스 주식회사 | 전자 장치 및 그 제조 방법 |
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- 2010-03-11 CN CN2010800146713A patent/CN102369599A/zh active Pending
- 2010-03-11 KR KR1020117026050A patent/KR101320249B1/ko active IP Right Grant
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KR20110132628A (ko) | 2011-12-08 |
US20110281414A1 (en) | 2011-11-17 |
CN105304814B (zh) | 2020-08-04 |
CN105304814A (zh) | 2016-02-03 |
TWI473311B (zh) | 2015-02-11 |
US20100255653A1 (en) | 2010-10-07 |
US8003521B2 (en) | 2011-08-23 |
WO2010117405A3 (en) | 2010-12-16 |
JP5316828B2 (ja) | 2013-10-16 |
CN102369599A (zh) | 2012-03-07 |
WO2010117405A2 (en) | 2010-10-14 |
EP2417629A2 (en) | 2012-02-15 |
SG175025A1 (en) | 2011-11-28 |
EP2417629A4 (en) | 2012-12-26 |
TW201044659A (en) | 2010-12-16 |
US8455296B2 (en) | 2013-06-04 |
EP2417629B1 (en) | 2015-04-22 |
KR101320249B1 (ko) | 2013-10-22 |
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