JP2014500609A - 3次元構造のメモリ素子を製造する方法及び装置 - Google Patents
3次元構造のメモリ素子を製造する方法及び装置 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 45
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 41
- 239000000758 substrate Substances 0.000 claims abstract description 137
- 239000007789 gas Substances 0.000 claims abstract description 45
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000000151 deposition Methods 0.000 claims abstract description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052814 silicon oxide Inorganic materials 0.000 claims abstract description 15
- 150000004767 nitrides Chemical class 0.000 claims abstract description 13
- 238000010030 laminating Methods 0.000 claims abstract description 12
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 10
- 230000000149 penetrating effect Effects 0.000 claims abstract description 8
- 238000005530 etching Methods 0.000 claims description 16
- 238000003825 pressing Methods 0.000 claims description 8
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052796 boron Inorganic materials 0.000 claims description 6
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 6
- 229910052698 phosphorus Inorganic materials 0.000 claims description 6
- 239000011574 phosphorus Substances 0.000 claims description 6
- AUEPDNOBDJYBBK-UHFFFAOYSA-N [Si].[C-]#[O+] Chemical compound [Si].[C-]#[O+] AUEPDNOBDJYBBK-UHFFFAOYSA-N 0.000 claims description 5
- MROCJMGDEKINLD-UHFFFAOYSA-N dichlorosilane Chemical compound Cl[SiH2]Cl MROCJMGDEKINLD-UHFFFAOYSA-N 0.000 claims description 4
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 4
- 229910010293 ceramic material Inorganic materials 0.000 claims description 3
- 239000005046 Chlorosilane Substances 0.000 claims 1
- KOPOQZFJUQMUML-UHFFFAOYSA-N chlorosilane Chemical compound Cl[SiH3] KOPOQZFJUQMUML-UHFFFAOYSA-N 0.000 claims 1
- 239000010408 film Substances 0.000 description 17
- 239000010409 thin film Substances 0.000 description 12
- 239000004065 semiconductor Substances 0.000 description 10
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 6
- 229910000077 silane Inorganic materials 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 230000008021 deposition Effects 0.000 description 3
- 239000012495 reaction gas Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- 229920005591 polysilicon Polymers 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 1
- LEVVHYCKPQWKOP-UHFFFAOYSA-N [Si].[Ge] Chemical compound [Si].[Ge] LEVVHYCKPQWKOP-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
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Abstract
【解決手段】本発明の一実施形態によれば,3次元構造のメモリ素子を製造する方法は,基板上に1つ以上の絶縁層及び1つ以上の犠牲層を交互に積層するステップ;前記絶縁層及び前記犠牲層を貫通する貫通孔を形成するステップ;前記貫通孔を埋めるパターンを形成するステップ;前記絶縁層及び前記犠牲層を貫通する開口を形成するステップ;及び前記開口を介してエッチャントを供給して前記犠牲層を除去するステップを含み,前記絶縁層を積層するステップは,前記基板にSiH4,Si2H6,Si3H8,Si4H10を含む群から選択された1つ以上のガスを供給してシリコン酸化膜を蒸着するステップを含み,前記犠牲層を積層するステップは,前記基板にSiH4,Si2H6,Si3H8,Si4H10,SiCl2H2を含む群から選択された1つ以上のガスとアンモニア系のガスを供給して窒化膜を蒸着するステップを含む。
【選択図】図6
Description
Claims (18)
- 3次元構造のメモリ素子を製造する方法において,
基板上に1つ以上の絶縁層及び1つ以上の犠牲層を交互に積層するステップ;
前記絶縁層及び前記犠牲層を貫通する貫通孔を形成するステップ;
前記貫通孔を埋めるパターンを形成するステップ;
前記絶縁層及び前記犠牲層を貫通する開口を形成するステップ;及び
前記開口を介してエッチャントを供給して前記犠牲層を除去するステップを含み,
前記絶縁層を積層するステップは,前記基板にSiH4,Si2H6,Si3H8,Si4H10を含む群から選択された1つ以上のガスを供給してシリコン酸化膜を蒸着するステップを含み,
前記犠牲層を積層するステップは,前記基板にSiH4,Si2H6,Si3H8,Si4H10,SiCl2H2を含む群から選択された1つ以上のガスとアンモニア系のガスを供給して窒化膜を蒸着するステップを含むことを特徴とする3次元構造のメモリ素子を製造する方法。 - 前記絶縁層及び前記犠牲層は,前記エッチャントに対してエッチング選択比(etch selectivity)を有し,
前記犠牲層のエッチング率は,前記絶縁層のエッチング率に比べて5倍乃至300倍以上であることを特徴とする請求項1記載の3次元構造のメモリ素子を製造する方法。 - 前記エッチャントは,H3PO4,HF,BOEを含む群から選択された1つ以上であることを特徴とする請求項1又は2記載の3次元構造のメモリ素子を製造する方法。
- 前記絶縁層を積層するステップは,エチル系のガスを供給するステップをさらに含み,
前記シリコン酸化膜は,SiCO(Silicon Carbon Oxide)であることを特徴とする請求項1又は2記載の3次元構造のメモリ素子を製造する方法。 - 前記絶縁層を積層するステップは,メチル系のガスを供給するステップをさらに含み,
前記シリコン酸化膜は,SiCO(Silicon Carbon Oxide)であることを特徴とする請求項1又は2記載の3次元構造のメモリ素子を製造する方法。 - 前記アンモニア系のガスは,NH3であることを特徴とする請求項1又は2記載の3次元構造のメモリ素子を製造する方法。
- 前記基板の温度は,300乃至790℃を維持し,
前記基板の工程圧力は,10mTorr乃至250Torrを維持することを特徴とする請求項1又は2記載の3次元構造のメモリ素子を製造する方法。 - 前記シリコン酸化膜と前記窒化膜は,互いに異なる厚さを有することを特徴とする請求項1又は2記載の3次元構造のメモリ素子を製造する方法。
- 前記絶縁層及び犠牲層を交互に積層するステップは,エッジリングを用いて前記基板のエッジ部を加圧するステップをさらに含むことを特徴とする請求項1記載の3次元構造のメモリ素子を製造する方法。
- 前記基板のエッジ部は,前記基板の境界から内側に約0.5mm乃至3mmの範囲の幅を有することを特徴とする請求項9記載の3次元構造のメモリ素子を製造する方法。
- 前記エッジリングは,セラミック材質であることを特徴とする請求項9又は10記載の3次元構造のメモリ素子を製造する方法。
- 3次元構造のメモリ素子を製造する方法において,
基板上に1つ以上の絶縁層及び1つ以上の犠牲層を交互に積層するステップ;
前記絶縁層及び前記犠牲層を貫通する貫通孔を形成するステップ;
前記貫通孔を埋めるパターンを形成するステップ;
前記絶縁層及び前記犠牲層を貫通する開口を形成するステップ;及び
前記開口を介してエッチャントを供給して前記犠牲層を除去するステップを含み,
前記絶縁層を積層するステップは,前記基板にSiH4,Si2H6,Si3H8,Si4H10を含む群から選択された1つ以上のガスを供給して第1シリコン酸化膜を蒸着するステップを含み,
前記犠牲層を積層するステップは,前記基板にSiH4,Si2H6,Si3H8,Si4H10,ジクロロシラン(SiCl2H2)を含む群から選択された1つ以上のガスとアンモニア系のガス,そしてB2H6,PH3を含む群から選択された1つ以上のガスを供給してホウ素(boron)又は燐(phosphorus)が注入された窒化膜を蒸着するステップを含むことを特徴とする3次元構造のメモリ素子を製造する方法。 - 基板に対する工程が行われるチャンバ;
前記チャンバ内に設けられ前記基板が載置され,昇降によって前記基板が前記チャンバの内部に出入する解除位置及び前記基板に対する工程が行われる工程位置に切り替えられる基板支持台;及び
前記基板支持台が前記解除位置に位置する時,前記基板の上部に配置され,前記基板支持台が前記工程位置に切り替えられる時,前記基板支持台の上部に載置された前記基板のエッジ部を加圧する加圧面を有するエッジリングを含むことを特徴とする3次元構造のメモリ素子製造装置。 - 前記基板のエッジ部は,前記基板の境界から内側に約0.5mm乃至3mmの範囲の幅を有することを特徴とする請求項13記載の3次元構造のメモリ素子製造装置。
- 前記エッジリングは,セラミック材質であることを特徴とする請求項13又は14記載の3次元構造のメモリ素子製造装置。
- 前記基板支持台は,前記基板の外側に位置するリング形状のエッジ部を有し,
前記エッジリングは,
前記基板支持台のエッジ部の上部に位置する支持部;
前記支持部から前記基板のエッジ部に向かって延長され,前記加圧面を有する加圧部;
前記支持部から前記チャンバの側壁に向かって延長され,前記基板支持台が解除位置にある時,前記チャンバの側壁に設けられた固定突起の上面に置かれる水平支持部;及び
前記支持部から前記下部に向かって延長され,前記基板支持台が解除位置にある時,前記チャンバの側壁に設けられた固定突起の側面と接する垂直支持部を備えることを特徴とする請求項13又は14記載の3次元構造のメモリ素子製造装置。 - 基板上に1つ以上の絶縁層及び1つ以上の犠牲層を交互に積層して3次元構造のメモリ素子を製造する装置において,
基板に対する工程が行われるチャンバ;
前記チャンバ内に設けられ前記基板が載置される基板支持台;及び
前記基板上に前記絶縁層を積層する時,前記基板にSiH4,Si2H6,Si3H8,Si4H10を含む群から選択された1つ以上のガスを供給し,前記基板上に前記犠牲層を積層する時,前記基板にSiH4,Si2H6,Si3H8,Si4H10,SiCl2H2を含む群から選択された1つ以上のガスとアンモニア系のガスを供給するシャワーヘッドを含むことを特徴とする3次元構造のメモリ素子製造装置。 - 基板上に1つ以上の絶縁層及び1つ以上の犠牲層を交互に積層して3次元構造のメモリ素子を製造する装置において,
基板に対する工程が行われるチャンバ;
前記チャンバ内に設けられ前記基板が載置される基板支持台;及び
前記基板上に前記絶縁層を積層する時,前記基板にSiH4,Si2H6,Si3H8,Si4H10を含む群から選択された1つ以上のガスを供給し,前記基板上に前記犠牲層を積層する時,前記基板にSiH4,Si2H6,Si3H8,Si4H10,ジクロロシラン(SiCl2H2)を含む群から選択された1つ以上のガスとアンモニア系のガス,そしてB2H6,PH3を含む群から選択された1つ以上のガスを供給するシャワーヘッドを含むことを特徴とする3次元構造のメモリ素子製造装置。
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US11152388B2 (en) | 2019-10-15 | 2021-10-19 | Micron Technology, Inc. | Memory arrays and methods used in forming a memory array comprising strings of memory cells |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005197636A (ja) * | 2003-12-29 | 2005-07-21 | Hynix Semiconductor Inc | 半導体素子の製造方法 |
JP2006196796A (ja) * | 2005-01-14 | 2006-07-27 | Toshiba Microelectronics Corp | 工業製品の製造方法 |
WO2009104620A1 (ja) * | 2008-02-19 | 2009-08-27 | 東京エレクトロン株式会社 | 成膜方法および記憶媒体 |
JP2010062239A (ja) * | 2008-09-02 | 2010-03-18 | Toshiba Corp | 半導体装置およびその製造方法 |
JP2010187001A (ja) * | 2009-02-11 | 2010-08-26 | Samsung Electronics Co Ltd | 不揮発性メモリ素子及びその製造方法 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5304248A (en) * | 1990-12-05 | 1994-04-19 | Applied Materials, Inc. | Passive shield for CVD wafer processing which provides frontside edge exclusion and prevents backside depositions |
KR100243784B1 (ko) * | 1990-12-05 | 2000-02-01 | 조셉 제이. 스위니 | 웨이퍼의 전방부 모서리와후방부에서의 증착을 방지하는 cvd웨이퍼 처리용 수동 실드 |
US5217567A (en) * | 1992-02-27 | 1993-06-08 | International Business Machines Corporation | Selective etching process for boron nitride films |
US5810931A (en) * | 1996-07-30 | 1998-09-22 | Applied Materials, Inc. | High aspect ratio clamp ring |
US6566278B1 (en) * | 2000-08-24 | 2003-05-20 | Applied Materials Inc. | Method for densification of CVD carbon-doped silicon oxide films through UV irradiation |
US6777764B2 (en) * | 2002-09-10 | 2004-08-17 | Macronix International Co., Ltd. | ONO interpoly dielectric for flash memory cells and method for fabricating the same using a single wafer low temperature deposition process |
JP2004319814A (ja) * | 2003-04-17 | 2004-11-11 | Renesas Technology Corp | 半導体装置及びその製造方法 |
KR20040103648A (ko) * | 2003-05-30 | 2004-12-09 | 삼성전자주식회사 | 반도체 기판지지 척 및 박막 증착 장치 |
KR20080105525A (ko) * | 2007-05-31 | 2008-12-04 | 주성엔지니어링(주) | 실리콘을 포함한 박막 형성방법 |
JP2008300643A (ja) * | 2007-05-31 | 2008-12-11 | Fujitsu Microelectronics Ltd | 半導体装置の製造方法 |
KR101226685B1 (ko) * | 2007-11-08 | 2013-01-25 | 삼성전자주식회사 | 수직형 반도체 소자 및 그 제조 방법. |
US8148763B2 (en) | 2008-11-25 | 2012-04-03 | Samsung Electronics Co., Ltd. | Three-dimensional semiconductor devices |
KR20100059655A (ko) * | 2008-11-25 | 2010-06-04 | 삼성전자주식회사 | 3차원 반도체 장치 및 그 동작 방법 |
JP5384291B2 (ja) * | 2008-11-26 | 2014-01-08 | 株式会社日立国際電気 | 半導体装置の製造方法、基板処理方法及び基板処理装置 |
KR101200488B1 (ko) | 2008-12-24 | 2012-11-12 | 에스케이하이닉스 주식회사 | 수직채널형 비휘발성 메모리 소자 및 그 제조 방법 |
US20100155818A1 (en) * | 2008-12-24 | 2010-06-24 | Heung-Jae Cho | Vertical channel type nonvolatile memory device and method for fabricating the same |
-
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005197636A (ja) * | 2003-12-29 | 2005-07-21 | Hynix Semiconductor Inc | 半導体素子の製造方法 |
JP2006196796A (ja) * | 2005-01-14 | 2006-07-27 | Toshiba Microelectronics Corp | 工業製品の製造方法 |
WO2009104620A1 (ja) * | 2008-02-19 | 2009-08-27 | 東京エレクトロン株式会社 | 成膜方法および記憶媒体 |
JP2010062239A (ja) * | 2008-09-02 | 2010-03-18 | Toshiba Corp | 半導体装置およびその製造方法 |
JP2010187001A (ja) * | 2009-02-11 | 2010-08-26 | Samsung Electronics Co Ltd | 不揮発性メモリ素子及びその製造方法 |
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Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |