JP5785660B2 - 成膜方法および成膜装置 - Google Patents
成膜方法および成膜装置 Download PDFInfo
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- JP5785660B2 JP5785660B2 JP2014511620A JP2014511620A JP5785660B2 JP 5785660 B2 JP5785660 B2 JP 5785660B2 JP 2014511620 A JP2014511620 A JP 2014511620A JP 2014511620 A JP2014511620 A JP 2014511620A JP 5785660 B2 JP5785660 B2 JP 5785660B2
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- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02172—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides
- H01L21/02175—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides characterised by the metal
- H01L21/02183—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides characterised by the metal the material containing tantalum, e.g. Ta2O5
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- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/0021—Reactive sputtering or evaporation
- C23C14/0036—Reactive sputtering
- C23C14/0063—Reactive sputtering characterised by means for introducing or removing gases
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- C—CHEMISTRY; METALLURGY
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- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/0021—Reactive sputtering or evaporation
- C23C14/0036—Reactive sputtering
- C23C14/0068—Reactive sputtering characterised by means for confinement of gases or sputtered material, e.g. screens, baffles
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- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/08—Oxides
- C23C14/083—Oxides of refractory metals or yttrium
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/4412—Details relating to the exhausts, e.g. pumps, filters, scrubbers, particle traps
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/455—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/32431—Constructional details of the reactor
- H01J37/3244—Gas supply means
- H01J37/32449—Gas control, e.g. control of the gas flow
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/34—Gas-filled discharge tubes operating with cathodic sputtering
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/34—Gas-filled discharge tubes operating with cathodic sputtering
- H01J37/3411—Constructional aspects of the reactor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
- H01L21/0226—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process
- H01L21/02263—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase
- H01L21/02266—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by physical ablation of a target, e.g. sputtering, reactive sputtering, physical vapour deposition or pulsed laser deposition
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
- H01J2237/006—Details of gas supplies, e.g. in an ion source, to a beam line, to a specimen or to a workpiece
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- Condensed Matter Physics & Semiconductors (AREA)
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- Computer Hardware Design (AREA)
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- Optics & Photonics (AREA)
- Physical Vapour Deposition (AREA)
- Semiconductor Memories (AREA)
Description
上記排気室に反応性ガスを含むプロセスガスが導入され、上記成膜室が上記排気室よりも低圧に維持された状態で、上記隔壁と上記真空チャンバとの間に形成されたガス流路を介して上記プロセスガスが上記成膜室へ供給される。
上記真空チャンバは、底壁部と天板部とを有する。
上記隔壁は、上記真空チャンバの内部に配置され、上記真空チャンバの内部を成膜室と排気室とに区画する。
上記排気ラインは、上記排気室に接続され、上記成膜室と上記排気室とを共通に排気可能に構成される。
上記ガス導入ラインは、上記排気室に接続され、上記排気室へ反応性ガスを含むプロセスガスを導入可能に構成される。
上記ガス流路は、上記底壁部と上記隔壁との間に設けられ、上記排気室へ導入されたプロセスガスを上記成膜室へ供給する。
上記排気室に反応性ガスを含むプロセスガスが導入され、上記成膜室が上記排気室よりも低圧に維持された状態で、上記隔壁と上記真空チャンバとの間に形成されたガス流路を介して上記プロセスガスが上記成膜室へ供給される。
この構成によれば、例えば真空チャンバの天板部に金属ターゲットが設置される場合において、ターゲットに対してより離れた位置からプロセスガスを成膜室へ供給することが可能となるため、反応ガスとの接触による金属ターゲットの酸化等が抑制される。これによりターゲット表面の酸化度等のばらつきを低減でき、スパッタ成膜される金属化合物層の物性(例えば抵抗率)の面内均一性をより高めることができる。
上記真空チャンバは、底壁部と天板部とを有する。
上記隔壁は、上記真空チャンバの内部に配置され、上記真空チャンバの内部を成膜室と排気室とに区画する。
上記排気ラインは、上記排気室に接続され、上記成膜室と上記排気室とを共通に排気可能に構成される。
上記ガス導入ラインは、上記排気室に接続され、上記排気室へ反応性ガスを含むプロセスガスを導入可能に構成される。
上記ガス流路は、上記底壁部と上記隔壁との間に設けられ、上記排気室へ導入されたプロセスガスを上記成膜室へ供給する。
これによりターゲットに対してより離れた位置からプロセスガスを成膜室へ供給することが可能となるため、ターゲット表面の酸化度等のばらつきを低減でき、スパッタ成膜される金属化合物層の面内均一性をより高めることができる。
これにより、成膜室へプロセスガスを等方的に供給することが可能となり、面内均一性に優れた金属化合物層を安定に成膜することができる。
まず、抵抗変化素子の概略構成について説明する。図1は、抵抗変化素子の一構成例を示す概略断面図である。
図2および図3は、本発明の一実施形態に係る成膜装置を示す概略構成図であり、図2は側断面図、図3は図2における[A]−[A]線方向断面図である。本実施形態の成膜装置100は、抵抗変化素子1の製造工程において第1および第2の金属酸化物層4,5を成膜するためのスパッタ装置として構成される。
次に、本実施形態に係る成膜方法について成膜装置100の一動作例とともに説明する。
4,5…金属酸化物層
10…真空チャンバ
20…隔壁
30…ステージ
40…ターゲットユニット
50…排気ライン
60…ガス導入ライン
70…コントローラ
80…ガス流路
81…通路部
82…流路部
100…成膜装置
101…成膜室
102…排気室
Claims (7)
- 筒状の隔壁の内部に形成された成膜室と前記隔壁の外部に形成された排気室とを有する真空チャンバの内部を、前記排気室に接続された排気ラインを介して排気し、
前記排気室に反応性ガスを含むプロセスガスを導入し、前記成膜室を前記排気室よりも低圧に維持した状態で、前記隔壁と前記真空チャンバとの間に形成されたガス流路を介して前記プロセスガスを前記成膜室へ供給する
成膜方法。 - 請求項1に記載の成膜方法であって、さらに、
前記成膜室で金属ターゲットをスパッタすることで、基板上に金属化合物層を成膜する
成膜方法。 - 請求項1又は2に記載の成膜方法であって、
前記成膜室への前記プロセスガスの供給は、前記真空チャンバと前記隔壁との間に形成された環状の通路部と、前記隔壁と前記真空チャンバの底壁部との間に形成された流路部とを介して、前記成膜室へ前記プロセスガスを供給する
成膜方法。 - 請求項1〜3のいずれか1項に記載の成膜方法であって、
前記プロセスガスにアルゴンと酸素との混合ガスを用い、前記基板上に金属酸化物層を成膜する
成膜方法 - 底壁部と天板部とを有する真空チャンバと、
前記真空チャンバの内部に配置され、前記真空チャンバの内部を成膜室と排気室とに区画する筒状の隔壁と、
前記排気室に接続され、前記成膜室と前記排気室とを共通に排気可能な排気ラインと、
前記排気室に接続され、前記排気室へ反応性ガスを含むプロセスガスを導入可能なガス導入ラインと、
前記底壁部と前記隔壁との間に設けられ、前記排気室へ導入されたプロセスガスを前記成膜室へ供給するガス流路と
を具備する成膜装置。 - 請求項5に記載の成膜装置であって、
前記成膜室は、前記底壁部に設置され基板支持用の支持面を有するステージと、前記天板部に設置され前記ステージに対向するスパッタリング用のターゲットとを含み、
前記ガス流路は、前記支持面よりも前記底壁部側に設けられる
成膜装置。 - 請求項5又は6に記載の成膜装置であって、
前記ガス流路は、前記真空チャンバと前記隔壁との間に形成された環状の通路部と、前記通路部に連通し前記隔壁の周囲に形成された少なくとも1つの流路部とを含む
成膜装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2014511620A JP5785660B2 (ja) | 2012-08-09 | 2013-07-25 | 成膜方法および成膜装置 |
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JP2012176936 | 2012-08-09 | ||
JP2012176936 | 2012-08-09 | ||
JP2014511620A JP5785660B2 (ja) | 2012-08-09 | 2013-07-25 | 成膜方法および成膜装置 |
PCT/JP2013/004524 WO2014024406A1 (ja) | 2012-08-09 | 2013-07-25 | 成膜方法および成膜装置 |
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JP5785660B2 true JP5785660B2 (ja) | 2015-09-30 |
JPWO2014024406A1 JPWO2014024406A1 (ja) | 2016-07-25 |
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JP2014511620A Active JP5785660B2 (ja) | 2012-08-09 | 2013-07-25 | 成膜方法および成膜装置 |
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US (1) | US20150056373A1 (ja) |
JP (1) | JP5785660B2 (ja) |
KR (1) | KR102081748B1 (ja) |
TW (1) | TWI573888B (ja) |
WO (1) | WO2014024406A1 (ja) |
Families Citing this family (1)
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JP6494495B2 (ja) * | 2015-06-30 | 2019-04-03 | 東京エレクトロン株式会社 | 基板処理方法及び基板処理装置 |
Family Cites Families (8)
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DE4109018C2 (de) * | 1991-03-20 | 2002-02-28 | Unaxis Deutschland Holding | Vorrichtung zum Beschichten eines Substrats |
KR0141659B1 (ko) * | 1993-07-19 | 1998-07-15 | 가나이 쓰토무 | 이물제거 방법 및 장치 |
JPH09111447A (ja) * | 1995-10-17 | 1997-04-28 | Applied Materials Inc | スパッタリング装置 |
US7001491B2 (en) | 2003-06-26 | 2006-02-21 | Tokyo Electron Limited | Vacuum-processing chamber-shield and multi-chamber pumping method |
JP2008244018A (ja) | 2007-03-26 | 2008-10-09 | Ulvac Japan Ltd | 半導体装置の製造方法 |
KR101141941B1 (ko) * | 2007-07-20 | 2012-06-26 | 도쿄엘렉트론가부시키가이샤 | 질화물막의 퇴적 방법 및 퇴적 장치 |
JP2009200405A (ja) | 2008-02-25 | 2009-09-03 | Fujitsu Microelectronics Ltd | 半導体製造装置及び半導体装置の製造方法 |
JP5661452B2 (ja) | 2010-12-27 | 2015-01-28 | キヤノンアネルバ株式会社 | スパッタリング方法 |
-
2013
- 2013-07-25 JP JP2014511620A patent/JP5785660B2/ja active Active
- 2013-07-25 US US14/348,006 patent/US20150056373A1/en not_active Abandoned
- 2013-07-25 KR KR1020147007858A patent/KR102081748B1/ko active IP Right Grant
- 2013-07-25 WO PCT/JP2013/004524 patent/WO2014024406A1/ja active Application Filing
- 2013-08-02 TW TW102127769A patent/TWI573888B/zh active
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Publication number | Publication date |
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WO2014024406A1 (ja) | 2014-02-13 |
JPWO2014024406A1 (ja) | 2016-07-25 |
KR20150040780A (ko) | 2015-04-15 |
KR102081748B1 (ko) | 2020-02-26 |
TW201410905A (zh) | 2014-03-16 |
US20150056373A1 (en) | 2015-02-26 |
TWI573888B (zh) | 2017-03-11 |
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