JP2012084861A - 成膜装置、連続成膜装置、及び成膜方法 - Google Patents
成膜装置、連続成膜装置、及び成膜方法 Download PDFInfo
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- JP2012084861A JP2012084861A JP2011196959A JP2011196959A JP2012084861A JP 2012084861 A JP2012084861 A JP 2012084861A JP 2011196959 A JP2011196959 A JP 2011196959A JP 2011196959 A JP2011196959 A JP 2011196959A JP 2012084861 A JP2012084861 A JP 2012084861A
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- oxide
- oxide semiconductor
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- 239000011701 zinc Substances 0.000 claims description 99
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- 239000002184 metal Substances 0.000 claims description 40
- 229910052725 zinc Inorganic materials 0.000 claims description 34
- 229910052733 gallium Inorganic materials 0.000 claims description 30
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical group [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 24
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical group [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 claims description 20
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- 239000011521 glass Substances 0.000 abstract description 15
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- 238000004544 sputter deposition Methods 0.000 description 35
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 34
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- 239000001257 hydrogen Substances 0.000 description 32
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- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 6
- 239000010409 thin film Substances 0.000 description 6
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- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 5
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- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 4
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- 229910003437 indium oxide Inorganic materials 0.000 description 3
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 3
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- 238000011068 loading method Methods 0.000 description 3
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- 229910001887 tin oxide Inorganic materials 0.000 description 3
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- 229910052692 Dysprosium Inorganic materials 0.000 description 2
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- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- 229910052777 Praseodymium Inorganic materials 0.000 description 2
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- 229910052771 Terbium Inorganic materials 0.000 description 2
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- 239000000956 alloy Substances 0.000 description 2
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- KBQHZAAAGSGFKK-UHFFFAOYSA-N dysprosium atom Chemical compound [Dy] KBQHZAAAGSGFKK-UHFFFAOYSA-N 0.000 description 2
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- 239000001307 helium Substances 0.000 description 2
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- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- 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
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/34—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies not provided for in groups H01L21/0405, H01L21/0445, H01L21/06, H01L21/16 and H01L21/18 with or without impurities, e.g. doping materials
- H01L21/46—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/428
- H01L21/477—Thermal treatment for modifying the properties of semiconductor bodies, e.g. annealing, sintering
-
- 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
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02367—Substrates
- H01L21/0237—Materials
- H01L21/02422—Non-crystalline insulating materials, e.g. glass, polymers
-
- 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
- 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
-
- 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
- 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
- C23C14/086—Oxides of zinc, germanium, cadmium, indium, tin, thallium or bismuth
-
- 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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/34—Sputtering
-
- 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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/56—Apparatus specially adapted for continuous coating; Arrangements for maintaining the vacuum, e.g. vacuum locks
- C23C14/564—Means for minimising impurities in the coating chamber such as dust, moisture, residual gases
-
- C—CHEMISTRY; METALLURGY
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Abstract
【解決手段】基板の搬送機構と、搬送機構が送る基板の進行方向に沿って、酸化物半導体を成膜する第1の成膜室と、第1の熱処理を行う第1の加熱室とを有し、基板は、該基板の成膜面と鉛直方向との成す角が1°以上30°以内に収まるよう保持され、大気に曝すことなく、基板に第1の膜を成膜した後に第1の熱処理を施すことのできる成膜装置を用いて、酸化物半導体層を形成する。
【選択図】図1
Description
(a―A)2+(b―B)2+(c―C)2≦r2
を満たすことを言い、rは、例えば、0.05とすればよい。他の酸化物でも同様である。
(a―A)2+(b―B)2+(c―C)2≦r2
を満たすことを言い、rとは、例えば、0.05とすればよい。他の酸化物でも同様である。
以下では、基板上に酸化物半導体層等を形成する成膜装置の一例について、図1乃至図3を用いて説明する。
本実施の形態では、上記で示した成膜装置を用いて、薄膜トランジスタに用いることを想定した方法により、絶縁層上に酸化物半導体層を形成する方法の一例について図4及び図5を用いて説明する。
図5(A)に示すような、基板100上に酸化物絶縁層211、酸化物絶縁層213b、及びC軸配向性の結晶性を有する酸化物半導体層215aを形成する方法について説明する。
図5(B)に示すような、基板100上に酸化物絶縁層221、C軸配向性を有する酸化物半導体層225aを形成する方法について説明する。
図5(C)に示すような、基板100上に酸化物絶縁層231、及び酸化物半導体層234を形成する方法について説明する。
本実施の形態では、上記で示した成膜装置を用いて、ボトムゲート型のトランジスタの作製方法の一例について、図6を用いて説明する。
上記のように、本実施の形態で説明する成膜装置、及び成膜方法によれば、配向性を有する酸化物半導体膜を得ることが出来る。このような酸化物半導体膜を用いてトランジスタを作製することにより、信頼性の高いトランジスタとすることが出来る。結晶性酸化物半導体膜を有するトランジスタの信頼性が高い理由の一つを以下に説明する。
11 成膜装置
100 基板
101 ロード室
102 アンロード室
111 第1の成膜室
112 第2の成膜室
113 第3の成膜室
114 第4の成膜室
121 第1の加熱室
122 第2の加熱室
123 第3の加熱室
131 搬送室
133 ターンテーブル
141 基板支持部
143 移動手段
150 成膜室
151 ターゲット
153 防着板
155 基板加熱手段
157 圧力調整手段
159 ガス導入手段
161 ゲートバルブ
170 加熱室
171 ヒータ
173 保護板
201 酸化物絶縁層
203 酸化物膜
203a 酸化物半導体層
203b 酸化物絶縁層
204 酸化物半導体膜
204a 酸化物半導体層
205 酸化物半導体膜
205a 酸化物半導体層
211 酸化物絶縁層
213b 酸化物絶縁層
215a 酸化物半導体層
221 酸化物絶縁層
225a 酸化物半導体層
231 酸化物絶縁層
234 酸化物半導体層
300 トランジスタ
301 ゲート絶縁層
304a 酸化物半導体層
305a 酸化物半導体層
305b 酸化物半導体層
307 下地絶縁層
309 ゲート電極層
311a ソース電極層
311b ドレイン電極層
313a 酸化物絶縁層
313b 保護絶縁層
Claims (14)
- 基板の搬送機構と、
前記搬送機構が送る前記基板の進行方向に沿って、
酸化物よりなる第1の膜を成膜する第1の成膜室と、
第1の熱処理を行う第1の加熱室と、を有し、
前記基板は、該基板の成膜面と鉛直方向との成す角が1°以上30°以内に収まるよう保持され、
大気に曝すことなく、前記基板に前記第1の膜を成膜した後に前記第1の熱処理を施す、成膜装置。 - 前記第1の膜は、酸化物半導体からなる、請求項1に記載の成膜装置。
- 第1の成膜室で基板上に酸化物よりなる第1の膜を成膜し、
その後大気に曝すことなく第1の加熱室で第1の熱処理を行う工程を有し、
前記基板は、該基板の成膜面と鉛直方向との成す角が1°以上30°以内に収まるよう保持された状態で処理される、成膜方法。 - 前記第1の膜は、酸化物半導体からなる、請求項3に記載の成膜方法。
- 基板の搬送機構と、
前記搬送機構が送る前記基板の進行方向に沿って、
絶縁膜からなる第1の膜を成膜する第1の成膜室と、
第1の熱処理を行う第1の加熱室と、
酸化物よりなる第2の膜を成膜する第2の成膜室と、
第2の熱処理を行う第2の加熱室と、を有し、
前記基板は、該基板の成膜面と鉛直方向との成す角が1°以上30°以内に収まるよう保持され、
大気に曝すことなく、前記第1の膜の成膜後に第1の加熱処理した後、前記第2の膜の成膜後に第2の加熱処理を施す、連続成膜装置。 - 基板の搬送機構と、
前記搬送機構が送る前記基板の進行方向に沿って、
少なくとも第1の金属元素と第2の金属元素を有する酸化物からなる第1の膜を成膜する第1の成膜室と、
第1の熱処理を行う第1の加熱室と、
酸化物よりなる第2の膜を成膜する第2の成膜室と、
第2の熱処理を行う第2の加熱室と、を有し、
前記基板は、該基板の成膜面と鉛直方向との成す角が1°以上30°以内に収まるよう保持され、
大気に曝すことなく、前記第1の膜の成膜後に第1の加熱処理した後、前記第2の膜の第2の成膜後に加熱処理を施す、連続成膜装置。 - 前記第2の膜は、酸化物半導体からなる、請求項5及び請求項6のいずれか一に記載の連続成膜装置。
- 前記第1の金属元素は、亜鉛である、請求項6及び請求項7のいずれか一に記載の連続成膜装置。
- 前記第2の金属元素は、ガリウムである、請求項6乃至請求項8のいずれか一に記載の連続成膜装置。
- 第1の成膜室で基板上に絶縁膜よりなる第1の膜を成膜し、
第1の加熱室で第1の熱処理を行い、
第2の成膜室で酸化物よりなる第2の膜を成膜し、
第2の加熱室で第2の熱処理を行う工程、を有し、
前記基板は、該基板の成膜面と鉛直方向との成す角が1°以上30°以内に収まるよう保持された状態で処理される、成膜方法。 - 第1の成膜室で基板上に少なくとも第1の金属元素と第2の金属元素を有する酸化物よりなる第1の膜を成膜し、
第1の加熱室で第1の熱処理を行い、
第2の成膜室で酸化物よりなる第2の膜を成膜し、
第2の加熱室で第2の熱処理を行う工程、を有し、
前記基板は、該基板の成膜面と鉛直方向との成す角が1°以上30°以内に収まるよう保持された状態で処理される、成膜方法。 - 前記第2の膜は、酸化物半導体からなる、請求項10及び請求項11のいずれか一に記載の成膜方法。
- 前記第1の金属元素は、亜鉛である、請求項11及び請求項12のいずれか一に記載の成膜方法。
- 前記第2の金属元素は、ガリウムである、請求項11乃至請求項13のいずれか一に記載の成膜方法。
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JP2021105216A (ja) * | 2016-06-06 | 2021-07-26 | 株式会社半導体エネルギー研究所 | スパッタリングターゲット |
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Also Published As
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JP2016208044A (ja) | 2016-12-08 |
TWI569331B (zh) | 2017-02-01 |
US20160343589A1 (en) | 2016-11-24 |
TW201707092A (zh) | 2017-02-16 |
US20120064665A1 (en) | 2012-03-15 |
TW201230203A (en) | 2012-07-16 |
JP5969746B2 (ja) | 2016-08-17 |
TWI641054B (zh) | 2018-11-11 |
KR101923363B1 (ko) | 2018-11-30 |
KR20120028830A (ko) | 2012-03-23 |
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