JP5553703B2 - 半導体膜の作製方法および半導体装置の作製方法 - Google Patents
半導体膜の作製方法および半導体装置の作製方法 Download PDFInfo
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- JP5553703B2 JP5553703B2 JP2010165199A JP2010165199A JP5553703B2 JP 5553703 B2 JP5553703 B2 JP 5553703B2 JP 2010165199 A JP2010165199 A JP 2010165199A JP 2010165199 A JP2010165199 A JP 2010165199A JP 5553703 B2 JP5553703 B2 JP 5553703B2
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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
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02612—Formation types
- H01L21/02617—Deposition types
- H01L21/0262—Reduction or decomposition of gaseous compounds, e.g. CVD
-
- 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
- C23C16/22—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 deposition of inorganic material, other than metallic material
- C23C16/24—Deposition of silicon only
-
- 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
- C23C16/22—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 deposition of inorganic material, other than metallic material
- C23C16/28—Deposition of only one other non-metal element
-
- 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
- C23C16/45523—Pulsed gas flow or change of composition over time
-
- 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
-
- 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
- H01L21/02518—Deposited layers
- H01L21/02521—Materials
- H01L21/02524—Group 14 semiconducting materials
- H01L21/02532—Silicon, silicon germanium, germanium
-
- 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
- H01L21/02518—Deposited layers
- H01L21/02587—Structure
- H01L21/0259—Microstructure
- H01L21/02595—Microstructure polycrystalline
-
- H01L29/78669—
-
- H01L29/78678—
-
- H01L29/78684—
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Metallurgy (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thin Film Transistor (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
Description
本実施の形態では、結晶性の高い微結晶半導体膜の形成方法について、図1及び図2を用いて説明する。
本実施の形態では、結晶粒が隣接しており、且つ結晶性の高い微結晶半導体膜の形成方法について、図3を用いて説明する。
本実施の形態では、実施の形態1及び実施の形態2で示す形成方法を用いた微結晶半導体膜を有する薄膜トランジスタの構造について、図4を用いて説明する。
本実施の形態では、実施の形態3に示す薄膜トランジスタの一形態である図4(C)に示す薄膜トランジスタの作製方法について図5及び図6を参照して説明する。
本実施の形態では、実施の形態1乃至実施の形態4で示す薄膜トランジスタを用いることが可能な、素子基板、及び当該素子基板を有する表示装置について、以下に示す。表示装置としては、液晶表示装置、発光表示装置、電子ペーパー等があるが、上記実施の形態の薄膜トランジスタは他の表示装置の素子基板にも用いることができる。ここでは、上記実施の形態4で示す薄膜トランジスタを有する液晶表示装置、代表的には、VA(Vertical Alignment)型の液晶表示装置について、図10及び図11を用いて説明する。
実施の形態5で示す素子基板413において、配向膜411を形成せず、発光素子を設けることにより、当該素子基板を発光表示装置や、発光装置に用いることができる。発光表示装置や発光装置は、発光素子として代表的には、エレクトロルミネッセンスを利用する発光素子がある。エレクトロルミネッセンスを利用する発光素子は、発光材料が有機化合物であるか、無機化合物であるかによって大別され、一般的に、前者は有機EL素子、後者は無機EL素子と呼ばれている。
上記実施の形態に係る薄膜トランジスタを有する表示装置は、さまざまな電子機器(遊技機も含む)に適用することができる。電子機器としては、例えば、テレビジョン装置(テレビ、またはテレビジョン受信機ともいう)、コンピュータ用などのモニタ、電子ペーパー、デジタルカメラやデジタルビデオカメラ等のカメラ、デジタルフォトフレーム、携帯電話機(携帯電話、携帯電話装置ともいう)、携帯型ゲーム機、携帯情報端末、音響再生装置、パチンコ機などの大型ゲーム機などが挙げられる。特に、実施の形態5及び実施の形態6で示したように、上記実施の形態に係る薄膜トランジスタを液晶表示装置、発光装置、電気泳動方式表示装置などに適用することにより、電子機器の表示部に用いることができる。以下に具体的に例示する。
52 破線
53 実線
55 実線
57 実線
59 破線
61 実線
62 破線
63 実線
65 実線
67 実線
69 破線
101 基板
103 ゲート電極
105 ゲート絶縁膜
107 微結晶半導体膜
109 不純物半導体膜
111 配線
121 微結晶半導体膜
123 チャネル保護膜
125 不純物半導体膜
127 配線
131 微結晶半導体膜
135 非晶質半導体膜
137 不純物半導体膜
139 配線
140 基板
141 処理室
142 ステージ
143 ガス供給部
144 シャワープレート
145 排気口
146 上部電極
147 下部電極
148 高周波電源
149 温度制御部
150 ガス供給手段
151 排気手段
152 シリンダ
153 圧力調整弁
154 ストップバルブ
155 マスフローコントローラ
156 バルブ
157 コンダクタンスバルブ
158 ターボ分子ポンプ
159 ドライポンプ
160 クライオポンプ
161 プラズマCVD装置
301 基板
303 ゲート電極
305 ゲート絶縁膜
306 半導体膜
307 半導体膜
307b 混合領域
307c 領域
309 不純物半導体膜
311 導電膜
313 レジストマスク
315 半導体膜
315a 微結晶半導体膜
315b 混合領域
315c 領域
317 不純物半導体膜
319 導電膜
321 レジストマスク
323 レジストマスク
325 配線
327 不純物半導体膜
329c 領域
331a 微結晶半導体領域
331b 非晶質半導体領域
331c 微結晶半導体領域
333d 非晶質半導体領域
401 基板
402 ゲート電極
403 薄膜トランジスタ
404 容量配線
405 容量素子
406 ゲート絶縁膜
407 ドレイン電極
408 絶縁膜
409 画素電極
411 配向膜
413 素子基板
421 対向基板
423 遮光膜
425 着色膜
427 平坦化膜
429 対向電極
431 配向膜
441 スペーサ
443 液晶膜
451 着色膜
453 保護膜
455 素子基板
1700 筐体
1701 筐体
1702 表示部
1703 表示部
1704 蝶番
1705 電源
1706 操作キー
1707 スピーカ
1711 筐体
1712 表示部
1721 筐体
1722 表示部
1723 スタンド
1731 筐体
1732 表示部
1733 操作ボタン
1734 外部接続ポート
1735 スピーカ
1736 マイク
1737 操作ボタン
Claims (4)
- 基板上に微結晶を含む半導体膜を形成する工程を有し、
前記半導体膜を形成する工程において、
処理室に、第1の流量の水素と、第2の流量のシリコンまたはゲルマニウムを含む堆積性気体と、第3の流量の希ガスと、を導入するステップと、
前記処理室に、前記第1の流量の水素と、第4の流量のシリコンまたはゲルマニウムを含む堆積性気体と、第5の流量の希ガスと、を導入するステップと、を繰り返し行い、
前記第2の流量は、前記第4の流量より多く、
前記第3の流量は、前記第5の流量より多いことを特徴とする半導体膜の作製方法。 - 基板上に微結晶を含む半導体膜を形成する工程を有し、
前記半導体膜を形成する工程において、
処理室に、第1の流量の水素と、第2の流量のシリコンまたはゲルマニウムを含む堆積性気体と、第3の流量の希ガスと、を導入するステップと、
前記処理室に、希ガスを導入せず、前記第1の流量の水素と、第4の流量のシリコンまたはゲルマニウムを含む堆積性気体と、を導入するステップと、を繰り返し行い、
前記第2の流量は、前記第4の流量より多いことを特徴とする半導体膜の作製方法。 - 請求項1または請求項2において、
前記半導体膜は、第1の半導体膜であり、
前記第1の半導体膜上に第2の半導体膜を形成する工程を有し、
前記第1の半導体膜および前記第2の半導体膜を有するトランジスタを形成する工程を有し、
前記第2の半導体膜を形成する工程において、
処理室に、水素と、シリコンまたはゲルマニウムを含む堆積性気体と、窒素を含む気体と、を導入することを特徴とする半導体装置の作製方法。 - 請求項1または請求項2において、
前記半導体膜を有するトランジスタを形成する工程を有することを特徴とする半導体装置の作製方法。
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WO2010119689A1 (ja) * | 2009-04-17 | 2010-10-21 | シャープ株式会社 | 半導体装置およびその製造方法 |
US8778745B2 (en) | 2010-06-29 | 2014-07-15 | Semiconductor Energy Laboratory Co., Ltd. | Method for manufacturing semiconductor device |
CN102386072B (zh) | 2010-08-25 | 2016-05-04 | 株式会社半导体能源研究所 | 微晶半导体膜的制造方法及半导体装置的制造方法 |
US8450158B2 (en) | 2010-11-04 | 2013-05-28 | Semiconductor Energy Laboratory Co., Ltd. | Method for forming microcrystalline semiconductor film and method for manufacturing semiconductor device |
US8394685B2 (en) | 2010-12-06 | 2013-03-12 | Semiconductor Energy Laboratory Co., Ltd. | Etching method and manufacturing method of thin film transistor |
US9048327B2 (en) * | 2011-01-25 | 2015-06-02 | Semiconductor Energy Laboratory Co., Ltd. | Microcrystalline semiconductor film, method for manufacturing the same, and method for manufacturing semiconductor device |
JP6006948B2 (ja) * | 2011-03-17 | 2016-10-12 | 株式会社半導体エネルギー研究所 | 微結晶半導体膜、及び半導体装置の作製方法 |
JP6158111B2 (ja) * | 2014-02-12 | 2017-07-05 | 東京エレクトロン株式会社 | ガス供給方法及び半導体製造装置 |
JP6415215B2 (ja) * | 2014-09-26 | 2018-10-31 | 株式会社Kokusai Electric | 基板処理装置、半導体装置の製造方法及びプログラム |
KR102553296B1 (ko) * | 2019-12-12 | 2023-07-10 | 주식회사 원익아이피에스 | 박막 형성 방법 |
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JP4727266B2 (ja) * | 2005-03-22 | 2011-07-20 | 東京エレクトロン株式会社 | 基板処理方法および記録媒体 |
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