JP2009260297A - プラズマ処理装置、および半導体装置の作製方法 - Google Patents
プラズマ処理装置、および半導体装置の作製方法 Download PDFInfo
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- JP2009260297A JP2009260297A JP2009062474A JP2009062474A JP2009260297A JP 2009260297 A JP2009260297 A JP 2009260297A JP 2009062474 A JP2009062474 A JP 2009062474A JP 2009062474 A JP2009062474 A JP 2009062474A JP 2009260297 A JP2009260297 A JP 2009260297A
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- H—ELECTRICITY
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- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
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Abstract
【解決手段】第1のターボ分子ポンプと第2のターボ分子ポンプが直列接続した排気手段により、反応室内の到達最低圧力を超高真空領域に下げる。さらにナイフエッジ型メタルシールフランジにより反応室のリーク量を低減する。こうして超高真空領域に下げた同一反応室内で微結晶半導体膜と非晶質半導体膜とを積層する。微結晶半導体膜の表面を覆う非晶質半導体膜を形成することによって、微結晶半導体膜の酸化を防止する。
【選択図】図1
Description
51a:第1の導電層
51b:第2の導電層
52a:ゲート絶縁膜
52b:ゲート絶縁膜
53:微結晶シリコン膜
54:i型の非晶質シリコン膜
55:一導電型を付与する不純物が添加された半導体膜
56:レジストマスク
61:微結晶シリコン膜
62:i型の非晶質シリコン膜
63:一導電型を付与する不純物が添加された半導体膜
65a、65b、65c:導電膜
66:レジストマスク
67:第1のゲート絶縁膜
68:第2のゲート絶縁膜
71a、71b、71c:ソース電極またはドレイン電極
72:ソース領域及びドレイン領域
73:i型の非晶質シリコン膜
74:薄膜トランジスタ
76:絶縁膜
77:画素電極
82:平坦化膜
100a 第1反応室
100b 反応室
100c 第3反応室
100d 第4反応室
101 第1の電極
101a 第1の電極
101b 第1の電極
102 第2の電極
103 高周波電力供給手段
104 第1の高周波電源
105 第2の高周波電源
106 第1の整合器
107 第2の整合器
108 ガス供給手段
108g ガス供給手段
108i ガス供給手段
108b ガス供給手段
108n ガス供給手段
108a ガス供給手段
108f ガス供給手段
109 排気手段
110 シリンダ
111 圧力調整弁
112 ストップバルブ
113 マスフローコントローラ
114 基板加熱ヒータ
115 ヒータコントローラ
116 絶縁材
117 バタフライバルブ
118 バルブ
119 ターボ分子ポンプ
120 ドライポンプ
121 クライオポンプ
122 ロード/アンロード室
123 共通室
124 カセット
125 ゲートバルブ
126 搬送機構
127 ターボ分子ポンプ
130 第1の高周波カットフィルタ
131 第2の高周波カットフィルタ
Claims (6)
- 反応室内でグロー放電プラズマを生成し、該反応室内に載置された基板に反応生成物を堆積するプラズマ処理装置であって、
前記反応室内に前記グロー放電プラズマを生成する電極と、
該電極と電気的に接続された第1の高周波カットフィルタ及び第2の高周波カットフィルタと、
前記第1の高周波カットフィルタと電気的に接続された第1の整合器と、該第1の整合器と電気的に接続された第1の高周波電源と、
前記第2の高周波カットフィルタと電気的に接続された第2の整合器と、該第2の整合器と電気的に接続された第2の高周波電源とを有し、
前記第1の高周波電源から出力される高周波の電波は、10m以上の波長を有し、
前記第2の高周波電源から出力される高周波の電波は、10m未満の波長を有し、
前記第1の高周波カットフィルタは、前記第2の高周波電源からの高周波電力を遮断し、
前記第2の高周波カットフィルタは、前記第1の高周波電源からの高周波電力を遮断するプラズマ処理装置。 - 請求項1において、前記反応室内を真空排気する手段は、第1のターボ分子ポンプと第2のターボ分子ポンプが直列接続した排気手段であるプラズマ処理装置。
- 請求項1または請求項2において、前記反応室の気密シール手段は、ナイフエッジ型メタルシールフランジを有するプラズマ処理装置。
- 反応室内に第1の反応ガスを導入し、
前記反応室内の上部電極に30MHz以上300MHz以下の範囲内に設定された周波数を有する高周波電力を印加してグロー放電プラズマを生成し、前記反応室内の下部電極上に載置された基板上に微結晶半導体膜を堆積し、
前記反応室内に第2の反応ガスを導入し、
前記上部電極に30MHz以上300MHz以下の範囲内に設定された周波数を有する高周波電力を印加してグロー放電プラズマを生成し、前記微結晶半導体膜上に非晶質半導体膜を積層する半導体装置の作製方法。 - 反応室内に反応ガスを導入し、
前記反応室内の上部電極に3MHz以上30MHz未満の範囲内に設定された第1の周波数を有する第1の高周波電力と、30MHz以上300MHz以下の範囲内に設定された第2の周波数を有する第2の高周波電力とを重畳印加してグロー放電プラズマを生成し、前記反応室内の下部電極上に載置された基板に微結晶半導体膜を堆積し、
前記微結晶半導体膜を堆積した後に前記反応室内に水素を導入して前記上部電極に30MHz以上300MHz以下の範囲内に設定された第3の周波数を有する第3の高周波電力を印加して前記微結晶半導体膜にプラズマ処理を行う半導体装置の作製方法。 - 請求項5において、前記反応ガスを導入する前の反応室内の圧力を1×10−8Paから1×10−4Paの範囲とする半導体装置の作製方法。
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Also Published As
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JP5361468B2 (ja) | 2013-12-04 |
US8247315B2 (en) | 2012-08-21 |
CN101540276A (zh) | 2009-09-23 |
TWI450322B (zh) | 2014-08-21 |
US20090233425A1 (en) | 2009-09-17 |
CN101540276B (zh) | 2013-07-24 |
TW201005802A (en) | 2010-02-01 |
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