JP6082640B2 - 積層膜の処理方法および半導体装置の作製方法 - Google Patents
積層膜の処理方法および半導体装置の作製方法 Download PDFInfo
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- JP6082640B2 JP6082640B2 JP2013078476A JP2013078476A JP6082640B2 JP 6082640 B2 JP6082640 B2 JP 6082640B2 JP 2013078476 A JP2013078476 A JP 2013078476A JP 2013078476 A JP2013078476 A JP 2013078476A JP 6082640 B2 JP6082640 B2 JP 6082640B2
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- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
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- H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
- H01L21/02227—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process
- H01L21/0223—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process formation by oxidation, e.g. oxidation of the substrate
- H01L21/02244—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process formation by oxidation, e.g. oxidation of the substrate of a metallic layer
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- H—ELECTRICITY
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- H—ELECTRICITY
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- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
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- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02296—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer
- H01L21/02318—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment
- H01L21/02321—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment introduction of substances into an already existing insulating layer
- H01L21/02323—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment introduction of substances into an already existing insulating layer introduction of oxygen
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- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
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- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
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Description
本実施の形態では、本発明の一態様に係る積層膜について説明する。
本実施の形態では、実施の形態1で示した積層膜を用いた本発明の一態様に係るトランジスタについて説明する。
本実施の形態では、先の実施の形態に示したトランジスタを適用した記憶素子を有する半導体装置について説明する。
先の実施の形態に示したトランジスタまたは半導体装置を少なくとも一部に用いてCPU(Central Processing Unit)を構成することができる。
本実施の形態では、先の実施の形態で示したトランジスタを適用した表示装置について説明する。
なお、スペーサ795の形状は、柱状、球状など様々にとることができる。
本実施の形態では、先の実施の形態で示した半導体装置を適用した電子機器の例について説明する。
52 積層膜
52a 酸化物絶縁膜
52b 金属酸化物膜
53a 酸化物絶縁膜
53b 金属膜
80 イオン
100 基板
102 積層膜
102a 酸化物絶縁膜
102b 金属酸化物膜
103a 酸化物絶縁膜
103b 金属膜
104 ゲート電極
106 酸化物半導体膜
112 ゲート絶縁膜
114 ゲート電極
116a ソース電極
116b ドレイン電極
118 保護絶縁膜
130 イオン
200 基板
202 積層膜
202a 酸化物絶縁膜
202b 金属酸化物膜
203a 酸化物絶縁膜
203b 金属膜
204 ゲート電極
206 酸化物半導体膜
212 ゲート絶縁膜
214 ゲート電極
216a ソース電極
216b ドレイン電極
218 保護絶縁膜
230 イオン
300 基板
302 積層膜
302a 酸化物絶縁膜
302b 金属酸化物膜
303a 酸化物絶縁膜
303b 金属膜
304 ゲート電極
306 酸化物半導体膜
312 ゲート絶縁膜
316a ソース電極
316b ドレイン電極
330 イオン
400 基板
402 積層膜
402a 酸化物絶縁膜
402b 金属酸化物膜
403a 酸化物絶縁膜
403b 金属膜
404 ゲート電極
406 酸化物半導体膜
412 ゲート絶縁膜
416a ソース電極
416b ドレイン電極
430 イオン
500 基板
502 積層膜
502a 酸化物絶縁膜
502b 金属酸化物膜
503a 酸化物絶縁膜
503b 金属膜
504 ゲート電極
506 酸化物半導体膜
512 ゲート絶縁膜
518 保護絶縁膜
520 絶縁膜
522 絶縁膜
524a 配線
524b 配線
526 電極
528 電極
530 イオン
551 トランジスタ
552 キャパシタ
553 ビット線
554 ワード線
555 容量線
556 メモリセル
558 センスアンプ
600 基板
602 積層膜
602a 酸化物絶縁膜
602b 金属酸化物膜
603a 酸化物絶縁膜
603b 金属膜
604 ゲート電極
605 導電膜
606 酸化物半導体膜
610 側壁絶縁膜
611 側壁絶縁膜
612 ゲート絶縁膜
616 導電膜
616a ソース電極
616b ドレイン電極
618 保護絶縁膜
620 絶縁膜
622 絶縁膜
624a 配線
624b 配線
626 電極
628 電極
630 イオン
640 絶縁膜
641 絶縁膜
650 基板
652 下地絶縁膜
654 ゲート電極
656 結晶シリコン膜
660 側壁絶縁膜
662 ゲート絶縁膜
668 絶縁膜
671 トランジスタ
672 トランジスタ
673 キャパシタ
674 ソース線
675 ソース線
676 ワード線
677 ドレイン線
678 容量線
679 ノード
719 発光素子
720 絶縁膜
721 絶縁膜
741 トランジスタ
742 キャパシタ
743 スイッチ素子
744 信号線
750 画素
751 トランジスタ
752 キャパシタ
753 液晶素子
754 走査線
755 信号線
781 電極
782 発光層
783 電極
784 隔壁
785a 中間層
785b 中間層
785c 中間層
785d 中間層
786a 発光層
786b 発光層
786c 発光層
791 電極
792 絶縁膜
793 液晶層
794 絶縁膜
795 スペーサ
796 電極
797 基板
1141 スイッチング素子
1142 記憶素子
1143 記憶素子群
1189 ROMインターフェース
1190 基板
1191 ALU
1192 ALUコントローラ
1193 インストラクションデコーダ
1194 インタラプトコントローラ
1195 タイミングコントローラ
1196 レジスタ
1197 レジスタコントローラ
1198 バスインターフェース
1199 ROM
9300 筐体
9301 ボタン
9302 マイクロフォン
9303 表示部
9304 スピーカ
9305 カメラ
9310 筐体
9311 表示部
9320 筐体
9321 ボタン
9322 マイクロフォン
9323 表示部
9630 筐体
9631a 表示部
9631b 表示部
9633 留め具
9638 操作スイッチ
Claims (6)
- 酸化物絶縁膜上に金属膜の設けられた積層膜の処理方法であって、
酸素を含む雰囲気下で、圧力を5Pa以上15Pa以下とし、前記積層膜側に電力密度0.59W/cm2以上1.18W/cm2以下の高周波電力を印加することで酸素イオンを含むプラズマを生成し、前記酸素イオンによって、前記金属膜を酸化させて金属酸化物膜を形成し、かつ前記酸化物絶縁膜に酸素を供給することで過剰酸素を有する酸化物絶縁膜を形成することを特徴とする積層膜の処理方法。 - 請求項1において、
前記金属膜として、マグネシウム、アルミニウム、イットリウム、ハフニウムまたはジルコニウムを一種以上含む、厚さが3nm以上15nm以下の、単体膜、窒化物膜、酸化物膜または合金膜を設けることを特徴とする積層膜の処理方法。 - 酸化物絶縁膜上に金属膜を成膜し、
酸素を含む雰囲気下で酸素イオンを含むプラズマを生成し、前記酸素イオンによって、前記金属膜を酸化させることで金属酸化物膜を形成し、かつ前記酸化物絶縁膜に酸素を供給することで過剰酸素を有する酸化物絶縁膜を形成した後、前記金属酸化物膜上に酸化物半導体膜を形成し、
前記酸化物半導体膜上にゲート絶縁膜を形成し、
前記ゲート絶縁膜上にゲート電極を形成することを特徴とする半導体装置の作製方法。 - 酸化物絶縁膜上に金属膜を成膜し、
酸素を含む雰囲気下で酸素イオンを含むプラズマを生成し、前記酸素イオンによって、前記金属膜を酸化させることで金属酸化物膜を形成し、かつ前記酸化物絶縁膜に酸素を供給することで過剰酸素を有する酸化物絶縁膜を形成した後、前記金属酸化物膜上にゲート電極を形成し、
前記ゲート電極上にゲート絶縁膜を形成し、
前記ゲート絶縁膜上に酸化物半導体膜を形成することを特徴とする半導体装置の作製方法。 - 請求項3または請求項4において、
前記金属膜として、マグネシウム、アルミニウム、イットリウム、ハフニウムまたはジルコニウムを一種以上含む、厚さが3nm以上15nm以下の、単体膜、窒化物膜、酸化物膜または合金膜を成膜することを特徴とする半導体装置の作製方法。 - 請求項3乃至請求項5のいずれか一において、
前記プラズマは、圧力を5Pa以上15Pa以下とし、前記金属膜側に電力密度0.59W/cm2以上1.18W/cm2以下の高周波電力を印加することで生成することを特徴とする半導体装置の作製方法。
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US20150214041A1 (en) | 2015-07-30 |
US20130267068A1 (en) | 2013-10-10 |
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JP2017085163A (ja) | 2017-05-18 |
US8999773B2 (en) | 2015-04-07 |
JP6559764B2 (ja) | 2019-08-14 |
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US9711349B2 (en) | 2017-07-18 |
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