JP6059501B2 - 半導体装置の作製方法 - Google Patents
半導体装置の作製方法 Download PDFInfo
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- JP6059501B2 JP6059501B2 JP2012230364A JP2012230364A JP6059501B2 JP 6059501 B2 JP6059501 B2 JP 6059501B2 JP 2012230364 A JP2012230364 A JP 2012230364A JP 2012230364 A JP2012230364 A JP 2012230364A JP 6059501 B2 JP6059501 B2 JP 6059501B2
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- electrode layer
- insulating film
- transistor
- film
- oxide
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Images
Classifications
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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
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/02521—Materials
- H01L21/02565—Oxide semiconducting materials not being Group 12/16 materials, e.g. ternary compounds
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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
- 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
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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
- 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
- C23C14/3407—Cathode assembly for sputtering apparatus, e.g. Target
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Description
本実施の形態では、本発明の一態様の半導体装置について図面を用いて説明する。
本実施の形態では、実施の形態1で説明した図1に示すトランジスタ150の作製方法について図2乃至図4を用いて説明する。
本実施の形態では、実施の形態1で説明したトランジスタとは異なる構造のトランジスタについて図5および図6を用いて説明する。
本実施の形態では、実施の形態1で説明したトランジスタとは異なる構造のトランジスタについて図7および図8を用いて説明する。
本実施の形態では、実施の形態1で説明したトランジスタとは異なる構造のトランジスタについて図9および図10を用いて説明する。
本実施の形態では、本発明の一態様であるトランジスタを使用し、電力が供給されない状況でも記憶内容の保持が可能で、かつ、書き込み回数にも制限が無い半導体装置(記憶装置)の一例を、図面を用いて説明する。
本実施の形態では、本発明の一態様であるトランジスタを使用し、電力が供給されない状況でも記憶内容の保持が可能で、かつ、書き込み回数にも制限が無い半導体装置について、実施の形態6に示した構成と異なる半導体装置の説明を行う。
本実施の形態では、実施の形態1乃至5で説明したトランジスタを用いることのできる電子機器の例について説明する。
104 酸化物絶縁膜
105 領域
106 酸化物半導体層
106a n型化領域
108 導電膜
108a ソース電極層
108b ドレイン電極層
110 導電膜
110a ソース電極層
110b ドレイン電極層
112 ゲート絶縁膜
113 導電膜
114 ゲート電極層
120 酸素
116 保護絶縁膜
150 トランジスタ
152 トランジスタ
154 トランジスタ
156 トランジスタ
158 トランジスタ
168a ソース電極層
168b ドレイン電極層
174 ゲート電極層
178a ソース電極層
178b ドレイン電極層
180a ソース電極層
180b ドレイン電極層
190a レジストマスク
190b レジストマスク
192 レジストマスク
194a レジストマスク
194b レジストマスク
196 レジストマスク
500 マイクロコンピュータ
501 直流電源
502 バスライン
503 パワーゲートコントローラ
504 パワーゲート
505 CPU
506 揮発性記憶部
507 不揮発性記憶部
508 インターフェース
509 検出部
511 光センサ
512 アンプ
513 ADコンバータ
530 発光素子
601 半導体基板
603 素子分離領域
604 ゲート電極層
606 酸化物半導体層
607 ゲート絶縁膜
609 ゲート電極層
611a 不純物領域
611b 不純物領域
612 ゲート絶縁膜
615 絶縁膜
616a ソース電極層
616b ドレイン電極層
616c 電極
617 絶縁膜
618 保護絶縁膜
619a コンタクトプラグ
619b コンタクトプラグ
620 絶縁膜
621 絶縁膜
622 絶縁膜
623a 配線
623b 配線
624 電極
625 酸化物絶縁膜
626a ソース電極層
626b ドレイン電極層
626c 電極
645 絶縁膜
646 絶縁膜
649 配線
656 配線
660 半導体膜
714 光電変換素子
717 トランジスタ
719 トランジスタ
1141 スイッチング素子
1142 メモリセル
1143 メモリセル群
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
3000 基板
3106 素子分離絶縁層
3150 電極
3200 トランジスタ
3202 トランジスタ
3204 容量素子
3220 酸化物絶縁膜
4162 トランジスタ
4250 メモリセル
4251 メモリセルアレイ
4251a メモリセルアレイ
4251b メモリセルアレイ
4253 周辺回路
4254 容量素子
8100 警報装置
8101 マイクロコンピュータ
8200 室内機
8201 筐体
8202 送風口
8203 CPU
8204 室外機
8300 電気冷凍冷蔵庫
8301 筐体
8302 冷蔵室用扉
8303 冷凍室用扉
8304 CPU
9700 電気自動車
9701 二次電池
9702 制御回路
9703 駆動装置
9704 処理装置
Claims (2)
- 酸化物絶縁膜上に、酸化物半導体層を形成し、
前記酸化物半導体層上に、第1のソース電極層および第1のドレイン電極層を形成し、
前記第1のソース電極層上、および前記第1のドレイン電極層上に、第2のソース電極層、および第2のドレイン電極層を、それぞれ形成し、
前記第2のソース電極層上、および前記第2のドレイン電極層上に、ゲート絶縁膜を形成し、
前記ゲート絶縁膜上に、ゲート電極層を形成し、
前記ゲート電極層上に、絶縁膜を形成し、
前記絶縁膜を介して、前記ゲート絶縁膜へ、酸素を注入する半導体装置の作製方法であって、
前記酸化物絶縁膜は、前記酸化物半導体層と接する領域を有し、
前記酸化物絶縁膜は、前記第2のソース電極層の外側で、前記ゲート絶縁膜と接する領域を有し、
前記酸化物絶縁膜は、前記第2のドレイン電極層の外側で、前記ゲート絶縁膜と接する領域を有し、
前記絶縁膜は、前記ゲート絶縁膜と接する領域を有し、
加熱処理を経て、前記ゲート絶縁膜中の酸素を、前記酸化物半導体層に供給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、酸化物半導体層を形成し、
前記酸化物半導体層上に、第1のソース電極層および第1のドレイン電極層を形成し、
前記第1のソース電極層上、および前記第1のドレイン電極層上に、第2のソース電極層、および第2のドレイン電極層を、それぞれ形成し、
前記第2のソース電極層上、および前記第2のドレイン電極層上に、ゲート絶縁膜を形成し、
前記ゲート絶縁膜上に、ゲート電極層を形成し、
前記ゲート電極層上に、絶縁膜を形成し、
前記絶縁膜を介して、前記ゲート絶縁膜へ、酸素を注入する半導体装置の作製方法であって、
前記酸化物絶縁膜は、前記酸化物半導体層と接する領域を有し、
前記酸化物絶縁膜は、前記第2のソース電極層の外側で、前記ゲート絶縁膜と接する領域を有し、
前記酸化物絶縁膜は、前記第2のドレイン電極層の外側で、前記ゲート絶縁膜と接する領域を有し、
前記絶縁膜は、前記ゲート絶縁膜と接する領域を有し、
加熱処理を経て、前記酸化物絶縁膜中の酸素を、前記ゲート絶縁膜を介して、前記酸化物半導体層に供給することを特徴とする半導体装置の作製方法。
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JP2012230364A JP6059501B2 (ja) | 2012-10-17 | 2012-10-17 | 半導体装置の作製方法 |
US14/054,162 US9153436B2 (en) | 2012-10-17 | 2013-10-15 | Method for manufacturing semiconductor device |
US14/813,413 US9852904B2 (en) | 2012-10-17 | 2015-07-30 | Method for manufacturing semiconductor device |
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