JP6220526B2 - 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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- JP6220526B2 JP6220526B2 JP2013035484A JP2013035484A JP6220526B2 JP 6220526 B2 JP6220526 B2 JP 6220526B2 JP 2013035484 A JP2013035484 A JP 2013035484A JP 2013035484 A JP2013035484 A JP 2013035484A JP 6220526 B2 JP6220526 B2 JP 6220526B2
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- RUFLMLWJRZAWLJ-UHFFFAOYSA-N nickel silicide Chemical compound [Ni]=[Si]=[Ni] RUFLMLWJRZAWLJ-UHFFFAOYSA-N 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 229910052706 scandium Inorganic materials 0.000 description 1
- SIXSYDAISGFNSX-UHFFFAOYSA-N scandium atom Chemical compound [Sc] SIXSYDAISGFNSX-UHFFFAOYSA-N 0.000 description 1
- VSZWPYCFIRKVQL-UHFFFAOYSA-N selanylidenegallium;selenium Chemical compound [Se].[Se]=[Ga].[Se]=[Ga] VSZWPYCFIRKVQL-UHFFFAOYSA-N 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation Effects 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical compound [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 0.000 description 1
- FRNOGLGSGLTDKL-UHFFFAOYSA-N thulium atom Chemical compound [Tm] FRNOGLGSGLTDKL-UHFFFAOYSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Classifications
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/67—Thin-film transistors [TFT]
- H10D30/674—Thin-film transistors [TFT] characterised by the active materials
- H10D30/6755—Oxide semiconductors, e.g. zinc oxide, copper aluminium oxide or cadmium stannate
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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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- 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
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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
- H01L21/02612—Formation types
- H01L21/02617—Deposition types
- H01L21/02631—Physical deposition at reduced pressure, e.g. MBE, sputtering, evaporation
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/01—Manufacture or treatment
- H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
- H10D30/031—Manufacture or treatment of FETs having insulated gates [IGFET] of thin-film transistors [TFT]
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/67—Thin-film transistors [TFT]
- H10D30/6758—Thin-film transistors [TFT] characterised by the insulating substrates
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/40—Crystalline structures
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/80—Semiconductor bodies, or regions thereof, of devices having potential barriers characterised by the materials
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
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- Computer Hardware Design (AREA)
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- Crystallography & Structural Chemistry (AREA)
- Thin Film Transistor (AREA)
- Semiconductor Memories (AREA)
- Electrodes Of Semiconductors (AREA)
- Non-Volatile Memory (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
Description
本実施の形態では、半導体装置及び半導体装置の作製方法の一態様を、図1乃至図3を用いて説明する。本実施の形態では、半導体装置の一例として酸化物半導体層を有するトランジスタを示す。
本実施の形態では、実施の形態1と異なる構成の半導体装置及びその作製方法について図4及び図5を用いて説明する。なお、上記実施の形態と同一部分又は同様の機能を有する部分及び工程は、上記実施の形態と同様に行うことができ、繰り返しの説明は省略する。また、同じ箇所の詳細な説明は省略する。
本実施の形態では、本明細書に示す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、実施の形態3とは異なる記憶装置の構造の一形態について説明する。
本実施の形態では、半導体装置の一例として、上記実施の形態1又は2に開示したトランジスタを少なくとも一部に用いたCPU(Central Processing Unit)について説明する。
本明細書に開示する半導体装置は、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、テレビ、モニタ等の表示装置、照明装置、デスクトップ型或いはノート型のパーソナルコンピュータ、ワードプロセッサ、DVD(Digital Versatile Disc)などの記録媒体に記憶された静止画又は動画を再生する画像再生装置、ポータブルCDプレーヤ、ラジオ、テープレコーダ、ヘッドホンステレオ、ステレオ、コードレス電話子機、トランシーバ、携帯無線機、携帯電話、自動車電話、携帯型ゲーム機、電卓、携帯情報端末、電子手帳、電子書籍、電子翻訳機、音声入力機器、ビデオカメラ、デジタルスチルカメラ、電気シェーバ、電子レンジ等の高周波加熱装置、電気炊飯器、電気洗濯機、電気掃除機、エアコンディショナーなどの空調設備、食器洗い器、食器乾燥器、衣類乾燥器、布団乾燥器、電気冷蔵庫、電気冷凍庫、電気冷凍冷蔵庫、DNA保存用冷凍庫、煙感知器、放射線測定器、透析装置等の医療機器、などが挙げられる。さらに、誘導灯、信号機、ベルトコンベア、エレベータ、エスカレータ、産業用ロボット、電力貯蔵システム等の産業機器も挙げられる。また、石油を用いたエンジンや、非水系二次電池からの電力を用いて電動機により推進する移動体なども、電気機器の範疇に含まれるものとする。上記移動体として、例えば、電気自動車(EV)、内燃機関と電動機を併せ持ったハイブリッド車(HEV)、プラグインハイブリッド車(PHEV)、これらのタイヤ車輪を無限軌道に変えた装軌車両、電動アシスト自転車を含む原動機付自転車、自動二輪車、電動車椅子、ゴルフ用カート、小型又は大型船舶、潜水艦、ヘリコプター、航空機、ロケット、人工衛星、宇宙探査機や惑星探査機、宇宙船が挙げられる。これらの電子機器の具体例を図10に示す。
102 領域
104 領域
106 素子分離絶縁層
108 ゲート絶縁層
110 ゲート電極層
116 チャネル形成領域
120 不純物領域
124 金属間化合物領域
128 絶縁層
130 絶縁層
142a 電極層
142b 電極層
144 酸化物半導体層
145 ゲート電極層
146 側壁絶縁層
148 導電層
150 絶縁層
152 絶縁層
156 配線
160 トランジスタ
162 トランジスタ
164 容量素子
185 基板
400 基板
401 ゲート電極層
402 ゲート絶縁層
403 酸化物半導体層
403a 不純物領域
403b 不純物領域
403c チャネル形成領域
405 導電膜
405a ソース電極層
405b ドレイン電極層
407 絶縁層
412 側壁絶縁層
412a 絶縁層
412b 絶縁層
414 絶縁層
415a ソース配線層
415b ドレイン配線層
420 トランジスタ
422 トランジスタ
431 不純物元素
436 下地絶縁層
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
3001 トランジスタ
3003a 電極層
3003b 電極層
3003c 電極層
3004 論理回路
3021 本体
3022 固定部
3023 表示部
3024 操作ボタン
3025 外部メモリスロット
3100a 配線
3100b 配線
3100c 配線
3100d 配線
3106 素子分離絶縁層
3140a 絶縁層
3140b 絶縁層
3141a 絶縁層
3141b 絶縁層
3142a 絶縁層
3142b 絶縁層
3170a メモリセル
3170b メモリセル
3171a トランジスタ
3171b トランジスタ
3303 電極層
3400 メモリセルアレイ
3501a 電極層
3501b 電極層
3501c 電極層
3502a 電極層
3502b 電極層
3502c 電極層
3503a 電極層
3503b 電極層
3505 電極層
8000 テレビジョン装置
8001 筐体
8002 表示部
8003 スピーカ部
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
9000 テーブル
9001 筐体
9002 脚部
9003 表示部
9004 表示ボタン
9005 電源コード
9033 留め具
9034 スイッチ
9035 電源スイッチ
9036 スイッチ
9038 操作スイッチ
9201 本体
9202 筐体
9203 表示部
9204 キーボード
9205 外部接続ポート
9206 ポインティングデバイス
9630 筐体
9631 表示部
9631a 表示部
9631b 表示部
9632a 領域
9632b 領域
9633 太陽電池
9634 充放電制御回路
9635 バッテリー
9636 DCDCコンバータ
9637 コンバータ
9638 操作キー
9639 ボタン
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 (1)
- 酸化物半導体層を形成し、
前記酸化物半導体層上に、ゲート絶縁層を形成し、
前記ゲート絶縁層を介して、前記酸化物半導体層と重畳する、ゲート電極層を形成し、
前記酸化物半導体層、前記ゲート絶縁層及び前記ゲート電極層を覆うように、第1の絶縁層を形成し、
前記第1の絶縁層上から、元素を導入して、前記酸化物半導体層に第1の領域及び第2の領域を形成し、
前記第1の絶縁層上に、第2の絶縁層を形成し、
前記第1の絶縁層及び前記第2の絶縁層をエッチングして、前記ゲート電極層の側面に接する側壁絶縁層を形成し、
前記側壁絶縁層を用いて、前記ゲート絶縁層をエッチングして、前記第1の領域及び前記第2の領域を露出させ、
前記第1の領域及び前記第2の領域と接する、導電膜を形成し、
前記導電膜を覆って、第3の絶縁層を形成し、
前記第3の絶縁層及び前記導電膜を研磨して、前記ゲート電極層の表面を露出させて、前記導電膜からソース電極層及びドレイン電極層を形成する、半導体装置の作製方法であって、
前記元素は、希ガス、リン、砒素、アンチモン、ホウ素、アルミニウム、タングステン、モリブデン、窒素、フッ素、塩素、チタン、炭素、又は亜鉛であることを特徴とする半導体装置の作製方法。
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| US9653614B2 (en) * | 2012-01-23 | 2017-05-16 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device and method for manufacturing the same |
| KR20220046701A (ko) | 2013-12-27 | 2022-04-14 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 발광 장치 |
| JP6506545B2 (ja) | 2013-12-27 | 2019-04-24 | 株式会社半導体エネルギー研究所 | 半導体装置 |
| WO2015114476A1 (en) * | 2014-01-28 | 2015-08-06 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device |
| US9929279B2 (en) | 2014-02-05 | 2018-03-27 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device and manufacturing method thereof |
| US9640669B2 (en) * | 2014-03-13 | 2017-05-02 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device, display device including the semiconductor device, display module including the display device, and electronic appliance including the semiconductor device, the display device, and the display module |
| US9722091B2 (en) | 2014-09-12 | 2017-08-01 | Semiconductor Energy Laboratory Co., Ltd. | Method for manufacturing semiconductor device |
| CN204391121U (zh) * | 2014-12-22 | 2015-06-10 | 京东方科技集团股份有限公司 | 一种显示装置、阵列基板及薄膜晶体管 |
| JP6744108B2 (ja) * | 2015-03-02 | 2020-08-19 | 株式会社半導体エネルギー研究所 | トランジスタ、トランジスタの作製方法、半導体装置および電子機器 |
| KR20160114511A (ko) * | 2015-03-24 | 2016-10-05 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 반도체 장치의 제작 방법 |
| JP6986831B2 (ja) | 2015-07-17 | 2021-12-22 | 株式会社半導体エネルギー研究所 | 半導体装置及び電子機器 |
| JP6725357B2 (ja) | 2015-08-03 | 2020-07-15 | 株式会社半導体エネルギー研究所 | 半導体装置、半導体装置の作製方法 |
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2013
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| US20130221347A1 (en) | 2013-08-29 |
| JP2017208578A (ja) | 2017-11-24 |
| JP6499246B2 (ja) | 2019-04-10 |
| US9553200B2 (en) | 2017-01-24 |
| JP2013211538A (ja) | 2013-10-10 |
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