JP5902548B2 - 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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- JP5902548B2 JP5902548B2 JP2012105587A JP2012105587A JP5902548B2 JP 5902548 B2 JP5902548 B2 JP 5902548B2 JP 2012105587 A JP2012105587 A JP 2012105587A JP 2012105587 A JP2012105587 A JP 2012105587A JP 5902548 B2 JP5902548 B2 JP 5902548B2
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- film
- insulating film
- transistor
- oxide semiconductor
- semiconductor film
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Classifications
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
- H01L29/7869—Thin film transistors, i.e. transistors with a channel being at least partly a thin film having a semiconductor body comprising an oxide semiconductor material, e.g. zinc oxide, copper aluminium oxide, 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
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/324—Thermal treatment for modifying the properties of semiconductor bodies, e.g. annealing, sintering
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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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
- H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
- H01L21/84—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being other than a semiconductor body, e.g. being an insulating body
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- 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
- H01L27/1203—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 the substrate comprising an insulating body on a semiconductor body, e.g. SOI
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- 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
- H01L27/1214—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 comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/1222—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 comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition, shape or crystalline structure of the active layer
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- 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
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Description
本実施の形態では、本発明の一態様であるトランジスタの一例について、図1乃至図4などを用いて説明する。
本実施の形態では、実施の形態1とは異なる構造のトランジスタについて図5乃至図7などを用いて説明する。
本実施の形態では、実施の形態1または実施の形態2に示したトランジスタを用いて、半導体装置であるメモリを作製する例について説明する。
実施の形態1または実施の形態2で示したトランジスタ、および実施の形態3で示した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、実施の形態3または実施の形態4を適用した電子機器の例について説明する。
102 下地絶縁膜
104 保護絶縁膜
106 酸化物半導体膜
106a 高抵抗領域
106b 低抵抗領域
108 ゲート絶縁膜
110 ゲート電極
112 側壁絶縁膜
114 一対の電極
116 層間絶縁膜
118 配線
120 不純物
152 下地絶縁膜
154 保護絶縁膜
156 酸化物半導体膜
158 ゲート絶縁膜
160 導電膜
162 絶縁膜
166 酸化物半導体膜
200 基板
202 下地絶縁膜
206 酸化物半導体膜
206a 高抵抗領域
206b 低抵抗領域
208 ゲート絶縁膜
210 ゲート電極
214 一対の電極
216 層間絶縁膜
218 配線
220 不純物
252 下地絶縁膜
256 酸化物半導体膜
260 導電膜
264 導電膜
324 層間絶縁膜
326 電極
330 キャパシタ
340 トランジスタ
350 トランジスタ
382 下地絶縁膜
384 半導体膜
384a 抵抗領域
384b 抵抗領域
384c 抵抗領域
386 ゲート絶縁膜
392 ゲート電極
394 側壁絶縁膜
396 層間絶縁膜
500 筐体
501 ボタン
502 マイクロフォン
503 表示部
504 スピーカ
505 カメラ
520 筐体
521 ボタン
522 マイクロフォン
523 表示部
600 基板
602 下地絶縁膜
606 酸化物半導体膜
608 ゲート絶縁膜
610 ゲート電極
614 一対の電極
616 層間絶縁膜
618 配線
620 保護膜
1141 スイッチング素子
1142 半導体装置
1143 半導体装置群
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
Claims (2)
- 基板上に第1の絶縁膜を形成し、
前記第1の絶縁膜上に第2の絶縁膜を形成し、
前記第1の絶縁膜上および前記第2の絶縁膜上に100℃以上600℃以下の基板温度で酸化物半導体膜を成膜し、
前記酸化物半導体膜を成膜した後、250℃以上650℃以下の温度で加熱処理を行い、
前記酸化物半導体膜上に第3の絶縁膜を成膜し、
前記第3の絶縁膜上にゲート電極を形成し、
前記第1の絶縁膜は、上面の高さが前記第2の絶縁膜の上面の高さと概略一致する領域を有し、
前記第1の絶縁膜は、前記酸化物半導体膜に酸素を供給することができる機能を有し、
前記第2の絶縁膜は、酸素の拡散を抑制することができる機能を有し、
前記第2の絶縁膜は、前記ゲート電極と重ならない領域を有することを特徴とする半導体装置の作製方法。 - 請求項1において、
前記酸化物半導体膜は、In、SnおよびZnを含むことを特徴とする半導体装置の作製方法。
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CN104934483B (zh) | 2009-09-24 | 2018-08-10 | 株式会社半导体能源研究所 | 半导体元件及其制造方法 |
KR101914026B1 (ko) * | 2009-09-24 | 2018-11-01 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 산화물 반도체막 및 반도체 장치 |
WO2011052367A1 (en) * | 2009-10-30 | 2011-05-05 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device |
KR102333270B1 (ko) | 2009-12-04 | 2021-12-02 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 반도체 장치 |
US9111795B2 (en) * | 2011-04-29 | 2015-08-18 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device with capacitor connected to memory element through oxide semiconductor film |
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US20120286260A1 (en) | 2012-11-15 |
US8946066B2 (en) | 2015-02-03 |
JP2024023689A (ja) | 2024-02-21 |
KR101999096B1 (ko) | 2019-07-11 |
US20150137121A1 (en) | 2015-05-21 |
JP7406609B2 (ja) | 2023-12-27 |
JP2021016001A (ja) | 2021-02-12 |
US9893195B2 (en) | 2018-02-13 |
KR20120127250A (ko) | 2012-11-21 |
JP7149998B2 (ja) | 2022-10-07 |
JP2016139819A (ja) | 2016-08-04 |
JP6795631B2 (ja) | 2020-12-02 |
JP2019054301A (ja) | 2019-04-04 |
JP2017157867A (ja) | 2017-09-07 |
JP2012253331A (ja) | 2012-12-20 |
JP2022173389A (ja) | 2022-11-18 |
JP6468690B2 (ja) | 2019-02-13 |
JP6161756B2 (ja) | 2017-07-12 |
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