JP2015195360A - 半導体装置およびその作製方法 - Google Patents
半導体装置およびその作製方法 Download PDFInfo
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- JP2015195360A JP2015195360A JP2015047894A JP2015047894A JP2015195360A JP 2015195360 A JP2015195360 A JP 2015195360A JP 2015047894 A JP2015047894 A JP 2015047894A JP 2015047894 A JP2015047894 A JP 2015047894A JP 2015195360 A JP2015195360 A JP 2015195360A
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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
-
- 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
- H01L27/1218—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 or structure of the substrate
-
- 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
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Abstract
【解決手段】半導体を設ける第1の工程と、半導体に第1の加工を行い、島状半導体を設ける第2の工程と、当該島状半導体上に第1の導電体を設ける第3の工程と、当該導電体に第2の加工を行い、第1の形状の導電体を設ける第4の工程と、当該第1の形状の導電体上に第1の絶縁体を設ける第5の工程と、当該第1の絶縁体に開口又は溝を設ける第6の工程と、当該開口又は溝において、第1の形状の導電体に第3の加工を行うことにより、第1の電極と第2の電極を形成し、且つ、当該島状半導体を露出する第7の工程と、当該第1の絶縁体、当該開口の内壁又は溝の内壁、及び、露出された島状半導体の上に第2の絶縁体を設ける第8の工程と、当該第2の絶縁体上に第2の導電体を設ける第9の工程と、当該第2の導電体に第4の加工を行い、第3の電極を設ける第10の工程と、を有する半導体装置。
【選択図】図5
Description
以下では、本発明の一態様の半導体装置の作製方法の一例について、図1乃至図5を用いて説明する。なお、図中a1−a2はFET部、b1−b2は容量素子、c1−c2はコンタクト部の断面である。
以下では、本発明の一態様の半導体装置の作製方法の一例について、図6乃至図9を用いて説明する。なお、図中a1−a2はFET部、b1−b2は容量素子、c1−c2はコンタクト部の断面である。
以下では、本発明の一態様の半導体装置の作製方法の一例について、図10乃至図13を用いて説明する。なお、図中a1−a2はFET部、b1−b2は容量素子、c1−c2はコンタクト部の断面である。
以下では、本発明の一態様の半導体装置の作製方法の一例について、図14乃至図17を用いて説明する。なお、図中a1−a2はFET部、b1−b2は容量素子、c1−c2はコンタクト部の断面である。
以下では、本発明の一態様の半導体装置の作製方法の一例について、図18乃至図21を用いて説明する。なお、図中a1−a2はFET部、b1−b2は容量素子、c1−c2はコンタクト部の断面である。
以下では、本発明の一態様の半導体装置の作成方法の一例について、図22乃至図25を用いて説明する。なお、図中a1−a2はFET部、b1−b2は容量素子、c1−c2はコンタクト部の断面である。
本実施の形態では、本発明の一態様の半導体装置の半導体に好適に用いることのできる絶縁体、半導体、導電体及びそれらの形成方法、加工方法について説明する。
本実施の形態では、本発明の一態様の半導体装置の半導体に好適に用いることのできる酸化物半導体について説明する。
本実施の形態では、本発明の一態様の半導体装置の半導体に好適に用いることのできる酸化物半導体について説明する。
図30(A)は、本発明の一態様の半導体装置の回路図の一例である。図30(A)に示す半導体装置は、トランジスタ3002と、トランジスタ3001と、容量3003と、配線BLと、配線WLと、配線CLと、配線BGとを有する。
本実施の形態では、少なくとも実施の形態で説明したトランジスタを用いることができ、先の実施の形態で説明した記憶装置を含むCPUについて説明する。
本実施の形態では、本発明の一態様の表示パネルの構成例について説明する。
本発明の一態様に係る半導体装置は、表示機器、パーソナルコンピュータ、記録媒体を備えた画像再生装置(代表的にはDVD:Digital Versatile Disc等の記録媒体を再生し、その画像を表示しうるディスプレイを有する装置)に用いることができる。その他に、本発明の一態様に係る半導体装置を用いることができる電子機器として、携帯電話、携帯型を含むゲーム機、携帯データ端末、電子書籍端末、ビデオカメラ、デジタルスチルカメラ等のカメラ、ゴーグル型ディスプレイ(ヘッドマウントディスプレイ)、ナビゲーションシステム、音響再生装置(カーオーディオ、デジタルオーディオプレイヤー等)、複写機、ファクシミリ、プリンタ、プリンタ複合機、現金自動預け入れ払い機(ATM)、自動販売機などが挙げられる。これら電子機器の具体例を図34に示す。
12 光学系
14 試料室
16 光学系
18 カメラ
20 観察室
22 フィルム室
24 電子
28 物質
32 蛍光板
101 絶縁体
102 半導体
103 島状半導体
104 導電体
201 導電パターン
202 導電パターン
203 導電パターン
204 絶縁体
301 電極
302 電極
303 電極
304 絶縁体
310 開口又は溝
311 開口又は溝
401 導電体
410 開口又は溝
501 導電パターン
502 導電パターン
503 導電パターン
601 導電パターン
602 導電パターン
604 絶縁体
701 電極
702 電極
703 電極
704 絶縁体
710 開口又は溝
711 開口又は溝
801 導電体
810 開口又は溝
901 導電パターン
902 導電パターン
903 導電パターン
1001 絶縁体
1002 半導体
1003 島状半導体
1004 導電体
1101 絶縁体
1102 電極
1103 電極
1104 電極
1105 導電パターン
1201 絶縁体
1202 開口又は溝
1301 導電体
1302 導電パターン
1303 導電パターン
1304 導電パターン
1401 絶縁体
1402 半導体
1403 導電体
1404 半導体
1405 導電パターン
1406 導電パターン
1407 導電パターン
1501 絶縁体
1502 電極
1503 電極
1504 電極
1510 開口又は溝
1511 開口又は溝
1601 絶縁体
1610 開口又は溝
1701 導電体
1702 導電パターン
1703 導電パターン
1704 導電パターン
1801 導電パターン
1802 導電パターン
1804 半導体
1805 絶縁体
1901 電極
1902 電極
1903 電極
1904 絶縁体
1910 開口又は溝
1911 開口又は溝
2001 導電体
2010 開口又は溝
2101 導電パターン
2102 導電パターン
2103 導電パターン
2201 絶縁体
2202 半導体
2203 導電体
2204 絶縁体
2205 半導体
2206 導電パターン
2207 導電パターン
2208 導電パターン
2301 電極
2302 電極
2303 絶縁体
2401 導電体
2410 開口又は溝
2501 導電パターン
2502 導電パターン
2503 導電パターン
2901 半導体
2902 半導体
2903 半導体
2904 絶縁体
2905 絶縁体
2906 導電体
3001 トランジスタ
3002 トランジスタ
3003 容量
3004 絶縁体
3005 半導体基板
3006 ゲート絶縁膜
3007 ゲート電極
3008a 低抵抗領域
3008b 低抵抗領域
3009 絶縁体
3010 絶縁体
3011 絶縁体
3012 絶縁体
3013 プラグ
3014 プラグ
3015 プラグ
3189 ROMインターフェース
3190 基板
3191 ALU
3192 ALUコントローラ
3193 インストラクションデコーダ
3194 インタラプトコントローラ
3195 タイミングコントローラ
3196 レジスタ
3197 レジスタコントローラ
3198 バスインターフェース
3199 ROM
3200 記憶素子
3201 回路
3202 回路
3203 スイッチ
3204 スイッチ
3206 論理素子
3207 容量素子
3208 容量素子
3209 トランジスタ
3210 トランジスタ
3213 トランジスタ
3214 トランジスタ
3220 回路
3300 基板
3301 画素部
3302 走査線駆動回路
3303 走査線駆動回路
3304 信号線駆動回路
3310 容量配線
3312 ゲート配線
3313 ゲート配線
3314 ドレイン電極層
3316 トランジスタ
3317 トランジスタ
3318 液晶素子
3319 液晶素子
3320 画素
3321 スイッチング用トランジスタ
3322 駆動用トランジスタ
3323 容量素子
3324 発光素子
3325 信号線
3326 走査線
3327 電源線
3328 共通電極
5016 トランジスタ
5017 トランジスタ
9001 筐体
9002 筐体
9003 表示部
9004 表示部
9005 マイクロフォン
9006 スピーカー
9007 操作キー
9008 スタイラス
9011 筐体
9012 筐体
9013 表示部
9014 表示部
9015 接続部
9016 操作キー
9021 筐体
9022 表示部
9023 キーボード
9024 ポインティングデバイス
9031 筐体
9032 冷蔵室用扉
9033 冷凍室用扉
9041 筐体
9042 筐体
9043 表示部
9044 操作キー
9045 レンズ
9046 接続部
9051 車体
9052 車輪
9053 ダッシュボード
9054 ライト
Claims (8)
- 島状半導体と、第1の電極及び第2の電極と、第1の絶縁体と、第2の絶縁体と、第3の電極と、を有し、
前記第1の電極および前記第2の電極は、前記島状半導体に接し、
前記第1の絶縁体は、前記島状半導体と、前記第1の電極と、前記第2の電極と、の上に設けられ、
前記第1の絶縁体は、前記島状半導体上に開口又は溝を有し、
前記第2の絶縁体は、前記第1の絶縁体上、前記開口の内壁又は溝の内壁、および前記島状半導体表面に設けられており、
前記開口又は溝に設けられた前記第3の電極、を有する半導体装置。 - 半導体を設ける第1の工程と、
前記半導体に第1の加工を行い、島状半導体を設ける第2の工程と、
前記島状半導体上に第1の導電体を設ける第3の工程と、
前記第1の導電体に第2の加工を行い、第1の形状の導電体を設ける第4の工程と、
前記第1の形状の導電体上に第1の絶縁体を設ける第5の工程と、
前記第1の絶縁体に開口又は溝を設ける第6の工程と、
前記開口又は溝において、前記第1の形状の導電体に前記第3の加工を行うことにより、第1の電極と第2の電極を形成し、且つ、前記島状半導体を露出する第7の工程と、
前記第1の絶縁体、前記開口の内壁又は溝の内壁、及び、前記露出された島状半導体の上に第2の絶縁体を設ける第8の工程と、
前記第2の絶縁体上に第2の導電体を設ける第9の工程と、
前記第2の導電体に第4の加工を行い、第3の電極を設ける第10の工程と、を有する半導体装置の作製方法。 - 半導体を設ける第1の工程と、
前記半導体に第1の加工を行い、島状半導体を設ける第2の工程と、
前記島状半導体上に第1の導電体を設ける第3の工程と、
前記第1の導電体上に第1の絶縁体を設ける第4の工程と、
前記第1の絶縁体に第2の加工を行い所望の形状とし、前記第1の導電体に第3の加工を行うことにより、第1の電極と第2の電極を形成し、且つ、前記島状半導体を露出する第5の工程と、
前記第1の絶縁体、前記開口の内壁又は溝の内壁、及び、前記露出された島状半導体の上に第2の絶縁体を設ける第6の工程と、
前記第2の絶縁体上に第2の導電体を設ける第7の工程と、
前記第2の導電体に第3の加工を行い、第3の電極を設ける第8の工程と、を有する半導体装置の作製方法。 - 半導体を設ける第1の工程と、
前記半導体上に、前記半導体に接して第1の導電体を設ける第2の工程と、
前記半導体と前記第1の導電体とを第1の加工により、第1の形状にする第3の工程と、
前記第1の形状の半導体と導電体との上に第1の絶縁体を設ける第4の工程と、
前記第1の絶縁体に開口又は溝を設ける第5の工程と、
前記開口又は溝において、前記第1の形状の導電体に第2の加工を行うことにより、第1の電極と第2の電極を形成し、且つ、前記第1の形状の半導体を露出する第6の工程と、
前記第1の絶縁体、前記開口の内壁又は溝の内壁、及び、前記第1の形状の半導体の上に第2の絶縁体を設ける第7の工程と、
前記第2の絶縁体上に第2の導電体を設ける第8の工程と、
前記第2の導電体に第3の加工を行い、第3の電極を設ける第9の工程と、を有する半導体装置の作製方法。 - 半導体を設ける第1の工程と、
前記半導体上に、前記半導体に接して第1の導電体を設ける第2の工程と、
前記第1の導電体の上に第1の絶縁体を設ける第3の工程と、
前記第1の絶縁体に第1の加工を行い所望の形状にする第4の工程と、
前記第1の導電体に第2の加工することにより、第1の電極と第2の電極を形成し、且つ、前記半導体を露出する第5の工程と、
前記第1の絶縁体、前記開口の内壁又は溝の内壁、及び、前記露出された島状半導体の上に第2の絶縁体を設ける第6の工程と、
前記第2の絶縁体上に第2の導電体を設ける第7の工程と、
前記第2の導電体に第3の加工を行い、第3の電極を設ける第8の工程と、を有する半導体装置の作製方法。 - 請求項2乃至5のいずれか一項において、前記第1の絶縁体は平坦性を有する絶縁体であることを特徴とする半導体装置の作製方法。
- 請求項2乃至5のいずれか一項において、前記第1の絶縁体は低比誘電率物質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2又は4において、前記第2の導電体の加工に際し、CMP処理を用いることを特徴とする半導体装置の作製方法。
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US20150270402A1 (en) | 2015-09-24 |
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JP6532710B2 (ja) | 2019-06-19 |
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US9871143B2 (en) | 2018-01-16 |
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JP2020184645A (ja) | 2020-11-12 |
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WO2015140656A1 (en) | 2015-09-24 |
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