JP5506172B2 - 半導体基板の作製方法 - Google Patents
半導体基板の作製方法 Download PDFInfo
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- JP5506172B2 JP5506172B2 JP2008237942A JP2008237942A JP5506172B2 JP 5506172 B2 JP5506172 B2 JP 5506172B2 JP 2008237942 A JP2008237942 A JP 2008237942A JP 2008237942 A JP2008237942 A JP 2008237942A JP 5506172 B2 JP5506172 B2 JP 5506172B2
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- single crystal
- film
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- substrate
- crystal semiconductor
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Images
Classifications
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- 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
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- 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
- H01L21/20—Deposition of semiconductor materials on a substrate, e.g. epitaxial growth solid phase epitaxy
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- H—ELECTRICITY
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- 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
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/76—Making of isolation regions between components
- H01L21/762—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
- H01L21/7624—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using semiconductor on insulator [SOI] technology
- H01L21/76251—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using semiconductor on insulator [SOI] technology using bonding techniques
- H01L21/76254—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using semiconductor on insulator [SOI] technology using bonding techniques with separation/delamination along an ion implanted layer, e.g. Smart-cut, Unibond
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- 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
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/423—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions not carrying the current to be rectified, amplified or switched
- H01L29/42312—Gate electrodes for field effect devices
- H01L29/42316—Gate electrodes for field effect devices for field-effect transistors
- H01L29/4232—Gate electrodes for field effect devices for field-effect transistors with insulated gate
- H01L29/42384—Gate electrodes for field effect devices for field-effect transistors with insulated gate for thin film field effect transistors, e.g. characterised by the thickness or the shape of the insulator or the dimensions, the shape or the lay-out of the conductor
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- 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
- H01L29/78606—Thin film transistors, i.e. transistors with a channel being at least partly a thin film with supplementary region or layer in the thin film or in the insulated bulk substrate supporting it for controlling or increasing the safety of the device
- H01L29/78618—Thin film transistors, i.e. transistors with a channel being at least partly a thin film with supplementary region or layer in the thin film or in the insulated bulk substrate supporting it for controlling or increasing the safety of the device characterised by the drain or the source properties, e.g. the doping structure, the composition, the sectional shape or the contact structure
- H01L29/78621—Thin film transistors, i.e. transistors with a channel being at least partly a thin film with supplementary region or layer in the thin film or in the insulated bulk substrate supporting it for controlling or increasing the safety of the device characterised by the drain or the source properties, e.g. the doping structure, the composition, the sectional shape or the contact structure with LDD structure or an extension or an offset region or characterised by the doping profile
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- 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
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- 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
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66742—Thin film unipolar transistors
- H01L29/66772—Monocristalline silicon transistors on insulating substrates, e.g. quartz substrates
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Thin Film Transistor (AREA)
- Liquid Crystal (AREA)
- Electroluminescent Light Sources (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
Description
本実施の形態では、複数の単結晶半導体層を基板上に有する半導体基板およびその作製方法について説明する。
本実施の形態では、単結晶半導体基板の再生処理について説明する。具体的には、図11を用いて、図8(B)に示す単結晶半導体基板117を再生処理する場合について説明する。
本実施の形態では、半導体基板100を用いた半導体装置の作製方法の一例として、薄膜トランジスタを作製する方法を説明する。複数の薄膜トランジスタを組み合わせることで、各種の半導体装置が形成される。本実施の形態では、実施の形態1の作製方法で作製した半導体基板100を用いることにする。
本実施の形態では、本発明の半導体装置の製造方法の一例について、図15乃至18を参照して説明する。なお、本実施の形態においては、半導体装置の一例として液晶表示装置を挙げて説明するが、本発明の半導体装置は液晶表示装置に限られるものではない。
本実施の形態では、本発明に係る発光素子を有する半導体装置(エレクトロルミネッセンス表示装置)について説明する。なお、周辺回路領域や画素領域等に用いられるトランジスタの作製方法は、実施の形態4を参照することができるため、詳細については省略する。
本実施の形態では、本発明に係る半導体装置の別の例について、図20及び21を参照して説明する。なお、本実施の形態においては、マイクロプロセッサ及び電子タグ(無線タグとも呼ぶ)を例に挙げて説明するが、本発明の半導体装置はこれらに限られるものではない。
本実施の形態では、本発明の半導体装置、特に表示装置を用いた電子機器について、図22を参照して説明する。
本実施の形態では、本発明の半導体装置、特に無線タグの用途について、図23を参照して説明する。
11 凹部
100 半導体基板
101 ベース基板
102 絶縁層
104 接合層
110 単結晶半導体基板
112 絶縁層
113 損傷領域
114 接合層
115 半導体層
116 単結晶半導体層
117 単結晶半導体基板
118 凹部
119 単結晶半導体基板
121 イオンビーム
122 レーザービーム
603 半導体膜
604 半導体膜
606 ゲート絶縁膜
607 電極
608 不純物領域
609 不純物領域
610 サイドウォール
611 高濃度不純物領域
612 低濃度不純物領域
613 チャネル形成領域
614 高濃度不純物領域
615 低濃度不純物領域
616 チャネル形成領域
617 nチャネル型トランジスタ
618 pチャネル型トランジスタ
619 絶縁膜
620 絶縁膜
621 導電膜
622 導電膜
112a 絶縁膜
112b 絶縁膜
117a 凸部
117b 分離面
1500 基板
1504 絶縁層
1506 単結晶半導体層
1508 ゲート絶縁層
1510 単結晶半導体層
1512 単結晶半導体層
1514 単結晶半導体層
1538 チャネル形成領域
1552 チャネル形成領域
1554 絶縁膜
1556 絶縁膜
1564 pチャネル型薄膜トランジスタ
1566 nチャネル型薄膜トランジスタ
1568 nチャネル型薄膜トランジスタ
1570 容量配線
1572 絶縁膜
1574 画素電極層
1576 外部端子接続領域
1578 封止領域
1580 周辺駆動回路領域
1582 画素領域
1800 対向基板
1802 絶縁層
1804 液晶層
1806 絶縁層
1808 導電層
1810 着色層
1812 偏光子
1814 シール材
1816 スペーサ
1818 偏光子
1820 端子電極層
1822 異方性導電体層
1824 FPC
1900 素子基板
1930 外部端子接続領域
1932 封止領域
1934 駆動回路領域
1936 画素領域
1950 薄膜トランジスタ
1952 薄膜トランジスタ
1954 薄膜トランジスタ
1956 薄膜トランジスタ
1960 発光素子
1962 電極層
1964 発光層
1966 電極層
1968 絶縁層
1970 充填材
1972 シール材
1974 配線層
1976 端子電極層
1978 異方性導電層
1980 FPC
1990 封止基板
2000 マイクロプロセッサ
2001 演算回路
2002 演算回路制御部
2003 命令解析部
2004 制御部
2005 タイミング制御部
2006 レジスタ
2007 レジスタ制御部
2008 バスインターフェース
2009 ROM
2010 ROMインターフェース
2100 無線タグ
2101 アナログ回路部
2102 デジタル回路部
2103 共振回路
2104 整流回路
2105 定電圧回路
2106 リセット回路
2107 発振回路
2108 復調回路
2109 変調回路
2110 RFインターフェース
2111 制御レジスタ
2112 クロックコントローラ
2113 CPUインターフェース
2114 CPU
2115 RAM
2116 ROM
2117 アンテナ
2118 容量部
2119 電源管理回路
2201 筺体
2202 支持台
2203 表示部
2204 スピーカー部
2205 ビデオ入力端子
2211 本体
2212 表示部
2213 受像部
2214 操作キー
2215 外部接続ポート
2216 シャッターボタン
2221 本体
2222 筐体
2223 表示部
2224 キーボード
2225 外部接続ポート
2226 ポインティングデバイス
2231 本体
2232 表示部
2233 スイッチ
2234 操作キー
2235 赤外線ポート
2241 本体
2242 筐体
2243 表示部
2244 表示部
2245 記録媒体読み込み部
2246 操作キー
2247 スピーカー部
2251 本体
2252 表示部
2253 操作キー
2261 本体
2262 表示部
2263 筐体
2264 外部接続ポート
2265 リモコン受信部
2266 受像部
2267 バッテリー
2268 音声入力部
2269 操作キー
2271 本体
2272 筐体
2273 表示部
2274 音声入力部
2275 音声出力部
2276 操作キー
2277 外部接続ポート
2278 アンテナ
1516a マスク
1516b マスク
1516c マスク
1516d マスク
1516e マスク
1518a ゲート電極層
1518b ゲート電極層
1518c ゲート電極層
1518d ゲート電極層
1518e 導電層
1520a 導電層
1520b 導電層
1520c 導電層
1520d 導電層
1520e 導電層
1522a ゲート電極層
1522b ゲート電極層
1522c ゲート電極層
1522d ゲート電極層
1522e 導電層
1524a ゲート電極層
1524b ゲート電極層
1524c ゲート電極層
1524d ゲート電極層
1524e 導電層
1526a n型不純物領域
1526b n型不純物領域
1528a n型不純物領域
1528b n型不純物領域
1530a n型不純物領域
1530b n型不純物領域
1530c n型不純物領域
1532a マスク
1532b マスク
1532c マスク
1534a n型不純物領域
1534b n型不純物領域
1536a n型不純物領域
1536b n型不純物領域
1540a n型不純物領域
1540b n型不純物領域
1540c n型不純物領域
1542a n型不純物領域
1542b n型不純物領域
1542c n型不純物領域
1542d n型不純物領域
1544a チャネル形成領域
1544b チャネル形成領域
1546a マスク
1546b マスク
1548a p型不純物領域
1548b p型不純物領域
1550a p型不純物領域
1550b p型不純物領域
1558a ドレイン電極層
1558b ドレイン電極層
1560a ドレイン電極層
1560b ドレイン電極層
1562a ドレイン電極層
1562b ドレイン電極層
Claims (4)
- 複数の単結晶半導体基板を第1のトレイに配置し、
前記複数の単結晶半導体基板の一表面上に絶縁層を形成し、
前記複数の単結晶半導体基板の前記一表面側からイオンを照射して、前記複数の単結晶半導体基板中に損傷領域を形成し、
前記絶縁層上に接合層を形成し、
前記複数の単結晶半導体基板の接合層と、絶縁表面を有する基板とを接触させることにより、前記複数の単結晶半導体基板と前記絶縁表面を有する基板とを貼り合わせ、
加熱処理を施すことにより、前記損傷領域において前記複数の単結晶半導体基板を分離させて、前記絶縁表面を有する基板上に複数の単結晶半導体層を形成し、
前記複数の単結晶半導体層に対して、エッチング処理又はエッチバック処理を施すことにより、前記複数の単結晶半導体層の表面に存在する前記損傷領域を除去すると共に、前記複数の単結晶半導体層の一と、隣接する他の一との間隙における前記絶縁表面を有する基板の表面の一部を除去して、前記絶縁表面を有する基板に凹部を形成し、
前記絶縁層は、窒化珪素膜又は窒化酸化珪素膜と、酸化窒化珪素膜の二層構造であり、前記酸化窒化珪素膜を、前記単結晶半導体層に接するように形成することを特徴とする半導体基板の作製方法。 - 請求項1において、
前記接合層として、プラズマ励起CVD法を用いて酸化珪素膜を形成することを特徴とする半導体基板の作製方法。 - 請求項1又は2において、
前記複数の単結晶半導体層の一と、隣接する他の一との間隔を、0.5mm以下とすることを特徴とする半導体基板の作製方法。 - 請求項1乃至3のいずれか一において、
前記複数の単結晶基板と前記絶縁表面を有する基板とを貼り合わせる前に、前記複数の半導体基板を前記第1のトレイからはずして、前記複数の半導体基板を洗浄し、
前記複数の半導体基板の洗浄後、前記複数の半導体基板を第2のトレイに配置することを特徴とする半導体装置の作製方法。
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US7851332B2 (en) | 2010-12-14 |
US20090096054A1 (en) | 2009-04-16 |
KR101537925B1 (ko) | 2015-07-20 |
JP2009111354A (ja) | 2009-05-21 |
KR20090037352A (ko) | 2009-04-15 |
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