JP5461788B2 - 半導体装置及びその作製方法 - Google Patents
半導体装置及びその作製方法 Download PDFInfo
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- JP5461788B2 JP5461788B2 JP2008149221A JP2008149221A JP5461788B2 JP 5461788 B2 JP5461788 B2 JP 5461788B2 JP 2008149221 A JP2008149221 A JP 2008149221A JP 2008149221 A JP2008149221 A JP 2008149221A JP 5461788 B2 JP5461788 B2 JP 5461788B2
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Classifications
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- 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
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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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- 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
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- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
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- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
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- 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
- H01L29/78696—Thin film transistors, i.e. transistors with a channel being at least partly a thin film characterised by the structure of the channel, e.g. multichannel, transverse or longitudinal shape, length or width, doping structure, or the overlap or alignment between the channel and the gate, the source or the drain, or the contacting structure of the channel
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- 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
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- H01L27/1259—Multistep manufacturing methods
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Description
本実施の形態では、ソース領域又はドレイン領域の膜厚がチャネル形成領域の膜厚よりも厚い半導体層を用いた半導体装置の構造及び作製方法について説明する。
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について図5〜6を用いて説明する。
本実施の形態では、チャネル形成領域に単結晶半導体層を用いた半導体装置の作製工程の一例について図7〜8を用いて説明する。
本実施の形態では、薄膜トランジスタ、記憶素子およびアンテナを含む本発明の半導体装置の作製方法について、図面を参照して説明する。
本実施の形態では、非接触でデータの入出力が可能である半導体装置のブロック図の一例について説明する。なお、非接触でデータの入出力が可能である半導体装置は利用の形態によっては、RFIDタグ、IDタグ、ICタグ、ICチップ、RFタグ、無線タグ、電子タグまたは無線チップともよばれる。
22c 不純物領域
22d 不純物領域
22e 不純物領域
30 基板
31 絶縁層
32 第1の半導体層
32a チャネル形成領域
32b 不純物領域
32c 不純物領域
32d 不純物領域
32e 不純物領域
33 ゲート絶縁層
34 導電層
121 不純物元素
125 不純物元素
203 絶縁層
203a 絶縁層
203b 絶縁層
204 導電層
205 薄膜トランジスタ
501 絶縁層
502 導電層
503 絶縁層
1101 単結晶シリコン基板
1102 酸化窒化珪素膜
1103 脆化層
1104 支持基板
1105 窒化酸化珪素膜
1106 酸化窒化珪素膜
1107 単結晶シリコン層
1108 単結晶シリコン層
1109 酸化窒化珪素膜
1111 単結晶シリコン層
2201 絶縁層
2202 第2の半導体層
2203 レジスト
2204 不純物元素
2205 半導体層
2206、2207 絶縁層
Claims (12)
- 絶縁表面上に第1の半導体層を形成し、
前記第1の半導体層上に第1の絶縁層を形成し、
前記第1の絶縁層上に導電層を形成し、
前記導電層の側面に第2の絶縁層を形成し、
少なくとも前記第1の半導体層の側面と、前記第2の絶縁層の側面とに接する第2の半導体層を形成し、
前記第2の半導体層上に部分的にレジストを形成し、
前記レジストは開口部を有し、
前記開口部は前記導電層上に自己整合的に形成され、
前記レジストをマスクとして、前記導電層上の前記第2の半導体層をエッチングし、
前記第1の半導体層及び前記第2の半導体層に加熱処理を行う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、
前記第2の半導体層をエッチングすることによって、前記導電層上に形成された前記第2の半導体層を除去することを特徴とする半導体装置の作製方法。 - 絶縁表面上に第1の半導体層を形成し、
前記第1の半導体層上に第1の絶縁層を形成し、
前記第1の絶縁層上に第1の導電層を形成し、
前記第1の導電層の側面に第2の絶縁層を形成し、
少なくとも前記第1の半導体層の側面と、前記第2の絶縁層の側面とに接する第2の半導体層を形成し、
前記第2の半導体層上に部分的にレジストを形成し、
前記レジストは開口部を有し、
前記開口部は前記第1の導電層上に自己整合的に形成され、
前記レジストをマスクとして、前記第1の導電層上の前記第2の半導体層をエッチングし、
前記第1の半導体層及び前記第2の半導体層に加熱処理を行って、凹凸形状を有する半導体層を形成し、
前記凹凸形状を有する半導体層上に第3の絶縁層を形成し、
前記第3の絶縁層に、前記凹凸形状を有する半導体層に達するコンタクトホールを形成し、
前記第3の絶縁層上に、前記コンタクトホールを介して前記凹凸形状を有する半導体層と電気的に接続する第2の導電層を形成することを特徴とする半導体装置の作製方法。 - 請求項3において、
前記第2の半導体層をエッチングすることによって、前記第1の導電層上に形成された前記第2の半導体層を除去することを特徴とする半導体装置の作製方法。 - 請求項1乃至請求項4のいずれか一項において、
前記第2の絶縁層を形成する前に、前記第1の半導体層に不純物元素を添加することを特徴とする半導体装置の作製方法。 - 絶縁表面上に第1の半導体層を形成し、
前記第1の半導体層上に第1の絶縁層を形成し、
前記第1の絶縁層上に導電層を形成し、
前記導電層上に第2の絶縁層を形成し、
前記導電層及び前記第2の絶縁層の側面に第3の絶縁層を形成し、
前記第1の半導体層、前記第2の絶縁層、及び前記第3の絶縁層上に第2の半導体層を形成し、
前記第2の半導体層上に部分的にレジストを形成し、
前記レジストは開口部を有し、
前記開口部は前記導電層上に自己整合的に形成され、
前記レジストをマスクとして、前記第2の絶縁層上の前記第2の半導体層をエッチングし、
前記第1の半導体層及び前記第2の半導体層に加熱処理を行うことを特徴とする半導体装置の作製方法。 - 絶縁表面上に第1の半導体層を形成し、
前記第1の半導体層上に第1の絶縁層を形成し、
前記第1の絶縁層上に第1の導電層を形成し、
前記第1の導電層上に第2の絶縁層を形成し、
前記第1の導電層及び前記第2の絶縁層の側面に第3の絶縁層を形成し、
前記第1の半導体層、前記第2の絶縁層、及び前記第3の絶縁層上に第2の半導体層を形成し、
前記第2の半導体層上に部分的にレジストを形成し、
前記レジストは開口部を有し、
前記開口部は前記第1の導電層上に自己整合的に形成され、
前記レジストをマスクとして、前記第2の絶縁層上の前記第2の半導体層をエッチングし、
前記第1の半導体層及び前記第2の半導体層に加熱処理を行って、凹凸形状を有する半導体層を形成し、
前記凹凸形状を有する半導体層上に第4の絶縁層を形成し、
前記第4の絶縁層に、前記凹凸形状を有する半導体層に達するコンタクトホールを形成し、
前記第4の絶縁層上に、前記コンタクトホールを介して前記凹凸形状を有する半導体層と電気的に接続する第2の導電層を形成することを特徴とする半導体装置の作製方法。 - 請求項6又は請求項7において、
前記第2の半導体層をエッチングすることによって、前記第2の絶縁層上に形成された前記第2の半導体層を除去することを特徴とする半導体装置の作製方法。 - 請求項6乃至請求項8のいずれか一項において、
前記第3の絶縁層を形成する前に、前記第1の半導体層に不純物元素を添加することを特徴とする半導体装置の作製方法。 - 請求項1乃至請求項9のいずれか一項において、
前記加熱処理を行う前に、前記第2の半導体層に不純物元素を添加することを特徴とする半導体装置の作製方法。 - 請求項1乃至請求項10のいずれか一項において、
前記加熱処理は、ファーネスアニール炉を用いる熱アニール法、レーザーアニール法、ランプアニール法、またはラピッドサーマルアニール法を用いて行うことを特徴とする半導体装置の作製方法。 - 絶縁表面上に島状の結晶性半導体層を形成し、
前記結晶性半導体層のチャネル形成領域上に、ゲート絶縁膜を介してゲート電極を形成し、
前記ゲート電極の側面に接する絶縁層を形成し、
前記結晶性半導体層の一部に不純物元素を導入して、ソース領域及びドレイン領域を形成し、
前記ソース領域の上面又は前記ドレイン領域の上面に、前記絶縁層の側面と接する半導体層を形成し、
前記半導体層に加熱処理を行って、前記ソース領域又は前記ドレイン領域の結晶状態を反映した成長によって前記半導体層が結晶化を行うことを特徴とする半導体装置の作製方法。
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DE10360000B4 (de) | 2003-12-19 | 2009-12-10 | Advanced Micro Devices, Inc., Sunnyvale | Abstandselement für eine Gateelektrode mit Zugspannung eines Transistorelements und ein Verfahren zur Herstellung |
TWI279852B (en) * | 2004-03-16 | 2007-04-21 | Imec Inter Uni Micro Electr | Method of manufacturing a semiconductor on a silicon on insulator (SOI) substrate using solid epitaxial regrowth (SPER) and semiconductor device made thereby |
TWI408734B (zh) | 2005-04-28 | 2013-09-11 | Semiconductor Energy Lab | 半導體裝置及其製造方法 |
JP5337380B2 (ja) | 2007-01-26 | 2013-11-06 | 株式会社半導体エネルギー研究所 | 半導体装置及びその作製方法 |
JP5486781B2 (ja) | 2007-07-19 | 2014-05-07 | 株式会社半導体エネルギー研究所 | 半導体装置の作製方法 |
KR101448903B1 (ko) | 2007-10-23 | 2014-10-13 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 반도체장치 및 그의 제작방법 |
JP5503895B2 (ja) | 2008-04-25 | 2014-05-28 | 株式会社半導体エネルギー研究所 | 半導体装置 |
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Publication number | Publication date |
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US7772054B2 (en) | 2010-08-10 |
US8969147B2 (en) | 2015-03-03 |
US20120034744A1 (en) | 2012-02-09 |
JP5726341B2 (ja) | 2015-05-27 |
KR20080110519A (ko) | 2008-12-18 |
JP2014099640A (ja) | 2014-05-29 |
US8048729B2 (en) | 2011-11-01 |
US20100279477A1 (en) | 2010-11-04 |
JP2009021568A (ja) | 2009-01-29 |
KR101476624B1 (ko) | 2014-12-26 |
US20080311709A1 (en) | 2008-12-18 |
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