JP4420032B2 - 薄膜半導体装置の製造方法 - Google Patents
薄膜半導体装置の製造方法 Download PDFInfo
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- 239000010409 thin film Substances 0.000 title claims description 135
- 239000004065 semiconductor Substances 0.000 title claims description 104
- 238000004519 manufacturing process Methods 0.000 title claims description 40
- 238000000034 method Methods 0.000 title claims description 39
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 20
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- H—ELECTRICITY
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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
- 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
- H01L27/1259—Multistep manufacturing methods
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- 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
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/49—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET
- H01L29/4908—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET for thin film semiconductor, e.g. gate of TFT
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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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02123—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon
- H01L21/02126—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material containing Si, O, and at least one of H, N, C, F, or other non-metal elements, e.g. SiOC, SiOC:H or SiONC
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- 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
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
- H01L21/02227—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process
- H01L21/02249—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process formation by combined oxidation and nitridation performed simultaneously
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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
- H01L21/02—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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- 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
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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
- H01L29/78645—Thin film transistors, i.e. transistors with a channel being at least partly a thin film with multiple gate
- H01L29/78648—Thin film transistors, i.e. transistors with a channel being at least partly a thin film with multiple gate arranged on opposing sides of the channel
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- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Thin Film Transistor (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
Description
図1-a〜図1-cは、本発明を適用した薄膜半導体装置の製造方法の第1実施形態を示す断面工程図である。ここでは、CMOS構成のプレーナ型ボトムゲートTFTを備えた表示装置用の駆動パネルの作製に本発明を適用した実施の形態を説明する。
図3-a,図3-bは、本発明を適用した薄膜半導体装置の製造方法の第2実施形態を示す断面工程図である。ここでは、nチャンネルのみの単チャネル構成のチャネルストップ型ボトムゲートTFTを備えた表示装置用の駆動パネルの作製に本発明を適用した実施の形態を説明する。
活性化されたn型不純物を含有するシリコンからなるn型半導体薄膜23を成膜する。ここでは、膜厚が10〜500nmのn型半導体薄膜23を成膜することとする。この際、シランガス(SiH4)とドーパントガスにホスフィンガス(PH3)を用いることでn型半導体薄膜23を形成する。尚、ドーパントガスをジボラン(B2H6)にすると、活性化されたp型不純物を含有するp型半導体薄膜が得られる。
図4-a,図4-bは、本発明を適用した薄膜半導体装置の製造方法の第3実施形態を示す断面工程図である。ここでは、CMOS型のデュアルゲートTFTを備えた表示装置用の駆動パネルの作製に本発明を適用した実施の形態を説明する。
Claims (7)
- 基板上にゲート電極を形成する第1工程と、
前記ゲート電極を覆う状態で前記基板上に酸窒化シリコン膜からなるゲート絶縁膜を形成する第2工程と、
前記ゲート絶縁膜上に半導体薄膜を成膜する第3工程と、
加圧された水蒸気雰囲気での熱処理により前記ゲート絶縁膜を構成する前記酸窒化シリコン膜における酸素欠損部に酸素を結合させることで改質する第4工程とを行う
ことを特徴とする薄膜半導体装置の製造方法。 - 請求項1記載の薄膜半導体装置の製造方法において、
前記第4工程の後、前記半導体薄膜上の前記ゲート電極を挟む位置に当該半導体薄膜に接する状態で、不純物を含有する半導体薄膜をパターニングしてなるソース・ドレインを形成する
ことと特徴とする薄膜半導体装置の製造方法。 - 請求項1記載の薄膜半導体装置の製造方法において、
前記第4工程の後、前記半導体薄膜上に上層ゲート絶縁膜を形成し、当該上層ゲート絶縁膜を介した前記ゲート電極上に重ねて上層ゲート電極を形成する
ことを特徴とする薄膜半導体装置の製造方法。 - 請求項1記載の薄膜半導体装置の製造方法において、
前記第4工程では、前記熱処理によって前記第3工程で成膜された前記半導体薄膜の表面層に熱酸化膜を成長させる
ことを特徴とする薄膜半導体装置の製造方法。 - 請求項4記載の薄膜半導体装置の製造方法において、
前記第4工程の後、前記熱酸化膜を保護膜として前記半導体薄膜をパターニングする
ことを特徴とする薄膜半導体装置の製造方法。 - 請求項4記載の薄膜半導体装置の製造方法において、
前記第4工程の後、前記ゲート電極上に重なる形状に前記熱酸化膜をパターニングし、次に前記半導体薄膜上における前記ゲート電極を挟む位置に当該半導体薄膜に接する状態で不純物を含有する半導体薄膜をパターニングしてなるソース・ドレインを形成する
ことと特徴とする薄膜半導体装置の製造方法。 - 請求項4記載の薄膜半導体装置の製造方法において、
前記第4工程の後、前記熱酸化膜を上層ゲート絶縁膜とし、この上部に前記ゲート電極に重ねて上層ゲート電極を形成する
ことを特徴とする薄膜半導体装置の製造方法。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
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JP2007020614A JP4420032B2 (ja) | 2007-01-31 | 2007-01-31 | 薄膜半導体装置の製造方法 |
US12/007,302 US7550328B2 (en) | 2007-01-31 | 2008-01-09 | Method for production of thin-film semiconductor device |
TW097101690A TWI399814B (zh) | 2007-01-31 | 2008-01-16 | Method for manufacturing thin film semiconductor device |
KR1020080004689A KR101451103B1 (ko) | 2007-01-31 | 2008-01-16 | 박막 반도체장치의 제조방법 |
CN200810000259A CN100594586C (zh) | 2007-01-31 | 2008-01-30 | 薄膜半导体装置的制造方法 |
US12/385,103 US7700418B2 (en) | 2007-01-31 | 2009-03-31 | Method for production of thin-film semiconductor device |
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JP2007020614A JP4420032B2 (ja) | 2007-01-31 | 2007-01-31 | 薄膜半導体装置の製造方法 |
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JP4420032B2 true JP4420032B2 (ja) | 2010-02-24 |
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US (2) | US7550328B2 (ja) |
JP (1) | JP4420032B2 (ja) |
KR (1) | KR101451103B1 (ja) |
CN (1) | CN100594586C (ja) |
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KR101219038B1 (ko) * | 2004-10-26 | 2013-01-07 | 삼성디스플레이 주식회사 | 박막 트랜지스터 표시판 및 그 제조 방법 |
US9176353B2 (en) * | 2007-06-29 | 2015-11-03 | Semiconductor Energy Laboratory Co., Ltd. | Liquid crystal display device |
US8921858B2 (en) * | 2007-06-29 | 2014-12-30 | Semiconductor Energy Laboratory Co., Ltd. | Light-emitting device |
JP2009049384A (ja) | 2007-07-20 | 2009-03-05 | Semiconductor Energy Lab Co Ltd | 発光装置 |
US8330887B2 (en) * | 2007-07-27 | 2012-12-11 | Semiconductor Energy Laboratory Co., Ltd. | Liquid crystal display device and electronic device |
US8101444B2 (en) * | 2007-08-17 | 2012-01-24 | Semiconductor Energy Laboratory Co., Ltd. | Method for manufacturing semiconductor device |
EP2172977A1 (en) * | 2008-10-03 | 2010-04-07 | Semiconductor Energy Laboratory Co., Ltd. | Display device |
JP5595003B2 (ja) * | 2008-10-23 | 2014-09-24 | 株式会社半導体エネルギー研究所 | 表示装置 |
KR102437444B1 (ko) | 2008-11-21 | 2022-08-30 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 표시 장치 |
KR101643204B1 (ko) * | 2008-12-01 | 2016-07-27 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 반도체 장치 및 그 제작 방법 |
EP2202802B1 (en) | 2008-12-24 | 2012-09-26 | Semiconductor Energy Laboratory Co., Ltd. | Driver circuit and semiconductor device |
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JPH08293607A (ja) | 1995-04-21 | 1996-11-05 | Citizen Watch Co Ltd | 半導体集積回路装置およびその製造方法 |
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TWI249251B (en) * | 2004-11-22 | 2006-02-11 | Au Optronics Corp | Fabrication method of thin film transistor |
US7411298B2 (en) * | 2005-08-17 | 2008-08-12 | Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | Source/drain electrodes, thin-film transistor substrates, manufacture methods thereof, and display devices |
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KR101451103B1 (ko) | 2014-10-15 |
CN101236900A (zh) | 2008-08-06 |
CN100594586C (zh) | 2010-03-17 |
KR20080071898A (ko) | 2008-08-05 |
JP2008187077A (ja) | 2008-08-14 |
US20090191672A1 (en) | 2009-07-30 |
TWI399814B (zh) | 2013-06-21 |
TW200847297A (en) | 2008-12-01 |
US7550328B2 (en) | 2009-06-23 |
US20080182368A1 (en) | 2008-07-31 |
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