CN114175271A - 薄膜晶体管、半导体基板和x射线平板探测器 - Google Patents

薄膜晶体管、半导体基板和x射线平板探测器 Download PDF

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CN114175271A
CN114175271A CN202180001030.2A CN202180001030A CN114175271A CN 114175271 A CN114175271 A CN 114175271A CN 202180001030 A CN202180001030 A CN 202180001030A CN 114175271 A CN114175271 A CN 114175271A
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channel
layer
rare earth
earth metal
thin film
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黄杰
李正亮
宁策
胡合合
姚念琦
赵坤
刘凤娟
周天民
雷利平
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BOE Technology Group Co Ltd
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BOE Technology Group Co Ltd
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    • 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
    • H01L29/78696—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
    • 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
    • H01L27/1225—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 with semiconductor materials not belonging to the group IV of the periodic table, e.g. InGaZnO
    • 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
    • H01L27/1259—Multistep manufacturing methods
    • H01L27/127—Multistep manufacturing methods with a particular formation, treatment or patterning of the active layer specially adapted to the circuit arrangement
    • H—ELECTRICITY
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    • 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
    • H01L27/1259—Multistep manufacturing methods
    • H01L27/127—Multistep manufacturing methods with a particular formation, treatment or patterning of the active layer specially adapted to the circuit arrangement
    • H01L27/1274—Multistep manufacturing methods with a particular formation, treatment or patterning of the active layer specially adapted to the circuit arrangement using crystallisation of amorphous semiconductor or recrystallisation of crystalline semiconductor
    • H01L27/1285—Multistep manufacturing methods with a particular formation, treatment or patterning of the active layer specially adapted to the circuit arrangement using crystallisation of amorphous semiconductor or recrystallisation of crystalline semiconductor using control of the annealing or irradiation parameters, e.g. using different scanning direction or intensity for different transistors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
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    • H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
    • H01L29/06—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions
    • H01L29/10—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions with semiconductor regions connected to an electrode not carrying current to be rectified, amplified or switched and such electrode being part of a semiconductor device which comprises three or more electrodes
    • H01L29/1025—Channel region of field-effect devices
    • H01L29/1029—Channel region of field-effect devices of field-effect transistors
    • H01L29/1033—Channel region of field-effect devices of field-effect transistors with insulated gate, e.g. characterised by the length, the width, the geometric contour or the doping structure
    • H01L29/1054—Channel region of field-effect devices of field-effect transistors with insulated gate, e.g. characterised by the length, the width, the geometric contour or the doping structure with a variation of the composition, e.g. channel with strained layer for increasing the mobility
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    • H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
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    • H01L29/66969—Multistep manufacturing processes of devices having semiconductor bodies not comprising group 14 or group 13/15 materials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
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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
    • H01L29/66—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
    • 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

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  • Engineering & Computer Science (AREA)
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  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thin Film Transistor (AREA)

Abstract

一种薄膜晶体管(TFT)包括：栅极(170)、有源层(SL)、位于栅极(170)和有源层(SL)之间的栅极绝缘层(160)、以及电连接到所述有源层(SL)的源极(181)和漏极(182)。有源层(SL)包括在堆叠方向上重叠设置的沟道层(CL)和至少一个沟道保护层(PL1；PL2)，沟道层(CL)和至少一个沟道保护层(PL1；PL2)每个的材料均为金属氧化物半导体材料。至少一个沟道保护层(PL1；PL2)为结晶层，且至少一个沟道保护层(PL1；PL2)的金属元素包括非稀土金属元素，所述非稀土金属元素包括In、Ga、Zn和Sn。这样，能够有效减少沟道层的缺陷，从而有效改善了薄膜晶体管的整体稳定性。

Description

PCT国内申请，说明书已公开。

Claims (31)

  1. PCT国内申请，权利要求书已公开。
CN202180001030.2A 2020-06-24 2021-04-30 薄膜晶体管、半导体基板和x射线平板探测器 Pending CN114175271A (zh)

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CN202010591840.5A CN113838801A (zh) 2020-06-24 2020-06-24 半导体基板的制造方法和半导体基板
CN2020105918405 2020-06-24
PCT/CN2021/091596 WO2021258858A1 (zh) 2020-06-24 2021-04-30 薄膜晶体管、半导体基板和x射线平板探测器

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CN202180001030.2A Pending CN114175271A (zh) 2020-06-24 2021-04-30 薄膜晶体管、半导体基板和x射线平板探测器

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Publication number Priority date Publication date Assignee Title
JPH08172202A (ja) * 1994-12-20 1996-07-02 Sharp Corp 薄膜トランジスタおよびその製造方法
JP4609797B2 (ja) * 2006-08-09 2011-01-12 Ｎｅｃ液晶テクノロジー株式会社 薄膜デバイス及びその製造方法
KR100963104B1 (ko) * 2008-07-08 2010-06-14 삼성모바일디스플레이주식회사 박막 트랜지스터, 그의 제조 방법 및 박막 트랜지스터를구비하는 평판 표시 장치
KR101578694B1 (ko) * 2009-06-02 2015-12-21 엘지디스플레이 주식회사 산화물 박막 트랜지스터의 제조방법
KR101436120B1 (ko) * 2009-12-28 2014-09-01 가부시키가이샤 한도오따이 에네루기 켄큐쇼 반도체 장치의 제작 방법
KR101827848B1 (ko) * 2010-10-22 2018-03-23 삼성디스플레이 주식회사 박막 트랜지스터 및 이를 구비한 표시 장치
JP2014032999A (ja) * 2012-08-01 2014-02-20 Panasonic Liquid Crystal Display Co Ltd 薄膜トランジスタ及びその製造方法
WO2014181785A1 (en) * 2013-05-09 2014-11-13 Semiconductor Energy Laboratory Co., Ltd. Semiconductor device and manufacturing method thereof
TWI642186B (zh) * 2013-12-18 2018-11-21 日商半導體能源研究所股份有限公司 半導體裝置
CN103996717B (zh) * 2014-05-07 2015-08-26 京东方科技集团股份有限公司 薄膜晶体管及其制作方法、显示基板和显示装置
CN105633170A (zh) * 2016-02-23 2016-06-01 广州新视界光电科技有限公司 金属氧化物薄膜晶体管及其制备方法以及阵列基板和显示装置
WO2017153882A1 (en) * 2016-03-11 2017-09-14 Semiconductor Energy Laboratory Co., Ltd. Semiconductor device, manufacturing method thereof, and display device including the semiconductor device
CN107978607B (zh) * 2017-11-21 2020-04-28 深圳市华星光电半导体显示技术有限公司 背沟道蚀刻型氧化物半导体tft基板的制作方法

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EP4075516A4 (en) 2023-08-16
US20230006070A1 (en) 2023-01-05
CN113838801A (zh) 2021-12-24
WO2021258983A1 (zh) 2021-12-30
US20220344517A1 (en) 2022-10-27
EP4075516A1 (en) 2022-10-19
WO2021258858A1 (zh) 2021-12-30

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