JP2014502038A - 薄膜電極および薄膜スタックを堆積させる方法 - Google Patents
薄膜電極および薄膜スタックを堆積させる方法 Download PDFInfo
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- 239000010409 thin film Substances 0.000 title claims abstract description 106
- 238000000151 deposition Methods 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims abstract description 35
- 239000010408 film Substances 0.000 claims abstract description 126
- 239000000463 material Substances 0.000 claims abstract description 63
- 239000000758 substrate Substances 0.000 claims abstract description 60
- 238000004544 sputter deposition Methods 0.000 claims description 69
- 230000008021 deposition Effects 0.000 claims description 31
- 239000002243 precursor Substances 0.000 claims description 25
- 239000000203 mixture Substances 0.000 claims description 17
- 229910052802 copper Inorganic materials 0.000 claims description 14
- 229910052739 hydrogen Inorganic materials 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 13
- 229910016027 MoTi Inorganic materials 0.000 claims description 12
- 229910052782 aluminium Inorganic materials 0.000 claims description 12
- 229910052750 molybdenum Inorganic materials 0.000 claims description 12
- 229910052719 titanium Inorganic materials 0.000 claims description 12
- 229910052757 nitrogen Inorganic materials 0.000 claims description 10
- 229910052786 argon Inorganic materials 0.000 claims description 6
- 238000001755 magnetron sputter deposition Methods 0.000 claims description 6
- 229910006404 SnO 2 Inorganic materials 0.000 claims description 5
- 229910004116 SrO 2 Inorganic materials 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000000427 thin-film deposition Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 86
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 16
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 13
- 239000001257 hydrogen Substances 0.000 description 11
- 238000012986 modification Methods 0.000 description 10
- 230000004048 modification Effects 0.000 description 10
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 239000012298 atmosphere Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 238000005477 sputtering target Methods 0.000 description 3
- 238000005530 etching Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000001552 radio frequency sputter deposition Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 239000012300 argon atmosphere Substances 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- -1 deposition time Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 238000005546 reactive sputtering Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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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
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/45—Ohmic electrodes
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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
- H01L21/04—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
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
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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
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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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- H01L29/00—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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Abstract
Description
RC=Rinterface+Rbulk=R408+R409+R409’ (1)
Claims (15)
- 透明導電酸化膜上へ薄膜電極を堆積させる方法であって、前記方法は、
基板上へ前記透明導電酸化膜を堆積させることと、
スパッタリングガスおよび処理ガスを含有する処理環境に、前記基板および前記透明導電酸化膜をさらすことと、前記処理ガスが前記透明導電酸化膜に対するドナー材料またはアクセプタ材料として作用し、
前記透明導電酸化膜の少なくとも部分上へ前記薄膜電極を堆積させることとを含み、
前記透明導電酸化膜の少なくとも部分上へ前記薄膜電極を堆積させながら、前記透明導電酸化膜に対する前記ドナー材料または前記アクセプタ材料として作用する前記処理ガスの分圧を前記スパッタリングガスの圧力に対して変動させる、方法。 - 前記処理環境が、Ar、H2、Ar/H2、NH3、Ar/NH3、およびこれらの任意の組合せからなる群から選択されるガス組成物を含み、または前記処理環境が、Ar、N2、Ar/N2、Ar/N2O、およびこれらの任意の組合せからなる群から選択されるガス組成物を含む、請求項1に記載の方法。
- 前記薄膜電極を堆積させる前に、前記透明導電酸化膜上へ前駆体層を堆積させることをさらに含む、請求項1または2に記載の方法。
- 前記前駆体層が、Mo、Ti、MoTi、Al、Cu、およびこれらの任意の組合せからなる群から選択される金属をスパッタリングすることによって堆積される、請求項3に記載の方法。
- 前記薄膜堆積処理中に少なくとも1つの堆積パラメータが制御され、前記少なくとも1つの堆積パラメータが、スパッタリングカソードに印加される電力、スパッタリングガスの圧力、堆積混合ガスの組成、基板温度、およびこれらの任意の組合せからなる群から選択される、請求項1ないし4のいずれか一項に記載の方法。
- 前記スパッタリングガスに対する前記ドナー材料または前記アクセプタ材料として作用する前記処理ガスの流量比が、0.5%〜60%の範囲内で変動され、通常は約10%である、請求項1ないし5のいずれか一項に記載の方法。
- 透明導電酸化膜上へ薄膜電極を堆積させるように適合された堆積装置であって、前記堆積装置は、
処理すべき基板を保持するように適合された基板キャリアと、
前記基板上へ前記透明導電酸化膜をスパッタリングし、前記透明導電酸化膜の少なくとも部分上へ少なくとも1つの薄膜電極をスパッタリングするように適合されたスパッタリングデバイスと、
ガスミキサを有し、スパッタリングガスおよびドナーガスまたはアクセプタガスの所望のガス流を前記スパッタリングデバイス内へ提供し、前記基板および前記透明導電酸化膜の処理環境の組成を制御するように適合されたガス流コントローラであって、前記処理環境が前記スパッタリングガスおよび処理ガスを含有し、前記処理ガスが前記透明導電酸化膜に対するドナー材料またはアクセプタ材料として作用する、ガス流コントローラとを備え、
前記ガス流コントローラが、前記透明導電酸化膜の少なくとも部分上へ前記薄膜電極を堆積させながら、前記透明導電酸化膜に対する前記ドナー材料またはアクセプタ材料として作用する前記処理ガスの分圧を前記スパッタリングガスの圧力に対して変動させるようにさらに適合される、堆積装置。 - 処理すべき前記基板を加熱するように適合された加熱デバイスをさらに備える、請求項7に記載の堆積装置。
- 前記スパッタリングデバイスが、Mo、Ti、MoTi、Al、Cu、およびこれらの任意の組合せからなる群から選択される金属をスパッタリングするように適合されたマグネトロンスパッタリングユニットとして提供される、請求項7または8に記載の堆積装置。
- 薄膜トランジスタでの使用に適合された薄膜スタックであって、前記薄膜スタックは、
基板と、
前記基板上へ堆積した透明導電酸化膜と、
前記透明導電酸化膜に対するドナー材料またはアクセプタ材料を含有し、前記透明導電酸化膜上へ堆積した前駆体層と、
前記透明導電酸化膜の少なくとも部分上へ堆積した薄膜電極とを備える薄膜スタック。 - 前記透明導電酸化膜が、ZnO、IGZO、ITO、In2O3、SnO2、CdO、およびこれらの任意の組合せからなる群から選択されるn型材料、またはCu2O、CuAlO2、Cu2SrO2、CuGaO2、およびこれらの任意の組合せからなる群から選択されるp型材料を含む、請求項10に記載の薄膜スタック。
- 前記前駆体層が、Mo、Ti、MoTi、Al、Cu、およびこれらの任意の組合せからなる群から選択されるスパッタリングされた金属を含む、請求項10または11に記載の薄膜スタック。
- 前記前駆体層が、1つの原子層から100nmまでの範囲内の厚さを有し、通常は約10nmの厚さを有する、請求項10ないし12のいずれか一項に記載の薄膜スタック。
- 前記透明導電酸化膜の一部分のキャリア濃度が、1018原子/cm3〜1020原子/cm3の範囲内であり、通常は約1019原子/cm3である、請求項10ないし13のいずれか一項に記載の薄膜スタック。
- 前記薄膜電極が、Mo、Ti、MoTi、Al、Cu、およびこれらの任意の組合せからなる群から選択されるスパッタリングされた金属を含む、請求項10ないし14のいずれか一項に記載の薄膜スタック。
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EP10189508.4 | 2010-10-29 | ||
EP10189508A EP2447999A1 (en) | 2010-10-29 | 2010-10-29 | Method for depositing a thin film electrode and thin film stack |
PCT/EP2011/068191 WO2012055728A1 (en) | 2010-10-29 | 2011-10-18 | Method for depositing a thin film electrode and thin film stack |
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JP2014502038A true JP2014502038A (ja) | 2014-01-23 |
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KR20140104792A (ko) * | 2013-02-21 | 2014-08-29 | 삼성디스플레이 주식회사 | 박막 트랜지스터 및 그 제조 방법 |
US9576984B1 (en) * | 2016-01-14 | 2017-02-21 | Hon Hai Precision Industry Co., Ltd. | Thin film transistor array panel and conducting structure |
KR101829970B1 (ko) | 2016-02-01 | 2018-02-19 | 연세대학교 산학협력단 | 산화물 박막 트랜지스터 및 그 제조 방법 |
CN114630920A (zh) * | 2020-05-25 | 2022-06-14 | 应用材料公司 | 用于产生层堆叠物的方法和用于制造图案化层堆叠物的方法 |
CN113233870B (zh) * | 2021-04-25 | 2023-01-13 | 先导薄膜材料(广东)有限公司 | 一种掺杂氧化镉靶材及其制备方法与应用 |
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KR101760839B1 (ko) | 2017-08-04 |
JP5615442B2 (ja) | 2014-10-29 |
EP2447999A1 (en) | 2012-05-02 |
TWI515793B (zh) | 2016-01-01 |
US8361897B2 (en) | 2013-01-29 |
KR20140074861A (ko) | 2014-06-18 |
CN103201839A (zh) | 2013-07-10 |
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