KR100765305B1 - 반도체 디바이스와 패턴 형성 방법 - Google Patents
반도체 디바이스와 패턴 형성 방법 Download PDFInfo
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- KR100765305B1 KR100765305B1 KR1020027000860A KR20027000860A KR100765305B1 KR 100765305 B1 KR100765305 B1 KR 100765305B1 KR 1020027000860 A KR1020027000860 A KR 1020027000860A KR 20027000860 A KR20027000860 A KR 20027000860A KR 100765305 B1 KR100765305 B1 KR 100765305B1
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- 238000000034 method Methods 0.000 title claims abstract description 60
- 239000004065 semiconductor Substances 0.000 title claims abstract description 24
- 229910052751 metal Inorganic materials 0.000 claims description 103
- 239000002184 metal Substances 0.000 claims description 103
- 238000005530 etching Methods 0.000 claims description 73
- 238000000576 coating method Methods 0.000 claims description 49
- 239000011248 coating agent Substances 0.000 claims description 32
- 239000000758 substrate Substances 0.000 claims description 30
- 238000001039 wet etching Methods 0.000 claims description 26
- VNTLIPZTSJSULJ-UHFFFAOYSA-N chromium molybdenum Chemical compound [Cr].[Mo] VNTLIPZTSJSULJ-UHFFFAOYSA-N 0.000 claims description 23
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 22
- 238000001312 dry etching Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 15
- 239000000460 chlorine Substances 0.000 claims description 12
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 11
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 11
- 229910017604 nitric acid Inorganic materials 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 229910001868 water Inorganic materials 0.000 claims description 11
- 239000007789 gas Substances 0.000 claims description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 7
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 6
- 229910052750 molybdenum Inorganic materials 0.000 claims description 6
- 239000011733 molybdenum Substances 0.000 claims description 6
- 238000000059 patterning Methods 0.000 claims description 6
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 5
- 229910052801 chlorine Inorganic materials 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 230000007261 regionalization Effects 0.000 claims description 3
- 229910015202 MoCr Inorganic materials 0.000 abstract description 62
- 238000004519 manufacturing process Methods 0.000 abstract description 28
- 239000010408 film Substances 0.000 description 270
- 239000010410 layer Substances 0.000 description 43
- 229910021417 amorphous silicon Inorganic materials 0.000 description 26
- 239000011521 glass Substances 0.000 description 9
- 229910004298 SiO 2 Inorganic materials 0.000 description 6
- 238000001459 lithography Methods 0.000 description 4
- 238000000151 deposition Methods 0.000 description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 238000001020 plasma etching Methods 0.000 description 3
- 239000002356 single layer Substances 0.000 description 3
- 229910004205 SiNX Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010409 thin film Substances 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 adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
- H01L29/6675—Amorphous silicon or polysilicon transistors
- H01L29/66757—Lateral single gate single channel transistors with non-inverted structure, i.e. the channel layer is formed before the gate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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 at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System 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
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
- H01L21/321—After treatment
- H01L21/3213—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer
- H01L21/32133—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only
- H01L21/32134—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by liquid etching only
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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 at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System 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
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
- H01L21/321—After treatment
- H01L21/3213—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer
- H01L21/32133—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only
- H01L21/32135—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by vapour etching only
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
- H01L29/417—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions carrying the current to be rectified, amplified or switched
- H01L29/41725—Source or drain electrodes for field effect devices
- H01L29/41733—Source or drain electrodes for field effect devices for thin film transistors with insulated gate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
- H01L29/456—Ohmic electrodes on silicon
- H01L29/458—Ohmic electrodes on silicon for thin film silicon, e.g. source or drain electrode
Abstract
Description
Claims (10)
- 패턴 형성 방법으로서,기판에 제 1 금속 필름을 형성하는 단계와,상기 제 1 금속 필름에 제 2 금속 필름을 형성하는 단계와,상기 제 2 금속 필름과 제 1 금속 필름을 패턴화(patterning) 함으로써 소스 전극(source electrode), 드레인 전극(drain electrode) 및 소스 버스(source bus)의 패턴을 형성하는 단계를 포함하는 것을 특징으로 하고,상기 소스 전극, 드레인 전극 및 소스 버스의 패턴을 형성하는 상기 단계는 상기 제 2 금속 필름에 저항 코팅(resist coat)을 형성하는 단계와,상기 저항 코팅을 형성하는 상기 단계 후에 상기 제 2 금속 필름과 제 1 금속 필름을 건식 에칭(dry-etching)하는 제 1 에칭 단계를포함하는 것을 추가 특징으로 하는, 패턴 형성 방법.
- 제 1항에 있어서, 상기 제 1 금속 필름은 ITO를 포함하는 ITO 필름이고, 상기 제 2 금속 필름은 몰리브덴 재료를 포함하는 몰리브덴-크롬 필름임을 특징으로 하고,상기 제 1 에칭 단계는 염소와 산소의 혼합 기체로 상기 몰리브덴-크롬 필름과 상기 ITO 필름을 건식 에칭하는 단계인 것을 추가 특징으로 하는, 패턴 형성 방법.
- 제 1항에 있어서, 상기 방법은 상기 제 1 에칭 단계 대신, 상기 제 2 금속 필름을 습식 에칭한 다음 상기 제 1 금속 필름을 건식 에칭하는 제 2 에칭 단계를 포함하는 것을 특징으로 하는, 패턴 형성 방법.
- 제 3항에 있어서, 상기 제 1 금속 필름은 ITO를 포함하는 ITO 필름이고, 상기 제 2 금속 필름은 몰리브덴 재료를 포함하는 몰리브덴-크롬 필름임을 특징으로 하고,상기 제 2 에칭 단계는 인산, 질산 및 물의 혼합 에칭액(etchant)으로 상기 몰리브덴-크롬 필름을 습식 에칭하고, 이어서 염소를 포함하는 기체로 상기 ITO 필름을 건식 에칭하는 단계인 것을 추가 특징으로 하는, 패턴 형성 방법.
- 제 1항에 있어서, 상기 방법은 상기 제 1 에칭 단계 대신, 상기 제 2 금속 필름과 제 1 금속 필름을 습식 에칭한 다음 상기 제 2 금속 필름을 더 습식 에칭하는 제 3 에칭 단계를 포함하는 것을 특징으로 하는, 패턴 형성 방법.
- 제 5항에 있어서, 상기 제 1 금속 필름은 ITO를 포함하는 ITO 필름이고, 상기 제 2 금속 필름은 몰리브덴 재료를 포함하는 몰리브덴-크롬 필름임을 특징으로 하고,상기 제 3 에칭 단계는 인산, 질산 및 물의 혼합 에칭액으로 상기 몰리브덴-크롬 필름을 습식 에칭하고, 이어서 염산 에칭액으로 상기 ITO 필름을 습식 에칭하며, 인산, 질산 및 물의 혼합 에칭액으로 상기 몰리브덴-크롬 필름을 추가 습식 에칭하는 단계인 것을 추가 특징으로 하는, 패턴 형성 방법.
- 제 3항 또는 제 5항에 있어서, 상기 제 1 금속 필름은 500 옹스트롬(angstrom)을 초과하지 않는 두께를 갖는 것을 특징으로 하는, 패턴 형성 방법.
- 반도체 디바이스로서,기판에 형성된 소스 전극과,상기 소스 전극에 형성된 소스 버스와,상기 기판에 형성되고 제 1 전극과 상기 제 1 전극 위에 형성된 제 2 전극을 포함한 드레인 전극을 포함하는 것을 특징으로 하고,상기 소스 전극의 가장자리 부분은 상기 소스 버스의 가장자리 부분에 대해 상기 드레인 전극 쪽으로 돌출되고, 상기 드레인 전극의 상기 제 1 전극의 가장자리 부분은 상기 제 2 전극에 대해 상기 소스 전극 쪽으로 돌출되는 것을 추가 특징으로 하는, 반도체 디바이스.
- 제 8항에 있어서, 상기 소스 전극, 상기 소스 버스, 상기 제 1 전극 및 상기 제 2 전극의 각 가장자리 부분은 상기 기판에 수직인 표면으로 형성되는 것을 특징으로 하는, 반도체 디바이스.
- 제 8항에 있어서, 상기 소스 전극, 상기 소스 버스, 상기 제 1 전극 및 상기 제 2 전극의 각 가장자리 부분은 상기 기판에 대해 기울어진 표면으로 형성되는 것을 특징으로 하는, 반도체 디바이스.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2000151234A JP4630420B2 (ja) | 2000-05-23 | 2000-05-23 | パターン形成方法 |
JPJP-P-2000-00151234 | 2000-05-23 |
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KR20020032533A KR20020032533A (ko) | 2002-05-03 |
KR100765305B1 true KR100765305B1 (ko) | 2007-10-10 |
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KR1020027000860A KR100765305B1 (ko) | 2000-05-23 | 2001-05-08 | 반도체 디바이스와 패턴 형성 방법 |
Country Status (8)
Country | Link |
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US (2) | US6693000B2 (ko) |
EP (1) | EP1290723B1 (ko) |
JP (1) | JP4630420B2 (ko) |
KR (1) | KR100765305B1 (ko) |
CN (1) | CN100429754C (ko) |
AT (1) | ATE346380T1 (ko) |
DE (1) | DE60124704T2 (ko) |
WO (1) | WO2001091172A2 (ko) |
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JP2005223048A (ja) * | 2004-02-04 | 2005-08-18 | Ricoh Co Ltd | 半導体装置、半導体装置の製造方法、および表示装置 |
JP2005223049A (ja) * | 2004-02-04 | 2005-08-18 | Ricoh Co Ltd | 半導体装置、半導体装置の製造方法、および表示装置 |
US7547627B2 (en) * | 2004-11-29 | 2009-06-16 | Semiconductor Energy Laboratory Co., Ltd. | Method for manufacturing semiconductor device |
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US7560735B2 (en) | 2005-04-22 | 2009-07-14 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor element, organic transistor, light-emitting device, and electronic device |
US8149346B2 (en) * | 2005-10-14 | 2012-04-03 | Semiconductor Energy Laboratory Co., Ltd. | Display device and manufacturing method thereof |
WO2007043493A1 (en) | 2005-10-14 | 2007-04-19 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device and manufacturing method thereof |
JP5082385B2 (ja) * | 2006-11-01 | 2012-11-28 | セイコーエプソン株式会社 | 電気光学装置の製造方法 |
GB2448174B (en) * | 2007-04-04 | 2009-12-09 | Cambridge Display Tech Ltd | Organic thin film transistors |
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KR101993584B1 (ko) * | 2010-01-22 | 2019-06-26 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 반도체 장치 |
KR20120121931A (ko) * | 2010-02-19 | 2012-11-06 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 반도체 장치 및 그 제조 방법 |
KR101597886B1 (ko) | 2011-04-18 | 2016-02-26 | 샤프 가부시키가이샤 | 박막 트랜지스터, 표시패널 및 박막 트랜지스터의 제조방법 |
KR101960796B1 (ko) * | 2012-03-08 | 2019-07-16 | 삼성디스플레이 주식회사 | 박막 트랜지스터의 제조 방법, 표시 기판의 제조 방법 및 표시 기판 |
CN102629671B (zh) * | 2012-04-25 | 2015-05-06 | 上海大学 | 硅基微显示器的有机电致发光器件制备方法 |
KR102039102B1 (ko) * | 2012-12-24 | 2019-11-01 | 삼성디스플레이 주식회사 | 박막 트랜지스터 표시판 및 그 제조 방법 |
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CN107196619B (zh) * | 2017-05-04 | 2023-05-12 | 杭州左蓝微电子技术有限公司 | 一种薄膜体声波谐振器锲形形状薄膜制备方法及器件 |
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2001
- 2001-05-08 CN CNB018021484A patent/CN100429754C/zh not_active Expired - Fee Related
- 2001-05-08 AT AT01933947T patent/ATE346380T1/de not_active IP Right Cessation
- 2001-05-08 EP EP01933947A patent/EP1290723B1/en not_active Expired - Lifetime
- 2001-05-08 KR KR1020027000860A patent/KR100765305B1/ko active IP Right Grant
- 2001-05-08 DE DE60124704T patent/DE60124704T2/de not_active Expired - Lifetime
- 2001-05-08 WO PCT/EP2001/005261 patent/WO2001091172A2/en active IP Right Grant
- 2001-05-21 US US09/861,939 patent/US6693000B2/en not_active Expired - Lifetime
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- 2003-12-03 US US10/726,831 patent/US6768134B2/en not_active Expired - Lifetime
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Also Published As
Publication number | Publication date |
---|---|
DE60124704D1 (de) | 2007-01-04 |
WO2001091172A3 (en) | 2002-03-21 |
CN1630938A (zh) | 2005-06-22 |
JP4630420B2 (ja) | 2011-02-09 |
WO2001091172A2 (en) | 2001-11-29 |
EP1290723B1 (en) | 2006-11-22 |
DE60124704T2 (de) | 2007-03-15 |
KR20020032533A (ko) | 2002-05-03 |
JP2001332735A (ja) | 2001-11-30 |
US6693000B2 (en) | 2004-02-17 |
US20020048863A1 (en) | 2002-04-25 |
US20040082123A1 (en) | 2004-04-29 |
CN100429754C (zh) | 2008-10-29 |
EP1290723A2 (en) | 2003-03-12 |
US6768134B2 (en) | 2004-07-27 |
ATE346380T1 (de) | 2006-12-15 |
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