KR100658057B1 - 박막 트랜지스터의 제조 방법 - Google Patents
박막 트랜지스터의 제조 방법 Download PDFInfo
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- KR100658057B1 KR100658057B1 KR1020000029772A KR20000029772A KR100658057B1 KR 100658057 B1 KR100658057 B1 KR 100658057B1 KR 1020000029772 A KR1020000029772 A KR 1020000029772A KR 20000029772 A KR20000029772 A KR 20000029772A KR 100658057 B1 KR100658057 B1 KR 100658057B1
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- nickel
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- 238000000034 method Methods 0.000 title claims abstract description 45
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 68
- 229910021417 amorphous silicon Inorganic materials 0.000 claims abstract description 25
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 25
- 239000010409 thin film Substances 0.000 claims abstract description 22
- 238000000151 deposition Methods 0.000 claims abstract description 20
- 238000005530 etching Methods 0.000 claims abstract description 19
- 229910052751 metal Inorganic materials 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 16
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000000137 annealing Methods 0.000 claims abstract description 8
- 230000002779 inactivation Effects 0.000 claims abstract description 4
- 229910052581 Si3N4 Inorganic materials 0.000 claims abstract description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000010408 film Substances 0.000 claims description 20
- 238000000059 patterning Methods 0.000 claims description 16
- 239000000758 substrate Substances 0.000 claims description 13
- 239000004065 semiconductor Substances 0.000 claims description 12
- 238000002161 passivation Methods 0.000 claims description 9
- 239000012535 impurity Substances 0.000 claims description 4
- 150000002739 metals Chemical class 0.000 claims description 2
- 229910021332 silicide Inorganic materials 0.000 claims description 2
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims description 2
- 230000004913 activation Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 238000001312 dry etching Methods 0.000 abstract description 11
- 238000001039 wet etching Methods 0.000 abstract description 4
- 230000008021 deposition Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 44
- 238000000206 photolithography Methods 0.000 description 12
- 239000004020 conductor Substances 0.000 description 5
- 238000007796 conventional method Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 229910004205 SiNX Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910021334 nickel silicide Inorganic materials 0.000 description 3
- RUFLMLWJRZAWLJ-UHFFFAOYSA-N nickel silicide Chemical compound [Ni]=[Si]=[Ni] RUFLMLWJRZAWLJ-UHFFFAOYSA-N 0.000 description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000000415 inactivating effect Effects 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance 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 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
- H01L29/456—Ohmic electrodes on silicon
- H01L29/458—Ohmic electrodes on silicon for thin film silicon, e.g. source or drain electrode
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136227—Through-hole connection of the pixel electrode to the active element through an insulation layer
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136286—Wiring, e.g. gate line, drain line
-
- 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 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
- H01L21/31—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
- H01L21/3105—After-treatment
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31105—Etching inorganic layers
- H01L21/31111—Etching inorganic layers by chemical means
- H01L21/31116—Etching inorganic layers by chemical means by dry-etching
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- 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 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
- H01L21/31—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
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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
- H01L27/124—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 layout of the wiring layers specially adapted to the circuit arrangement, e.g. scanning lines in LCD pixel circuits
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- 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
- H01L29/66765—Lateral single gate single channel transistors with inverted structure, i.e. the channel layer is formed after the gate
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Chemical & Material Sciences (AREA)
- Computer Hardware Design (AREA)
- Nonlinear Science (AREA)
- Manufacturing & Machinery (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Optics & Photonics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mathematical Physics (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Thin Film Transistor (AREA)
- Electrodes Of Semiconductors (AREA)
Abstract
Description
상기에서 소스 및 드레인 금속으로 Ni/Al/Ni를 사용한다. 여기서, 소스 및 드레인 전극(71)을 형성하기 위한 에칭 공정은 상온 50℃ 에서 습식 에칭 공정이나 Cl 계열의 가스를 사용한 건식 에칭 공정이 모두 가능하다.
Claims (6)
- 기판 상에 게이트 금속을 퇴적하고 패터닝하여 게이트 전극을 하는 단계,상기 기판 상에 게이트 전극을 덮도록 게이트 절연막을 형성하고 상기 게이트 절연막 상에 불순물이 도핑되지 않은 비정질 실리콘과 불순물이 도핑된 비정질 실리콘으로 구성된 활성화층을 적층하고 상기 게이트 전극과 대응하는 부분이 잔류하도록 사진 인쇄 및 에칭에 의해 패터닝하여 채널층과 반도체층을 형성하는 단계,상기 게이트 절연막 상에 상기 반도체층과 접촉되며 상층 및 하층에 니켈을 포함하는 다층의 소스/드레인 금속을 증착하고 패터닝하여 소스/드레인 전극을 형성하는 단계,상기 게이트 절연막 상에 실리콘질화물로 구성된 불활성화층을 상기 소스/드레인 전극을 덮도록 증착하고 패터닝하여 상기 드레인 전극을 노출시키는 접촉홀을 형성하는 단계,상기 불활성화층 상에 상기 접촉홀을 통해 상기 드레인 전극과 접촉되게 ITO막을 증착하고 패터닝하여 화소전극을 형성하는 단계,최종 어닐링을 300℃ 정도의 온도로 수행하여 상기 소스/드레인 전극을 이루는 상기 하층의 니켈과 상기 반도체층 사이에 오옴 접촉을 이루도록 실리사이드층을 형성하는 단계를 포함하는 박막 트랜지스터의 제조 방법.
- 제1항에 있어서, 상기 게이트 금속으로 니켈/알루미늄/니켈(Ni/Al/Ni) 또는 알루미늄/니켈(Al/Ni) 이 사용되는 박막 트랜지스터의 제조 방법.
- 제1항에 있어서, 상기 소스/드레인 금속을 상온 50℃에서 습식 에칭이나 Cl 계열의 가스를 사용한 건식 에칭하여 패터닝하는 박막 트랜지스터의 제조 방법.
- 제1항에 있어서, 상기 불활성화층에 접촉홀을 형성할 때 소스 가스로 SF6를 포함하는 식각 가스로 에칭하는 박막 트랜지스터의 제조 방법.
- 삭제
- 삭제
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KR1020000029772A KR100658057B1 (ko) | 2000-05-31 | 2000-05-31 | 박막 트랜지스터의 제조 방법 |
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KR1020000029772A KR100658057B1 (ko) | 2000-05-31 | 2000-05-31 | 박막 트랜지스터의 제조 방법 |
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KR20010108833A KR20010108833A (ko) | 2001-12-08 |
KR100658057B1 true KR100658057B1 (ko) | 2006-12-15 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100927585B1 (ko) * | 2008-03-05 | 2009-11-23 | 삼성모바일디스플레이주식회사 | 유기 발광 표시 장치 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01217422A (ja) * | 1988-02-26 | 1989-08-31 | Seikosha Co Ltd | 非晶質シリコン薄膜トランジシタアレイ基板 |
JPH0456136A (ja) * | 1990-06-22 | 1992-02-24 | Nippon Telegr & Teleph Corp <Ntt> | 配線用薄膜形成法 |
JP2000101091A (ja) * | 1998-09-28 | 2000-04-07 | Sharp Corp | 薄膜トランジスタ |
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- 2000-05-31 KR KR1020000029772A patent/KR100658057B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01217422A (ja) * | 1988-02-26 | 1989-08-31 | Seikosha Co Ltd | 非晶質シリコン薄膜トランジシタアレイ基板 |
JP2740813B2 (ja) * | 1988-02-26 | 1998-04-15 | セイコープレシジョン株式会社 | 非晶質シリコン薄膜トランジシタアレイ基板 |
JPH0456136A (ja) * | 1990-06-22 | 1992-02-24 | Nippon Telegr & Teleph Corp <Ntt> | 配線用薄膜形成法 |
JP2000101091A (ja) * | 1998-09-28 | 2000-04-07 | Sharp Corp | 薄膜トランジスタ |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100927585B1 (ko) * | 2008-03-05 | 2009-11-23 | 삼성모바일디스플레이주식회사 | 유기 발광 표시 장치 |
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