KR100753416B1 - 반도체 소자의 제조방법 - Google Patents
반도체 소자의 제조방법 Download PDFInfo
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- KR100753416B1 KR100753416B1 KR1020060027126A KR20060027126A KR100753416B1 KR 100753416 B1 KR100753416 B1 KR 100753416B1 KR 1020060027126 A KR1020060027126 A KR 1020060027126A KR 20060027126 A KR20060027126 A KR 20060027126A KR 100753416 B1 KR100753416 B1 KR 100753416B1
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 32
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 229910052751 metal Inorganic materials 0.000 claims abstract description 131
- 239000002184 metal Substances 0.000 claims abstract description 131
- 230000004888 barrier function Effects 0.000 claims abstract description 71
- 239000010410 layer Substances 0.000 claims abstract description 48
- 238000000034 method Methods 0.000 claims abstract description 42
- 239000000758 substrate Substances 0.000 claims abstract description 21
- 239000011229 interlayer Substances 0.000 claims abstract description 20
- 230000001590 oxidative effect Effects 0.000 claims abstract description 6
- 238000000151 deposition Methods 0.000 claims description 21
- 230000008021 deposition Effects 0.000 claims description 15
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 13
- 229910052710 silicon Inorganic materials 0.000 claims description 13
- 239000010703 silicon Substances 0.000 claims description 13
- 229910052782 aluminium Inorganic materials 0.000 claims description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 11
- 239000010949 copper Substances 0.000 claims description 11
- 239000007789 gas Substances 0.000 claims description 11
- 229910052721 tungsten Inorganic materials 0.000 claims description 11
- 239000010937 tungsten Substances 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- TUTOKIOKAWTABR-UHFFFAOYSA-N dimethylalumane Chemical compound C[AlH]C TUTOKIOKAWTABR-UHFFFAOYSA-N 0.000 claims description 6
- 238000006722 reduction reaction Methods 0.000 claims description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- AVFZOVWCLRSYKC-UHFFFAOYSA-N 1-methylpyrrolidine Chemical compound CN1CCCC1 AVFZOVWCLRSYKC-UHFFFAOYSA-N 0.000 claims description 3
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 3
- AHVYPIQETPWLSZ-UHFFFAOYSA-N N-methyl-pyrrolidine Natural products CN1CC=CC1 AHVYPIQETPWLSZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910000086 alane Inorganic materials 0.000 claims description 3
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical compound [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims description 3
- 238000005530 etching Methods 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 239000011733 molybdenum Substances 0.000 claims description 3
- 238000005121 nitriding Methods 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 150000002894 organic compounds Chemical class 0.000 claims description 3
- 238000004544 sputter deposition Methods 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 2
- 150000004767 nitrides Chemical class 0.000 claims 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 238000005229 chemical vapour deposition Methods 0.000 description 5
- 238000005240 physical vapour deposition Methods 0.000 description 5
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 229910004469 SiHx Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000001312 dry etching Methods 0.000 description 2
- -1 or N 2 H 4 Inorganic materials 0.000 description 2
- 239000012495 reaction gas Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 239000013212 metal-organic material Substances 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006557 surface reaction Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- WQJQOUPTWCFRMM-UHFFFAOYSA-N tungsten disilicide Chemical compound [Si]#[W]#[Si] WQJQOUPTWCFRMM-UHFFFAOYSA-N 0.000 description 1
- 229910021342 tungsten silicide Inorganic materials 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Images
Classifications
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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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76838—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the conductors
- H01L21/76841—Barrier, adhesion or liner layers
- H01L21/76843—Barrier, adhesion or liner layers formed in openings in a dielectric
-
- 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76838—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the conductors
- H01L21/76841—Barrier, adhesion or liner layers
- H01L21/76853—Barrier, adhesion or liner layers characterized by particular after-treatment steps
- H01L21/76855—After-treatment introducing at least one additional element into the layer
- H01L21/76856—After-treatment introducing at least one additional element into the layer by treatment in plasmas or gaseous environments, e.g. nitriding a refractory metal liner
-
- 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76838—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the conductors
- H01L21/76841—Barrier, adhesion or liner layers
- H01L21/76871—Layers specifically deposited to enhance or enable the nucleation of further layers, i.e. seed layers
-
- 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76838—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the conductors
- H01L21/76877—Filling of holes, grooves or trenches, e.g. vias, with conductive material
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Plasma & Fusion (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
Claims (14)
- 반도체 기판 상에 층간절연막을 형성하는 단계;상기 층간절연막을 식각하여 콘택홀을 형성하는 단계;상기 콘택홀의 측벽을 제외한 층간절연막 상에 베리어막을 형성하는 단계;상기 콘택홀을 포함한 기판 결과물 상에 시드막을 형성하는 단계;상기 콘택홀의 측벽 상부 및 층간절연막 상의 베리어막 상부에 형성된 시드막을 선택적으로 산화시켜 산화막을 형성하는 단계;상기 산화되지 않은 나머지 시드막 부분을 장벽금속막으로 변환시키는 단계;상기 장벽금속막이 형성된 콘택홀 내에 금속플러그를 형성하는 단계;상기 산화막을 제거하는 단계; 및상기 금속플러그를 포함한 베리어막 상에 금속배선을 형성하는 단계;를 포함하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 1 항에 있어서,상기 장벽금속막을 형성하는 단계는,상기 나머지 시드막 부분을 환원반응을 통해 순수금속막으로 변환하는 단계; 및 상기 순수금속막을 질화시켜 장벽금속막을 형성하는 단계;를 포함하여 이루어지는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 1 항에 있어서,상기 베리어막은 IMP(Ionized Metal Plasma), LTS(Long Through Sputtering) 및 시준기(Collimator)로 구성된 그룹으로부터 선택되는 어느 하나의 단차피복성이 취약한 물리적 증착방식을 사용하여 형성하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 1 항에 있어서,상기 시드막은 실리콘막, 또는, 수소를 포함하는 실리콘막으로 형성하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 4 항에 있어서,상기 시드막을 형성하는 단계는 진공 중에서 상기 반도체 기판을 400∼500℃로 가열한 상태에서 Ar/SiH4 가스와 1∼10 Torr의 저압 분위기에서 수행되는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 2 항에 있어서,상기 순수금속막은 텅스텐, 또는, 몰리브덴 및 내열성 금속으로 형성하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 2 항에 있어서,상기 순수금속막을 질화시켜 장벽금속막을 형성하는 단계는, 원격 플라즈마 발생장치에서 NH3, 또는, N2H4, 그리고, N2 와 같은 질소를 포함하는 기체를 사용하여 수행하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 1 항에 있어서,상기 금속플러그는 알루미늄, 또는 구리로 형성하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 8 항에 있어서,상기 금속플러그가 알루미늄일 경우에는 그 반응원으로서 DMAH(DiMethyl Aluminum Hydride), 또는, MPA(Methyl Pyrrolidine Alane)를 사용하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 8 항에 있어서,상기 금속플러그가 구리일 경우에는 그 반응원으로 Cupra Select[Cu(hfac) (TMVS)]로 통칭되는 유기 화합물이나 그와 유사한 특성을 구비하는 물질을 사용하 는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 1 항에 있어서,상기 금속배선은 알루미늄, 또는, 알루미늄 합금으로 형성하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 11 항에 있어서,상기 알루미늄은 리플로우 방식, 또는, 저온/고온의 2단계 증착 방식을 통해 형성하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 1 항에 있어서,상기 산화막은 ClF3 와 H2/Ar 가스에 번갈아서 노출시켜 제거하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 1 항에 있어서,상기 베리어막, 시드막, 장벽금속막은 공정챔버 내에 필요한 반응원들을 하나씩 차례로 유입하여 다원자층 이하를 흡착시켜 반응시키고 이를 반복하여 각각의 막을 단계적으로 형성하는 것을 특징으로 하는 반도체 소자의 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020060027126A KR100753416B1 (ko) | 2006-03-24 | 2006-03-24 | 반도체 소자의 제조방법 |
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KR1020060027126A KR100753416B1 (ko) | 2006-03-24 | 2006-03-24 | 반도체 소자의 제조방법 |
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KR100753416B1 true KR100753416B1 (ko) | 2007-08-30 |
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KR1020060027126A Expired - Fee Related KR100753416B1 (ko) | 2006-03-24 | 2006-03-24 | 반도체 소자의 제조방법 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101617549B1 (ko) | 2014-07-17 | 2016-05-02 | 타이완 세미콘덕터 매뉴팩쳐링 컴퍼니 리미티드 | 도전성 구조 및 그 형성 방법 |
KR20220026559A (ko) * | 2019-09-20 | 2022-03-04 | 타이완 세미콘덕터 매뉴팩쳐링 컴퍼니 리미티드 | 콘택트 플러그의 상향식 형성 |
CN119965187A (zh) * | 2025-04-12 | 2025-05-09 | 苏州博志金钻科技有限责任公司 | 一种垂直互连的封装基板、制备方法和电镀填铜方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2001110808A (ja) * | 1999-10-12 | 2001-04-20 | Sony Corp | 半導体装置の製造方法 |
KR20050059951A (ko) * | 2003-12-15 | 2005-06-21 | 매그나칩 반도체 유한회사 | 반도체 소자의 금속 배선 형성 방법 |
-
2006
- 2006-03-24 KR KR1020060027126A patent/KR100753416B1/ko not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2001110808A (ja) * | 1999-10-12 | 2001-04-20 | Sony Corp | 半導体装置の製造方法 |
KR20050059951A (ko) * | 2003-12-15 | 2005-06-21 | 매그나칩 반도체 유한회사 | 반도체 소자의 금속 배선 형성 방법 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101617549B1 (ko) | 2014-07-17 | 2016-05-02 | 타이완 세미콘덕터 매뉴팩쳐링 컴퍼니 리미티드 | 도전성 구조 및 그 형성 방법 |
US9564359B2 (en) | 2014-07-17 | 2017-02-07 | Taiwan Semiconductor Manufacturing Company, Ltd. | Conductive structure and method of forming the same |
US9917051B2 (en) | 2014-07-17 | 2018-03-13 | Taiwan Semiconductor Manufacturing Company, Ltd. | Conductive structure and method of forming the same |
US10373907B2 (en) | 2014-07-17 | 2019-08-06 | Taiwan Semiconductor Manufacturing Company, Ltd. | Conductive structure and method of forming the same |
KR20220026559A (ko) * | 2019-09-20 | 2022-03-04 | 타이완 세미콘덕터 매뉴팩쳐링 컴퍼니 리미티드 | 콘택트 플러그의 상향식 형성 |
KR102495788B1 (ko) | 2019-09-20 | 2023-02-07 | 타이완 세미콘덕터 매뉴팩쳐링 컴퍼니 리미티드 | 콘택트 플러그의 상향식 형성 |
CN119965187A (zh) * | 2025-04-12 | 2025-05-09 | 苏州博志金钻科技有限责任公司 | 一种垂直互连的封装基板、制备方法和电镀填铜方法 |
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