KR100423752B1 - 실리콘 반도체 웨이퍼 및 그 제조 방법 - Google Patents
실리콘 반도체 웨이퍼 및 그 제조 방법 Download PDFInfo
- Publication number
- KR100423752B1 KR100423752B1 KR10-2001-0070062A KR20010070062A KR100423752B1 KR 100423752 B1 KR100423752 B1 KR 100423752B1 KR 20010070062 A KR20010070062 A KR 20010070062A KR 100423752 B1 KR100423752 B1 KR 100423752B1
- Authority
- KR
- South Korea
- Prior art keywords
- temperature
- wafer
- atmosphere
- rate
- inert gas
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 51
- 239000004065 semiconductor Substances 0.000 title claims abstract description 29
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 19
- 239000010703 silicon Substances 0.000 title claims abstract description 19
- 239000007789 gas Substances 0.000 claims abstract description 24
- 239000011261 inert gas Substances 0.000 claims abstract description 15
- 238000009792 diffusion process Methods 0.000 claims abstract description 8
- 238000004140 cleaning Methods 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims description 36
- 230000007547 defect Effects 0.000 claims description 23
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 18
- 239000001301 oxygen Substances 0.000 claims description 18
- 229910052760 oxygen Inorganic materials 0.000 claims description 18
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 230000009467 reduction Effects 0.000 claims description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 230000000630 rising effect Effects 0.000 abstract description 4
- 235000012431 wafers Nutrition 0.000 description 51
- 230000008569 process Effects 0.000 description 23
- 238000005247 gettering Methods 0.000 description 16
- 239000013078 crystal Substances 0.000 description 12
- 230000015572 biosynthetic process Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- 239000002244 precipitate Substances 0.000 description 4
- 230000009643 growth defect Effects 0.000 description 3
- 201000006935 Becker muscular dystrophy Diseases 0.000 description 2
- 208000037663 Best vitelliform macular dystrophy Diseases 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 229910052723 transition metal Inorganic materials 0.000 description 2
- 150000003624 transition metals Chemical class 0.000 description 2
- 208000020938 vitelliform macular dystrophy 2 Diseases 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000004941 influx Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 230000001869 rapid Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
Classifications
-
- 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
- H01L21/324—Thermal treatment for modifying the properties of semiconductor bodies, e.g. annealing, sintering
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B33/00—After-treatment of single crystals or homogeneous polycrystalline material with defined structure
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/02—Elements
- C30B29/06—Silicon
-
- 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
- H01L21/322—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to modify their internal properties, e.g. to produce internal imperfections
- H01L21/3221—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to modify their internal properties, e.g. to produce internal imperfections of silicon bodies, e.g. for gettering
- H01L21/3225—Thermally inducing defects using oxygen present in the silicon body for intrinsic gettering
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
Description
Claims (4)
- 실리콘 반도체 웨이퍼를 생산하는 방법에 있어서,잉곳을 절단-연마-세정하여 실리콘 웨이퍼를 만드는 단계와;확산로 내 분위기를 Ar, N2, Ar나 N2를 포함하는 불활성 가스 중 어느 하나의 분위기로 만들고 실리콘 웨이퍼를 장입하여 500oC 로 예열하여 유지하는 예열단계와;확산로 내 가스분위기를 연속적으로 H2, Ar, H2나 Ar를 포함하는 불활성 가스 중 어느 하나의 분위기로 바꾼 후, 500~800oC 까지는 50~70oC/min의 승온 속도로 하고, 800~900oC까지는 50~10oC/min의 승온 속도로 하고, 900~1000oC까지는 10~0.5oC/min의 승온 속도로 하고, 1000~1250oC에서는 0.1~0.5oC/min의 승온 속도로 승온하는 승온단계와;상기 승온 단계 후, 1200~1250oC 범위에서 1~120 min간 고온유지하는 고온유지단계; 그리고상기 고온 유지 단계 후, 로내 가스분위기를 연속적으로 Ar, N2, 이들 가스를 포함한 불활성 가스 중 어느 하나의 분위기로 바꾸고 온도 단계별로 1250~1000oC 에서는 0.1~0.5oC/min의 속도로 강온하고, 1000~900oC까지는 10~0.5oC/min로 강온하고, 900~800oC까지는 50~10oC/min, 800~500oC 까지는 50~70oC/min 속도로 500oC까지 강온 하는 강온단계를 포함하는 것이 특징인 실리콘 반도체 웨이퍼 제조방법
- 청구항 1에 있어서,상기 고온 유지 단계 후에 1200oC 온도에서 1시간 더 유지하는 단계를 추가하는 것이 특징인 실리콘 반도체 웨이퍼 제조방법
- 청구항 1 또는 2의 실리콘 반도체 웨이퍼 제조방법에 의해 제조된 실리콘 반도체 웨이퍼로서,반도체 디바이스가 형성되는 면의 표면으로부터 약 15 마이크로미터 깊이까지는 무결함영역이 형성되고,상기 무결함 영역보다 더 깊은 곳의 웨이퍼 내부에는 BMD 핵의 농도가 적어도 5X105ea/cm2인 것을 특징으로 하는 실리콘 반도체 웨이퍼.
- 제3항에 있어서,상기 무결함영역에는 웨이퍼의 깊이 방향으로의 표면과 웨이퍼 내부의 산소농도가 2 내지 5배 차이가 있는 것이 특징인 실리콘 반도체 웨이퍼.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0070062A KR100423752B1 (ko) | 2001-11-12 | 2001-11-12 | 실리콘 반도체 웨이퍼 및 그 제조 방법 |
US10/156,180 US6642123B2 (en) | 2001-11-12 | 2002-05-29 | Method of fabricating a silicon wafer including steps of different temperature ramp-up rates and cool-down rates |
TW091115006A TW557488B (en) | 2001-11-12 | 2002-07-05 | Silicon wafer and fabricating method thereof |
JP2002327248A JP2003282577A (ja) | 2001-11-12 | 2002-11-11 | シリコン半導体ウェハ及びその製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0070062A KR100423752B1 (ko) | 2001-11-12 | 2001-11-12 | 실리콘 반도체 웨이퍼 및 그 제조 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030039122A KR20030039122A (ko) | 2003-05-17 |
KR100423752B1 true KR100423752B1 (ko) | 2004-03-22 |
Family
ID=19715898
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2001-0070062A KR100423752B1 (ko) | 2001-11-12 | 2001-11-12 | 실리콘 반도체 웨이퍼 및 그 제조 방법 |
Country Status (4)
Country | Link |
---|---|
US (1) | US6642123B2 (ko) |
JP (1) | JP2003282577A (ko) |
KR (1) | KR100423752B1 (ko) |
TW (1) | TW557488B (ko) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040176483A1 (en) | 2003-03-05 | 2004-09-09 | Micron Technology, Inc. | Cellular materials formed using surface transformation |
DE10205084B4 (de) * | 2002-02-07 | 2008-10-16 | Siltronic Ag | Verfahren zur thermischen Behandlung einer Siliciumscheibe sowie dadurch hergestellte Siliciumscheibe |
US7563319B2 (en) * | 2003-02-14 | 2009-07-21 | Sumitomo Mitsubishi Silicon Corporation | Manufacturing method of silicon wafer |
US7115480B2 (en) * | 2003-05-07 | 2006-10-03 | Micron Technology, Inc. | Micromechanical strained semiconductor by wafer bonding |
US7273788B2 (en) * | 2003-05-21 | 2007-09-25 | Micron Technology, Inc. | Ultra-thin semiconductors bonded on glass substrates |
US7501329B2 (en) | 2003-05-21 | 2009-03-10 | Micron Technology, Inc. | Wafer gettering using relaxed silicon germanium epitaxial proximity layers |
US6929984B2 (en) * | 2003-07-21 | 2005-08-16 | Micron Technology Inc. | Gettering using voids formed by surface transformation |
KR100531552B1 (ko) * | 2003-09-05 | 2005-11-28 | 주식회사 하이닉스반도체 | 실리콘 웨이퍼 및 그 제조방법 |
JP2005223293A (ja) * | 2004-02-09 | 2005-08-18 | Sumitomo Mitsubishi Silicon Corp | シリコンウェーハの熱処理方法およびシリコンウェーハ |
KR100573473B1 (ko) * | 2004-05-10 | 2006-04-24 | 주식회사 실트론 | 실리콘 웨이퍼 및 그 제조방법 |
JP4667030B2 (ja) * | 2004-12-10 | 2011-04-06 | キヤノン株式会社 | 固体撮像装置用の半導体基板とその製造方法 |
JP4815801B2 (ja) * | 2004-12-28 | 2011-11-16 | 信越半導体株式会社 | シリコンウエーハの研磨方法および製造方法および円板状ワークの研磨装置ならびにシリコンウエーハ |
US7544584B2 (en) | 2006-02-16 | 2009-06-09 | Micron Technology, Inc. | Localized compressive strained semiconductor |
US20080124924A1 (en) * | 2006-07-18 | 2008-05-29 | Applied Materials, Inc. | Scheme for copper filling in vias and trenches |
US7942965B2 (en) * | 2007-03-19 | 2011-05-17 | Applied Materials, Inc. | Method of fabricating plasma reactor parts |
US7977216B2 (en) * | 2008-09-29 | 2011-07-12 | Magnachip Semiconductor, Ltd. | Silicon wafer and fabrication method thereof |
KR101565794B1 (ko) | 2008-12-16 | 2015-11-05 | 삼성전자주식회사 | 게더링 효과를 향상시킬 수 있는 실리콘 기판 및 실리콘 웨이퍼, 상기 실리콘 웨이퍼의 열처리 방법 |
TWI593864B (zh) * | 2011-11-11 | 2017-08-01 | Sumco Corp | Semiconductor manufacturing plant |
DE102014208815B4 (de) * | 2014-05-09 | 2018-06-21 | Siltronic Ag | Verfahren zur Herstellung einer Halbleiterscheibe aus Silizium |
KR102626492B1 (ko) * | 2016-11-14 | 2024-01-17 | 신에쓰 가가꾸 고교 가부시끼가이샤 | 고광전변환효율 태양전지의 제조 방법 및 고광전변환효율 태양전지 |
CN109166799A (zh) * | 2018-09-05 | 2019-01-08 | 德淮半导体有限公司 | 硅片的制备方法 |
CN109559988A (zh) * | 2018-11-30 | 2019-04-02 | 德淮半导体有限公司 | 硅片的制备方法及装置 |
CN114182355B (zh) * | 2021-11-30 | 2023-03-28 | 徐州鑫晶半导体科技有限公司 | 消除间隙型缺陷B-swirl的方法、硅片及电子器件 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06295912A (ja) * | 1993-04-09 | 1994-10-21 | Toshiba Ceramics Co Ltd | シリコンウエハの製造方法およびシリコンウエハ |
WO1998025299A1 (fr) * | 1996-12-03 | 1998-06-11 | Sumitomo Metal Industries., Ltd. | Procede de fabrication d'une tranche epitaxiee semi-conductrice de silicium et d'un dispositif semi-conducteur |
KR19990024037A (ko) * | 1997-08-29 | 1999-03-25 | 니시무로 타이죠 | 반도체장치 및 그 제조방법 |
KR100226374B1 (ko) * | 1995-03-09 | 1999-10-15 | 후지이 아키히로 | 실리콘웨이퍼의 제조방법 |
KR20000056489A (ko) * | 1999-02-22 | 2000-09-15 | 김영환 | 반도체 소자의 웨이퍼 및 그 제조방법 |
KR20010003616A (ko) * | 1999-06-24 | 2001-01-15 | 김영환 | 실리콘 웨이퍼 제조방법 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5994761A (en) | 1997-02-26 | 1999-11-30 | Memc Electronic Materials Spa | Ideal oxygen precipitating silicon wafers and oxygen out-diffusion-less process therefor |
US6548886B1 (en) * | 1998-05-01 | 2003-04-15 | Wacker Nsce Corporation | Silicon semiconductor wafer and method for producing the same |
CN1155064C (zh) * | 1998-09-02 | 2004-06-23 | Memc电子材料有限公司 | 制备理想析氧硅晶片的工艺 |
US6573159B1 (en) * | 1998-12-28 | 2003-06-03 | Shin-Etsu Handotai Co., Ltd. | Method for thermally annealing silicon wafer and silicon wafer |
US20020185053A1 (en) * | 2001-05-24 | 2002-12-12 | Lu Fei | Method for calibrating nanotopographic measuring equipment |
-
2001
- 2001-11-12 KR KR10-2001-0070062A patent/KR100423752B1/ko active IP Right Grant
-
2002
- 2002-05-29 US US10/156,180 patent/US6642123B2/en not_active Expired - Lifetime
- 2002-07-05 TW TW091115006A patent/TW557488B/zh not_active IP Right Cessation
- 2002-11-11 JP JP2002327248A patent/JP2003282577A/ja active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06295912A (ja) * | 1993-04-09 | 1994-10-21 | Toshiba Ceramics Co Ltd | シリコンウエハの製造方法およびシリコンウエハ |
KR100226374B1 (ko) * | 1995-03-09 | 1999-10-15 | 후지이 아키히로 | 실리콘웨이퍼의 제조방법 |
WO1998025299A1 (fr) * | 1996-12-03 | 1998-06-11 | Sumitomo Metal Industries., Ltd. | Procede de fabrication d'une tranche epitaxiee semi-conductrice de silicium et d'un dispositif semi-conducteur |
KR19990024037A (ko) * | 1997-08-29 | 1999-03-25 | 니시무로 타이죠 | 반도체장치 및 그 제조방법 |
KR20000056489A (ko) * | 1999-02-22 | 2000-09-15 | 김영환 | 반도체 소자의 웨이퍼 및 그 제조방법 |
KR20010003616A (ko) * | 1999-06-24 | 2001-01-15 | 김영환 | 실리콘 웨이퍼 제조방법 |
Also Published As
Publication number | Publication date |
---|---|
US20030089967A1 (en) | 2003-05-15 |
KR20030039122A (ko) | 2003-05-17 |
US6642123B2 (en) | 2003-11-04 |
JP2003282577A (ja) | 2003-10-03 |
TW557488B (en) | 2003-10-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100423752B1 (ko) | 실리콘 반도체 웨이퍼 및 그 제조 방법 | |
KR101410546B1 (ko) | 실리콘웨이퍼 및 그의 제조방법 | |
EP1402567B1 (de) | Film oder schicht aus halbleitendem material und verfahren zur herstellung des films oder der schicht | |
KR101340003B1 (ko) | 실리콘 웨이퍼의 제조방법 및 이에 의해 제조된 실리콘 웨이퍼 | |
KR100758088B1 (ko) | 실리콘 웨이퍼의 열처리 방법 | |
US7803228B2 (en) | Process for producing high-resistance silicon wafers and process for producing epitaxial wafers and SOI wafers | |
KR100875909B1 (ko) | Simox 웨이퍼의 제조 방법 및 이 방법에 의해 얻어진simox 웨이퍼 | |
KR20190101414A (ko) | 고유 게터링 및 게이트 산화물 무결성 수율을 갖도록 규소 웨이퍼들을 처리하는 방법 | |
JP5251137B2 (ja) | 単結晶シリコンウェーハおよびその製造方法 | |
WO2016132661A1 (ja) | シリコンウェーハの製造方法 | |
EP1758154A1 (en) | Silicon wafer manufacturing method and silicon wafer | |
TWI553172B (zh) | 由矽構成的半導體晶圓和其製造方法 | |
JP2010034195A (ja) | シリコンウェーハおよびその製造方法 | |
JP2003115491A (ja) | シリコン半導体基板の熱処理方法 | |
JP2009231429A (ja) | シリコンウェーハの製造方法 | |
WO2010131412A1 (ja) | シリコンウェーハおよびその製造方法 | |
KR101089994B1 (ko) | 저온 공정에서 근접 게터링 능력을 갖는 실리콘 웨이퍼 및 그 제조 방법 | |
US6579589B1 (en) | Semiconductor wafer with crystal lattice defects, and process for producing this semiconductor wafer | |
JP4151876B2 (ja) | シリコンウェーハの製造方法 | |
KR100398505B1 (ko) | 단결정 실리콘 웨이퍼의 cop 제거방법 | |
JPH10144696A (ja) | シリコンウエーハ及びその製造方法 | |
KR20200121292A (ko) | 실리콘 단결정웨이퍼의 열처리방법 | |
KR100685260B1 (ko) | 실리콘 웨이퍼의 열처리 방법 | |
KR20030031616A (ko) | 게터링 수단을 가진 단결정 실리콘 웨이퍼 및 그 제조방법 | |
JPS59119842A (ja) | 半導体装置の製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20130111 Year of fee payment: 10 |
|
FPAY | Annual fee payment |
Payment date: 20131223 Year of fee payment: 11 |
|
FPAY | Annual fee payment |
Payment date: 20141223 Year of fee payment: 12 |
|
FPAY | Annual fee payment |
Payment date: 20151223 Year of fee payment: 13 |
|
FPAY | Annual fee payment |
Payment date: 20161227 Year of fee payment: 14 |
|
FPAY | Annual fee payment |
Payment date: 20171222 Year of fee payment: 15 |
|
FPAY | Annual fee payment |
Payment date: 20181226 Year of fee payment: 16 |
|
FPAY | Annual fee payment |
Payment date: 20191219 Year of fee payment: 17 |