KR100540477B1 - 반도체 소자의 게이트 전극 형성방법 - Google Patents
반도체 소자의 게이트 전극 형성방법 Download PDFInfo
- Publication number
- KR100540477B1 KR100540477B1 KR1019980025271A KR19980025271A KR100540477B1 KR 100540477 B1 KR100540477 B1 KR 100540477B1 KR 1019980025271 A KR1019980025271 A KR 1019980025271A KR 19980025271 A KR19980025271 A KR 19980025271A KR 100540477 B1 KR100540477 B1 KR 100540477B1
- Authority
- KR
- South Korea
- Prior art keywords
- gate electrode
- film
- semiconductor device
- gate
- forming
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 37
- 239000004065 semiconductor Substances 0.000 title claims abstract description 16
- 230000015572 biosynthetic process Effects 0.000 title description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 28
- 229920005591 polysilicon Polymers 0.000 claims abstract description 28
- 229910052751 metal Inorganic materials 0.000 claims abstract description 14
- 239000002184 metal Substances 0.000 claims abstract description 14
- 238000005530 etching Methods 0.000 claims abstract description 13
- 238000001039 wet etching Methods 0.000 claims abstract description 10
- 238000001312 dry etching Methods 0.000 claims abstract description 8
- 238000000059 patterning Methods 0.000 claims abstract description 8
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical group [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims abstract description 6
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 claims description 10
- 239000000758 substrate Substances 0.000 claims description 5
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 3
- 229910021332 silicide Inorganic materials 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 2
- 229910021642 ultra pure water Inorganic materials 0.000 claims description 2
- 239000012498 ultrapure water Substances 0.000 claims description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims 5
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims 2
- 235000011114 ammonium hydroxide Nutrition 0.000 claims 2
- 239000007864 aqueous solution Substances 0.000 claims 2
- QPJSUIGXIBEQAC-UHFFFAOYSA-N n-(2,4-dichloro-5-propan-2-yloxyphenyl)acetamide Chemical compound CC(C)OC1=CC(NC(C)=O)=C(Cl)C=C1Cl QPJSUIGXIBEQAC-UHFFFAOYSA-N 0.000 claims 1
- 239000000243 solution Substances 0.000 claims 1
- 238000010405 reoxidation reaction Methods 0.000 abstract description 6
- 238000007254 oxidation reaction Methods 0.000 abstract description 5
- 230000002159 abnormal effect Effects 0.000 abstract description 4
- 230000003647 oxidation Effects 0.000 abstract description 4
- WQJQOUPTWCFRMM-UHFFFAOYSA-N tungsten disilicide Chemical compound [Si]#[W]#[Si] WQJQOUPTWCFRMM-UHFFFAOYSA-N 0.000 description 8
- 229910021342 tungsten silicide Inorganic materials 0.000 description 8
- 229920002120 photoresistant polymer Polymers 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 230000010354 integration Effects 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical group [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 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
- H01L21/24—Alloying of impurity materials, e.g. doping materials, electrode materials, with a semiconductor body
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/01—Manufacture or treatment
- H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
- H10D30/0212—Manufacture or treatment of FETs having insulated gates [IGFET] using self-aligned silicidation
Landscapes
- 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)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Electrodes Of Semiconductors (AREA)
- Weting (AREA)
Abstract
Description
Claims (11)
- 반도체 기판 상에 게이트 절연막, 폴리실리콘막, 금속 원소 함유막을 차례로 적층시키는 제1 단계;선택 식각을 통해 상기 금속 원소 함유막 및 상기 폴리실리콘막을 패터닝하여 게이트 전극 구조를 형성하는 제2 단계 - 상기 선택 식각에 의해 상기 폴리실리콘막의 계면 부분의 상기 게이트 절연막이 손상된 - ; 및패터닝된 상기 폴리실리콘막의 측벽을 부분 식각하여 상기 게이트 절연막의 비손상 부분 상에 상기 폴리실리콘막이 잔류하도록 하는 제3 단계를 포함하는 반도체 소자의 게이트 전극 형성방법.
- 제 1 항에 있어서,상기 금속 원소 함유막이 실리사이드막 또는 금속막인 것을 특징으로 하는 반도체 소자의 게이트 전극 형성방법.
- 제 1 항 또는 제 2 항에 있어서,상기 제3 단계가, 암모니아 수용액을 사용한 습식 식각을 통해 이루어지는 것을 특징으로 하는 반도체 소자의 게이트 전극 형성방법.
- 제 1 항 또는 제 2 항에 있어서,상기 제3 단계가, 테트라메틸암모늄하이드록사이드(TMAH) 수용액을 사용한 습식 식각을 통해 이루어지는 것을 특징으로 하는 반도체 소자의 게이트 전극 형성방법.
- 제 1 항에 있어서,상기 제3 단계가, 오존(O3) 및 불산(HF)의 혼합 가스를 사용하는 건식 식각을 통해 이루어지는 것을 특징으로 하는 반도체 소자의 게이트 전극 형성방법.
- 제 3 항에 있어서,상기 제3 단계가, 실질적으로 29wt%의 상기 암모니아 수용액과 초순수를 실질적으로 1:20의 비율로 혼합한 용액을 사용한 습식 식각을 통해 이루어지는 것을 특징으로 하는 반도체 소자의 게이트 전극 형성방법.
- 제 4 항에 있어서,상기 제3 단계가, 실질적으로 2.35wt%의 상기 테트라메틸암모늄하이드록사이드(TMAH) 수용액을 사용한 습식 식각을 통해 이루어지는 것을 특징으로 하는 반도체 소자의 게이트 전극 형성방법.
- 제 5 항에 있어서,상기 제3 단계가, 3~5ℓpm의 상기 오존과 150~200sccm의 상기 불산의 혼합 가스를 사용하는 건식 식각을 통해 이루어지는 것을 특징으로 하는 반도체 소자의 게이트 전극 형성방법.
- 제 6 항에 있어서,상기 제3 단계가, 65 내지 80℃의 온도에서 이루어지는 것을 특징으로 하는 반도체 소자의 게이트 전극 형성방법.
- 제 7 항에 있어서,상기 제3 단계가, 65 내지 75℃의 온도에서 이루어지는 것을 특징으로 하는 반도체 소자의 게이트 전극 형성방법.
- 제 8 항에 있어서,상기 제3 단계가, 실온 및 대기압에서 이루어지는 것을 특징으로 하는 반도체 소자의 게이트 전극 형성방법.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980025271A KR100540477B1 (ko) | 1998-06-30 | 1998-06-30 | 반도체 소자의 게이트 전극 형성방법 |
TW088110650A TW432506B (en) | 1998-06-30 | 1999-06-24 | Method for fabricating a gate electrode of a semiconductor device |
JP11181766A JP2000031116A (ja) | 1998-06-30 | 1999-06-28 | 半導体素子のゲ―ト電極の形成方法 |
US09/343,480 US6551913B1 (en) | 1998-06-30 | 1999-06-30 | Method for fabricating a gate electrode of a semiconductor device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980025271A KR100540477B1 (ko) | 1998-06-30 | 1998-06-30 | 반도체 소자의 게이트 전극 형성방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000003963A KR20000003963A (ko) | 2000-01-25 |
KR100540477B1 true KR100540477B1 (ko) | 2006-03-17 |
Family
ID=19541758
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019980025271A Expired - Fee Related KR100540477B1 (ko) | 1998-06-30 | 1998-06-30 | 반도체 소자의 게이트 전극 형성방법 |
Country Status (4)
Country | Link |
---|---|
US (1) | US6551913B1 (ko) |
JP (1) | JP2000031116A (ko) |
KR (1) | KR100540477B1 (ko) |
TW (1) | TW432506B (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100964272B1 (ko) | 2003-06-25 | 2010-06-16 | 주식회사 하이닉스반도체 | 폴리메탈 게이트 스택 형성 방법 |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3381252B2 (ja) * | 1999-06-30 | 2003-02-24 | 日本電気株式会社 | 半導体装置及びその製造方法 |
US6703320B1 (en) * | 2002-01-04 | 2004-03-09 | Taiwan Semiconductor Manufacturing Company | Successful and easy method to remove polysilicon film |
KR100567624B1 (ko) * | 2004-06-15 | 2006-04-04 | 삼성전자주식회사 | 반도체 장치의 제조 방법 |
KR100583609B1 (ko) * | 2004-07-05 | 2006-05-26 | 삼성전자주식회사 | 반도체 장치의 게이트 구조물 제조방법 및 이를 이용한불휘발성 메모리 장치의 셀 게이트 구조물 제조방법 |
JP4859355B2 (ja) | 2004-08-13 | 2012-01-25 | セイコーエプソン株式会社 | トレンチ素子分離構造の形成方法、半導体基板および半導体装置 |
US7176090B2 (en) * | 2004-09-07 | 2007-02-13 | Intel Corporation | Method for making a semiconductor device that includes a metal gate electrode |
US8070693B2 (en) * | 2004-09-30 | 2011-12-06 | Cook Medical Technologies Llc | Articulating steerable wire guide |
WO2006072975A1 (ja) * | 2005-01-05 | 2006-07-13 | Fujitsu Limited | 半導体装置とその製造方法 |
US7442319B2 (en) * | 2005-06-28 | 2008-10-28 | Micron Technology, Inc. | Poly etch without separate oxide decap |
KR100673228B1 (ko) * | 2005-06-30 | 2007-01-22 | 주식회사 하이닉스반도체 | 낸드 플래쉬 메모리 소자의 제조방법 |
CN101421386B (zh) * | 2005-10-13 | 2011-08-10 | 高级技术材料公司 | 金属相容的光致抗蚀剂和/或牺牲性抗反射涂层去除组合物 |
US8715205B2 (en) * | 2006-08-25 | 2014-05-06 | Cook Medical Tecnologies Llc | Loop tip wire guide |
US20090087993A1 (en) * | 2007-09-28 | 2009-04-02 | Steven Maxwell | Methods and apparatus for cost-effectively increasing feature density using a mask shrinking process with double patterning |
US8232604B2 (en) * | 2008-05-01 | 2012-07-31 | International Business Machines Corporation | Transistor with high-k dielectric sidewall spacer |
US7736981B2 (en) * | 2008-05-01 | 2010-06-15 | International Business Machines Corporation | Metal high dielectric constant transistor with reverse-T gate |
US20090275182A1 (en) * | 2008-05-01 | 2009-11-05 | International Business Machines Corporation | Method for fabricating a metal high dielectric constant transistor with reverse-t gate |
DE102010042229B4 (de) * | 2010-10-08 | 2012-10-25 | Globalfoundries Dresden Module One Limited Liability Company & Co. Kg | Verfahren zum Steigern der Integrität eines Gatestapels mit großem ε durch Erzeugen einer gesteuerten Unterhöhlung auf der Grundlage einer Nasschemie und mit den Verfahren hergestellter Transistor |
US9515673B2 (en) * | 2015-01-19 | 2016-12-06 | Seiko Epson Corporation | D/A conversion circuit, oscillator, electronic apparatus, and moving object |
JP6521219B2 (ja) * | 2015-01-19 | 2019-05-29 | セイコーエプソン株式会社 | D/a変換回路、発振器、電子機器及び移動体 |
US10541139B2 (en) * | 2016-03-24 | 2020-01-21 | Taiwan Semiconductor Manufacturing Co., Ltd. | Planarization control in semiconductor manufacturing process |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6229168A (ja) * | 1985-07-31 | 1987-02-07 | Oki Electric Ind Co Ltd | 半導体装置の製造方法 |
JPH03209775A (ja) * | 1990-01-12 | 1991-09-12 | Matsushita Electron Corp | 半導体装置の製造方法 |
KR19980031096A (ko) * | 1996-10-31 | 1998-07-25 | 김영환 | 반도체 소자의 제조방법 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3304588A1 (de) | 1983-02-10 | 1984-08-16 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zum herstellen von mos-transistoren mit flachen source/drain-gebieten, kurzen kanallaengen und einer selbstjustierten, aus einem metallsilizid bestehenden kontaktierungsebene |
JPS60127761A (ja) | 1983-12-15 | 1985-07-08 | Matsushita Electric Ind Co Ltd | Mosトランジスタの製造方法 |
JPH0644631B2 (ja) | 1987-05-29 | 1994-06-08 | 株式会社東芝 | 半導体装置及びその製造方法 |
JPH03280550A (ja) | 1990-03-29 | 1991-12-11 | Nec Corp | 集積回路装置の製造方法 |
JP3209775B2 (ja) | 1992-01-10 | 2001-09-17 | 株式会社日立製作所 | 複合発電設備およびその運転方法 |
US5334545A (en) * | 1993-02-01 | 1994-08-02 | Allied Signal Inc. | Process for forming self-aligning cobalt silicide T-gates of silicon MOS devices |
JP2626513B2 (ja) | 1993-10-07 | 1997-07-02 | 日本電気株式会社 | 半導体装置の製造方法 |
KR0141195B1 (ko) * | 1994-06-08 | 1998-07-15 | 김광호 | 저저항 게이트전극을 갖는 반도체소자의 제조방법 |
KR960006004A (ko) * | 1994-07-25 | 1996-02-23 | 김주용 | 반도체 소자 및 그 제조방법 |
JP2663905B2 (ja) | 1995-03-30 | 1997-10-15 | 日本電気株式会社 | 半導体装置の製造方法 |
JP3280550B2 (ja) | 1995-10-09 | 2002-05-13 | 株式会社資生堂 | カートリッジ式注射器のストッパー機構 |
JPH10163311A (ja) * | 1996-11-27 | 1998-06-19 | Mitsubishi Electric Corp | 半導体装置およびその製造方法 |
US5796151A (en) * | 1996-12-19 | 1998-08-18 | Texas Instruments Incorporated | Semiconductor stack having a dielectric sidewall for prevention of oxidation of tungsten in tungsten capped poly-silicon gate electrodes |
JPH11154711A (ja) * | 1997-11-20 | 1999-06-08 | Toshiba Corp | 半導体装置の製造方法 |
US6002150A (en) * | 1998-06-17 | 1999-12-14 | Advanced Micro Devices, Inc. | Compound material T gate structure for devices with gate dielectrics having a high dielectric constant |
US6218311B1 (en) * | 1998-06-30 | 2001-04-17 | Texas Instruments Incorporated | Post-etch treatment of a semiconductor device |
-
1998
- 1998-06-30 KR KR1019980025271A patent/KR100540477B1/ko not_active Expired - Fee Related
-
1999
- 1999-06-24 TW TW088110650A patent/TW432506B/zh not_active IP Right Cessation
- 1999-06-28 JP JP11181766A patent/JP2000031116A/ja active Pending
- 1999-06-30 US US09/343,480 patent/US6551913B1/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6229168A (ja) * | 1985-07-31 | 1987-02-07 | Oki Electric Ind Co Ltd | 半導体装置の製造方法 |
JPH03209775A (ja) * | 1990-01-12 | 1991-09-12 | Matsushita Electron Corp | 半導体装置の製造方法 |
KR19980031096A (ko) * | 1996-10-31 | 1998-07-25 | 김영환 | 반도체 소자의 제조방법 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100964272B1 (ko) | 2003-06-25 | 2010-06-16 | 주식회사 하이닉스반도체 | 폴리메탈 게이트 스택 형성 방법 |
Also Published As
Publication number | Publication date |
---|---|
US6551913B1 (en) | 2003-04-22 |
TW432506B (en) | 2001-05-01 |
JP2000031116A (ja) | 2000-01-28 |
KR20000003963A (ko) | 2000-01-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100540477B1 (ko) | 반도체 소자의 게이트 전극 형성방법 | |
US6235621B1 (en) | Method for forming a semiconductor device | |
JP3228230B2 (ja) | 半導体装置の製造方法 | |
KR19990053744A (ko) | 반도체 소자의 게이트전극 형성방법 | |
JP2004006656A (ja) | フォトレジスト及びポリマ残留物の除去方法 | |
KR100356807B1 (ko) | 반도체소자의 게이트 형성방법 | |
KR100278277B1 (ko) | 실리사이드의콘택저항개선을위한반도체소자제조방법 | |
KR20000003973A (ko) | 반도체 소자의 게이트 전극 형성 방법 | |
KR100275340B1 (ko) | 반도체소자의콘택홀형성방법 | |
KR100474541B1 (ko) | 반도체소자의비트라인형성방법 | |
KR950014271B1 (ko) | 폴리실리콘막의 식각 잔류물 제거 방법 | |
KR100451990B1 (ko) | 반도체소자 제조방법 | |
KR100560294B1 (ko) | 반도체 소자의 자기정렬 콘택 형성 방법 | |
KR0147771B1 (ko) | 반도체 소자의 폴리사이드 게이트 전극 형성 방법 | |
US6191019B1 (en) | Method for forming a polysilicon layer in a polycide process flow | |
KR20030059418A (ko) | 반도체 소자의 제조방법 | |
KR100265340B1 (ko) | 반도체소자 제조방법 | |
KR0172774B1 (ko) | 반도체 소자의 접촉창 형성방법 | |
KR0150751B1 (ko) | 잔류 폴리실리콘 제거 방법 | |
KR20020085228A (ko) | 반도체 소자의 게이트 형성방법 | |
JP2002093744A (ja) | 半導体装置の製造方法 | |
KR20040007991A (ko) | 반도체소자의 비트라인 형성방법 | |
KR20050068363A (ko) | 하드 마스크를 이용한 미세 패턴 형성 방법 | |
KR100221625B1 (ko) | 도선의 형성 방법 | |
KR100265010B1 (ko) | 반도체 소자의 콘택 홀 형성 방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19980630 |
|
PG1501 | Laying open of application | ||
A201 | Request for examination | ||
PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 20030407 Comment text: Request for Examination of Application Patent event code: PA02011R01I Patent event date: 19980630 Comment text: Patent Application |
|
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20050322 Patent event code: PE09021S01D |
|
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20051215 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20051226 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 20051227 End annual number: 3 Start annual number: 1 |
|
PG1601 | Publication of registration | ||
PR1001 | Payment of annual fee |
Payment date: 20081125 Start annual number: 4 End annual number: 4 |
|
PR1001 | Payment of annual fee |
Payment date: 20091126 Start annual number: 5 End annual number: 5 |
|
PR1001 | Payment of annual fee |
Payment date: 20101125 Start annual number: 6 End annual number: 6 |
|
FPAY | Annual fee payment |
Payment date: 20111121 Year of fee payment: 7 |
|
PR1001 | Payment of annual fee |
Payment date: 20111121 Start annual number: 7 End annual number: 7 |
|
FPAY | Annual fee payment |
Payment date: 20121121 Year of fee payment: 8 |
|
PR1001 | Payment of annual fee |
Payment date: 20121121 Start annual number: 8 End annual number: 8 |
|
LAPS | Lapse due to unpaid annual fee | ||
PC1903 | Unpaid annual fee |