KR100673635B1 - 구리 배선용 cmp 슬러리 조성물 - Google Patents
구리 배선용 cmp 슬러리 조성물 Download PDFInfo
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- KR100673635B1 KR100673635B1 KR1020040117101A KR20040117101A KR100673635B1 KR 100673635 B1 KR100673635 B1 KR 100673635B1 KR 1020040117101 A KR1020040117101 A KR 1020040117101A KR 20040117101 A KR20040117101 A KR 20040117101A KR 100673635 B1 KR100673635 B1 KR 100673635B1
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- KR
- South Korea
- Prior art keywords
- compound
- peroxide
- carboxylic acid
- slurry composition
- cmp slurry
- Prior art date
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- 239000002002 slurry Substances 0.000 title claims abstract description 44
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 26
- 239000010949 copper Substances 0.000 title claims abstract description 26
- -1 carboxylic acid compound Chemical class 0.000 claims abstract description 45
- 238000005498 polishing Methods 0.000 claims abstract description 42
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 26
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000000203 mixture Substances 0.000 claims abstract description 22
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000007800 oxidant agent Substances 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 125000003118 aryl group Chemical group 0.000 claims abstract description 11
- 239000008367 deionised water Substances 0.000 claims abstract description 7
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 7
- 239000002904 solvent Substances 0.000 claims abstract description 6
- CYIDZMCFTVVTJO-UHFFFAOYSA-N pyromellitic acid Chemical compound OC(=O)C1=CC(C(O)=O)=C(C(O)=O)C=C1C(O)=O CYIDZMCFTVVTJO-UHFFFAOYSA-N 0.000 claims description 26
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 24
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 13
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- 150000007524 organic acids Chemical class 0.000 claims description 9
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 239000004065 semiconductor Substances 0.000 claims description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- 239000004342 Benzoyl peroxide Substances 0.000 claims description 5
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 claims description 5
- 239000004343 Calcium peroxide Substances 0.000 claims description 5
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 5
- 235000019400 benzoyl peroxide Nutrition 0.000 claims description 5
- LHJQIRIGXXHNLA-UHFFFAOYSA-N calcium peroxide Chemical compound [Ca+2].[O-][O-] LHJQIRIGXXHNLA-UHFFFAOYSA-N 0.000 claims description 5
- 235000019402 calcium peroxide Nutrition 0.000 claims description 5
- PFUVRDFDKPNGAV-UHFFFAOYSA-N sodium peroxide Chemical compound [Na+].[Na+].[O-][O-] PFUVRDFDKPNGAV-UHFFFAOYSA-N 0.000 claims description 5
- 229910052715 tantalum Inorganic materials 0.000 claims description 5
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 4
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 4
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 claims description 4
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 claims description 4
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 claims description 4
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 3
- ZJRXSAYFZMGQFP-UHFFFAOYSA-N barium peroxide Chemical compound [Ba+2].[O-][O-] ZJRXSAYFZMGQFP-UHFFFAOYSA-N 0.000 claims description 3
- 229910017604 nitric acid Inorganic materials 0.000 claims description 3
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims 1
- 229910052750 molybdenum Inorganic materials 0.000 claims 1
- 239000011733 molybdenum Substances 0.000 claims 1
- 150000004706 metal oxides Chemical class 0.000 abstract description 2
- 239000013317 conjugated microporous polymer Substances 0.000 abstract 1
- 229910044991 metal oxide Inorganic materials 0.000 abstract 1
- 238000013021 overheating Methods 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 description 6
- 239000006185 dispersion Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 239000003446 ligand Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 4
- 229910052721 tungsten Inorganic materials 0.000 description 4
- 239000010937 tungsten Substances 0.000 description 4
- WPPDFTBPZNZZRP-UHFFFAOYSA-N aluminum copper Chemical compound [Al].[Cu] WPPDFTBPZNZZRP-UHFFFAOYSA-N 0.000 description 3
- 150000001491 aromatic compounds Chemical class 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 150000002334 glycols Chemical class 0.000 description 3
- 150000002978 peroxides Chemical class 0.000 description 3
- 239000005751 Copper oxide Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 229910000431 copper oxide Inorganic materials 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- ZGHDMISTQPRNRG-UHFFFAOYSA-N dimolybdenum Chemical compound [Mo]#[Mo] ZGHDMISTQPRNRG-UHFFFAOYSA-N 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- SXFBQAMLJMDXOD-UHFFFAOYSA-N (+)-hydrogentartrate bitartrate salt Chemical compound OC(=O)C(O)C(O)C(O)=O.OC(=O)C(O)C(O)C(O)=O SXFBQAMLJMDXOD-UHFFFAOYSA-N 0.000 description 1
- UDBVMAQJOPTWLF-UHFFFAOYSA-N 3-hydroxy-2-(hydroxymethyl)-2-methylpropanoic acid Chemical compound OCC(C)(CO)C(O)=O.OCC(C)(CO)C(O)=O UDBVMAQJOPTWLF-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910001111 Fine metal Inorganic materials 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000007824 aliphatic compounds Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000005380 borophosphosilicate glass Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002738 chelating agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000008119 colloidal silica Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- NIFHFRBCEUSGEE-UHFFFAOYSA-N oxalic acid Chemical compound OC(=O)C(O)=O.OC(=O)C(O)=O NIFHFRBCEUSGEE-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09G—POLISHING COMPOSITIONS; SKI WAXES
- C09G1/00—Polishing compositions
- C09G1/02—Polishing compositions containing abrasives or grinding agents
-
- 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
- H01L21/32115—Planarisation
- H01L21/3212—Planarisation by chemical mechanical polishing [CMP]
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
Abstract
Description
Claims (9)
- 탈이온수를 용매로 하며, 산화제, 연마제, 카르복실산 화합물 및 글리콜을 포함하는 조성물에 있어서,상기 카르복실산 화합물은 아로마틱기를 갖는 카르복실산 화합물인 것을 특징으로 하는 구리 배선용 CMP 슬러리 조성물.
- 제1항에서,상기 산화제는 과산화 화합물과 유기산으로 구성되고, 상기 연마제는 실리카(SiO2), 알루미나(Al2O3), 지르코니아(Zirconia), 몰리브데늄(Molybdenum) 및 세리아(Ceria) 로 구성된 군으로부터 선택된 1종 이상인 것이고, 상기 글리콜화합물은 모노에틸렌글리콜, 디에틸렌글리콜, 트리에틸렌글리콜로 이루어지는 군으로부터 선택된 1종 이상인 것을 특징으로 하는 구리 배선용 CMP 슬러리 조성물.
- 제2항에서,상기 과산화 화합물은 하이드로겐 퍼옥사이드(hydrogen peroxide), 벤조일 퍼옥사이드(benzoyl peroxide), 칼슘 퍼옥사이드(calcium peroxide), 바륨 퍼옥사이드(barium peroxide), 소듐 퍼옥사이드(sodium peroxide) 로 이루어지는 군으로부터 선택된 1종 이상인 것이고,상기 유기산은 질산, 황산, 염산, 인산으로 이루어지는 군으로부터 선택된 1종 이 상인 것을 특징으로 하는 구리 배선용 CMP 슬러리 조성물.
- 제2항에서,상기 과산화 화합물은 0.1중량%∼5중량% 첨가되고, 상기 유기산은 0.001중량%∼0.05중량% 첨가되는 것을 특징으로 하는 구리 배선용 CMP 슬러리 조성물.
- 제1항에서,상기 연마제는 0.1중량%∼20중량% 첨가되고, 상기 글리콜화합물은 0.001중량% ∼2중량% 첨가되는 것을 특징으로 하는 구리 배선용 CMP 슬러리 조성물.
- 제1항에서,상기 아로마틱기를 갖는 카르복실산 화합물은 4가산 아로마틱기를 갖는 카르복실산 화합물인 것을 특징으로 하는 구리 배선용 CMP 슬러리 조성물.
- 제6항에서,상기 4가산 아로마틱기를 갖는 카르복실산 화합물은 피로멜리틱 산(Pyromellitic acid)인 것을 특징으로 하는 구리 배선용 CMP 슬러리 조성물.
- 제1항에서,상기 아로마틱기를 갖는 카르복실산 화합물은 0.01중량% ∼10중량% 첨가되는 것을 특징으로 하는 구리 배선용 CMP 슬러리 조성물.
- 반도체 제조 공정 중 한가지 이상의 금속층을 평탄화 하기 위한 CMP 공정에서, 제1항 내지 제8항 중 어느 하나의 항에 따른 CMP 슬러리 조성물을 사용하여 피연마물로서 구리, 구리합금, 탄탈륨, 질화탄탈륨을 연마하는 것을 특징으로 하는 CMP 공정.
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KR1020040117101A KR100673635B1 (ko) | 2004-12-30 | 2004-12-30 | 구리 배선용 cmp 슬러리 조성물 |
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KR1020040117101A KR100673635B1 (ko) | 2004-12-30 | 2004-12-30 | 구리 배선용 cmp 슬러리 조성물 |
Publications (2)
Publication Number | Publication Date |
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KR20060079333A KR20060079333A (ko) | 2006-07-06 |
KR100673635B1 true KR100673635B1 (ko) | 2007-01-24 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5858813A (en) | 1996-05-10 | 1999-01-12 | Cabot Corporation | Chemical mechanical polishing slurry for metal layers and films |
JP2000243730A (ja) | 1999-02-18 | 2000-09-08 | Tokyo Magnetic Printing Co Ltd | 化学機械研磨組成物 |
KR20040059572A (ko) * | 2002-12-27 | 2004-07-06 | 제일모직주식회사 | 연마속도와 분산안정성이 향상된 텅스텐 배선 연마용슬러리 조성물 |
KR20050019626A (ko) * | 2003-08-20 | 2005-03-03 | 제일모직주식회사 | 구리배선용 cmp 슬러리 조성물 |
-
2004
- 2004-12-30 KR KR1020040117101A patent/KR100673635B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5858813A (en) | 1996-05-10 | 1999-01-12 | Cabot Corporation | Chemical mechanical polishing slurry for metal layers and films |
JP2000243730A (ja) | 1999-02-18 | 2000-09-08 | Tokyo Magnetic Printing Co Ltd | 化学機械研磨組成物 |
KR20040059572A (ko) * | 2002-12-27 | 2004-07-06 | 제일모직주식회사 | 연마속도와 분산안정성이 향상된 텅스텐 배선 연마용슬러리 조성물 |
KR20050019626A (ko) * | 2003-08-20 | 2005-03-03 | 제일모직주식회사 | 구리배선용 cmp 슬러리 조성물 |
Non-Patent Citations (1)
Title |
---|
1020040059572 |
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KR20060079333A (ko) | 2006-07-06 |
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