KR100841371B1 - 박막 트랜지스터 및 그의 제조방법 - Google Patents
박막 트랜지스터 및 그의 제조방법 Download PDFInfo
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- KR100841371B1 KR100841371B1 KR1020060130182A KR20060130182A KR100841371B1 KR 100841371 B1 KR100841371 B1 KR 100841371B1 KR 1020060130182 A KR1020060130182 A KR 1020060130182A KR 20060130182 A KR20060130182 A KR 20060130182A KR 100841371 B1 KR100841371 B1 KR 100841371B1
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- film
- silicon layer
- gate electrode
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- metal
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- 238000000034 method Methods 0.000 title claims abstract description 37
- 239000010409 thin film Substances 0.000 title claims abstract description 26
- 239000010408 film Substances 0.000 claims abstract description 83
- 229910021417 amorphous silicon Inorganic materials 0.000 claims abstract description 35
- 238000002425 crystallisation Methods 0.000 claims abstract description 33
- 229910052751 metal Inorganic materials 0.000 claims abstract description 33
- 239000002184 metal Substances 0.000 claims abstract description 33
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 32
- 239000000758 substrate Substances 0.000 claims abstract description 32
- 230000008025 crystallization Effects 0.000 claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 claims abstract description 21
- 229910021332 silicide Inorganic materials 0.000 claims abstract description 12
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 11
- 150000004706 metal oxides Chemical class 0.000 claims abstract description 11
- 239000000203 mixture Substances 0.000 claims abstract description 8
- 238000000059 patterning Methods 0.000 claims abstract description 7
- 230000006698 induction Effects 0.000 claims abstract description 6
- 239000007772 electrode material Substances 0.000 claims abstract description 5
- 238000010438 heat treatment Methods 0.000 claims description 9
- 239000012808 vapor phase Substances 0.000 claims description 4
- LKTZODAHLMBGLG-UHFFFAOYSA-N alumanylidynesilicon;$l^{2}-alumanylidenesilylidenealuminum Chemical compound [Si]#[Al].[Si]#[Al].[Al]=[Si]=[Al] LKTZODAHLMBGLG-UHFFFAOYSA-N 0.000 claims description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 2
- 229910000480 nickel oxide Inorganic materials 0.000 claims 1
- 229910021334 nickel silicide Inorganic materials 0.000 claims 1
- RUFLMLWJRZAWLJ-UHFFFAOYSA-N nickel silicide Chemical compound [Ni]=[Si]=[Ni] RUFLMLWJRZAWLJ-UHFFFAOYSA-N 0.000 claims 1
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 5
- 239000010410 layer Substances 0.000 description 66
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 7
- 229910052710 silicon Inorganic materials 0.000 description 7
- 239000010703 silicon Substances 0.000 description 7
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 6
- 150000002736 metal compounds Chemical class 0.000 description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 5
- 239000011521 glass Substances 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 5
- OFIYHXOOOISSDN-UHFFFAOYSA-N tellanylidenegallium Chemical compound [Te]=[Ga] OFIYHXOOOISSDN-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 229910052581 Si3N4 Inorganic materials 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 3
- 229910052814 silicon oxide Inorganic materials 0.000 description 3
- 239000002356 single layer Substances 0.000 description 3
- 239000007790 solid phase Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000007715 excimer laser crystallization Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000010899 nucleation Methods 0.000 description 2
- 230000006911 nucleation Effects 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 229920002120 photoresistant polymer Polymers 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910021586 Nickel(II) chloride Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- -1 aluminum halogen compound Chemical class 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000005240 physical vapour deposition Methods 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
- H01L29/78651—Silicon transistors
- H01L29/7866—Non-monocrystalline silicon transistors
- H01L29/78672—Polycrystalline or microcrystalline silicon transistor
- H01L29/78678—Polycrystalline or microcrystalline silicon transistor with inverted-type structure, e.g. with bottom gate
-
- 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
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02656—Special treatments
- H01L21/02664—Aftertreatments
- H01L21/02667—Crystallisation or recrystallisation of non-monocrystalline semiconductor materials, e.g. regrowth
- H01L21/02672—Crystallisation or recrystallisation of non-monocrystalline semiconductor materials, e.g. regrowth using crystallisation enhancing elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
- H01L29/78606—Thin film transistors, i.e. transistors with a channel being at least partly a thin film with supplementary region or layer in the thin film or in the insulated bulk substrate supporting it for controlling or increasing the safety of the device
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Ceramic Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Thin Film Transistor (AREA)
- Recrystallisation Techniques (AREA)
Abstract
Description
Claims (8)
- 기판;상기 기판 상에 위치하는 게이트 전극;상기 게이트 전극 상에 위치하는 게이트 절연막;상기 게이트 절연막 상에 위치하는 다결정 실리콘층;상기 다결정 실리콘층 상에 위치하며, 게이트 전극에 대응되게 위치하는 금속 실리사이드막 및 금속 산화막의 혼합막; 및상기 혼합막 및 다결정 실리콘층 상의 일부에 위치하되, 게이트 전극에 대응되는 위치의 일부분은 개구되어 있는 소스/드레인 전극을 특징으로 하는 박막 트랜지스터.
- 제 1 항에 있어서,상기 금속 실리사이드막은 알루미늄 실리사이드막 또는 니켈 실리사이드막이고, 상기 금속산화막은 알루미늄 산화막 또는 니켈 산화막인 것을 특징으로 하는 박막 트랜지스터.
- 제 1 항에 있어서,상기 혼합막은 두께가 15Å 내지 100Å인 것을 포함하는 박막 트랜지스터.
- 제 1 항에 있어서,상기 혼합막은 다결정 실리콘층의 채널영역의 너비보다 넓은 너비를 갖는 것을 특징으로 하는 박막 트랜지스터.
- 기판을 제공하고,상기 기판 상에 게이트 전극을 형성하고,상기 게이트 전극 상에 게이트 절연막을 형성하고,상기 게이트 절연막 상에 비정질 실리콘층을 형성하고,금속 혼합물 가스를 제공하여 상기 비정질 실리콘층을 결정화하여 다결정 실리콘층으로 형성하면서 금속 실리사이드막 및 금속 산화막의 혼합막을 형성하고,상기 혼합막을 패터닝하여 게이트 전극에 대응되는 영역에 위치하도록 형성하고,상기 혼합막을 포함하는 기판 전면에 소스/드레인 전극 물질을 형성하고,상기 소스/드레인 전극 물질을 패터닝하여 소스/드레인 전극을 형성하는 것을 포함하는 것을 특징으로 하는 박막 트랜지스터의 제조 방법.
- 제 5 항에 있어서,상기 결정화는 기상 유도 결정화(Vapor Induced Crystallization: VIC)법으로 결정화하는 것을 포함하는 박막 트랜지스터의 제조 방법.
- 제 6 항에 있어서,상기 기상 유도 결정화는 비정질 실리콘층을 100 내지 700℃에서 금속 혼합물 분위기에 5분 내지 5시간 동안 열처리 한후, 450 내지 700℃에서 5분 내지 5시간 동안 열처리하는 것을 포함하는 박막 트랜지스터의 제조 방법.
- 제 6 항에 있어서,상기 기상 유도 결정화는 비정질 실리콘층을 금속 혼합물 분위기에 노출시키면서 450 내지 700℃에서 5분 내지 5시간 동안 열처리를 수행하는 것을 포함하는 박막 트랜지스터의 제조 방법.
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KR1020060130182A KR100841371B1 (ko) | 2006-12-19 | 2006-12-19 | 박막 트랜지스터 및 그의 제조방법 |
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JP5245287B2 (ja) * | 2007-05-18 | 2013-07-24 | ソニー株式会社 | 半導体装置の製造方法、薄膜トランジスタ基板の製造方法および表示装置の製造方法 |
KR101626362B1 (ko) * | 2009-11-23 | 2016-06-02 | 엘지디스플레이 주식회사 | 박막 트랜지스터 기판의 제조방법 |
CN112885851B (zh) * | 2021-01-29 | 2024-04-05 | 合肥维信诺科技有限公司 | 阵列基板及阵列基板的制备方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19990081221A (ko) * | 1998-04-28 | 1999-11-15 | 장진 | 단순공정에의한비정질실리콘박막트랜지스터와액정표시소자(lcd)제조방법 |
KR20060030816A (ko) * | 2004-10-06 | 2006-04-11 | 삼성에스디아이 주식회사 | 바텀 게이트형 박막트랜지스터, 그를 구비하는평판표시장치 및 박막트랜지스터의 제조방법 |
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Publication number | Priority date | Publication date | Assignee | Title |
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KR19990081221A (ko) * | 1998-04-28 | 1999-11-15 | 장진 | 단순공정에의한비정질실리콘박막트랜지스터와액정표시소자(lcd)제조방법 |
KR20060030816A (ko) * | 2004-10-06 | 2006-04-11 | 삼성에스디아이 주식회사 | 바텀 게이트형 박막트랜지스터, 그를 구비하는평판표시장치 및 박막트랜지스터의 제조방법 |
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