KR100352661B1 - 반도체 소자 배선용 구리 박막의 증착속도를 높이기 위한전처리 세정방법 - Google Patents
반도체 소자 배선용 구리 박막의 증착속도를 높이기 위한전처리 세정방법 Download PDFInfo
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- KR100352661B1 KR100352661B1 KR1020000006155A KR20000006155A KR100352661B1 KR 100352661 B1 KR100352661 B1 KR 100352661B1 KR 1020000006155 A KR1020000006155 A KR 1020000006155A KR 20000006155 A KR20000006155 A KR 20000006155A KR 100352661 B1 KR100352661 B1 KR 100352661B1
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- South Korea
- Prior art keywords
- copper
- layer
- thin film
- film
- wiring
- Prior art date
Links
- 239000010949 copper Substances 0.000 title claims abstract description 122
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 118
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 117
- 239000004065 semiconductor Substances 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000008021 deposition Effects 0.000 title description 16
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims abstract description 94
- 229910052763 palladium Inorganic materials 0.000 claims abstract description 47
- 239000010409 thin film Substances 0.000 claims abstract description 44
- 239000000758 substrate Substances 0.000 claims abstract description 36
- 238000004519 manufacturing process Methods 0.000 claims abstract description 16
- 239000010408 film Substances 0.000 claims description 53
- 238000004544 sputter deposition Methods 0.000 claims description 19
- 238000005229 chemical vapour deposition Methods 0.000 claims description 13
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 11
- 239000001257 hydrogen Substances 0.000 claims description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 4
- 239000012159 carrier gas Substances 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 78
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 26
- 238000000151 deposition Methods 0.000 description 16
- 238000009792 diffusion process Methods 0.000 description 16
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 14
- 229910052710 silicon Inorganic materials 0.000 description 13
- 239000010703 silicon Substances 0.000 description 13
- 230000004888 barrier function Effects 0.000 description 12
- 239000000463 material Substances 0.000 description 11
- 239000010936 titanium Substances 0.000 description 11
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 239000003870 refractory metal Substances 0.000 description 6
- 238000001878 scanning electron micrograph Methods 0.000 description 6
- 229910000838 Al alloy Inorganic materials 0.000 description 5
- 230000027756 respiratory electron transport chain Effects 0.000 description 5
- 229910052721 tungsten Inorganic materials 0.000 description 5
- 229910004298 SiO 2 Inorganic materials 0.000 description 4
- 238000002441 X-ray diffraction Methods 0.000 description 4
- 230000004913 activation Effects 0.000 description 4
- 239000012298 atmosphere Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 239000002243 precursor Substances 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000009834 vaporization Methods 0.000 description 4
- 230000008016 vaporization Effects 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 229910016344 CuSi Inorganic materials 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- 150000004767 nitrides Chemical class 0.000 description 3
- 238000005121 nitriding Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 3
- 239000010937 tungsten Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910010282 TiON Inorganic materials 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 229910000765 intermetallic Inorganic materials 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000000059 patterning Methods 0.000 description 2
- 238000000053 physical method Methods 0.000 description 2
- 238000009832 plasma treatment Methods 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- 229910021332 silicide Inorganic materials 0.000 description 2
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 2
- 229910052715 tantalum Inorganic materials 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 239000012691 Cu precursor Substances 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 101150003085 Pdcl gene Proteins 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 235000019892 Stellar Nutrition 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000012300 argon atmosphere Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000002800 charge carrier Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007772 electroless plating Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000001755 magnetron sputter deposition Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- -1 palladium ions Chemical class 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005546 reactive sputtering Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000004626 scanning electron microscopy Methods 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- 238000005211 surface analysis Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- H01L21/70—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
-
- 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
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/283—Deposition of conductive or insulating materials for electrodes conducting electric current
- H01L21/285—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation
- H01L21/28506—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers
- H01L21/28512—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising elements of Group IV of the Periodic Table
- H01L21/28556—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising elements of Group IV of the Periodic Table by chemical means, e.g. CVD, LPCVD, PECVD, laser CVD
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/52—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames
- H01L23/522—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body
- H01L23/532—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body characterised by the materials
- H01L23/53204—Conductive materials
- H01L23/53209—Conductive materials based on metals, e.g. alloys, metal silicides
- H01L23/53228—Conductive materials based on metals, e.g. alloys, metal silicides the principal metal being copper
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
층간 연결 재료 | 활성화 에너지a |
알루미늄-실리콘 | 0.427 eV |
알루미늄-실리콘-구리 | 0.617 eV |
순수한 알루미늄 | 0.591 eV |
구리b | 1.225 eV |
a:도 1로부터 최소자승법으로 구한 것.b: 450 ℃에서 30분간 열처리한 것. |
Claims (9)
- 삭제
- 삭제
- 삭제
- 1) 기판 (1)의 온도가 0∼100℃, rf전력 (radio-frequency power) 1∼4 kw의 스퍼터링 조건에 의해 기판 (1) 위에 하지막 (2)을 형성하는 단게 (단계 1);2) 스퍼터링 법에 의해 하지막 (2) 위에 팔라듐 층 (3)을 형성하는 단계 (단계 2); 및3) 화학 기상 증착법 (chemical vapor deposition)에 의해 팔라듐 층 (3) 위에 구리층 (4)을 형성하는 단계 (단계 3)로 이루어지는 반도체 소자 배선용 구리 박막의 제조방법.
- 삭제
- 제 4항에 있어서, 단계 2의 스퍼터링은 300∼400 ℃, rf전력 2∼5 kw에서 실시하는 것을 특징으로 하는 반도체 소자 배선용 구리 박막의 제조방법.
- 제 4항에 있어서, 단계 3의 화학 기상 증착에서 기판 온도는 130∼270℃인 것을 특징으로 하는 반도체 소자 배선용 구리 박막의 제조방법.
- 제 4항에 있어서, 단계 3의 화학 기상 증착에서 운반기체는 수소이고 기체 유속이 100∼300 sccm인 것을 특징으로 하는 반도체 소자 배선용 구리 박막의 제조방법.
- 제 4항에 있어서, 단계 3의 화학 기상 증착에서 버블러의 온도는 10∼70 ℃이고 버블러의 압력은 40∼120 torr인 것을 특징으로 하는 반도체 소자 배선용 구리 박막의 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020000006155A KR100352661B1 (ko) | 2000-02-10 | 2000-02-10 | 반도체 소자 배선용 구리 박막의 증착속도를 높이기 위한전처리 세정방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020000006155A KR100352661B1 (ko) | 2000-02-10 | 2000-02-10 | 반도체 소자 배선용 구리 박막의 증착속도를 높이기 위한전처리 세정방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010081170A KR20010081170A (ko) | 2001-08-29 |
KR100352661B1 true KR100352661B1 (ko) | 2002-09-12 |
Family
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KR1020000006155A KR100352661B1 (ko) | 2000-02-10 | 2000-02-10 | 반도체 소자 배선용 구리 박막의 증착속도를 높이기 위한전처리 세정방법 |
Country Status (1)
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4109297A (en) * | 1975-05-12 | 1978-08-22 | Bell Telephone Laboratories, Incorporated | Conduction system for thin film and hybrid integrated circuits |
KR940010224A (ko) * | 1992-10-30 | 1994-05-24 | 오레그 이. 엘버 | 절연 기판의 주표면상에 박막 성분 및 전기적 상호 연결부를 포함하는 회로 및 그의 형성 방법 |
KR950003467A (ko) * | 1993-07-02 | 1995-02-16 | 조말수 | 내입계 부식성이 우수한 페라이트계 스테인레스강 제조방법 |
JPH07283197A (ja) * | 1994-03-28 | 1995-10-27 | At & T Corp | 金属製導電体を有する基板の形成方法 |
JPH08139148A (ja) * | 1994-11-10 | 1996-05-31 | Matsushita Electric Works Ltd | 導体回路のワイヤーボンディング性の検査方法 |
US5622895A (en) * | 1994-05-09 | 1997-04-22 | Lucent Technologies Inc. | Metallization for polymer-dielectric multichip modules |
-
2000
- 2000-02-10 KR KR1020000006155A patent/KR100352661B1/ko not_active IP Right Cessation
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4109297A (en) * | 1975-05-12 | 1978-08-22 | Bell Telephone Laboratories, Incorporated | Conduction system for thin film and hybrid integrated circuits |
KR940010224A (ko) * | 1992-10-30 | 1994-05-24 | 오레그 이. 엘버 | 절연 기판의 주표면상에 박막 성분 및 전기적 상호 연결부를 포함하는 회로 및 그의 형성 방법 |
KR950003467A (ko) * | 1993-07-02 | 1995-02-16 | 조말수 | 내입계 부식성이 우수한 페라이트계 스테인레스강 제조방법 |
JPH07283197A (ja) * | 1994-03-28 | 1995-10-27 | At & T Corp | 金属製導電体を有する基板の形成方法 |
US5622895A (en) * | 1994-05-09 | 1997-04-22 | Lucent Technologies Inc. | Metallization for polymer-dielectric multichip modules |
JPH08139148A (ja) * | 1994-11-10 | 1996-05-31 | Matsushita Electric Works Ltd | 導体回路のワイヤーボンディング性の検査方法 |
Also Published As
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KR20010081170A (ko) | 2001-08-29 |
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