KR100347555B1 - 용량소자 형성방법 - Google Patents
용량소자 형성방법 Download PDFInfo
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- KR100347555B1 KR100347555B1 KR1019990049649A KR19990049649A KR100347555B1 KR 100347555 B1 KR100347555 B1 KR 100347555B1 KR 1019990049649 A KR1019990049649 A KR 1019990049649A KR 19990049649 A KR19990049649 A KR 19990049649A KR 100347555 B1 KR100347555 B1 KR 100347555B1
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- South Korea
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- hsg
- furnace
- wafer
- temperature
- forming
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 39
- 238000004519 manufacturing process Methods 0.000 title description 2
- 239000003990 capacitor Substances 0.000 claims abstract description 28
- 239000001257 hydrogen Substances 0.000 claims abstract description 23
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 23
- 239000000758 substrate Substances 0.000 claims abstract description 20
- 229910021417 amorphous silicon Inorganic materials 0.000 claims abstract description 16
- 239000004065 semiconductor Substances 0.000 claims abstract description 16
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 12
- 239000012535 impurity Substances 0.000 claims abstract description 9
- 230000003647 oxidation Effects 0.000 claims abstract description 6
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 6
- 230000002401 inhibitory effect Effects 0.000 claims abstract description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract 2
- 238000010438 heat treatment Methods 0.000 claims description 33
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 24
- 239000002019 doping agent Substances 0.000 claims description 22
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 21
- 239000012298 atmosphere Substances 0.000 claims description 17
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 16
- 230000008569 process Effects 0.000 claims description 14
- 239000007789 gas Substances 0.000 claims description 13
- 229910052710 silicon Inorganic materials 0.000 claims description 13
- 239000010703 silicon Substances 0.000 claims description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 12
- 239000001301 oxygen Substances 0.000 claims description 12
- 229910052760 oxygen Inorganic materials 0.000 claims description 12
- 239000011261 inert gas Substances 0.000 claims description 9
- 230000002829 reductive effect Effects 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 230000007717 exclusion Effects 0.000 claims 1
- 238000002513 implantation Methods 0.000 claims 1
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 238000009792 diffusion process Methods 0.000 description 23
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 22
- 229910052698 phosphorus Inorganic materials 0.000 description 22
- 239000011574 phosphorus Substances 0.000 description 22
- 235000012431 wafers Nutrition 0.000 description 15
- 229910004298 SiO 2 Inorganic materials 0.000 description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 7
- 230000007423 decrease Effects 0.000 description 7
- 229910001873 dinitrogen Inorganic materials 0.000 description 7
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 6
- 239000011229 interlayer Substances 0.000 description 6
- 238000012986 modification Methods 0.000 description 6
- 230000004048 modification Effects 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000007790 solid phase Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 229910052785 arsenic Inorganic materials 0.000 description 3
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 150000002894 organic compounds Chemical class 0.000 description 3
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 3
- 229920005591 polysilicon Polymers 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 229910021332 silicide Inorganic materials 0.000 description 3
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 239000005360 phosphosilicate glass Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- PZPGRFITIJYNEJ-UHFFFAOYSA-N disilane Chemical compound [SiH3][SiH3] PZPGRFITIJYNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hcl hcl Chemical compound Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 150000003376 silicon Chemical class 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D1/00—Resistors, capacitors or inductors
- H10D1/60—Capacitors
- H10D1/68—Capacitors having no potential barriers
- H10D1/692—Electrodes
- H10D1/711—Electrodes having non-planar surfaces, e.g. formed by texturisation
- H10D1/712—Electrodes having non-planar surfaces, e.g. formed by texturisation being rough surfaces, e.g. using hemispherical grains
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B12/00—Dynamic random access memory [DRAM] devices
- H10B12/01—Manufacture or treatment
- H10B12/02—Manufacture or treatment for one transistor one-capacitor [1T-1C] memory cells
- H10B12/03—Making the capacitor or connections thereto
- H10B12/033—Making the capacitor or connections thereto the capacitor extending over the transistor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S438/00—Semiconductor device manufacturing: process
- Y10S438/964—Roughened surface
Landscapes
- Semiconductor Memories (AREA)
- Semiconductor Integrated Circuits (AREA)
Abstract
Description
Claims (10)
- 반도체기판상의 용량소자 형성방법에 있어서:HSG처리를 이용하여 비정질실리콘막에 HSG가 형성되도록 처리하는 단계와 상기 HSG에 불순물을 주입하는 단계를 구비하여 HSG를 갖는 하부전극을 형성하는 단계; 및상기 하부전극상에 유전막과 상부전극을 연속적으로 형성하는 단계를 포함하며,상기 HSG처리를 이용하여 비정질실리콘막에 HSG가 형성되도록 처리하는 단계와 상기 불순물주입단계사이에 HSG의 표면상에 산화저지처리를 수행하는 것을 특징으로 하는 용량소자 형성방법.
- 제 1 항에 있어서, 상기 산화저지처리는 웨이퍼를 희석플루오르화수소산으로 세정함으로써 수행되는 수소종단처리인 것을 특징으로 하는 용량소자 형성방법.
- 반도체기판상에 실리콘막으로 구성된 제 1 전극, 유전막, 그리고 제 2 전극을 구비하는 용량소자 형성방법에 있어서:상기 제 1 전극의 표면상에 HSG를 형성하는 단계;열처리노에서 웨이퍼를 불활성가스분위기에서 유지하고 상기 열처리노의 웨이퍼입구와 상기 입구부근의 온도를 450℃미만으로 유지하는 단계;불활성가스분위기에서 유지되는 수소종단처리후의 웨이퍼를 상기 노로 이송하는 단계; 및상기 노내에서 실리콘과 반응하지 않는 도펀트가스를 갖는 분위기에서 600∼800℃의 온도로 상기 제 1 전극을 열처리하는 단계를 구비하며,상기 HSG형성단계 후에, 상기 제 1 전극의 HSG표면상에 존재하는 실리콘원자를 수소종단처리하는 것을 특징으로 하는 용량소자 형성방법.
- 제 3 항에 있어서, 상기 수소종단처리단계에서, 상기 웨이퍼를 희석플루오르화수소산으로 세정하여 상기 수소종단처리를 수행하는 것을 특징으로 하는 용량소자 형성방법.
- 제 3 항에 있어서, 상기 수소종단처리는, 웨이퍼상에서, 산소함유분위기 또는 산소배제분위기에서 100℃이하의 온도로 수행되고, 불활성가스분위기에서 유지되는 웨이퍼가 상기 노로 이송되는 것을 특징으로 하는 용량소자 형성방법.
- 제 3 항에 있어서, 상기 노로부터 불활성가스를 유출시키고 상기 수소종단처리후의 웨이퍼를 상기 불활성가스기류를 통해 상기 노내로 이송하는 것을 특징으로 하는 용량소자 형성방법.
- 제 3 항에 있어서, 웨이퍼가 이송되면 상기 노의 내부를 흡입하여 진공상태로 만든 후에, 도펀트가스를 주입하고, 노내의 온도를 600∼800℃로 승온시키는 것을 특징으로 하는 용량소자 형성방법.
- 제 3 항에 있어서, 열처리노로서 배치형의 종형감압열처리노가 사용되는 것을 특징으로 하는 용량소자 형성방법.
- 제 8 항에 있어서, 상기 노는 불활성가스분위기에서 450℃이하의 온도로 유지되는 로드락실을 구비하고, 상기 수소종단처리가 수행된 웨이퍼를 상기 로드락실로 이송하고 로드락실을 진공상태로 만들거나 또는 불활성가스로 채운 후, 상기 웨이퍼를 상기 로드락실에서 실리콘과 반응하지 않는 도펀트가스분위기를 갖는 노로 이송한 다음, 600∼800℃의 온도에서의 상기 열처리가 수행되는 것을 특징으로 하는 용량소자 형성방법.
- 제 3 항에 있어서, 상기 도펀트가스는 AsH3또는 PH3인 것을 특징으로 하는 용량소자 형성방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10320583A JP3125770B2 (ja) | 1998-11-11 | 1998-11-11 | 容量素子の形成方法 |
JP10-320583 | 1998-11-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000035373A KR20000035373A (ko) | 2000-06-26 |
KR100347555B1 true KR100347555B1 (ko) | 2002-08-07 |
Family
ID=18123050
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019990049649A KR100347555B1 (ko) | 1998-11-11 | 1999-11-10 | 용량소자 형성방법 |
Country Status (3)
Country | Link |
---|---|
US (1) | US6232178B1 (ko) |
JP (1) | JP3125770B2 (ko) |
KR (1) | KR100347555B1 (ko) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3211888B2 (ja) * | 1998-12-07 | 2001-09-25 | 日本電気株式会社 | 半導体集積回路装置の製造方法 |
US6403455B1 (en) * | 2000-08-31 | 2002-06-11 | Samsung Austin Semiconductor, L.P. | Methods of fabricating a memory device |
JP4876306B2 (ja) * | 2000-10-19 | 2012-02-15 | ソニー株式会社 | 半導体装置の製造方法 |
KR100418573B1 (ko) * | 2001-09-14 | 2004-02-11 | 주식회사 하이닉스반도체 | 반도체소자의 제조 방법 |
US20040048033A1 (en) * | 2002-09-11 | 2004-03-11 | Osram Opto Semiconductors (Malaysia) Sdn. Bhd. | Oled devices with improved encapsulation |
US7224116B2 (en) * | 2002-09-11 | 2007-05-29 | Osram Opto Semiconductors Gmbh | Encapsulation of active electronic devices |
US6887733B2 (en) * | 2002-09-11 | 2005-05-03 | Osram Opto Semiconductors (Malaysia) Sdn. Bhd | Method of fabricating electronic devices |
US7193364B2 (en) * | 2002-09-12 | 2007-03-20 | Osram Opto Semiconductors (Malaysia) Sdn. Bhd | Encapsulation for organic devices |
KR100522427B1 (ko) * | 2002-12-30 | 2005-10-20 | 주식회사 하이닉스반도체 | 반도체 소자의 캐패시터 제조방법 |
KR100520600B1 (ko) * | 2003-02-17 | 2005-10-10 | 주식회사 하이닉스반도체 | 반도체소자의 캐패시터 제조방법 |
US20040238846A1 (en) * | 2003-05-30 | 2004-12-02 | Georg Wittmann | Organic electronic device |
US6887755B2 (en) * | 2003-09-05 | 2005-05-03 | Micron Technology, Inc. | Methods of forming rugged silicon-containing surfaces |
US20060145599A1 (en) * | 2005-01-04 | 2006-07-06 | Reza Stegamat | OLEDs with phosphors |
CN101263589B (zh) * | 2005-09-13 | 2010-08-25 | 大见忠弘 | 半导体装置的制造方法及半导体制造装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0714797A (ja) * | 1993-06-03 | 1995-01-17 | Micron Semiconductor Inc | 半球粒状面性多結晶シリコンの均一ドーピング方法 |
JPH09289292A (ja) * | 1996-04-23 | 1997-11-04 | Oki Electric Ind Co Ltd | 半導体装置の製造方法 |
JPH10189778A (ja) * | 1996-12-26 | 1998-07-21 | Sony Corp | 半導体記憶素子およびその製造方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05343614A (ja) | 1992-06-09 | 1993-12-24 | Oki Electric Ind Co Ltd | 半導体素子の製造方法 |
JP2830705B2 (ja) | 1993-07-22 | 1998-12-02 | 日本電気株式会社 | 半導体装置の製造方法 |
JP2833545B2 (ja) * | 1995-03-06 | 1998-12-09 | 日本電気株式会社 | 半導体装置の製造方法 |
US5634974A (en) * | 1995-11-03 | 1997-06-03 | Micron Technologies, Inc. | Method for forming hemispherical grained silicon |
US6027970A (en) * | 1996-05-17 | 2000-02-22 | Micron Technology, Inc. | Method of increasing capacitance of memory cells incorporating hemispherical grained silicon |
US5976931A (en) * | 1996-08-30 | 1999-11-02 | United Microelectronics Corp. | Method for increasing capacitance |
US6013555A (en) * | 1996-08-30 | 2000-01-11 | United Microelectronics Corp. | Process for rounding an intersection between an HSG-SI grain and a polysilicon layer |
KR100253086B1 (ko) * | 1997-07-25 | 2000-04-15 | 윤종용 | 반도체장치제조를위한세정용조성물및이를이용한반도체장치의제조방법 |
-
1998
- 1998-11-11 JP JP10320583A patent/JP3125770B2/ja not_active Expired - Fee Related
-
1999
- 1999-11-10 KR KR1019990049649A patent/KR100347555B1/ko not_active IP Right Cessation
- 1999-11-12 US US09/439,251 patent/US6232178B1/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0714797A (ja) * | 1993-06-03 | 1995-01-17 | Micron Semiconductor Inc | 半球粒状面性多結晶シリコンの均一ドーピング方法 |
JPH09289292A (ja) * | 1996-04-23 | 1997-11-04 | Oki Electric Ind Co Ltd | 半導体装置の製造方法 |
JPH10189778A (ja) * | 1996-12-26 | 1998-07-21 | Sony Corp | 半導体記憶素子およびその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
KR20000035373A (ko) | 2000-06-26 |
JP3125770B2 (ja) | 2001-01-22 |
JP2000150793A (ja) | 2000-05-30 |
US6232178B1 (en) | 2001-05-15 |
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