JP2004040064A - 不揮発性メモリとその製造方法 - Google Patents
不揮発性メモリとその製造方法 Download PDFInfo
- Publication number
- JP2004040064A JP2004040064A JP2002226715A JP2002226715A JP2004040064A JP 2004040064 A JP2004040064 A JP 2004040064A JP 2002226715 A JP2002226715 A JP 2002226715A JP 2002226715 A JP2002226715 A JP 2002226715A JP 2004040064 A JP2004040064 A JP 2004040064A
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- JP
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- Prior art keywords
- insulating film
- semiconductor region
- film
- gate
- conductive gate
- 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.)
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- 230000015654 memory Effects 0.000 title claims abstract description 96
- 238000004519 manufacturing process Methods 0.000 title claims description 13
- 239000004065 semiconductor Substances 0.000 claims abstract description 223
- 238000002347 injection Methods 0.000 claims description 53
- 239000007924 injection Substances 0.000 claims description 53
- 239000000758 substrate Substances 0.000 claims description 35
- 230000003647 oxidation Effects 0.000 claims description 30
- 238000007254 oxidation reaction Methods 0.000 claims description 30
- 229910052760 oxygen Inorganic materials 0.000 claims description 30
- 239000001301 oxygen Substances 0.000 claims description 30
- 150000004767 nitrides Chemical class 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 24
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 24
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 22
- 238000005121 nitriding Methods 0.000 claims description 22
- 229910052710 silicon Inorganic materials 0.000 claims description 22
- 239000010703 silicon Substances 0.000 claims description 22
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 21
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 21
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 19
- -1 oxygen radicals Chemical class 0.000 claims description 8
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 6
- 239000010419 fine particle Substances 0.000 claims description 5
- 230000001590 oxidative effect Effects 0.000 claims description 5
- 150000002831 nitrogen free-radicals Chemical class 0.000 claims description 4
- 230000001698 pyrogenic effect Effects 0.000 claims description 4
- 238000000137 annealing Methods 0.000 claims description 3
- 230000005264 electron capture Effects 0.000 claims description 3
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 2
- 108091006146 Channels Proteins 0.000 claims 1
- 238000005229 chemical vapour deposition Methods 0.000 claims 1
- 238000010301 surface-oxidation reaction Methods 0.000 claims 1
- 239000010408 film Substances 0.000 description 321
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 33
- 239000000969 carrier Substances 0.000 description 26
- 239000010410 layer Substances 0.000 description 24
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 21
- 239000012535 impurity Substances 0.000 description 17
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 14
- 229910052757 nitrogen Inorganic materials 0.000 description 14
- 229920002120 photoresistant polymer Polymers 0.000 description 14
- 150000003254 radicals Chemical class 0.000 description 13
- 230000004888 barrier function Effects 0.000 description 11
- 239000001257 hydrogen Substances 0.000 description 11
- 229910052739 hydrogen Inorganic materials 0.000 description 11
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 11
- 230000008859 change Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- 239000007789 gas Substances 0.000 description 9
- 239000002784 hot electron Substances 0.000 description 9
- 230000014759 maintenance of location Effects 0.000 description 9
- 238000003860 storage Methods 0.000 description 9
- 239000000126 substance Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 150000002431 hydrogen Chemical class 0.000 description 8
- 238000002513 implantation Methods 0.000 description 8
- 229910021529 ammonia Inorganic materials 0.000 description 7
- 229910001873 dinitrogen Inorganic materials 0.000 description 7
- 238000005468 ion implantation Methods 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 239000010409 thin film Substances 0.000 description 6
- 230000001133 acceleration Effects 0.000 description 5
- 238000009616 inductively coupled plasma Methods 0.000 description 5
- 239000011229 interlayer Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 4
- 230000005684 electric field Effects 0.000 description 4
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 4
- 230000002093 peripheral effect Effects 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
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- UMVBXBACMIOFDO-UHFFFAOYSA-N [N].[Si] Chemical compound [N].[Si] UMVBXBACMIOFDO-UHFFFAOYSA-N 0.000 description 3
- 230000004913 activation Effects 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 3
- 238000005513 bias potential Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 230000005672 electromagnetic field Effects 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000006386 neutralization reaction Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 230000005641 tunneling Effects 0.000 description 3
- 229910052724 xenon Inorganic materials 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 238000001312 dry etching Methods 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 229920005591 polysilicon Polymers 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 description 1
- 229910001111 Fine metal Inorganic materials 0.000 description 1
- WYQGNUUOBJVAKM-UHFFFAOYSA-N N.Cl[SiH2]Cl Chemical compound N.Cl[SiH2]Cl WYQGNUUOBJVAKM-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 1
- KSPMJHKUXSQDSZ-UHFFFAOYSA-N [N].[N] Chemical compound [N].[N] KSPMJHKUXSQDSZ-UHFFFAOYSA-N 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 238000007600 charging Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 229910052805 deuterium Inorganic materials 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000010893 electron trap Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Images
Landscapes
- Formation Of Insulating Films (AREA)
- Semiconductor Memories (AREA)
- Non-Volatile Memory (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002226715A JP2004040064A (ja) | 2002-07-01 | 2002-07-01 | 不揮発性メモリとその製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002226715A JP2004040064A (ja) | 2002-07-01 | 2002-07-01 | 不揮発性メモリとその製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2004040064A true JP2004040064A (ja) | 2004-02-05 |
| JP2004040064A5 JP2004040064A5 (https=) | 2005-10-20 |
Family
ID=31711562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002226715A Pending JP2004040064A (ja) | 2002-07-01 | 2002-07-01 | 不揮発性メモリとその製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2004040064A (https=) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006190932A (ja) * | 2004-12-29 | 2006-07-20 | Hynix Semiconductor Inc | チャージトラップインシュレータメモリ装置 |
| JP2006237423A (ja) * | 2005-02-28 | 2006-09-07 | Oki Electric Ind Co Ltd | 半導体記憶装置および半導体記憶装置の製造方法 |
| WO2006106667A1 (ja) * | 2005-03-30 | 2006-10-12 | Tokyo Electron Limited | 絶縁膜の製造方法および半導体装置の製造方法 |
| JP2006339599A (ja) * | 2005-06-06 | 2006-12-14 | Renesas Technology Corp | 半導体装置およびその製造方法 |
| JP2007500938A (ja) * | 2003-07-31 | 2007-01-18 | フリースケール セミコンダクター インコーポレイテッド | 不揮発性メモリおよびその製造方法 |
| JP2007294936A (ja) * | 2006-03-31 | 2007-11-08 | Semiconductor Energy Lab Co Ltd | 不揮発性半導体記憶装置及びその作製方法 |
| JP2008053266A (ja) * | 2006-08-22 | 2008-03-06 | Sony Corp | 不揮発性半導体メモリデバイスおよびその製造方法 |
| JPWO2006095890A1 (ja) * | 2005-03-07 | 2008-08-21 | 日本電気株式会社 | 半導体装置およびその製造方法 |
| JP2010153789A (ja) * | 2008-11-20 | 2010-07-08 | Hitachi Kokusai Electric Inc | 不揮発性半導体記憶装置およびその製造方法 |
| JP2010225684A (ja) * | 2009-03-19 | 2010-10-07 | Toshiba Corp | 半導体記憶装置 |
| KR101101030B1 (ko) | 2011-09-21 | 2011-12-29 | 서승환 | Led 모듈의 전압 계측 방법 및 장치 |
| US8310000B2 (en) | 2006-03-31 | 2012-11-13 | Semiconductor Energy Laboratory Co., Ltd. | Nonvolatile semiconductor memory device and manufacturing method thereof |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55111175A (en) * | 1979-02-15 | 1980-08-27 | Ibm | Device for collecting charge |
| JPS6486562A (en) * | 1987-07-31 | 1989-03-31 | Agency Ind Science Techn | Nonvolatile semiconductor memory |
| JPH02265279A (ja) * | 1989-04-06 | 1990-10-30 | Toshiba Corp | 半導体装置の製造方法 |
| JPH05145078A (ja) * | 1991-11-22 | 1993-06-11 | Kawasaki Steel Corp | 半導体不揮発性記憶素子とその製造方法 |
| JPH06296029A (ja) * | 1993-04-08 | 1994-10-21 | Citizen Watch Co Ltd | 半導体不揮発性記憶素子とその製造方法 |
| JPH07153858A (ja) * | 1993-10-01 | 1995-06-16 | Matsushita Electric Ind Co Ltd | 半導体メモリ装置及びその製造方法 |
| JPH09148543A (ja) * | 1995-11-24 | 1997-06-06 | Toshiba Corp | 半導体装置の製造方法 |
| JPH10321740A (ja) * | 1997-03-19 | 1998-12-04 | Citizen Watch Co Ltd | 半導体不揮発性メモリトランジスタおよびその製造方法 |
| JPH1140682A (ja) * | 1997-07-18 | 1999-02-12 | Sony Corp | 不揮発性半導体記憶装置及びその製造方法 |
| JP2000004014A (ja) * | 1998-06-12 | 2000-01-07 | Hitachi Ltd | 半導体集積回路装置およびその製造方法 |
| JP2001196464A (ja) * | 2000-01-17 | 2001-07-19 | Nec Corp | 半導体装置とその製造方法 |
| JP2002009179A (ja) * | 2000-06-21 | 2002-01-11 | Sony Corp | 不揮発性半導体記憶装置およびその製造方法 |
| JP2002064097A (ja) * | 1999-06-30 | 2002-02-28 | Toshiba Corp | 半導体装置の製造方法 |
| JP2003068897A (ja) * | 2001-06-28 | 2003-03-07 | Samsung Electronics Co Ltd | 浮遊トラップ型不揮発性メモリ素子 |
-
2002
- 2002-07-01 JP JP2002226715A patent/JP2004040064A/ja active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55111175A (en) * | 1979-02-15 | 1980-08-27 | Ibm | Device for collecting charge |
| JPS6486562A (en) * | 1987-07-31 | 1989-03-31 | Agency Ind Science Techn | Nonvolatile semiconductor memory |
| JPH02265279A (ja) * | 1989-04-06 | 1990-10-30 | Toshiba Corp | 半導体装置の製造方法 |
| JPH05145078A (ja) * | 1991-11-22 | 1993-06-11 | Kawasaki Steel Corp | 半導体不揮発性記憶素子とその製造方法 |
| JPH06296029A (ja) * | 1993-04-08 | 1994-10-21 | Citizen Watch Co Ltd | 半導体不揮発性記憶素子とその製造方法 |
| JPH07153858A (ja) * | 1993-10-01 | 1995-06-16 | Matsushita Electric Ind Co Ltd | 半導体メモリ装置及びその製造方法 |
| JPH09148543A (ja) * | 1995-11-24 | 1997-06-06 | Toshiba Corp | 半導体装置の製造方法 |
| JPH10321740A (ja) * | 1997-03-19 | 1998-12-04 | Citizen Watch Co Ltd | 半導体不揮発性メモリトランジスタおよびその製造方法 |
| JPH1140682A (ja) * | 1997-07-18 | 1999-02-12 | Sony Corp | 不揮発性半導体記憶装置及びその製造方法 |
| JP2000004014A (ja) * | 1998-06-12 | 2000-01-07 | Hitachi Ltd | 半導体集積回路装置およびその製造方法 |
| JP2002064097A (ja) * | 1999-06-30 | 2002-02-28 | Toshiba Corp | 半導体装置の製造方法 |
| JP2001196464A (ja) * | 2000-01-17 | 2001-07-19 | Nec Corp | 半導体装置とその製造方法 |
| JP2002009179A (ja) * | 2000-06-21 | 2002-01-11 | Sony Corp | 不揮発性半導体記憶装置およびその製造方法 |
| JP2003068897A (ja) * | 2001-06-28 | 2003-03-07 | Samsung Electronics Co Ltd | 浮遊トラップ型不揮発性メモリ素子 |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007500938A (ja) * | 2003-07-31 | 2007-01-18 | フリースケール セミコンダクター インコーポレイテッド | 不揮発性メモリおよびその製造方法 |
| JP2006190932A (ja) * | 2004-12-29 | 2006-07-20 | Hynix Semiconductor Inc | チャージトラップインシュレータメモリ装置 |
| JP2006237423A (ja) * | 2005-02-28 | 2006-09-07 | Oki Electric Ind Co Ltd | 半導体記憶装置および半導体記憶装置の製造方法 |
| JPWO2006095890A1 (ja) * | 2005-03-07 | 2008-08-21 | 日本電気株式会社 | 半導体装置およびその製造方法 |
| WO2006106667A1 (ja) * | 2005-03-30 | 2006-10-12 | Tokyo Electron Limited | 絶縁膜の製造方法および半導体装置の製造方法 |
| JP2006339599A (ja) * | 2005-06-06 | 2006-12-14 | Renesas Technology Corp | 半導体装置およびその製造方法 |
| US8310000B2 (en) | 2006-03-31 | 2012-11-13 | Semiconductor Energy Laboratory Co., Ltd. | Nonvolatile semiconductor memory device and manufacturing method thereof |
| JP2007294936A (ja) * | 2006-03-31 | 2007-11-08 | Semiconductor Energy Lab Co Ltd | 不揮発性半導体記憶装置及びその作製方法 |
| JP2008053266A (ja) * | 2006-08-22 | 2008-03-06 | Sony Corp | 不揮発性半導体メモリデバイスおよびその製造方法 |
| US8084315B2 (en) | 2008-11-20 | 2011-12-27 | Hitachi Kokusai Electric Inc. | Method of fabricating non-volatile semiconductor memory device by using plasma film-forming method and plasma nitridation |
| JP2010153789A (ja) * | 2008-11-20 | 2010-07-08 | Hitachi Kokusai Electric Inc | 不揮発性半導体記憶装置およびその製造方法 |
| JP2010225684A (ja) * | 2009-03-19 | 2010-10-07 | Toshiba Corp | 半導体記憶装置 |
| KR101101030B1 (ko) | 2011-09-21 | 2011-12-29 | 서승환 | Led 모듈의 전압 계측 방법 및 장치 |
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