JP5256519B2 - 洗浄された歪みシリコン表面を作製するための改良されたプロセス - Google Patents
洗浄された歪みシリコン表面を作製するための改良されたプロセス Download PDFInfo
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- JP5256519B2 JP5256519B2 JP2010504877A JP2010504877A JP5256519B2 JP 5256519 B2 JP5256519 B2 JP 5256519B2 JP 2010504877 A JP2010504877 A JP 2010504877A JP 2010504877 A JP2010504877 A JP 2010504877A JP 5256519 B2 JP5256519 B2 JP 5256519B2
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- Prior art keywords
- selective etching
- seconds
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- etching step
- layer
- Prior art date
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- 238000000034 method Methods 0.000 title claims description 48
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims description 22
- 229910052710 silicon Inorganic materials 0.000 title claims description 22
- 239000010703 silicon Substances 0.000 title claims description 22
- 238000005530 etching Methods 0.000 claims description 65
- 229910000577 Silicon-germanium Inorganic materials 0.000 claims description 37
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 34
- 239000010410 layer Substances 0.000 claims description 32
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 24
- 238000004140 cleaning Methods 0.000 claims description 22
- 230000001590 oxidative effect Effects 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 15
- QPJSUIGXIBEQAC-UHFFFAOYSA-N n-(2,4-dichloro-5-propan-2-yloxyphenyl)acetamide Chemical compound CC(C)OC1=CC(NC(C)=O)=C(Cl)C=C1Cl QPJSUIGXIBEQAC-UHFFFAOYSA-N 0.000 claims description 14
- 238000001035 drying Methods 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 239000008367 deionised water Substances 0.000 claims description 9
- 229910021641 deionized water Inorganic materials 0.000 claims description 9
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 5
- LEVVHYCKPQWKOP-UHFFFAOYSA-N [Si].[Ge] Chemical compound [Si].[Ge] LEVVHYCKPQWKOP-UHFFFAOYSA-N 0.000 claims description 5
- 125000000896 monocarboxylic acid group Chemical group 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 4
- 239000002344 surface layer Substances 0.000 claims description 4
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 229910052786 argon Inorganic materials 0.000 claims description 2
- 239000011261 inert gas Substances 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 235000012431 wafers Nutrition 0.000 description 33
- 230000007547 defect Effects 0.000 description 18
- 238000005516 engineering process Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000004377 microelectronic Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 239000012212 insulator Substances 0.000 description 3
- 239000002800 charge carrier Substances 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 150000002978 peroxides Chemical class 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000013213 extrapolation Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical group [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000010301 surface-oxidation reaction Methods 0.000 description 1
- 125000001874 trioxidanyl group Chemical group [*]OOO[H] 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
- H01L21/02—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
- H01L21/3105—After-treatment
- H01L21/311—Etching the insulating layers by chemical or physical means
-
- 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
- H01L21/3105—After-treatment
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31105—Etching inorganic 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
- H01L21/02041—Cleaning
- H01L21/02043—Cleaning before device manufacture, i.e. Begin-Of-Line process
- H01L21/02052—Wet cleaning only
-
- 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
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Cleaning Or Drying Semiconductors (AREA)
- Weting (AREA)
Description
(a)SiGe層の第1選択エッチング、場合によりその後の酸化洗浄ステップと;
(b)脱イオン水を使用する濯ぎステップと;
(c)乾燥と;
(d)第2選択エッチングステップと
のステップを含む。
Claims (15)
- 少なくとも1つのシリコン−ゲルマニウム(SiGe)表面層と前記SiGe層に接する歪みシリコン(sSi)層とを含むウエハを処理する方法であって、前記歪みシリコン層は、前記SiGe層をエッチングすることによって露出されており、
前記方法が、順に行われる、
(a)前記SiGe層が完全に除去される前記SiGe層の第1選択エッチング、その後の酸化洗浄ステップと;
(b)脱イオン水を使用する濯ぎステップと;
(c)乾燥ステップと;
(d)第2選択エッチングステップと
を含む、方法。 - 前記第1選択エッチングステップ(a)が、酢酸(CH3COOH)と過酸化水素(H2O2)とフッ化水素酸(HF)との混合物を含むエッチング液で実施される、請求項1に記載の方法。
- 前記第1選択エッチングステップ(a)中のフッ化水素酸(HF)の濃度が、少なくとも0.05重量%及び最大10重量%であり、前記第1選択エッチングステップ(a)中の温度が、少なくとも20℃及び最大60℃であり;前記第1選択エッチングステップ(a)の継続時間が、少なくとも20秒及び最大500秒である、請求項2に記載の方法。
- 酸化洗浄ステップが、少なくとも17℃及び最大35℃の温度で少なくとも5秒及び最大300秒の間に少なくとも15ppm及び最大50ppmの濃度で水に溶解させたオゾン(O3)の溶液を使用して前記第1選択エッチングステップ(a)の後に実施される、請求項1〜3のいずれか一項に記載の方法。
- 脱イオン水で濯ぐ前記ステップ(b)が、15℃〜60℃の温度で、少なくとも5秒間及び最大3分間実施される、請求項1〜4のいずれか一項に記載の方法。
- 前記ステップ(c)の乾燥が、窒素又はアルゴンなどの不活性ガスの流れを使用して実施される、請求項1〜4のいずれか一項に記載の方法。
- 前記第2選択エッチングステップ(d)が、酢酸(CH3COOH)と過酸化水素(H2O2)とフッ化水素酸(HF)との混合物を含むエッチング液で実施される、請求項1〜5のいずれか一項に記載の方法。
- 前記第2選択エッチングステップ(d)中のフッ化水素酸(HF)の濃度が、少なくとも0.05重量%及び最大10重量%であり、前記第2選択エッチングステップ(d)中の温度が、少なくとも20℃及び最大60℃であり、前記第2選択エッチングステップ(d)の継続時間が、少なくとも5秒及び最大40秒である、請求項7に記載の方法。
- 前記第2選択エッチングステップ(d)の継続時間が、少なくとも10秒及び最大30秒である、請求項7又は請求項8に記載の方法。
- 前記第2選択エッチングステップ(d)の継続時間が、少なくとも15秒及び最大25秒である、請求項9に記載の方法。
- 前記第2選択エッチングステップ(d)の継続時間が、約20秒である、請求項10に記載の方法。
- 前記第2選択エッチングステップ(d)の後に濯ぎステップ及び乾燥ステップが続く、請求項1〜11のいずれか一項に記載の方法。
- 前記第2選択エッチングステップ(d)の後にさらなる酸化洗浄ステップ(e)が続く、請求項1〜11のいずれか一項に記載の方法。
- 前記第2選択エッチングステップ(d)に続く酸化洗浄ステップ(e)が、少なくとも17℃及び最大35℃の温度で少なくとも5秒及び最大300秒の間に少なくとも15ppm及び最大50ppmの濃度で水に溶解させたオゾン(O3)の溶液を使用して実施される、請求項13に記載の方法。
- 前記さらなる酸化ステップ(e)の後に濯ぎステップ及び乾燥ステップが続く、請求項13又は請求項14に記載の方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/IB2007/002570 WO2008135804A1 (en) | 2007-05-03 | 2007-05-03 | Improved process for preparing cleaned surfaces of strained silicon. |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010526431A JP2010526431A (ja) | 2010-07-29 |
JP5256519B2 true JP5256519B2 (ja) | 2013-08-07 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010504877A Active JP5256519B2 (ja) | 2007-05-03 | 2007-05-03 | 洗浄された歪みシリコン表面を作製するための改良されたプロセス |
Country Status (6)
Country | Link |
---|---|
US (1) | US8461055B2 (ja) |
EP (1) | EP2143135A1 (ja) |
JP (1) | JP5256519B2 (ja) |
KR (1) | KR101378519B1 (ja) |
CN (1) | CN101657889B (ja) |
WO (1) | WO2008135804A1 (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103128648B (zh) * | 2011-11-25 | 2015-04-15 | 中芯国际集成电路制造(上海)有限公司 | 化学机械研磨装置及研磨过程中处理晶片的方法 |
WO2013086217A1 (en) | 2011-12-06 | 2013-06-13 | Masco Corporation Of Indiana | Ozone distribution in a faucet |
US10475658B2 (en) | 2013-12-31 | 2019-11-12 | Entegris, Inc. | Formulations to selectively etch silicon and germanium |
TWI782893B (zh) * | 2015-07-09 | 2022-11-11 | 美商恩特葛瑞斯股份有限公司 | 選擇性地移除鍺化矽材料之方法、套組及組成物 |
US9899387B2 (en) | 2015-11-16 | 2018-02-20 | Taiwan Semiconductor Manufacturing Company, Ltd. | Multi-gate device and method of fabrication thereof |
CA3007437C (en) | 2015-12-21 | 2021-09-28 | Delta Faucet Company | Fluid delivery system including a disinfectant device |
KR102710507B1 (ko) | 2016-12-14 | 2024-09-25 | 삼성전자주식회사 | 식각용 조성물 및 이를 이용한 반도체 장치 제조 방법 |
US11875997B2 (en) | 2017-04-11 | 2024-01-16 | Entegris, Inc. | Formulations to selectively etch silicon-germanium relative to silicon |
US11970647B2 (en) | 2019-07-08 | 2024-04-30 | Basf Se | Composition, its use and a process for selectively etching silicon-germanium material |
CN110631304A (zh) * | 2019-11-01 | 2019-12-31 | 中国电子科技集团公司第四十六研究所 | 一种锗单晶片用去离子水的冷却装置及冷却方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001257192A (ja) | 2000-03-13 | 2001-09-21 | Matsushita Electric Ind Co Ltd | エッチング装置およびエッチング方法 |
JP2002158206A (ja) | 2000-11-17 | 2002-05-31 | Mitsubishi Electric Corp | レジスト残渣除去方法およびそれを用いた半導体装置の製造方法 |
FR2842349B1 (fr) | 2002-07-09 | 2005-02-18 | Transfert d'une couche mince a partir d'une plaquette comprenant une couche tampon | |
US6953736B2 (en) * | 2002-07-09 | 2005-10-11 | S.O.I.Tec Silicon On Insulator Technologies S.A. | Process for transferring a layer of strained semiconductor material |
FR2852869B1 (fr) * | 2003-03-26 | 2006-07-14 | Soitec Silicon On Insulator | Traitement superficiel d'une plaquette semiconductrice avant collage |
US6905976B2 (en) * | 2003-05-06 | 2005-06-14 | International Business Machines Corporation | Structure and method of forming a notched gate field effect transistor |
JP4182818B2 (ja) * | 2003-06-20 | 2008-11-19 | 株式会社Sumco | 半導体基板の製造方法 |
US6958286B2 (en) * | 2004-01-02 | 2005-10-25 | International Business Machines Corporation | Method of preventing surface roughening during hydrogen prebake of SiGe substrates |
US7232759B2 (en) * | 2004-10-04 | 2007-06-19 | Applied Materials, Inc. | Ammonium hydroxide treatments for semiconductor substrates |
FR2886053B1 (fr) * | 2005-05-19 | 2007-08-10 | Soitec Silicon On Insulator | Procede de gravure chimique uniforme |
FR2886052B1 (fr) | 2005-05-19 | 2007-11-23 | Soitec Silicon On Insulator | Traitement de surface apres gravure selective |
JP4867225B2 (ja) * | 2005-07-27 | 2012-02-01 | セイコーエプソン株式会社 | 半導体基板の製造方法及び、半導体装置の製造方法 |
-
2007
- 2007-05-03 JP JP2010504877A patent/JP5256519B2/ja active Active
- 2007-05-03 US US12/598,403 patent/US8461055B2/en active Active
- 2007-05-03 EP EP07804888A patent/EP2143135A1/en not_active Withdrawn
- 2007-05-03 KR KR1020097020760A patent/KR101378519B1/ko active IP Right Grant
- 2007-05-03 WO PCT/IB2007/002570 patent/WO2008135804A1/en active Application Filing
- 2007-05-03 CN CN2007800526994A patent/CN101657889B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
EP2143135A1 (en) | 2010-01-13 |
US8461055B2 (en) | 2013-06-11 |
JP2010526431A (ja) | 2010-07-29 |
CN101657889A (zh) | 2010-02-24 |
CN101657889B (zh) | 2011-11-02 |
KR101378519B1 (ko) | 2014-03-27 |
WO2008135804A1 (en) | 2008-11-13 |
US20100140746A1 (en) | 2010-06-10 |
KR20100015375A (ko) | 2010-02-12 |
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