JP4971978B2 - ガス化学反応および炭化水素付加の周期的変調を用いたプラズマストリッピング方法 - Google Patents
ガス化学反応および炭化水素付加の周期的変調を用いたプラズマストリッピング方法 Download PDFInfo
- Publication number
- JP4971978B2 JP4971978B2 JP2007515400A JP2007515400A JP4971978B2 JP 4971978 B2 JP4971978 B2 JP 4971978B2 JP 2007515400 A JP2007515400 A JP 2007515400A JP 2007515400 A JP2007515400 A JP 2007515400A JP 4971978 B2 JP4971978 B2 JP 4971978B2
- Authority
- JP
- Japan
- Prior art keywords
- gas
- protective layer
- phase
- stripping
- plasma
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims description 168
- 230000000737 periodic effect Effects 0.000 title claims description 29
- 229930195733 hydrocarbon Natural products 0.000 title description 3
- 150000002430 hydrocarbons Chemical class 0.000 title description 3
- 239000004215 Carbon black (E152) Substances 0.000 title description 2
- 239000011241 protective layer Substances 0.000 claims description 142
- 230000008569 process Effects 0.000 claims description 130
- 238000005530 etching Methods 0.000 claims description 108
- 239000010410 layer Substances 0.000 claims description 97
- 229920002120 photoresistant polymer Polymers 0.000 claims description 65
- 239000000463 material Substances 0.000 claims description 47
- 230000015572 biosynthetic process Effects 0.000 claims description 42
- 239000002356 single layer Substances 0.000 claims description 36
- 239000000126 substance Substances 0.000 claims description 27
- 239000000758 substrate Substances 0.000 claims description 24
- 238000006243 chemical reaction Methods 0.000 claims description 15
- 229910052731 fluorine Inorganic materials 0.000 claims description 11
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- 230000002829 reductive effect Effects 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 164
- 238000000151 deposition Methods 0.000 description 63
- 230000008021 deposition Effects 0.000 description 62
- 125000004122 cyclic group Chemical group 0.000 description 45
- 239000010408 film Substances 0.000 description 23
- 239000000203 mixture Substances 0.000 description 21
- 238000012545 processing Methods 0.000 description 21
- 239000010409 thin film Substances 0.000 description 16
- 239000006117 anti-reflective coating Substances 0.000 description 13
- 230000008859 change Effects 0.000 description 12
- 150000002500 ions Chemical class 0.000 description 11
- 238000013459 approach Methods 0.000 description 10
- 229920000642 polymer Polymers 0.000 description 10
- 239000012159 carrier gas Substances 0.000 description 9
- 238000000576 coating method Methods 0.000 description 9
- 238000010276 construction Methods 0.000 description 9
- 239000011248 coating agent Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 238000002161 passivation Methods 0.000 description 7
- 239000011253 protective coating Substances 0.000 description 7
- 230000001681 protective effect Effects 0.000 description 7
- 230000000873 masking effect Effects 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 238000010849 ion bombardment Methods 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 5
- 238000012546 transfer Methods 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
- 238000005137 deposition process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 238000011065 in-situ storage Methods 0.000 description 4
- 230000003993 interaction Effects 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 239000003989 dielectric material Substances 0.000 description 3
- 238000009501 film coating Methods 0.000 description 3
- 230000005596 ionic collisions Effects 0.000 description 3
- 238000001020 plasma etching Methods 0.000 description 3
- 238000004886 process control Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 229910052814 silicon oxide Inorganic materials 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 229910003481 amorphous carbon Inorganic materials 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000006399 behavior Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000032798 delamination Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 238000004299 exfoliation Methods 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002052 molecular layer Substances 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 101000777624 Homo sapiens Hsp90 co-chaperone Cdc37-like 1 Proteins 0.000 description 1
- 102100031587 Hsp90 co-chaperone Cdc37-like 1 Human genes 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 125000003636 chemical group Chemical group 0.000 description 1
- 239000013626 chemical specie Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000002243 precursor Substances 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
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006557 surface reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
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
- H01L21/302—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
- H01L21/3065—Plasma etching; Reactive-ion etching
-
- 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
- H01L21/31111—Etching inorganic layers by chemical means
- H01L21/31116—Etching inorganic layers by chemical means by dry-etching
-
- 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
-
- 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
- H01L21/31127—Etching organic layers
- H01L21/31133—Etching organic layers by chemical means
- H01L21/31138—Etching organic layers by chemical means by dry-etching
-
- 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
- H01L21/76801—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 dielectrics, e.g. smoothing
- H01L21/76802—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 dielectrics, e.g. smoothing by forming openings in dielectrics
-
- 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
- H01L21/76801—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 dielectrics, e.g. smoothing
- H01L21/76829—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 dielectrics, e.g. smoothing characterised by the formation of thin functional dielectric layers, e.g. dielectric etch-stop, barrier, capping or liner layers
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Plasma & Fusion (AREA)
- Drying Of Semiconductors (AREA)
- Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
Description
Claims (15)
- 基板上のフォトレジストエッチングマスクを通して低k誘電体層中にフィーチャをエッチングする方法であって、
低k誘電体層を基板上に設けること、
パターン付けされたフォトレジストマスクを前記低k誘電体層上に設けること、
少なくとも1つのフィーチャを前記低k誘電体層中にエッチングすること、および
単一のフォトレジストマスクを剥離するガス変調された周期的剥離プロセスを3サイクルより多く行うことを備え、
前記周期的剥離プロセスのそれぞれのサイクルは、
第1ガスを用いて保護層形成フェーズを行うことであって、前記保護層形成フェーズはそれぞれのサイクルについて約0.005〜10秒行われ、
前記第1ガスを提供すること、および
前記第1ガスからプラズマを形成することであって、保護層は前記少なくとも1つのフィーチャの側壁上に形成され、前記保護層の厚さが増加される、前記第1ガスからプラズマを形成すること
を含む保護層形成フェーズを行うこと、
第2ガスを用いて前記フォトレジストマスクを剥離する剥離フェーズを行うことであって、前記第1ガスは前記第2ガスとは異なり、前記剥離フェーズはそれぞれのサイクルについて約0.005〜10秒行われ、
前記第2ガスを提供すること、および
前記第2ガスからプラズマを形成することであって、前記保護層の厚さが減少され、前記フォトレジストマスクの一部は剥離される、前記第2ガスからプラズマを形成すること
を含む剥離フェーズを行うこと
を備え、
前記保護層形成フェーズは、0.1以上200Å未満の厚さの層を形成する方法。 - 基板上のフォトレジストエッチングマスクを通して低k誘電体層中にフィーチャをエッチングする方法であって、
低k誘電体層を基板上に設けること、
パターン付けされたフォトレジストマスクを前記低k誘電体層上に設けること、
少なくとも1つのフィーチャを前記低k誘電体層中にエッチングすること、および
単一のフォトレジストマスクを剥離するガス変調された周期的剥離プロセスを3サイクルより多く行うことを備え、
前記周期的剥離プロセスのそれぞれのサイクルは、
第1ガスを用いて保護層形成フェーズを行うことであって、前記保護層形成フェーズはそれぞれのサイクルについて約0.005〜10秒行われ、
前記第1ガスを提供すること、および
前記第1ガスからプラズマを形成することであって、保護層は前記少なくとも1つのフィーチャの側壁上に形成され、前記保護層の厚さが増加される、前記第1ガスからプラズマを形成すること
を含み、前記保護層形成フェーズは前記フォトレジストマスクに関する剥離反応に対して比較的不活性である堆積材料の層を形成する、保護層形成フェーズを行うこと、
第2ガスを用いて前記フォトレジストマスクを剥離する剥離フェーズを行うことであって、前記第1ガスは前記第2ガスとは異なり、前記剥離フェーズはそれぞれのサイクルについて約0.005〜10秒行われ、
前記第2ガスを提供すること、および
前記第2ガスからプラズマを形成することであって、前記保護層の厚さが減少され、前記フォトレジストマスクの一部は剥離される、前記第2ガスからプラズマを形成すること
を含む剥離フェーズを行うこと
を備える方法。 - 請求項1に記載の方法であって、前記保護層形成フェーズは、約0.1および100Åの間の厚さの層を形成する方法。
- 請求項1〜3のいずれかに記載の方法であって、ガス変調された周期的剥離プロセスを実行することは、容量的に結合されたプラズマプロセスチャンバ内で行われる方法。
- 請求項1〜4のいずれかに記載の方法であって、前記保護層形成フェーズおよび前記剥離フェーズは、共通したプラズマプロセスチャンバ内で行われる方法。
- 請求項1〜5のいずれかに記載の方法であって、前記共通したプラズマプロセスチャンバは、容量的に結合されたプラズマプロセスチャンバであって、前記第1ガスから前記プラズマを形成することは、容量的に結合されたエネルギーを提供することを含む方法。
- 請求項1〜6のいずれかに記載の方法であって、前記ガス変調された周期的剥離プロセスは、少なくとも3サイクル行われる方法。
- 請求項1〜6のいずれかに記載の方法であって、前記第1ガスは保護層形成ガスを含み、前記第2ガスは剥離ガスを含む方法。
- 請求項8に記載の方法であって、前記保護層形成ガスは、C2H4、CH4、CH4、C2H4、C2H6、C2H2、C3H8、CO、SiH4、Si(CH3)4、Si(C2H5)4、CH3F、C2H5F、C3H7F、およびC2H3Fのうちの少なくとも1つである方法。
- 請求項8〜9のいずれかに記載の方法であって、前記剥離ガスは、O2、H2、N2、水蒸気、CO2、およびNH3のうちの少なくとも1つである方法。
- 請求項8〜10のいずれかに記載の方法であって、前記第1ガスは、1:1未満である保護層形成ガスに対する剥離ガスの比を有し、前記第2ガスは、10:1および2:1の間である保護層形成ガスに対する剥離ガスの比を有する方法。
- 基板上の単一層の少なくとも一部を除去する方法であって、
ガス変調された周期的プロセスを3サイクルより多く実行することを備え、
前記周期的プロセスのそれぞれのサイクルは、
堆積ガス化学物質を持つ第1ガス化学物質を用いて保護層形成フェーズを行うことであって、前記保護層形成フェーズはそれぞれのサイクルについて約0.005〜10秒行われ、
前記第1ガス化学物質を提供すること、および
前記第1ガス化学物質からプラズマを形成することであって、前記プラズマは保護層の形成を引き起こし、前記保護層の厚さを増加させる、前記第1ガス化学物質からプラズマを形成すること
を含み、前記保護層形成フェーズは前記フォトレジストマスクに関する剥離反応に対して比較的不活性である堆積材料の層を形成する、保護層形成フェーズを行うこと、
除去ガス化学物質を用いた第2ガス化学物質を用いて、前記単一層の少なくとも一部を除去する除去フェーズを行うことであって、前記第1ガス化学物質は前記第2ガス化学物質とは異なり、前記除去フェーズはそれぞれのサイクルについて約0.005〜10秒行われ、
前記第2ガス化学物質を提供すること、および
前記第2ガス化学物質からプラズマを形成し、前記単一層の少なくとも一部を除去すること
を含む除去フェーズを行うこと
を備える方法。 - 請求項1〜11のいずれかに記載の方法であって、前記ガス変調された周期的剥離プロセスを少なくとも50サイクル行う方法。
- 請求項1,3〜11,13のいずれかに記載の方法であって、前記保護層は、前記フォトレジストマスクに関する剥離反応に対して比較的不活性である堆積材料の層である方法。
- 請求項1〜11,13,14のいずれかに記載の方法であって、前記保護層形成フェーズは各サイクルにおいてモノレイヤの範囲の層を形成する方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/860,833 | 2004-06-03 | ||
US10/860,833 US7294580B2 (en) | 2003-04-09 | 2004-06-03 | Method for plasma stripping using periodic modulation of gas chemistry and hydrocarbon addition |
PCT/US2005/018784 WO2005122226A1 (en) | 2004-06-03 | 2005-05-27 | Method for plasma stripping using periodic modulation of gas chemistry and hydrocarbon addition |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2008502146A JP2008502146A (ja) | 2008-01-24 |
JP2008502146A5 JP2008502146A5 (ja) | 2008-07-10 |
JP4971978B2 true JP4971978B2 (ja) | 2012-07-11 |
Family
ID=34979663
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007515400A Active JP4971978B2 (ja) | 2004-06-03 | 2005-05-27 | ガス化学反応および炭化水素付加の周期的変調を用いたプラズマストリッピング方法 |
Country Status (8)
Country | Link |
---|---|
US (1) | US7294580B2 (ja) |
EP (1) | EP1754252A1 (ja) |
JP (1) | JP4971978B2 (ja) |
KR (1) | KR101160102B1 (ja) |
CN (1) | CN100524646C (ja) |
IL (1) | IL179695A (ja) |
TW (1) | TWI400749B (ja) |
WO (1) | WO2005122226A1 (ja) |
Families Citing this family (54)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7547635B2 (en) * | 2002-06-14 | 2009-06-16 | Lam Research Corporation | Process for etching dielectric films with improved resist and/or etch profile characteristics |
US7977390B2 (en) | 2002-10-11 | 2011-07-12 | Lam Research Corporation | Method for plasma etching performance enhancement |
US6916746B1 (en) * | 2003-04-09 | 2005-07-12 | Lam Research Corporation | Method for plasma etching using periodic modulation of gas chemistry |
US7396769B2 (en) * | 2004-08-02 | 2008-07-08 | Lam Research Corporation | Method for stripping photoresist from etched wafer |
KR100607777B1 (ko) * | 2004-12-27 | 2006-08-01 | 동부일렉트로닉스 주식회사 | 반도체 소자의 제조 방법 |
US7491647B2 (en) * | 2005-03-08 | 2009-02-17 | Lam Research Corporation | Etch with striation control |
US7695632B2 (en) | 2005-05-31 | 2010-04-13 | Lam Research Corporation | Critical dimension reduction and roughness control |
US7682516B2 (en) * | 2005-10-05 | 2010-03-23 | Lam Research Corporation | Vertical profile fixing |
KR100707803B1 (ko) * | 2005-10-28 | 2007-04-17 | 주식회사 하이닉스반도체 | 리세스 게이트를 갖는 반도체 소자의 제조방법 |
US7910489B2 (en) * | 2006-02-17 | 2011-03-22 | Lam Research Corporation | Infinitely selective photoresist mask etch |
US20070275560A1 (en) * | 2006-02-22 | 2007-11-29 | Eiichi Nishimura | Method of manufacturing semiconductor device |
JP2007227529A (ja) * | 2006-02-22 | 2007-09-06 | Tokyo Electron Ltd | 半導体装置の製造方法、プラズマ処理装置、及び記憶媒体 |
JP2008205436A (ja) * | 2007-01-26 | 2008-09-04 | Toshiba Corp | 微細構造体の製造方法 |
US7585778B2 (en) * | 2007-03-27 | 2009-09-08 | Applied Materials, Inc. | Method of etching an organic low-k dielectric material |
JP2008311258A (ja) * | 2007-06-12 | 2008-12-25 | Applied Materials Inc | 低誘電率の誘電材料の損傷を低減したマスキング材料の除去方法 |
US7838426B2 (en) * | 2007-08-20 | 2010-11-23 | Lam Research Corporation | Mask trimming |
US7785484B2 (en) * | 2007-08-20 | 2010-08-31 | Lam Research Corporation | Mask trimming with ARL etch |
US8618663B2 (en) * | 2007-09-20 | 2013-12-31 | International Business Machines Corporation | Patternable dielectric film structure with improved lithography and method of fabricating same |
US7709370B2 (en) * | 2007-09-20 | 2010-05-04 | International Business Machines Corporation | Spin-on antireflective coating for integration of patternable dielectric materials and interconnect structures |
US8084862B2 (en) * | 2007-09-20 | 2011-12-27 | International Business Machines Corporation | Interconnect structures with patternable low-k dielectrics and method of fabricating same |
US8809196B2 (en) * | 2009-01-14 | 2014-08-19 | Tokyo Electron Limited | Method of etching a thin film using pressure modulation |
US8691701B2 (en) * | 2009-05-08 | 2014-04-08 | Lam Research Corporation | Strip with reduced low-K dielectric damage |
US7637269B1 (en) * | 2009-07-29 | 2009-12-29 | Tokyo Electron Limited | Low damage method for ashing a substrate using CO2/CO-based process |
JP2013510445A (ja) * | 2009-11-09 | 2013-03-21 | スリーエム イノベイティブ プロパティズ カンパニー | 半導体の異方性エッチングプロセス |
CN101819933A (zh) * | 2010-02-11 | 2010-09-01 | 中微半导体设备(上海)有限公司 | 一种含碳层的等离子刻蚀方法 |
CN101800174A (zh) * | 2010-02-11 | 2010-08-11 | 中微半导体设备(上海)有限公司 | 一种含碳层的等离子刻蚀方法 |
US8741394B2 (en) * | 2010-03-25 | 2014-06-03 | Novellus Systems, Inc. | In-situ deposition of film stacks |
US8324114B2 (en) | 2010-05-26 | 2012-12-04 | Lam Research Corporation | Method and apparatus for silicon oxide residue removal |
CN102299097B (zh) * | 2010-06-28 | 2014-05-21 | 中芯国际集成电路制造(上海)有限公司 | 一种金属连线刻蚀方法 |
US9039909B2 (en) * | 2011-02-28 | 2015-05-26 | Tokyo Electron Limited | Plasma etching method, semiconductor device manufacturing method and computer-readable storage medium |
US8399366B1 (en) * | 2011-08-25 | 2013-03-19 | Tokyo Electron Limited | Method of depositing highly conformal amorphous carbon films over raised features |
JP2013084695A (ja) * | 2011-10-06 | 2013-05-09 | Tokyo Electron Ltd | 半導体装置の製造方法 |
JP5914007B2 (ja) * | 2012-01-20 | 2016-05-11 | 昭和電工株式会社 | 磁気記録媒体の製造方法 |
US9679751B2 (en) | 2012-03-15 | 2017-06-13 | Lam Research Corporation | Chamber filler kit for plasma etch chamber useful for fast gas switching |
US9165783B2 (en) * | 2012-11-01 | 2015-10-20 | Applied Materials, Inc. | Method of patterning a low-k dielectric film |
US9040430B2 (en) | 2013-06-27 | 2015-05-26 | Lam Research Corporation | Method of stripping organic mask with reduced damage to low-K film |
US9184029B2 (en) * | 2013-09-03 | 2015-11-10 | Lam Research Corporation | System, method and apparatus for coordinating pressure pulses and RF modulation in a small volume confined process reactor |
US10297459B2 (en) | 2013-09-20 | 2019-05-21 | Lam Research Corporation | Technique to deposit sidewall passivation for high aspect ratio cylinder etch |
US9887097B2 (en) | 2014-12-04 | 2018-02-06 | Lam Research Corporation | Technique to deposit sidewall passivation for high aspect ratio cylinder etch |
US9384998B2 (en) * | 2014-12-04 | 2016-07-05 | Lam Research Corporation | Technique to deposit sidewall passivation for high aspect ratio cylinder etch |
US10170324B2 (en) | 2014-12-04 | 2019-01-01 | Lam Research Corporation | Technique to tune sidewall passivation deposition conformality for high aspect ratio cylinder etch |
US9620377B2 (en) | 2014-12-04 | 2017-04-11 | Lab Research Corporation | Technique to deposit metal-containing sidewall passivation for high aspect ratio cylinder etch |
US9543148B1 (en) | 2015-09-01 | 2017-01-10 | Lam Research Corporation | Mask shrink layer for high aspect ratio dielectric etch |
US9595451B1 (en) | 2015-10-19 | 2017-03-14 | Applied Materials, Inc. | Highly selective etching methods for etching dielectric materials |
US10497578B2 (en) | 2016-07-22 | 2019-12-03 | Applied Materials, Inc. | Methods for high temperature etching a material layer using protection coating |
US10002773B2 (en) * | 2016-10-11 | 2018-06-19 | Lam Research Corporation | Method for selectively etching silicon oxide with respect to an organic mask |
US10276398B2 (en) | 2017-08-02 | 2019-04-30 | Lam Research Corporation | High aspect ratio selective lateral etch using cyclic passivation and etching |
US10658174B2 (en) | 2017-11-21 | 2020-05-19 | Lam Research Corporation | Atomic layer deposition and etch for reducing roughness |
US10727075B2 (en) | 2017-12-22 | 2020-07-28 | Applied Materials, Inc. | Uniform EUV photoresist patterning utilizing pulsed plasma process |
JP7022651B2 (ja) | 2018-05-28 | 2022-02-18 | 東京エレクトロン株式会社 | 膜をエッチングする方法及びプラズマ処理装置 |
US11131919B2 (en) * | 2018-06-22 | 2021-09-28 | International Business Machines Corporation | Extreme ultraviolet (EUV) mask stack processing |
US11443954B2 (en) | 2019-12-10 | 2022-09-13 | Tokyo Electron Limited | Method and apparatus for controlling a shape of a pattern over a substrate |
CN113970880B (zh) * | 2021-11-23 | 2024-05-28 | 江苏凯威特斯半导体科技有限公司 | 一种用于半导体光刻胶的清洗方法 |
KR20240040525A (ko) * | 2022-09-21 | 2024-03-28 | 피에스케이 주식회사 | 기판 처리 방법 |
Family Cites Families (54)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4414059A (en) * | 1982-12-09 | 1983-11-08 | International Business Machines Corporation | Far UV patterning of resist materials |
JPS6313334A (ja) | 1986-07-04 | 1988-01-20 | Hitachi Ltd | ドライエツチング方法 |
KR900007687B1 (ko) * | 1986-10-17 | 1990-10-18 | 가부시기가이샤 히다찌세이사꾸쇼 | 플라즈마처리방법 및 장치 |
US4698128A (en) | 1986-11-17 | 1987-10-06 | Motorola, Inc. | Sloped contact etch process |
JP2918892B2 (ja) | 1988-10-14 | 1999-07-12 | 株式会社日立製作所 | プラズマエッチング処理方法 |
JPH04240729A (ja) * | 1991-01-24 | 1992-08-28 | Toshiba Corp | パターン形成方法 |
DE4241045C1 (de) * | 1992-12-05 | 1994-05-26 | Bosch Gmbh Robert | Verfahren zum anisotropen Ätzen von Silicium |
JP3437863B2 (ja) * | 1993-01-18 | 2003-08-18 | 株式会社半導体エネルギー研究所 | Mis型半導体装置の作製方法 |
JPH07226397A (ja) | 1994-02-10 | 1995-08-22 | Tokyo Electron Ltd | エッチング処理方法 |
DE4317623C2 (de) * | 1993-05-27 | 2003-08-21 | Bosch Gmbh Robert | Verfahren und Vorrichtung zum anisotropen Plasmaätzen von Substraten und dessen Verwendung |
JP2674488B2 (ja) * | 1993-12-01 | 1997-11-12 | 日本電気株式会社 | ドライエッチング室のクリーニング方法 |
US5545289A (en) * | 1994-02-03 | 1996-08-13 | Applied Materials, Inc. | Passivating, stripping and corrosion inhibition of semiconductor substrates |
US5562801A (en) * | 1994-04-28 | 1996-10-08 | Cypress Semiconductor Corporation | Method of etching an oxide layer |
JPH0936089A (ja) | 1995-07-19 | 1997-02-07 | Toshiba Corp | アッシング方法及びその装置 |
ATE251341T1 (de) * | 1996-08-01 | 2003-10-15 | Surface Technology Systems Plc | Verfahren zur ätzung von substraten |
GB9616225D0 (en) * | 1996-08-01 | 1996-09-11 | Surface Tech Sys Ltd | Method of surface treatment of semiconductor substrates |
DE19641288A1 (de) * | 1996-10-07 | 1998-04-09 | Bosch Gmbh Robert | Verfahren zum anisotropen Plasmaätzen verschiedener Substrate |
JPH10209118A (ja) * | 1997-01-28 | 1998-08-07 | Sony Corp | アッシング方法 |
US5882535A (en) * | 1997-02-04 | 1999-03-16 | Micron Technology, Inc. | Method for forming a hole in a semiconductor device |
DE19706682C2 (de) * | 1997-02-20 | 1999-01-14 | Bosch Gmbh Robert | Anisotropes fluorbasiertes Plasmaätzverfahren für Silizium |
US6010603A (en) * | 1997-07-09 | 2000-01-04 | Applied Materials, Inc. | Patterned copper etch for micron and submicron features, using enhanced physical bombardment |
DE19730644C1 (de) * | 1997-07-17 | 1998-11-19 | Bosch Gmbh Robert | Verfahren zum Erkennen des Übergangs unterschiedlicher Materialien in Halbleiterstrukturen bei einer anisotropen Tiefenätzung |
US6187685B1 (en) * | 1997-08-01 | 2001-02-13 | Surface Technology Systems Limited | Method and apparatus for etching a substrate |
DE19734278C1 (de) * | 1997-08-07 | 1999-02-25 | Bosch Gmbh Robert | Vorrichtung zum anisotropen Ätzen von Substraten |
DE19736370C2 (de) * | 1997-08-21 | 2001-12-06 | Bosch Gmbh Robert | Verfahren zum anisotropen Ätzen von Silizium |
US5942446A (en) * | 1997-09-12 | 1999-08-24 | Taiwan Semiconductor Manufacturing Company, Ltd. | Fluorocarbon polymer layer deposition predominant pre-etch plasma etch method for forming patterned silicon containing dielectric layer |
US6074959A (en) * | 1997-09-19 | 2000-06-13 | Applied Materials, Inc. | Method manifesting a wide process window and using hexafluoropropane or other hydrofluoropropanes to selectively etch oxide |
US5849639A (en) * | 1997-11-26 | 1998-12-15 | Lucent Technologies Inc. | Method for removing etching residues and contaminants |
KR100520148B1 (ko) * | 1997-12-31 | 2006-05-12 | 주식회사 하이닉스반도체 | 신규한바이시클로알켄유도체와이를이용한포토레지스트중합체및이중합체를함유한포토레지스트조성물 |
US6387287B1 (en) | 1998-03-27 | 2002-05-14 | Applied Materials, Inc. | Process for etching oxide using a hexafluorobutadiene and manifesting a wide process window |
US6071822A (en) * | 1998-06-08 | 2000-06-06 | Plasma-Therm, Inc. | Etching process for producing substantially undercut free silicon on insulator structures |
US6025255A (en) * | 1998-06-25 | 2000-02-15 | Vanguard International Semiconductor Corporation | Two-step etching process for forming self-aligned contacts |
US6211092B1 (en) * | 1998-07-09 | 2001-04-03 | Applied Materials, Inc. | Counterbore dielectric plasma etch process particularly useful for dual damascene |
US6406995B1 (en) * | 1998-09-30 | 2002-06-18 | Intel Corporation | Pattern-sensitive deposition for damascene processing |
JP2000208767A (ja) * | 1998-11-13 | 2000-07-28 | Seiko Epson Corp | 半導体装置の製造方法 |
US6100200A (en) * | 1998-12-21 | 2000-08-08 | Advanced Technology Materials, Inc. | Sputtering process for the conformal deposition of a metallization or insulating layer |
US6187666B1 (en) * | 1999-06-08 | 2001-02-13 | Advanced Micro Devices, Inc. | CVD plasma process to fill contact hole in damascene process |
US6316169B1 (en) * | 1999-06-25 | 2001-11-13 | Lam Research Corporation | Methods for reducing profile variation in photoresist trimming |
US6235453B1 (en) | 1999-07-07 | 2001-05-22 | Advanced Micro Devices, Inc. | Low-k photoresist removal process |
KR100327346B1 (ko) * | 1999-07-20 | 2002-03-06 | 윤종용 | 선택적 폴리머 증착을 이용한 플라즈마 식각방법 및 이를이용한 콘택홀 형성방법 |
WO2001029879A2 (en) | 1999-10-20 | 2001-04-26 | Mattson Technology, Inc. | Systems and methods for photoresist strip and residue treatment in integrated circuit manufacturing |
US6326307B1 (en) * | 1999-11-15 | 2001-12-04 | Appllied Materials, Inc. | Plasma pretreatment of photoresist in an oxide etch process |
US6391788B1 (en) * | 2000-02-25 | 2002-05-21 | Applied Materials, Inc. | Two etchant etch method |
US6451703B1 (en) * | 2000-03-10 | 2002-09-17 | Applied Materials, Inc. | Magnetically enhanced plasma etch process using a heavy fluorocarbon etching gas |
US6500743B1 (en) * | 2000-08-30 | 2002-12-31 | Advanced Micro Devices, Inc. | Method of copper-polysilicon T-gate formation |
US6569774B1 (en) * | 2000-08-31 | 2003-05-27 | Micron Technology, Inc. | Method to eliminate striations and surface roughness caused by dry etch |
US6403491B1 (en) * | 2000-11-01 | 2002-06-11 | Applied Materials, Inc. | Etch method using a dielectric etch chamber with expanded process window |
DE10059836A1 (de) | 2000-12-01 | 2002-06-13 | Infineon Technologies Ag | Verfahren zur Strukturierung dielektrischer Schichten |
US20030027427A1 (en) * | 2001-08-06 | 2003-02-06 | Applied Materials, Inc. | Integrated system for oxide etching and metal liner deposition |
US6647994B1 (en) * | 2002-01-02 | 2003-11-18 | Taiwan Semiconductor Manufacturing Company | Method of resist stripping over low-k dielectric material |
JP2004119539A (ja) * | 2002-09-25 | 2004-04-15 | Sony Corp | レジストパターンの除去方法 |
US7169695B2 (en) | 2002-10-11 | 2007-01-30 | Lam Research Corporation | Method for forming a dual damascene structure |
US6833325B2 (en) * | 2002-10-11 | 2004-12-21 | Lam Research Corporation | Method for plasma etching performance enhancement |
US6916746B1 (en) * | 2003-04-09 | 2005-07-12 | Lam Research Corporation | Method for plasma etching using periodic modulation of gas chemistry |
-
2004
- 2004-06-03 US US10/860,833 patent/US7294580B2/en not_active Expired - Lifetime
-
2005
- 2005-05-27 JP JP2007515400A patent/JP4971978B2/ja active Active
- 2005-05-27 CN CNB2005800257429A patent/CN100524646C/zh not_active Expired - Fee Related
- 2005-05-27 WO PCT/US2005/018784 patent/WO2005122226A1/en active Application Filing
- 2005-05-27 KR KR1020067027757A patent/KR101160102B1/ko active IP Right Grant
- 2005-05-27 EP EP05760834A patent/EP1754252A1/en not_active Withdrawn
- 2005-06-01 TW TW094118026A patent/TWI400749B/zh active
-
2006
- 2006-11-29 IL IL179695A patent/IL179695A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CN100524646C (zh) | 2009-08-05 |
KR20070032967A (ko) | 2007-03-23 |
TWI400749B (zh) | 2013-07-01 |
IL179695A0 (en) | 2007-05-15 |
KR101160102B1 (ko) | 2012-06-26 |
US20040224520A1 (en) | 2004-11-11 |
EP1754252A1 (en) | 2007-02-21 |
CN1993811A (zh) | 2007-07-04 |
JP2008502146A (ja) | 2008-01-24 |
WO2005122226A1 (en) | 2005-12-22 |
IL179695A (en) | 2011-08-31 |
US7294580B2 (en) | 2007-11-13 |
TW200614357A (en) | 2006-05-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4971978B2 (ja) | ガス化学反応および炭化水素付加の周期的変調を用いたプラズマストリッピング方法 | |
JP5087271B2 (ja) | ガス化学反応の周期的変調を用いたプラズマエッチング方法 | |
KR101029947B1 (ko) | 플라즈마 에칭 성능 강화를 위한 방법 | |
US6833325B2 (en) | Method for plasma etching performance enhancement | |
JP5085997B2 (ja) | プラズマエッチング性能強化方法及び装置 | |
JP5081917B2 (ja) | フッ素除去プロセス | |
US7977390B2 (en) | Method for plasma etching performance enhancement | |
JP4668205B2 (ja) | 多孔質低誘電率層内に形状を形成する方法および装置 | |
KR101555397B1 (ko) | 포토레지스트 마스크 전처리를 갖는 플라즈마 프로세스 | |
KR101534883B1 (ko) | 마스크 트리밍 | |
WO2007094957A1 (en) | Infinitely selective photoresist mask etch | |
KR101075045B1 (ko) | 플라즈마 에칭 성능 강화를 위한 방법 | |
WO2009085597A2 (en) | Cd bias loading control with arc layer open |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20080523 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20080523 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20110307 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20110315 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20110614 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20110621 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20110725 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20110913 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20111208 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20120321 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20120406 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20150413 Year of fee payment: 3 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 4971978 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |