JP3776111B1 - 炭素繊維構造体 - Google Patents
炭素繊維構造体 Download PDFInfo
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical group C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 118
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 69
- 239000004917 carbon fiber Substances 0.000 claims abstract description 69
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 23
- 239000000835 fiber Substances 0.000 claims description 20
- 239000002245 particle Substances 0.000 claims description 15
- 229910052799 carbon Inorganic materials 0.000 claims description 14
- 239000003054 catalyst Substances 0.000 claims description 13
- 239000000843 powder Substances 0.000 claims description 11
- 238000001069 Raman spectroscopy Methods 0.000 claims description 9
- 238000002485 combustion reaction Methods 0.000 claims description 8
- 150000001722 carbon compounds Chemical class 0.000 claims description 6
- 238000000354 decomposition reaction Methods 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 abstract description 30
- 238000000034 method Methods 0.000 abstract description 13
- 239000011347 resin Substances 0.000 description 33
- 229920005989 resin Polymers 0.000 description 33
- 239000000543 intermediate Substances 0.000 description 19
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 18
- 230000000704 physical effect Effects 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 9
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 239000000654 additive Substances 0.000 description 8
- 239000003575 carbonaceous material Substances 0.000 description 8
- 230000007547 defect Effects 0.000 description 8
- 239000002994 raw material Substances 0.000 description 8
- 229930195733 hydrocarbon Natural products 0.000 description 7
- 150000002430 hydrocarbons Chemical class 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
- 238000002156 mixing Methods 0.000 description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- 239000002131 composite material Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 229910021389 graphene Inorganic materials 0.000 description 6
- 239000000314 lubricant Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000004215 Carbon black (E152) Substances 0.000 description 5
- 239000000919 ceramic Substances 0.000 description 5
- 239000008187 granular material Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 238000005979 thermal decomposition reaction Methods 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical compound C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 description 4
- 230000000996 additive effect Effects 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 150000002894 organic compounds Chemical class 0.000 description 4
- 239000011343 solid material Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 238000002441 X-ray diffraction Methods 0.000 description 3
- 238000000137 annealing Methods 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- -1 etc. Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 238000000197 pyrolysis Methods 0.000 description 3
- 238000004611 spectroscopical analysis Methods 0.000 description 3
- 239000011269 tar Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
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- 238000004458 analytical method Methods 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 239000002717 carbon nanostructure Substances 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- KTWOOEGAPBSYNW-UHFFFAOYSA-N ferrocene Chemical compound [Fe+2].C=1C=C[CH-]C=1.C=1C=C[CH-]C=1 KTWOOEGAPBSYNW-UHFFFAOYSA-N 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 229930192474 thiophene Natural products 0.000 description 2
- 229910052723 transition metal Inorganic materials 0.000 description 2
- 150000003624 transition metals Chemical class 0.000 description 2
- 239000008096 xylene Substances 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical compound [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
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- 238000007664 blowing Methods 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 238000010000 carbonizing Methods 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 238000002474 experimental method Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000000976 ink Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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- 239000000758 substrate Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000004227 thermal cracking Methods 0.000 description 1
- 150000003623 transition metal compounds Chemical class 0.000 description 1
- 239000011882 ultra-fine particle Substances 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Classifications
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
- D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
- D01F9/12—Carbon filaments; Apparatus specially adapted for the manufacture thereof
- D01F9/127—Carbon filaments; Apparatus specially adapted for the manufacture thereof by thermal decomposition of hydrocarbon gases or vapours or other carbon-containing compounds in the form of gas or vapour, e.g. carbon monoxide, alcohols
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/05—Preparation or purification of carbon not covered by groups C01B32/15, C01B32/20, C01B32/25, C01B32/30
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/15—Nano-sized carbon materials
- C01B32/158—Carbon nanotubes
- C01B32/16—Preparation
- C01B32/162—Preparation characterised by catalysts
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2202/00—Structure or properties of carbon nanotubes
- C01B2202/20—Nanotubes characterized by their properties
- C01B2202/36—Diameter
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- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S977/00—Nanotechnology
- Y10S977/70—Nanostructure
- Y10S977/734—Fullerenes, i.e. graphene-based structures, such as nanohorns, nanococoons, nanoscrolls or fullerene-like structures, e.g. WS2 or MoS2 chalcogenide nanotubes, planar C3N4, etc.
- Y10S977/742—Carbon nanotubes, CNTs
- Y10S977/752—Multi-walled
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- Y10S977/00—Nanotechnology
- Y10S977/84—Manufacture, treatment, or detection of nanostructure
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Abstract
【解決手段】 外径15〜100nmの炭素繊維から構成される3次元ネットワーク状の炭素繊維構造体であって、前記炭素繊維構造体は、前記炭素繊維が複数延出する態様で、当該炭素繊維を互いに結合する粒状部を有しており、かつ当該粒状部は前記炭素繊維の成長過程において形成されてなるものであることを特徴とする炭素繊維構造体。
【選択図】 図4
Description
A)嵩密度が低い、
B)樹脂等のマトリックスに対する分散性が良い、
C)導電性が高い、
D)熱伝導性が高い、
E)摺動性が良い、
F)化学的安定性が良い、
G)熱的安定性が高い、
などの特性があり、これらを活かして樹脂、セラミックス、金属等の固体材料に対する複合材フィラーとして、あるいは、燃料、潤滑剤等の液体に対する添加剤として広い範囲に利用できる。
樹脂に混合することによる、導電性樹脂及び導電性樹脂成型体として,例えば包装材、ガスケット、容器、抵抗体、導電性繊維、電線、接着剤、インク、塗料等に好適に用いられる。また、樹脂との複合材に加え、無機材料、特にセラミックス、金属等の材料に添加した複合材においても同様の効果が期待できる。
上記導電性の利用の場合と同様の態様に加え、熱伝導性を高めるために燃料に添加することも可能である。
樹脂に混合することにより、電磁波遮蔽性塗料や成形して電磁波遮蔽材等として好適である。
摺動性を高めるために樹脂、金属に混合してロール、ブレーキ部品、タイヤ、ベアリング、潤滑油、歯車、パンタグラフ等に利用する。
燃料、潤滑剤等の可燃性液体の貯蔵ないし運搬時における安全性を高めるために、これら可燃性液体へと配合する。
まず、粉砕品の写真をSEMで撮影する。得られたSEM写真において、炭素繊維構造体の輪郭が明瞭なもののみを対象とし、炭素繊維構造体が崩れているようなものは輪郭が不明瞭であるために対象としなかった。1視野で対象とできる炭素繊維構造体(60〜80個程度)はすべて用い、3視野で約200個の炭素繊維構造体を対象とした。対象とされた各炭素繊維構造体の輪郭を、画像解析ソフトウェア WinRoof(商品名、三谷商事株式会社製)を用いてなぞり、輪郭内の面積を求め、各繊維構造体の円相当径を計算し、これを平均化した。
内径70mmで分散板付透明円筒に1g粉体を充填し、圧力0.1Mpa、容量1.3リットルの空気を分散板下部から送り粉体を吹出し、自然沈降させる。5回吹出した時点で沈降後の粉体層の高さを測定する。このとき測定箇所は6箇所とることとし、6箇所の平均を求めた後、嵩密度を算出した。
堀場ジョバンイボン製LabRam800を用い、アルゴンレーザーの514nmの波長を用いて測定した。
マックサイエンス製TG−DTAを用い、空気を0.1リットル/分の流速で流通させながら、10℃/分の速度で昇温し、燃焼挙動を測定した。燃焼時にTGは減量を示し、DTAは発熱ピークを示すので、発熱ピークのトップ位置を燃焼開始温度と定義した。
粉末X線回折装置(JDX3532、日本電子製)を用いて、アニール処理後の炭素繊維構造体を調べた。Cu管球で40kV、30mAで発生させたKα線を用いることとし、面間隔の測定は学振法(最新の炭素材料実験技術(分析・解析編)、炭素材料学会編)に従い、シリコン粉末を内部標準として用いた。
CNT粉体1gを秤取り、樹脂製ダイス(内寸40リットル、10W、80Hmm)に充填圧縮し、変位および荷重を読み取る。4端子法で定電流を流して、そのときの電圧を測定し、0.9g/cm3の密度まで測定したら、圧力を解除し復元後の密度を測定した。粉体抵抗については、0.5、0.8および0.9g/cm3に圧縮したときの抵抗を測定することとする。
CVD法によって、トルエンを原料として微細炭素繊維を合成した。
Claims (5)
- 外径15〜100nmの炭素繊維から構成される3次元ネットワーク状の炭素繊維構造体であって、前記炭素繊維構造体は、前記炭素繊維が複数延出する態様で、当該炭素繊維を互いに結合する粒状部を有しており、当該粒状部は、その粒径が前記炭素繊維の外径よりも大きく、かつ、炭素源として分解温度の異なる少なくとも2つ以上の炭素化合物を用いることにより、炭素物質を、繊維状に成長させる一方で、使用される触媒粒子の周面方向に成長させる成長過程において形成されてなるものであり、また前記炭素繊維構造体は圧縮密度0.8g/cm3において測定した粉体抵抗値が0.02Ω・cm以下であることを特徴とする炭素繊維構造体。
- 前記炭素繊維構造体は、面積基準の円相当平均径が50〜100μmであることを特徴とする請求項1に記載の炭素繊維構造体。
- 前記炭素繊維構造体は、嵩密度が、0.0001〜0.05g/cm3であることを特徴とする請求項1または2に記載の炭素繊維構造体。
- 前記炭素繊維構造体は、ラマン分光分析法で測定されるID/IGが、0.2以下であることを特徴とする請求項1〜3のいずれか1つに記載の炭素繊維構造体。
- 前記炭素繊維構造体は、空気中での燃焼開始温度が750℃以上であることを特徴とする請求項1〜4のいずれか1つに記載の炭素繊維構造体。
Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005075437A JP3776111B1 (ja) | 2004-08-31 | 2005-03-16 | 炭素繊維構造体 |
| PCT/JP2005/010173 WO2006025141A1 (ja) | 2004-08-31 | 2005-06-02 | 炭素繊維構造体 |
| US11/147,742 US20060078730A1 (en) | 2004-08-31 | 2005-06-08 | Carbon fibrous structure |
| EP05781536.7A EP1707655B1 (en) | 2004-08-31 | 2005-08-31 | Carbon fiber structure |
| PCT/JP2005/015935 WO2006025462A1 (ja) | 2004-08-31 | 2005-08-31 | 炭素繊維構造体 |
| CN2005800005822A CN1820097B (zh) | 2004-08-31 | 2005-08-31 | 碳纤维结构体 |
| CA2576733A CA2576733C (en) | 2004-08-31 | 2005-08-31 | Carbon fibrous structure |
| KR1020067000827A KR100719421B1 (ko) | 2004-08-31 | 2005-08-31 | 탄소 섬유 구조체 |
| US12/502,044 US20100015444A1 (en) | 2004-08-31 | 2009-07-13 | Carbon fibrous structure |
| US12/502,063 US8007755B2 (en) | 2004-08-31 | 2009-07-13 | Carbon fibrous structure |
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| JP2004252601 | 2004-08-31 | ||
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| JP2004347385 | 2004-11-30 | ||
| JP2004347385 | 2004-11-30 | ||
| JP2005075437A JP3776111B1 (ja) | 2004-08-31 | 2005-03-16 | 炭素繊維構造体 |
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| JP2006183225A JP2006183225A (ja) | 2006-07-13 |
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| US (3) | US20060078730A1 (ja) |
| JP (1) | JP3776111B1 (ja) |
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-
2005
- 2005-03-16 JP JP2005075437A patent/JP3776111B1/ja not_active Expired - Fee Related
- 2005-06-02 WO PCT/JP2005/010173 patent/WO2006025141A1/ja not_active Ceased
- 2005-06-08 US US11/147,742 patent/US20060078730A1/en not_active Abandoned
- 2005-08-31 CN CN2005800005822A patent/CN1820097B/zh not_active Expired - Fee Related
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2009
- 2009-07-13 US US12/502,063 patent/US8007755B2/en not_active Expired - Fee Related
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Also Published As
| Publication number | Publication date |
|---|---|
| US20090274611A1 (en) | 2009-11-05 |
| US20100015444A1 (en) | 2010-01-21 |
| US8007755B2 (en) | 2011-08-30 |
| JP2006183225A (ja) | 2006-07-13 |
| WO2006025141A1 (ja) | 2006-03-09 |
| CN1820097A (zh) | 2006-08-16 |
| US20060078730A1 (en) | 2006-04-13 |
| CN1820097B (zh) | 2010-05-12 |
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