JP2014141679A - 回路部材の接続方法及び回路部材の接続構造 - Google Patents
回路部材の接続方法及び回路部材の接続構造 Download PDFInfo
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- JP2014141679A JP2014141679A JP2014045370A JP2014045370A JP2014141679A JP 2014141679 A JP2014141679 A JP 2014141679A JP 2014045370 A JP2014045370 A JP 2014045370A JP 2014045370 A JP2014045370 A JP 2014045370A JP 2014141679 A JP2014141679 A JP 2014141679A
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- JP
- Japan
- Prior art keywords
- adhesive layer
- connection terminal
- bisphenol
- adhesive film
- layer containing
- 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.)
- Granted
Links
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/321—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by conductive adhesives
- H05K3/323—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by conductive adhesives by applying an anisotropic conductive adhesive layer over an array of pads
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J163/00—Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J171/00—Adhesives based on polyethers obtained by reactions forming an ether link in the main chain; Adhesives based on derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J9/00—Adhesives characterised by their physical nature or the effects produced, e.g. glue sticks
- C09J9/02—Electrically-conducting adhesives
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L24/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L24/28—Structure, shape, material or disposition of the layer connectors prior to the connecting process
- H01L24/29—Structure, shape, material or disposition of the layer connectors prior to the connecting process of an individual layer connector
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/80—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
- H01L24/83—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a layer connector
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/04—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation using electrically conductive adhesives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
- C09J2203/326—Applications of adhesives in processes or use of adhesives in the form of films or foils for bonding electronic components such as wafers, chips or semiconductors
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/302—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being pressure-sensitive, i.e. tacky at temperatures inferior to 30°C
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
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Abstract
本発明は、COG実装やCOF実装に対して低抵抗の電気接続が得られ、且つ液晶表示用ガラスパネルへ液晶駆動用ICを実装した後のパネル反りが十分に防止される回路部材の接続方法を提供することを目的とする。
【解決手段】
第1の接続端子を有する第1の回路部材と、第2の接続端子を有する第2の回路部材とを、第1の接続端子と前記第2の接続端子とを対向して配置し、対向配置した第1の接続端子と第2の接続端子との間に接着フィルムを介在させ、加熱加圧して、対向配置した第1の接続端子と第2の接続端子とを電気的に接続させる回路部材の接続方法であって、接着フィルムは、導電粒子を含有する導電性接着層と、絶縁性接着層と、が積層されてなる接着フィルムであり、絶縁性接着層及び導電性接着層は所定の要件を満たす、回路部材の接続方法。
【選択図】図1
Description
このような本発明の接着フィルムにおいては、加熱加圧をする際に導電性接着層よりも絶縁性接着層のほうが優先的に流動する。このため、回路接続の際には、回路基板上の回路電極同士の間の空隙に絶縁性接着層が充填されやすくなり、導電性接着剤層中の導電粒子がこの空隙中へ流入することを防ぐことができやすくなり、隣接電極間でのショート発生が十分に防止されると考えられる。
さらに、導電性接着剤層中の導電粒子が上記空隙中へ流入することが防止されれば、接続しようとする回路電極間に捕捉される導電粒子の数が多くなり、低抵抗の電気接続が得られやすくなると考えられる。
また、C/Dの値が上記数値範囲内にあることで、この値が3.0を超える場合と比較して、導電性接着層の流動性に対する絶縁性接着層の流動性が高くなりすぎない。これにより、回路電極同士の良好な導通特性と接着性を両立することができ、接着フィルムの高い信頼性を維持できると考えられる。
本発明は、導電粒子を含有する導電性接着層と、絶縁性接着層とが積層されており、積層方向に所定の条件で加熱加圧した後の、硬化した絶縁性接着層の主面の面積Cを、硬化した導電性接着層の主面の面積Dで除した値C/Dが1.2〜3.0である接着フィルムを提供する。
(1)ビスフェノールF型フェノキシ樹脂を含有する絶縁性接着層。
(2)重量平均分子量1000〜10000のビスフェノールA型固形エポキシ樹脂、重量平均分子量1000〜10000のA・F型固形エポキシ樹脂、及び、重量平均分子量1000〜10000のF型固形エポキシ樹脂のうち少なくともいずれかを含有する絶縁性接着層。
(3)ビスフェノールA型フェノキシ樹脂、又は、ビスフェノールA・F共重合型フェノキシ樹脂を含有する導電性接着層。
(4)分子内にフルオレン環を含むフェノキシ樹脂を含有する導電性接着層。
(5)樹脂成分100体積部に対して粒径0.1〜1.0μmの非導電性微粒子を5〜30体積部含有する導電性接着層。
本発明は、第1の接続端子を有する第1の回路部材と、第2の接続端子を有する第2の回路部材とを、第1の接続端子と第2の接続端子とを対向して配置し、対向配置した第1の接続端子と第2の接続端子との間に上述の接着フィルムを介在させ、加熱加圧して、第1の接続端子と第2の接続端子とを電気的に接続させてなる回路部材の接続構造を提供する。
ビスフェノールF型フェノキシ樹脂100gを、質量比50:50のトルエン(沸点110.6℃、SP値8.90)と酢酸エチル(沸点77.1℃、SP値9.10)との混合溶剤に溶解させ、固形分60質量%の溶液を得た。その溶液に、液状エポキシを配合し、更に潜在性硬化剤として芳香族スルホニウム塩2.4gを添加して混合液を得た。なお、上記液状エポキシは、ビスフェノールF型フェノキシ樹脂:液状エポキシが固形質量比で60:40となる量を配合した。得られた混合液を、厚み50μmの片面がシリコーンで表面処理されたPETフィルムに塗工装置を用いて塗布した後、70℃、5分間の熱風乾燥により、厚みが10μmの絶縁性接着層を形成した。
絶縁性接着層の形成を下記のように代えた以外は、実施例1と同様にしてPETフィルム付接着フィルムを得た。ビスフェノールF型フェノキシ樹脂100gを、質量比50:50のトルエンと酢酸エチルとの混合溶剤に溶解させ、固形分60質量%の第1の溶液を得た。一方、ビスフェノールA・F共重合型フェノキシ樹脂50gを、質量比50:50のトルエンと酢酸エチルとの混合溶剤に溶解させ、固形分45質量%の第2の溶液を得た。上述の第1及び第2の溶液を混合し、その混合液に更に液状エポキシを配合した。これらはビスフェノールF型フェノキシ樹脂:ビスフェノールA・F共重合型フェノキシ樹脂:液状エポキシが固形質量比で30:30:40となる量で配合した。得られた配合液に更に潜在性硬化剤として芳香族スルホニウム塩2.4gを添加して混合液を得た。得られた混合液を、厚み50μmの片面がシリコーンで表面処理されたPETフィルムに塗工装置を用いて塗布した後、70℃、5分間の熱風乾燥により、厚みが10μmの絶縁性接着層を形成した。
ビスフェノールA型フェノキシ樹脂50gを、質量比50:50のトルエンと酢酸エチルとの混合溶剤に溶解させ、固形分40質量%の第1の溶液を得た。一方、ビスフェノールA・F共重合型フェノキシ樹脂50gを、質量比50:50のトルエンと酢酸エチルとの混合溶剤に溶解させ、固形分45質量%の第2の溶液を得た。上述の第1及び第2の溶液を混合し、その混合液に更に液状エポキシを配合した。これらはビスフェノールA型フェノキシ樹脂:ビスフェノールA・F共重合型フェノキシ樹脂:液状エポキシが固形質量比で30:30:40となる量で配合した。得られた配合液に更に潜在性硬化剤として芳香族スルホニウム塩2.4gを添加して混合液を得た。得られた混合液を、厚み50μmの片面がシリコーンで表面処理されたPETフィルムに塗工装置を用いて塗布した後、70℃、5分間の熱風乾燥により、厚みが10μmの絶縁性接着層を形成した。
絶縁性接着層を下記のように形成したこと以外は、実施例1と同様にしてPETフィルム付接着フィルムを得た。ビスフェノールF型フェノキシ樹脂100gを、質量比50:50のトルエンと酢酸エチルとの混合溶剤に溶解させ、固形分60質量%の溶液を得た。その溶液に、液状エポキシを配合して混合液を得た。なお、上記液状エポキシは、ビスフェノールF型フェノキシ樹脂:液状エポキシが固形質量比で60:40となる量を配合した。得られた混合液を、潜在性硬化剤である芳香族スルホニウム塩を添加せずに、厚み50μmの片面がシリコーンで表面処理されたPETフィルムに塗工装置を用いて塗布した後、70℃、5分間の熱風乾燥により、厚みが10μmの絶縁性接着層を形成した。
実施例1、2及び比較例1、2の接着フィルムをそれぞれ用いて、回路部材の接続構造を作製した。詳細には、まず、接着フィルムの導電性接着層側のPETフィルムを剥離除去して、導電性接着層の表面を露出した。次に、厚み0.5mmのガラス上にITO膜を蒸着により形成してITO基板(表面抵抗<20Ω/□)を得た。次いで、ITO膜の表面に上記接着フィルムの導電性接着層の表面を向かい合わせて接触させながら、70℃、0.5MPa、3秒間の条件でそれらの積層方向に加熱加圧して、ITO基板に接着フィルムを仮固定した。その後、接着フィルムからもう一方のPETフィルムを剥離除去した。次に、バンプ面積30μm×50μm、ピッチ40μm、高さ15μmの2列(千鳥配列)の金バンプを設けたICチップを上記接着フィルム上に載置した。ICチップを載置した接着フィルムを石英ガラス及び加圧ヘッドで挟み、160℃、100MPa、10秒間の条件で加熱加圧することにより、ITO基板とICチップとを接続して回路部材の接続構造を作製した。
上述の接続構造について、ITO基板のガラス側から金属顕微鏡(倍率500倍)で30μm×50μmの領域を200ヶ所観察して、ITO基板と金バンプに挟まれた導電粒子の数をカウントした。そして、一領域当たりの導電粒子の数を相加平均により求めた。その結果を表1に示す。
実施例1、2及び比較例1、2の接着フィルムを用いて得られた回路部材の接続構造について、その接続部の電気抵抗値を、初期と、高温高湿槽(85℃85%RH環境下)中に500時間保持した後とにおいて、4端子測定法を用いマルチメータで測定した。その結果を表1に示す。
実施例1,2及び比較例1、2の接着フィルムをφ5.5mmの円板状に切り出した。次いで切り出した接着フィルムを、厚み0.7mm、15mm×15mmの2枚のガラス板に挟み、160℃、2MPa、10秒間の条件で加熱加圧を行った。加熱加圧前の接着フィルムの主面の面積Aと、加熱加圧後の硬化した絶縁性接着層の主面の面積CとからC/Aの値を求めた。さらに加熱加圧前の接着フィルムの主面の面積Aと加熱加圧後の硬化した導電性接着層の主面の面積Dとから、導電性接着層のD/Aの値を求め、C/Aの値をD/Aの値で除することにより、C/Dの値を算出した。その結果を表1に示す。
なお、上記主面の面積C及びDは、ガラス板の加熱加圧後の硬化した接着フィルムの広がりを、スキャナー等を用いて撮像し、画像処理装置を用いて求めた。面積Cは、接着フィルムの最外周によって囲まれた部分の面積であり、面積Dは、最外周の内側の周によって囲まれた部分の面積である。これらは、最外周と最外周の内側の周との間の部分が、肉眼では白色透明に、スキャナーで撮像したときには薄青色に見え、また、最外周の内側の周の内側の部分が、肉眼では黒っぽく、スキャナーで撮像したときには白色に見えるので区別できる。加熱加圧後の硬化した接着フィルムをスキャナーで撮像した像を、図2に示す。なお、図2に示す硬化した接着フィルムの最外周の直径は約9mmである。
Claims (7)
- 第1の接続端子を有する第1の回路部材と、
第2の接続端子を有する第2の回路部材とを、
前記第1の接続端子と前記第2の接続端子とを対向して配置し、
対向配置した前記第1の接続端子と前記第2の接続端子との間に接着フィルムを介在させ、加熱加圧して、対向配置した前記第1の接続端子と前記第2の接続端子とを電気的に接続させる回路部材の接続方法であって、
前記接着フィルムは、導電粒子を含有する導電性接着層と、絶縁性接着層と、が積層されてなる接着フィルムであり、
前記絶縁性接着層は、下記(1)、(2)のうちいずれか1層であり、
前記導電性接着層は、下記(3)〜(5)のうちいずれか1層である、回路部材の接続方法。
(1)ビスフェノールF型フェノキシ樹脂を含有する絶縁性接着層。
(2)重量平均分子量1000〜10000のビスフェノールA型固形エポキシ樹脂、重量平均分子量1000〜10000のA・F型固形エポキシ樹脂、及び、重量平均分子量1000〜10000のF型固形エポキシ樹脂のうち少なくともいずれかを含有する絶縁性接着層。
(3)ビスフェノールA型フェノキシ樹脂、又は、ビスフェノールA・F共重合型フェノキシ樹脂を含有する導電性接着層。
(4)分子内にフルオレン環を含むフェノキシ樹脂を含有する導電性接着層。
(5)樹脂成分100体積部に対して粒径0.1〜1.0μmの非導電性微粒子を5〜30体積部含有する導電性接着層。 - 第1の接続端子を有する第1の回路部材と、
第2の接続端子を有する第2の回路部材とを、
前記第1の接続端子と前記第2の接続端子とを対向して配置し、
対向配置した前記第1の接続端子と前記第2の接続端子との間に接着フィルムを介在させ、加熱加圧して、前記第1の接続端子と前記第2の接続端子とを電気的に接続させてなる回路部材の接続構造であって、
前記接着フィルムは、導電粒子を含有する導電性接着層と、絶縁性接着層と、が積層されてなる接着フィルムであり、
前記絶縁性接着層は、下記(1)、(2)のうちいずれか1層であり、
前記導電性接着層は、下記(3)〜(5)のうちいずれか1層である、回路部材の接続構造。
(1)ビスフェノールF型フェノキシ樹脂を含有する絶縁性接着層。
(2)重量平均分子量1000〜10000のビスフェノールA型固形エポキシ樹脂、重量平均分子量1000〜10000のA・F型固形エポキシ樹脂、及び、重量平均分子量1000〜10000のF型固形エポキシ樹脂のうち少なくともいずれかを含有する絶縁性接着層。
(3)ビスフェノールA型フェノキシ樹脂、又は、ビスフェノールA・F共重合型フェノキシ樹脂を含有する導電性接着層。
(4)分子内にフルオレン環を含むフェノキシ樹脂を含有する導電性接着層。
(5)樹脂成分100体積部に対して粒径0.1〜1.0μmの非導電性微粒子を5〜30体積部含有する導電性接着層。 - 導電粒子を含有する導電性接着層と、絶縁性接着層と、が積層されており、
前記絶縁性接着層は、下記(1)、(2)のうちいずれか1層であり、
前記導電性接着層は、下記(3)〜(5)のうちいずれか1層である接着フィルム。
(1)ビスフェノールF型フェノキシ樹脂を含有する絶縁性接着層。
(2)重量平均分子量1000〜10000のビスフェノールA型固形エポキシ樹脂、重量平均分子量1000〜10000のA・F型固形エポキシ樹脂、及び、重量平均分子量1000〜10000のF型固形エポキシ樹脂のうち少なくともいずれかを含有する絶縁性接着層。
(3)ビスフェノールA型フェノキシ樹脂、又は、ビスフェノールA・F共重合型フェノキシ樹脂を含有する導電性接着層。
(4)分子内にフルオレン環を含むフェノキシ樹脂を含有する導電性接着層。
(5)樹脂成分100体積部に対して粒径0.1〜1.0μmの非導電性微粒子を5〜30体積部含有する導電性接着層。 - 相対峙する接続端子間を電気的に接続するために用いられる、請求項3記載の接着フィルム。
- 前記絶縁性接着層及び/又は前記導電性接着層が、フィルム形成材、エポキシ樹脂及び潜在性硬化剤を含む、請求項3又は4記載の接着フィルム。
- 前記絶縁性接着層及び/又は前記導電性接着層が、エポキシ樹脂及び潜在性硬化剤を含む、請求項3又は4記載の接着フィルム。
- COG(Chip-On-Glass)実装又はCOF(Chip-On-Flex)実装に用いられる、請求項3又は4記載の接着フィルム。
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JP2023076211A (ja) * | 2021-11-22 | 2023-06-01 | 福田金属箔粉工業株式会社 | 導電性接着剤 |
CN115044311B (zh) * | 2022-08-17 | 2022-11-29 | 江苏凯伦建材股份有限公司 | 一种耐高温热熔胶膜及其制备方法和覆膜板 |
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Also Published As
Publication number | Publication date |
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JP6230935B2 (ja) | 2017-11-15 |
CN102153957B (zh) | 2013-12-04 |
KR20110107878A (ko) | 2011-10-04 |
CN102153957A (zh) | 2011-08-17 |
JP2013065563A (ja) | 2013-04-11 |
JP2017020047A (ja) | 2017-01-26 |
JPWO2008056773A1 (ja) | 2010-02-25 |
CN102408840A (zh) | 2012-04-11 |
KR101100575B1 (ko) | 2011-12-29 |
KR101100569B1 (ko) | 2011-12-29 |
JP6237855B2 (ja) | 2017-11-29 |
TW201217482A (en) | 2012-05-01 |
KR20110056341A (ko) | 2011-05-26 |
WO2008056773A1 (en) | 2008-05-15 |
KR101100442B1 (ko) | 2011-12-29 |
KR20090080119A (ko) | 2009-07-23 |
TWI391460B (zh) | 2013-04-01 |
CN101536260B (zh) | 2012-01-11 |
CN101536260A (zh) | 2009-09-16 |
TW200842173A (en) | 2008-11-01 |
CN102447168A (zh) | 2012-05-09 |
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