JP6429137B2 - 可撓性基板の製造方法 - Google Patents
可撓性基板の製造方法 Download PDFInfo
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- JP6429137B2 JP6429137B2 JP2017530032A JP2017530032A JP6429137B2 JP 6429137 B2 JP6429137 B2 JP 6429137B2 JP 2017530032 A JP2017530032 A JP 2017530032A JP 2017530032 A JP2017530032 A JP 2017530032A JP 6429137 B2 JP6429137 B2 JP 6429137B2
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- OAXARSVKYJPDPA-UHFFFAOYSA-N tert-butyl 4-prop-2-ynylpiperazine-1-carboxylate Chemical compound CC(C)(C)OC(=O)N1CCN(CC#C)CC1 OAXARSVKYJPDPA-UHFFFAOYSA-N 0.000 description 1
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- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 239000010888 waste organic solvent Substances 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Classifications
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- 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
- H05K1/00—Printed circuits
- H05K1/02—Details
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- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
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- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
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- B32B7/04—Interconnection of layers
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- C—CHEMISTRY; METALLURGY
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
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- C08G73/1007—Preparatory processes from tetracarboxylic acids or derivatives and diamines
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- C—CHEMISTRY; METALLURGY
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/1067—Wholly aromatic polyimides, i.e. having both tetracarboxylic and diamino moieties aromatically bound
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/90—Methods of manufacture
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K99/00—Subject matter not provided for in other groups of this subclass
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
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- H—ELECTRICITY
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- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/0026—Apparatus for manufacturing conducting or semi-conducting layers, e.g. deposition of metal
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- H—ELECTRICITY
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- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
- H01B5/14—Non-insulated conductors or conductive bodies characterised by their form comprising conductive layers or films on insulating-supports
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/0236—Special surface textures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/0236—Special surface textures
- H01L31/02366—Special surface textures of the substrate or of a layer on the substrate, e.g. textured ITO/glass substrate or superstrate, textured polymer layer on glass substrate
-
- 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
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0277—Bendability or stretchability details
- H05K1/0283—Stretchable printed circuits
-
- 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
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/0313—Organic insulating material
-
- 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
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/0313—Organic insulating material
- H05K1/032—Organic insulating material consisting of one material
- H05K1/0346—Organic insulating material consisting of one material containing N
-
- 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
- H05K3/0011—Working of insulating substrates or insulating layers
- H05K3/0017—Etching of the substrate by chemical or physical means
- H05K3/0041—Etching of the substrate by chemical or physical means by plasma etching
-
- 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
- H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
- H05K3/20—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern by affixing prefabricated conductor pattern
-
- 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
- H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
- H05K3/20—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern by affixing prefabricated conductor pattern
- H05K3/207—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern by affixing prefabricated conductor pattern using a prefabricated paste pattern, ink pattern or powder pattern
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/621—Providing a shape to conductive layers, e.g. patterning or selective deposition
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K77/00—Constructional details of devices covered by this subclass and not covered by groups H10K10/80, H10K30/80, H10K50/80 or H10K59/80
- H10K77/10—Substrates, e.g. flexible substrates
- H10K77/111—Flexible substrates
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B2457/00—Electrical equipment
- B32B2457/10—Batteries
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B2457/12—Photovoltaic modules
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B2457/20—Displays, e.g. liquid crystal displays, plasma displays
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B2457/00—Electrical equipment
- B32B2457/20—Displays, e.g. liquid crystal displays, plasma displays
- B32B2457/206—Organic displays, e.g. OLED
-
- 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
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/01—Dielectrics
- H05K2201/0104—Properties and characteristics in general
- H05K2201/0108—Transparent
-
- 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
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
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- H05K2201/0137—Materials
- H05K2201/0154—Polyimide
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- 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
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/03—Conductive materials
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Description
[化学式1]
[化学式2a]
R11〜R14は、それぞれ独立して炭素数1〜4のアルキル基または炭素数1〜4のハロアルキル基であり、
aは、0〜3の整数、bは、0〜2の整数、c及びeは、それぞれ独立して0〜3の整数、dは、0〜4の整数、そして、fは、0〜3の整数である。
[化学式4a]
R21〜R23は、それぞれ独立して、炭素数1〜10のアルキル基または炭素数1〜10のハロアルキル基であり、
Xは、それぞれ独立して−O−、−CR24R25−、−C(=O)−、−C(=O)O−、−C(=O)NH−、−S−、−SO−、−SO2−、−O[CH2CH2O]q−、炭素数6〜18の一環式または多環式のシクロアルキレン基、炭素数6〜18の一環式または多環式のアリーレン基、及びこれらの組合わせからなる群から選択され、この際、前記R24及びR25は、それぞれ独立して水素原子、炭素数1〜10のアルキル基、及び炭素数1〜10のハロアルキル基からなる群から選択され、qは、1または2の整数であり、
l、m及びnは、それぞれ独立して0〜4の整数であり、そして、
pは、0または1の整数である。
[化学式1]
[化学式2a]
R11〜R14は、それぞれ独立して炭素数1〜4のアルキル基(例えば、メチル基、エチル基、プロピル基など)または炭素数1〜4のハロアルキル基(例えば、フルオロメチル基、ブロモメチル基、クロロメチル基、トリフルオロメチル基など)であり、そして、
aは、0〜3の整数、bは、0〜2の整数、c及びeは、それぞれ独立して0〜3の整数、dは、0〜4の整数、そして、fは、0〜3の整数であり、前記b、c、d及びeは、0の整数であることが望ましい。
[化学式3a]
[化学式4a]
R21〜R23は、それぞれ独立して、炭素数1〜10のアルキル基(例えば、メチル基、エチル基、プロピル基など)または炭素数1〜10のハロアルキル基(例えば、フルオロメチル基、ブロモメチル基、クロロメチル基、トリフルオロメチル基など)であり、
Xは、それぞれ独立して−O−、−CR24R25−、−C(=O)−、−C(=O)O−、−C(=O)NH−、−S−、−SO−、−SO2−、−O[CH2CH2O]q−、炭素数6〜18の一環式または多環式のシクロアルキレン基(例えば、シクロヘキシレン基、ノルボルネン基など)、炭素数6〜18の一環式または多環式のアリーレン基(例えば、フェニレン基、ナフタレン基など)、及びこれらの組合わせからなる群から選択され、この際、前記R24及びR25は、それぞれ独立して水素原子、炭素数1〜10のアルキル基(例えば、メチル基、エチル基、プロピル基など)、及び炭素数1〜10のハロアルキル基(例えば、フルオロメチル基、ブロモメチル基、クロロメチル基、トリフルオロメチル基など)からなる群から選択され、qは、1または2の整数であり、
l、m及びnは、それぞれ独立して0〜4の整数であり、望ましくは、0であり、そして、
pは、0または1の整数であり、望ましくは、0である。
この際、前記金属パターンは、0.05mm〜50mmの間隔で配列されうる。
キャリア基板としてBPDA 1molとPDA 0.99molとを重合させて製造したポリアミック酸系樹脂20重量%と溶媒としてDMAc 80重量%とを含む組成物を支持体上にキャスティングした後、120℃の温度での乾燥工程及び150℃−230℃−300℃−400℃の温度での硬化工程(30分間)を連続して実施して、厚さ50μのポリイミド系樹脂(キャリア基板)を含むフィルムをロール状に製造した。
Instron社のUTMを使ってフィルムの機械的物性(モジュラス、最高ストレス、最高延伸率)を測定した。具体的に、フィルムを5mmx60mm以上に切った後、グリップ間の間隔は40mmに設定して、20mm/minの速度でサンプルを引っ張りながら引張強度を確認した。
フィルムの熱膨張係数(CTE)及び寸法変化は、TA社のQ400を用いて測定した。15μ厚さのフィルムを5mmx20mmのサイズに準備した後、アクセサリーを用いて試料をローディングした。実際に測定されるフィルムの長さは、16mmに同様にした。フィルムを引っ張る力を0.02Nに設定し、測定開始温度は、30℃から5℃/minの速度で300℃まで加熱し、それを再び−5℃/minで80℃に冷却させた後、再び5℃/minの速度で400℃まで加熱し、100℃〜200℃の範囲で平均値としてポリイミド系フィルムのMD及びTD方向の線熱膨張係数を測定した。
実施例1と同じ方法で実施するが、図2に示したように、キャリア基板上に可撓性基板形成用組成物を塗布する前に、キャリア基板上にアルミニウムを200nmの厚さに蒸着し、微細パターンをパターニングした。具体的に、レジストインクをシリコン系ブランケット上に前面コーティングした後、前記ブランケット上に微細パターンが陰刻で刻印されているクリシェ(cliche)を接触させることによって、前記シリコン系ブランケット上にパターンを形成した後、一部塗膜を除去することによって、微細パターンが形成されたシリコン系ブランケットを製造した。前記シリコン系ブランケットに形成されたレジストインクの微細パターンを前記キャリア基板上に蒸着されたアルミニウムに転写した後、115℃オーブンで3分間乾燥して、レジストパターン内に残留した溶媒を除去した。前記レジストがパターニングされたアルミニウム基板をエッチング液を使って温度45℃の条件でスプレー方式でエッチングした。脱イオン水でエッチング液をきれいに洗浄及び乾燥した後、残っているレジストインクをストリッパー(stripper)を用いて除去して、キャリア基板上にアルミニウム配線を製作した。
2:キャリア基板供給手段
3:金属パターン
5:硬化性高分子
10:可撓性基板収去手段
11:可撓性基板層
13:金属パターンが形成された可撓性基板層
20:キャリア基板収去手段
Claims (19)
- ポリイミド系樹脂を含むキャリア基板を供給する段階と、
前記キャリア基板上に硬化性高分子を含む可撓性基板層を形成する段階と、
前記キャリア基板及び可撓性基板層の化学的変化を引き起こさない物理的刺激を加えて、前記可撓性基板層をキャリア基板層と分離させる段階と、
前記キャリア基板層と分離された可撓性基板層とを巻き取ってロール状に収去する段階と、
を含み、
前記段階が、ロールツーロール(roll to roll)工程によって行われ、
前記可撓性基板層の形成後、可撓性基板層上にハードコーティング層を形成する段階をさらに含むことによって、ハードコーティング層が形成された可撓性基板を製造する、
可撓性基板の製造方法。 - 前記ハードコーティング層上に金属パターンを形成する段階をさらに含む、
請求項1に記載の可撓性基板の製造方法。 - ポリイミド系樹脂を含むキャリア基板を供給する段階と、
前記キャリア基板上に硬化性高分子を含む可撓性基板層を形成する段階と、
前記キャリア基板及び可撓性基板層の化学的変化を引き起こさない物理的刺激を加えて、前記可撓性基板層をキャリア基板層と分離させる段階と、
前記キャリア基板層と分離された可撓性基板層とを巻き取ってロール状に収去する段階と、
を含み、
前記段階が、ロールツーロール(roll to roll)工程によって行われ、
前記可撓性基板層の形成前に、前記キャリア基板上に金属パターンを形成する段階をさらに含むことによって、金属パターンが形成された可撓性基板を製造し、
前記金属パターンが形成された可撓性基板層上にハードコーティング層を形成する段階をさらに含むことによって、ハードコーティング層が形成された可撓性基板を製造する、
可撓性基板の製造方法。 - ポリイミド系樹脂を含むキャリア基板を供給する段階と、
前記キャリア基板上に硬化性高分子を含む可撓性基板層を形成する段階と、
前記キャリア基板及び可撓性基板層の化学的変化を引き起こさない物理的刺激を加えて、前記可撓性基板層をキャリア基板層と分離させる段階と、
前記キャリア基板層と分離された可撓性基板層とを巻き取ってロール状に収去する段階と、
を含み、
前記段階が、ロールツーロール(roll to roll)工程によって行われ、
前記可撓性基板層の形成前に、前記キャリア基板上に金属パターンを形成する段階をさらに含むことによって、金属パターンが形成された可撓性基板を製造し、
前記ポリイミド系樹脂を含むキャリア基板上に前記可撓性基板層の少なくとも一部が直接接触している、
可撓性基板の製造方法。 - ポリイミド系樹脂を含むキャリア基板を供給する段階と、
前記キャリア基板上に硬化性高分子を含む可撓性基板層を形成する段階と、
前記キャリア基板及び可撓性基板層の化学的変化を引き起こさない物理的刺激を加えて、前記可撓性基板層をキャリア基板層と分離させる段階と、
前記キャリア基板層と分離された可撓性基板層とを巻き取ってロール状に収去する段階と、
を含み、
前記段階が、ロールツーロール(roll to roll)工程によって行われ、
前記可撓性基板層の形成前に、前記キャリア基板上に金属パターンを形成する段階をさらに含むことによって、金属パターンが形成された可撓性基板を製造し、
前記金属パターンが、前記可撓性基板層に埋め込まれている形態である
可撓性基板の製造方法。 - ポリイミド系樹脂を含むキャリア基板を供給する段階と、
前記キャリア基板上に硬化性高分子を含む可撓性基板層を形成する段階と、
前記キャリア基板及び可撓性基板層の化学的変化を引き起こさない物理的刺激を加えて、前記可撓性基板層をキャリア基板層と分離させる段階と、
前記キャリア基板層と分離された可撓性基板層とを巻き取ってロール状に収去する段階と、
を含み、
前記段階が、ロールツーロール(roll to roll)工程によって行われ、
前記物理的刺激は、前記キャリア基板及び可撓性基板層を巻き取って収去する工程で加えられる張力である、
可撓性基板の製造方法。 - 前記可撓性基板層の形成前に、前記キャリア基板上に金属パターンを形成する段階をさらに含むことによって、金属パターンが形成された可撓性基板を製造する、
請求項6に記載の可撓性基板の製造方法。 - 前記可撓性基板層は、ジアミンに比べて過量の酸二無水物を含む組成物を、前記キャリア基板上にキャスティングした後、加熱及び硬化して製造するものである、
請求項1から7のいずれか1項に記載の可撓性基板の製造方法。 - 前記可撓性基板層の形成前に、前記キャリア基板上にハードコーティング層を形成する段階をさらに含むことによって、ハードコーティング層が形成された可撓性基板を製造する、
請求項1から8のいずれか1項に記載の可撓性基板の製造方法。 - 前記可撓性基板層と分離された前記キャリア基板層とが巻き取られてロール状に収去される段階をさらに含む、
請求項1から9のいずれか1項に記載の可撓性基板の製造方法。 - 前記可撓性基板層に前記物理的刺激が加えられる前において、前記可撓性基板層に対して1N/cm以上の接着力を有する、
請求項1から10のいずれか1項に記載の可撓性基板の製造方法。 - 前記物理的刺激が加えられた後、前記可撓性基板層に対して0.3N/cm以下の剥離強度(peel strength)を有する
請求項1から11のいずれか1項に記載の可撓性基板の製造方法。 - 前記キャリア基板と可撓性基板層に化学的変化を引き起こさない物理的刺激が加えられる前、可撓性基板層に対するキャリア基板層の接着力(A1)と、前記物理的刺激が加えられた後、可撓性基板層に対するキャリア基板層の接着力(A2)と、の比(A2/A1)が、0.001〜0.5である
請求項1から12のいずれか1項に記載の可撓性基板の製造方法。 - 前記キャリア基板に含まれたポリイミド系樹脂が、下記の化学式1の芳香族テトラカルボン酸二無水物と直線状の構造を有する芳香族ジアミン化合物とを反応させて製造したポリアミック酸を200℃以上の温度で硬化させて製造されたものである、
請求項1から13のいずれか1項に記載の可撓性基板の製造方法:
[化学式1]
[化学式2a]
R11〜R14は、それぞれ独立して炭素数1〜4のアルキル基または炭素数1〜4のハロアルキル基であり、
aは、0〜3の整数、bは、0〜2の整数、c及びeは、それぞれ独立して0〜3の整数、dは、0〜4の整数、そして、fは、0〜3の整数である。 - 前記芳香族テトラカルボン酸二無水物を前記芳香族ジアミン化合物に比べて過量で反応させる、
請求項14に記載の可撓性基板の製造方法。 - 前記芳香族ジアミン化合物は、下記の化学式4aまたは化学式4bの芳香族ジアミン化合物である、
請求項14または15に記載の可撓性基板の製造方法:
[化学式4a]
R21〜R23は、それぞれ独立して、炭素数1〜10のアルキル基または炭素数1〜10のハロアルキル基であり、
Xは、それぞれ独立して−O−、−CR24R25−、−C(=O)−、−C(=O)O−、−C(=O)NH−、−S−、−SO−、−SO2−、−O[CH2CH2O]q−、炭素数6〜18の一環式または多環式のシクロアルキレン基、炭素数6〜18の一環式または多環式のアリーレン基、及びこれらの組み合わせからなる群から選択され、この際、前記R24及びR25は、それぞれ独立して水素原子、炭素数1〜10のアルキル基、及び炭素数1〜10のハロアルキル基からなる群から選択され、qは、1または2の整数であり、
l、m及びnは、それぞれ独立して0〜4の整数であり、そして、
pは、0または1の整数である。 - 前記可撓性基板層から分離されたキャリア基板を収去して再使用する段階をさらに含む、
請求項1から16のいずれか1項に記載の可撓性基板の製造方法。 - キャリア基板を巻き出し、供給するキャリア基板供給手段と、
前記キャリア基板を移送する移送手段と、
前記キャリア基板上に硬化性高分子を塗布して可撓性基板形成用樹脂層を形成する高分子コーティング手段と、
前記可撓性基板形成用樹脂層を硬化させるための手段と、
前記キャリア基板上に積層された前記可撓性基板層を巻き取って収去する可撓性基板層収去手段と、
前記可撓性基板層が分離されたキャリア基板を巻き取って収去するキャリア基板収去手段と、
を備える、
請求項1から17のいずれか1項に記載の可撓性基板の製造方法を実行するための、
可撓性基板の製造装置。 - 前記キャリア基板上に金属パターンを形成するパターニング手段をさらに備える、
請求項18に記載の可撓性基板の製造装置。
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