JP5587522B2 - 透明導電パターンの製造方法 - Google Patents
透明導電パターンの製造方法 Download PDFInfo
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- JP5587522B2 JP5587522B2 JP2014503564A JP2014503564A JP5587522B2 JP 5587522 B2 JP5587522 B2 JP 5587522B2 JP 2014503564 A JP2014503564 A JP 2014503564A JP 2014503564 A JP2014503564 A JP 2014503564A JP 5587522 B2 JP5587522 B2 JP 5587522B2
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Images
Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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- 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
- H05K3/105—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 conversion of non-conductive material on or in the support into conductive material, e.g. by using an energy beam
- H05K3/106—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 conversion of non-conductive material on or in the support into conductive material, e.g. by using an energy beam by photographic methods
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- 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
- H01B13/003—Apparatus or processes specially adapted for manufacturing conductors or cables using irradiation
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- 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
- H01B13/0026—Apparatus for manufacturing conducting or semi-conducting layers, e.g. deposition of metal
-
- 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
-
- 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
- H05K1/0306—Inorganic insulating substrates, e.g. ceramic, glass
-
- 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
- H05K1/09—Use of materials for the conductive, e.g. metallic pattern
- H05K1/092—Dispersed materials, e.g. conductive pastes or inks
- H05K1/097—Inks comprising nanoparticles and specially adapted for being sintered at low temperature
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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
- H05K2201/01—Dielectrics
- H05K2201/0104—Properties and characteristics in general
- H05K2201/0108—Transparent
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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
- H05K2201/02—Fillers; Particles; Fibers; Reinforcement materials
- H05K2201/0203—Fillers and particles
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Manufacturing Of Electric Cables (AREA)
- Non-Insulated Conductors (AREA)
- Manufacturing Of Printed Wiring (AREA)
- Laminated Bodies (AREA)
Description
ポリビニルピロリドンK−90((株)日本触媒社製)(0.049g)、AgNO3(0.052g)およびFeCl3(0.04mg)を、エチレングリコール(12.5mlに溶解し、150℃で1時間加熱反応した。得られた析出物を遠心分離により単離し、析出物(銀ナノワイヤ)をエタノールに再分散させ、銀ナノワイヤを2質量%含む分散液を得た。図2(a)、(b)に、分散液のエタノールを除去、乾燥して得られた銀ナノワイヤのSEM像を示す。使用したSEMは、日立ハイテク株式会社製 FE−SEM S−5200である。
<透明導電パターンの作製>
上記銀ナノワイヤの分散液を表1に記載の銀ナノワイヤ濃度となるようにエタノールで希釈、調製し、この分散液を125μm厚のPETフィルム(東レ株式会社製ルミラー 易接着グレード)上にドロップコートにより塗布し、6時間風乾することにより、上記銀ナノワイヤを基板上に堆積した。
表1の実施例1〜12の条件でパルス光を照射する前後の銀ナノ粒子の堆積層について、三菱化学株式会社製LORESTA−GP MCP−T610 4探針法表面抵抗率、体積抵抗率測定装置を使用して表面抵抗値を測定した。なお、その際、ドロップコートした塗膜を2cm角に切り取り、測定を行った。
上記銀ナノワイヤをエタノールに濃度1質量%となるように分散した分散液を用いて実施例同様銀ナノワイヤを基板上に堆積した。その後パルス光を照射する代わりに、加熱炉(空気雰囲気)により100℃、10分間加熱した。表面抵抗値は加熱前後でほとんど変化しなかった。また、基板にPETフィルムを使用しているので、100℃より高い温度では加熱出来なかった。
<透明導電パターンの作製>
上記2質量%銀ナノワイヤ分散液に対して、テルピネオール(日本テルペン化学(株))を少量加え、良く分散させた後、エタノールを留去し溶媒置換を行った。その後テルソルブ MTPH(日本テルペン化学(株)製、イソボルニルシクロヘキサノール)およびテルピネオールを最終的に分散媒の濃度がテルピネオール/テルソルブ MTPH=1/8(質量比)となるように加え、(株)シンキー社製のARV−310を用いてよく分散させた分散液を得た。なお、最終的に得られる分散液の濃度が1質量%になるよう、最初に加える少量のテルピネオールの量は予め計算して決定しておいた。
実施例1〜12同様三菱化学株式会社製LORESTA−GP MCP−T610 4探針法表面抵抗率、体積抵抗率測定装置を使用してパルス光を照射する前後の銀ナノ粒子印刷パターンの表面抵抗値および光線透過率を測定した。パルス光照射前では抵抗値が測定できるほど抵抗は下がらなかった(表2では、OLと表記)。実施例1〜6同様銀ナノワイヤが1質量%であるにもかかわらず抵抗値が測定できなかったのは、分散液の調製に使用した高沸点溶媒が乾燥後も塗膜に残存しているためと推定される。一方、パルス光照射後は7.86Ω/□であった。
実施例13にて用いた分散液中に、表2記載の濃度となるようにポリビニルピロリドンK−90((株)日本触媒社製)を添加した分散液を調製し使用した以外は実施例13同様に透明導電パターンを作製し表面抵抗値および光線透過率測定した。結果を表2にまとめて示した。分散液中にバインダー樹脂を添加した場合でもパルス光照射により導通が取れることが確認できた。
銀ナノワイヤとして前記合成品を使用する代わりに市販品(bluenano社製 SLV-NW-35(イソプロパノール分散状態、銀ナノワイヤの径35nm、長さ約15μm(カタログ値))を、表2に記載の濃度となるように添加、調製した分散液を使用した以外は実施例13同様に透明導電パターンを作製し表面抵抗値および光線透過率を測定した。結果を表2にまとめて示した。銀ナノワイヤ濃度が同一(1質量%)でバインダー樹脂を添加していない実施例13と実施例17は表面抵抗値、光線透過率とも同レベルであった。銀ナノワイヤ濃度の減少に伴い表面抵抗値は徐々に大きくなり、光線透過率は徐々に大きくなる傾向が認められた。
Claims (10)
- 基板上に堆積された金属ナノワイヤに、パルス幅が20マイクロ秒から50ミリ秒であるパルス光を照射して前記金属ナノワイヤの交点を接合することを特徴とする透明導電パターンの製造方法。
- 前記パルス光を複数回照射することを特徴とする請求項1に記載の透明導電パターンの製造方法。
- 前記金属ナノワイヤは、銀ナノワイヤであることを特徴とする請求項1または請求項2に記載の透明導電パターンの製造方法。
- 前記銀ナノワイヤの直径が10〜300nm、長さが3〜500μmであることを特徴とする請求項3に記載の透明導電パターンの製造方法。
- 前記銀ナノワイヤの直径が100nm以下、長さが10μm以上であることを特徴とする請求項3または4に記載の透明導電パターンの製造方法。
- 前記基板上への金属ナノワイヤの堆積は、基板上に金属ナノワイヤを分散させた分散液を塗布、乾燥する工程により行なわれることを特徴とする請求項1から請求項5のいずれか1項に記載の透明導電パターンの製造方法。
- 前記分散液がバインダー樹脂を含むことを特徴とする請求項6に記載の透明導電パターンの製造方法。
- 前記バインダー樹脂がポリ−N−ビニル化合物であることを特徴とする請求項7に記載の透明導電パターンの製造方法。
- 前記ポリ−N−ビニル化合物がポリ−N−ビニルピロリドンまたはポリ−N−ビニルカプロラクタムであることを特徴とする請求項8に記載の透明導電パターンの製造方法。
- 前記基板の材料は、ポリエステル樹脂、セルロース樹脂、ビニルアルコール樹脂、塩化ビニル樹脂、シクロオレフィン系樹脂、ポリカーボネート樹脂、アクリル樹脂、ABS樹脂の何れかである、請求項1から請求項9のいずれか1項に記載の透明導電パターンの製造方法。
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US9854670B2 (en) | 2013-08-22 | 2017-12-26 | Showa Denko K.K. | Transparent electrode and method for producing same |
JPWO2015068654A1 (ja) * | 2013-11-05 | 2017-03-09 | 昭和電工株式会社 | 導電パターン形成方法及びこれを使用したオンセル型タッチパネルの製造方法並びにこれに使用する転写用フィルム及びオンセル型タッチパネル |
WO2015156661A1 (en) | 2014-04-07 | 2015-10-15 | Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek Tno | Method of producing a patterned nanowires network |
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JP6407014B2 (ja) * | 2014-12-24 | 2018-10-17 | 昭和電工株式会社 | 薄膜印刷用導電性組成物及び薄膜導電パターン形成方法 |
GB2535214A (en) * | 2015-02-13 | 2016-08-17 | Dst Innovation Ltd | Printable conductive ink and method of forming transparent printed electrodes |
US10390433B2 (en) * | 2015-03-31 | 2019-08-20 | Texas Instruments Incorporated | Methods of forming conductive and resistive circuit structures in an integrated circuit or printed circuit board |
WO2016200897A1 (en) | 2015-06-08 | 2016-12-15 | The Florida State University Research Foundation, Inc. | Single-layer light-emitting diodes using organometallic halide perovskite/ionic-conducting polymer composite |
KR20170018718A (ko) | 2015-08-10 | 2017-02-20 | 삼성전자주식회사 | 비정질 합금을 이용한 투명 전극 및 그 제조 방법 |
WO2017079063A1 (en) * | 2015-11-04 | 2017-05-11 | The Florida State University Research Foundation, Inc. | Printed halide perovskite light-emitting diodes and method of manufacture |
KR20170090939A (ko) | 2016-01-29 | 2017-08-08 | 삼성전자주식회사 | 도전성 복합체, 그 제조방법, 및 이를 포함하는 전자 기기 |
CN106129134B (zh) * | 2016-07-16 | 2018-02-23 | 苏州紫萝智能科技有限公司 | 一种利用太阳光照改善柔性银纳米线透明电极导电性的方法 |
JP7326167B2 (ja) | 2017-06-29 | 2023-08-15 | スリーエム イノベイティブ プロパティズ カンパニー | 物品及びその製造方法 |
CN113744931A (zh) * | 2021-09-07 | 2021-12-03 | 浙江星隆新材料科技有限公司 | 一种图案化导电膜的制备方法 |
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EP2824676B1 (en) | 2017-05-10 |
EP2824676A1 (en) | 2015-01-14 |
US20150030783A1 (en) | 2015-01-29 |
TW201401949A (zh) | 2014-01-01 |
EP2824676A4 (en) | 2015-12-02 |
WO2013133420A1 (ja) | 2013-09-12 |
KR101511996B1 (ko) | 2015-04-14 |
TWI508638B (zh) | 2015-11-11 |
CN104160457A (zh) | 2014-11-19 |
CN104160457B (zh) | 2016-03-16 |
JPWO2013133420A1 (ja) | 2015-07-30 |
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