JPWO2015076358A1 - 配線パターンの製造方法およびトランジスタの製造方法 - Google Patents
配線パターンの製造方法およびトランジスタの製造方法 Download PDFInfo
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- JPWO2015076358A1 JPWO2015076358A1 JP2015549200A JP2015549200A JPWO2015076358A1 JP WO2015076358 A1 JPWO2015076358 A1 JP WO2015076358A1 JP 2015549200 A JP2015549200 A JP 2015549200A JP 2015549200 A JP2015549200 A JP 2015549200A JP WO2015076358 A1 JPWO2015076358 A1 JP WO2015076358A1
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Classifications
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
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- H10K10/40—Organic transistors
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- H10K10/462—Insulated gate field-effect transistors [IGFETs]
- H10K10/464—Lateral top-gate IGFETs comprising only a single gate
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- C—CHEMISTRY; METALLURGY
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/1601—Process or apparatus
- C23C18/1603—Process or apparatus coating on selected surface areas
- C23C18/1605—Process or apparatus coating on selected surface areas by masking
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- C—CHEMISTRY; METALLURGY
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Abstract
Description
本願は、2013年11月21日に出願された日本国特許出願2013−240613号に基づき優先権を主張し、その内容をここに援用する。
以下、図1〜4を参照しながら、本実施形態に係る配線パターンの製造方法について説明する。なお、以下の全ての図面においては、図面を見やすくするため、各構成要素の寸法や比率などは適宜異ならせてある。
本実施形態の積層体1は、基板2としてPET樹脂を形成材料とする樹脂基板を用いるものとして説明する。
ヘキサメチルジシラザンを形成材料として用いる場合、保護層9は、ヘキサメチルジシラザンが加水分解して得られるヘキサメチルジシランを主成分とするものとなる。
フェニルトリクロロシランを形成材料として用いる場合、保護層9は、フェニルトリクロロシランが水分と反応して得られるポリシロキサンを主成分とするものとなる。
ここでは、シランカップリング剤として、1級アミンである3−アミノプロピルトリエトキシシランを用いることとして説明する。
そこで、下地膜3を保護するための保護層を形成する。
ここでは、有機ケイ素化合物として、フェニルトリクロロシランを用いることとして説明する。
以下、図5〜9Bを参照しながら、本実施形態に係るトランジスタの製造方法について説明する。
第4電極172は、第3電極171の触媒15に接しない表面全面を覆って形成された金属めっき層である。すなわち、第4電極172は、ドレイン電極17において、互いに対向する側面17a(対向する面)を覆って設けられている。
また、半導体層20の形成材料としては、有機半導体材料に限らず、通常知られた無機半導体材料を用いることも可能である。
以上のようにして、トランジスタ100Aを製造することができる。
なお、本実施形態においては、ボトムコンタクト型のトランジスタ100Aを製造することとして説明したが、これに限らない。
(実施例1)
PET基板(型番:A−4100(コートなし)、東洋紡績株式会社製)の表面を大気圧酸素プラズマにより洗浄した後、0.5質量%となるように第1の形成材料を溶解した液状物1をディップコートにてPET基板上に塗布した。ディップコートの引き上げ速度は1mm/秒とした。その後、105℃で15分間加熱して下地膜を形成した。
なお、以下の工程においても、ディップコートの引き上げ速度は、上述の条件を採用した。
保護層の形成材料として、ヘキサメチルジシラザン(12058−1A、関東化学社製)を用いたこと、およびヘキサメチルジシラザンを溶媒で希釈することなく保護層の形成に用いたこと以外は実施例1と同様にして、配線パターンを作製した。
0.2質量%となるように第1の形成材料を溶解した液状物1を用いて下地膜を形成したこと、および保護層を形成しないこと以外は実施例1と同様にして、配線パターンを作製した。
(実施例2)
実施例1と同様の方法にて、PET基板上にゲート電極を形成した。ゲート電極が形成されたPET基板に対し、エポキシ樹脂ベースの紫外線硬化型樹脂(SU−8、日本化薬社製)をディップコートし、105℃にて5分間加熱(プリベーク)することにより、紫外線硬化型樹脂の塗膜を形成した。
ゲート絶縁膜の表面にソース電極およびドレイン電極に対応したニッケル−リン電極を作製する際、下地膜を形成した後に保護層を形成しないこと以外は実施例2と同様にして、配線パターンを作製した。
図中、符号βの破線で囲む部分では、幅が不均一となっている部分が確認された。
また、図中、符号γの破線で囲む部分では、ゲート電極とドレイン電極とが短絡している部分が確認された。図13において、ゲート電極およびドレイン電極が互いに離れている部分では、ゲート電極およびドレイン電極の端部に対応した影を黒い筋として確認できるが、符号γの部分では、筋が途切れている。短絡部分では電極の端部に対応した影が形成されないため、ゲート電極およびドレイン電極が短絡している部分であると判断できる。
Claims (15)
- 基板上の少なくとも一部に第1の形成材料を含む液状体を塗布してめっき下地膜を形成することと、
前記めっき下地膜の表面の少なくとも一部に第2の形成材料を含む液状体を塗布して前記めっき下地膜の保護層を形成することと、
前記保護層の表面にフォトレジスト材料からなるフォトレジスト層を形成して前記フォトレジスト層を所望のパターン光で露光することと、
露光された前記フォトレジスト層を現像液に接触させ、前記めっき下地膜が前記パターン光に対応して露出するまで前記フォトレジスト層と前記保護層とを除去することと、
露出した前記めっき下地膜の表面に無電解めっき用触媒である金属を析出させた後、前記めっき下地膜の表面に無電解めっき液を接触させ無電解めっきを行うことと、
を有する配線パターンの製造方法。 - 前記第1の形成材料よりも前記第2の形成材料のほうが前記現像液に対する可溶性が低い請求項1に記載の配線パターンの製造方法。
- 前記第2の形成材料は、ケイ素原子に結合した加水分解基を有する有機ケイ素化合物である請求項1または請求項2に記載の配線パターンの製造方法。
- 前記第2の形成材料は、前記ケイ素原子に結合した前記加水分解基を1つ有する有機ケイ素化合物である請求項3に記載の配線パターンの製造方法。
- 前記第2の形成材料は、前記ケイ素原子に結合した前記加水分解基を2つまたは3つ有する有機ケイ素化合物である請求項3に記載の配線パターンの製造方法。
- 前記第1の形成材料は、窒素原子または硫黄原子のうち少なくとも一方を有する基を含むシランカップリング剤である請求項1から5のいずれか1項に記載の配線パターンの製造方法。
- 前記シランカップリング剤が、アミノ基を有する請求項6に記載の配線パターンの製造方法。
- 前記シランカップリング剤が、1級アミンまたは2級アミンである請求項7に記載の配線パターンの製造方法。
- 前記基板が、非金属材料からなる請求項1から8のいずれか1項に記載の配線パターンの製造方法。
- 前記基板が、樹脂材料からなる請求項9に記載の配線パターンの製造方法。
- 前記基板が、可撓性を有する請求項10に記載の配線パターンの製造方法。
- 前記めっき下地膜は、前記基板の変形温度よりも低い加熱温度で熱処理して形成される請求項10または11に記載の配線パターンの製造方法。
- 請求項1から12のいずれか1項に記載の配線パターンの製造方法を用いて、基板上にゲート電極、ソース電極およびドレイン電極の少なくとも1つを形成することを有するトランジスタの製造方法。
- 前記基板上に前記ゲート電極を形成することと、
前記ゲート電極を覆って絶縁体層を含む層を形成することと、
前記絶縁体層を含む層の表面に前記ソース電極および前記ドレイン電極を形成することと、を有する請求項13に記載のトランジスタの製造方法。 - 前記基板上に前記ソース電極および前記ドレイン電極を形成することと、
前記ソース電極および前記ドレイン電極を覆って絶縁体層を含む層を形成することと、
前記絶縁体層を含む層の表面に前記ゲート電極を形成することと、を有する請求項13に記載のトランジスタの製造方法。
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