JP5489859B2 - 導電膜及び導電膜の作製方法 - Google Patents
導電膜及び導電膜の作製方法 Download PDFInfo
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- JP5489859B2 JP5489859B2 JP2010114394A JP2010114394A JP5489859B2 JP 5489859 B2 JP5489859 B2 JP 5489859B2 JP 2010114394 A JP2010114394 A JP 2010114394A JP 2010114394 A JP2010114394 A JP 2010114394A JP 5489859 B2 JP5489859 B2 JP 5489859B2
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 131
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- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 110
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Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- 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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/0676—Oxynitrides
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- 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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/34—Sputtering
- C23C14/3407—Cathode assembly for sputtering apparatus, e.g. Target
- C23C14/3414—Metallurgical or chemical aspects of target preparation, e.g. casting, powder metallurgy
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- 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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/58—After-treatment
- C23C14/5806—Thermal treatment
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- 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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/54—Controlling or regulating the coating process
- C23C14/541—Heating or cooling of the substrates
Description
本実施の形態では、亜鉛及びアルミニウムを含む導電性酸窒化物からなる透明導電膜について、その作製工程に従って説明する。
本実施の形態では、実施の形態1で示した亜鉛及びアルミニウムを含む導電性酸窒化物からなる透明導電膜を用いて画素電極を形成し、同一基板上に薄膜トランジスタで画素部や駆動回路を形成した、いわゆるアクティブマトリクス基板に適用して、液晶表示装置を作成する場合について説明する。
本実施の形態では、亜鉛及びアルミニウムを含む導電性酸窒化物からなる透明導電膜を用いた画素電極を有する発光装置について図12を用いて説明する。なお、図12(A)は、発光装置を示す上面図、図12(B)は図12(A)をA−A’で切断した断面図である。点線で示された401は駆動回路部(ソース側駆動回路)、402は画素部、403は駆動回路部(ゲート側駆動回路)である。また、404は封止基板、405はシール材であり、シール材405で囲まれた内側は、空間407になっている。
本実施の形態では、亜鉛及びアルミニウムを含む導電性酸窒化物からなる透明導電膜を用いた画素電極を有する表示装置として電子ペーパーの例を示す。
本明細書に開示する透明導電膜及び該透明導電膜を用いた表示装置は、さまざまな電子機器(遊技機も含む)に適用することができる。電子機器としては、例えば、照明装置、テレビジョン装置(テレビ、またはテレビジョン受信機ともいう)、コンピュータ用などのモニタ、デジタルカメラ、デジタルビデオカメラ、デジタルフォトフレーム、携帯電話機(携帯電話、携帯電話装置ともいう)、携帯型ゲーム機、携帯情報端末、音響再生装置、パチンコ機などの大型ゲーム機などが挙げられる。
402 画素部
403 ゲート側駆動回路
404 封止基板
405 シール材
407 空間
408 配線
409 FPC(フレキシブルプリントサーキット)
410 基板
411 スイッチング用TFT
412 電流制御用TFT
413 電極
414 絶縁物
416 層
417 電極
418 発光素子
423 nチャネル型TFT
424 pチャネル型TFT
581 薄膜トランジスタ
585 絶縁層
587 電極層
588 電極層
589 球形粒子
590a 黒色領域
590b 白色領域
594 キャビティ
595 充填材
951 基板
952 電極
953 絶縁層
954 隔壁層
955 層
956 電極
2001 筐体
2002 光源
2600 TFT基板
2601 対向基板
2602 シール材
2603 画素部
2604 表示素子
2605 着色層
2606 偏光板
2607 偏光板
2608 配線回路部
2609 フレキシブル配線基板
2610 冷陰極管
2611 反射板
2612 回路基板
2613 拡散板
2631 ポスター
2632 車内広告
2700 電子書籍
2701 筐体
2703 筐体
2705 表示部
2707 表示部
2711 軸部
2721 電源
2723 操作キー
2725 スピーカ
4001 基板
4002 画素部
4003 信号線駆動回路
4004 走査線駆動回路
4005 シール材
4006 基板
4008 液晶層
4010 薄膜トランジスタ
4011 薄膜トランジスタ
4013 液晶素子
4015 接続端子電極
4016 端子電極
4018 FPC
4019 異方性導電膜
4020 絶縁層
4021 絶縁層
4030 画素電極層
4031 対向電極層
4032 絶縁層
9201 表示部
9202 表示ボタン
9203 操作スイッチ
9205 調節部
9206 カメラ部
9207 スピーカ
9208 マイク
9209 タッチパネル
9301 上部筐体
9302 下部筐体
9303 表示部
9304 キーボード
9305 外部接続ポート
9306 ポインティングデバイス
9307 表示部
9600 テレビジョン装置
9601 筐体
9603 表示部
9605 スタンド
9607 表示部
9609 操作キー
9610 リモコン操作機
9700 デジタルフォトフレーム
9701 筐体
9703 表示部
9881 筐体
9882 表示部
9883 表示部
9884 スピーカ部
9885 操作キー
9886 記録媒体挿入部
9887 接続端子
9888 センサ
9889 マイクロフォン
9890 LEDランプ
9891 筐体
9893 連結部
9900 スロットマシン
9901 筐体
9903 表示部
Claims (6)
- 亜鉛、アルミニウム、酸素及び窒素を含み、
前記亜鉛の組成比は、47原子%以下であり、
前記アルミニウムの組成比は、前記亜鉛の組成比より小さく、
前記アルミニウムの組成比は、前記窒素の組成比より大きく、
前記窒素の濃度は、5.0×1020atoms/cm3以上であり、
透光性を有することを特徴とする導電膜。 - 請求項1において、
キャリア密度が、2.2×1020cm−3以上、4.2×1020cm−3未満であることを特徴とする導電膜。 - 請求項1又は2において、
移動度が、4.7cm2/V・sec以上、36.0cm2/V・sec未満であることを特徴とする導電膜。 - 請求項1乃至3のいずれか一項において、
抵抗率が、4.1×10−4Ω・cmより大きく、6.1×10−3Ω・cm以下であることを特徴とする導電膜。 - 請求項1乃至4のいずれか一項において、
波長470nmの光に対する透過率が、0.70以上であり、
波長530nmの光に対する透過率が、0.70以上であり、
波長680nmの光に対する透過率が、0.70以上であることを特徴とする導電膜。 - 希ガスを含む雰囲気下で、スパッタ法を用いて、亜鉛、アルミニウム、酸素及び窒素を含む膜を成膜し、
前記膜に加熱処理を行う導電膜の作製方法であって、
前記導電膜は、キャリア密度が、2.2×1020cm−3以上、4.2×1020cm−3未満であり、
移動度が、4.7cm2/V・sec以上、36.0cm2/V・sec未満であり、
抵抗率が、4.1×10−4Ω・cmより大きく、6.1×10−3Ω・cm以下であり、
前記亜鉛の組成比は、47原子%以下であり、
前記アルミニウムの組成比は、前記亜鉛の組成比より小さく、
前記アルミニウムの組成比は、前記窒素の組成比より大きく、
前記窒素の濃度は、5.0×1020atoms/cm3以上であり、
透光性を有することを特徴とする導電膜の作製方法。
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