JP2004035964A - Vapor deposition apparatus - Google Patents
Vapor deposition apparatus Download PDFInfo
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- JP2004035964A JP2004035964A JP2002196348A JP2002196348A JP2004035964A JP 2004035964 A JP2004035964 A JP 2004035964A JP 2002196348 A JP2002196348 A JP 2002196348A JP 2002196348 A JP2002196348 A JP 2002196348A JP 2004035964 A JP2004035964 A JP 2004035964A
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- 238000007740 vapor deposition Methods 0.000 title claims abstract description 146
- 239000000758 substrate Substances 0.000 claims abstract description 76
- 239000010408 film Substances 0.000 claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 24
- 239000010409 thin film Substances 0.000 claims abstract description 10
- 230000008020 evaporation Effects 0.000 claims description 83
- 238000001704 evaporation Methods 0.000 claims description 73
- 230000008021 deposition Effects 0.000 abstract description 11
- 238000009826 distribution Methods 0.000 abstract description 6
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 230000008016 vaporization Effects 0.000 abstract 1
- 238000000151 deposition Methods 0.000 description 13
- 239000011521 glass Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000002019 doping agent Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- 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
- H10K71/10—Deposition of organic active material
- H10K71/16—Deposition of organic active material using physical vapour deposition [PVD], e.g. vacuum deposition or sputtering
- H10K71/164—Deposition of organic active material using physical vapour deposition [PVD], e.g. vacuum deposition or sputtering using vacuum deposition
-
- 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
- C23C14/12—Organic material
-
- 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
- C23C14/24—Vacuum evaporation
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- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Physical Vapour Deposition (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
Description
【0001】
【発明の属する技術分野】
本発明は、例えば基板にEL材料を蒸着して成膜しEL表示装置を作製する蒸着装置に関するものである。
【0002】
【従来の技術及び発明が解決しようとする課題】
例えば有機ELを作製する際、真空化した蒸着室(真空槽)内でEL材料をガラス基板に蒸着する場合には、従来は低位置に置かれた点蒸発源(蒸着源)から材料を蒸発させて基板上に堆積させ薄膜を形成させるが、膜厚分布を一定にするために、蒸発源と基板との距離は長くせざるをえない。従って、蒸着源はこのように基板の中心から離れた位置に置かれているためガラス基板以外に材料が飛ぶ量が多く、材料の使用効率が悪い。
【0003】
本発明は、真空槽の中にX,Y駆動機構あるいはX−θ駆動機構あるいはX−Z駆動機構など複数方向に蒸着源を移動する蒸着源移動機構を設け、蒸着源と基板との距離を近くしても、蒸発源を基板面に沿って、例えばX方向Y方向に移動させて蒸着することで膜厚分布を一定とすることができると共に、基板以外に材料が飛ぶ量を少なくし材料の使用効率を向上できる画期的な蒸着装置を提供することを目的としている。
【0004】
【課題を解決するための手段】
添付図面を参照して本発明の要旨を説明する。
【0005】
減圧雰囲気とする蒸着室1内に設けた固定部4に基板3を固定し、蒸着源7より発生する成膜材料が基板3上に堆積して薄膜が形成されるように構成した蒸着装置において、前記蒸着源7をX,Y,Z,θ方向などの異なる複数方向に若しくはこれら複数方向の合成方向に移動させる蒸着源移動機構8を設けて、この蒸着源移動機構8により蒸着時に前記蒸着源7を前記基板3に対して移動させるように構成したことを特徴とする蒸着装置に係るものである。
【0006】
また、前記蒸着源移動機構8は、固定側に対して移動側がガイド部と駆動部との組み合わせにより前記所定方向に駆動移動するように構成し、この移動側に前記蒸着源7を固定して、蒸着源7を前記所定方向に移動制御するように構成したことを特徴とする請求項1記載の蒸着装置に係るものである。
【0007】
また、前記蒸着源7を前記所定方向に移動する前記蒸着源移動機構8の駆動部を制御して、前記蒸着源7の移動速度を制御し得るように構成したことを特徴とする請求項1,2のいずれか1項に記載の蒸着装置に係るものである。
【0008】
また、前記蒸着源7は取付傾斜角度を調整自在に構成し、この蒸着源7の蒸発中心が前記基板3上の一点に合うように調整固定し得るように構成したことを特徴とする請求項1〜3のいずれか1項に記載の蒸着装置に係るものである。
【0009】
また、前記蒸着源7に膜厚センサー若しくはモニター5を配設して、前記蒸着源移動機構8により前記蒸着源7と共に移動して常に膜厚レートを測定若しくはモニターして蒸着状況を把握できるように構成したことを特徴とする請求項1〜4のいずれか1項に記載の蒸着装置に係るものである。
【0010】
また、前記蒸着源移動機構8の移動側に複数の前記蒸着源7を設けて、二元蒸着若しくは多元蒸着し得るように構成したことを特徴とする請求項1〜5のいずれか1項に記載の蒸着装置に係るものである。
【0011】
また、少なくとも前記基板3の面方向に対する前記蒸着源移動機構8による前記蒸着源7の移動距離を、前記基板3の寸法より大きく設定したことを特徴とする請求項1〜6のいずれか1項に記載の蒸着装置に係るものである。
【0012】
また、前記蒸着源移動機構8に前記基板3と前記蒸着源7との距離を調整する蒸着距離調整機構6を設けたことを特徴とする請求項1〜7のいずれか1項に記載の蒸着装置に係るものである。
【0013】
【発明の実施の形態】
好適と考える本発明の実施の形態(発明をどのように実施するか)を、図面に基づいてその作用効果を示して簡単に説明する。
【0014】
例えば、真空化する蒸着室1内の固定部4(ホルダー)に基板3を固定し、蒸着源7から発生する成膜材料が基板3上に堆積して薄膜を形成する。
【0015】
この際、蒸着源7は、固定されているのではなく、蒸着時には蒸着源移動機構8により前記基板3に対して移動する。即ち、蒸着源7は蒸着源移動機構8により基板3に沿ってくまなく移動しながら成膜材料を蒸発させ、基板3上に薄膜を形成する。
【0016】
この蒸着源移動機構8は、蒸着源7を設ける移動側を固定側に対してX,Y,Z,θ方向などの異なる複数方向に移動自在に設け、順次これら複数方向へ移動させるか、これらの合成方向に移動させることで、基板3に沿ってくまなく移動するように移動制御(移動ルートを設定)することで、基板3との距離が短くても均一に薄膜を形成できることとなる。
【0017】
従って、例えば基板3の板面を水平面方向とし、これの二軸方向となるX,Y方向、あるいは回転方向となるθ方向、又は基板3を水平配置せずに垂直配置とした際、この面方向の二軸となるX,ZあるいはY,Z方向あるいは回転方向となるθ方向に移動自在に設け、前記板面に沿って移動側を移動制御して蒸着源7を移動しながら蒸着を行なうことで、たとえ基板3と蒸着源7との距離を短くしても、基板3に対して蒸着源7をくまなく移動させながら蒸着することができるため、膜厚が片寄らず均一な膜を形成することができ、また基板3外へ無駄に材料が飛ぶ量を少なくでき、よって膜厚を一定にでき、且つ材料の使用効率を向上させることができることとなる。
【0018】
また、蒸着源7の移動速度を制御することで精度の良い膜厚分布を実現でき、また蒸着源7の取付角度を調整して蒸着源7の蒸発中心を基板3上の一点に合うようにセットすることで、一層前記作用・効果を良好に発揮させることができる。
【0019】
また、蒸着源7に膜厚センサーやモニター5を配設すれば、蒸着源移動機構8により蒸着源7と共にこの膜厚センサーやモニター5を常に一緒に移動制御でき、常に各カ所での膜厚レートを測定あるいは蒸着状況を把握できるため、一層膜厚の均一化を図れ、移動制御の精度も向上できる。
【0020】
また、複数の蒸着源7を蒸着源移動機構8により一緒に移動するように構成することも容易で、この場合には例えばホスト蒸着源7とドーパント蒸着源7を並べて移動することで精度の高い二元蒸着やその他同様にして多元蒸着も可能となる。
【0021】
また、蒸着距離調整機構6により適切な距離に基板3と蒸着源7を調整設定できるようにすれば、状況に応じてできるだけ基板3と蒸着源7との距離を短くして、均一化と材料使用効率の向上を一層図れることとなる。
【0022】
【実施例】
本発明の具体的な実施例について図面に基づいて説明する。
【0023】
図1に示すように、真空ポンプにより真空化する蒸着室1内に配設した固定部4にガラス基板3を固定する構成としている。この固定部4の下部に設けたホルダー4Aは、蒸着用開口部16を有する枠状構成とし、この蒸着用開口部16をおおうようにガラス基板3を位置決め載置し、この端部に設けた固定機構4Bによりガラス基板3を上方から押圧してホルダー4A上に押圧固定する構成としている。
【0024】
また、この蒸着室1内底部に設けた蒸着源7より発生する成膜材料が固定部4の蒸着用開口部16から露出している基板3上に堆積して薄膜が形成されるように構成している。
【0025】
本実施例では、前記蒸着源7をX,Y,Z,θ方向などの異なる複数方向に同時に移動させることでこれら複数方向の合成方向に移動できる蒸着源移動機構8を設けて、この蒸着源移動機構8により蒸着時に前記蒸着源7を前記基板3に対してこの基板面に沿って移動させるように構成している。
【0026】
本実施例では、基板3を固定部4により蒸着室1内に水平配置し、この下側の蒸着室1の底部側に4つの蒸着源7を設け、この蒸着源7を一斉に水平方向となる前記基板面に沿って蒸着源移動機構8により自動的にこの板面方向で移動するように構成している。
【0027】
即ち、水平方向の互いに直交する二軸となるX方向とY方向、又はこの双方若しくはその一方向と水平回転方向であるθ方向との二方向若しくは三方向に蒸着源7が移動自在となるように蒸着源移動機構8を構成するが、本実施例では、図4に示すようにX方向とY方向に移動自在となるように構成し、順次これら複数方向へ移動するように制御することで、X方向,Y方向の移動(平面より見て、たて,よこ,たて,よこの移動)を繰り返して、基板3の板面に沿ってジグザグに移動して、基板3の板面をくまなく移動するように構成している。
【0028】
具体的には、この蒸着源移動機構8は、図1,図2に示すように、固定側(蒸着室1に対して固定する部材)に対して移動側がガイド部と駆動部との組み合わせにより前記所定方向に駆動移動するように構成し、この移動側に前記蒸着源7を固定して、蒸着源7を前記所定方向に移動制御するように構成している。
【0029】
例えば、回転駆動源8Aによってボールネジ8Bを回転させ、LMガイド8Cに沿って移動体8Dをボールネジ8Bに沿って移動させるように構成し、この移動体8Dに前記ボールネジ8Bと直交する方向にボールネジ8B’を配設してこのボールネジ8B’を回転駆動源8A’によって駆動することでLMガイド8C’に沿って移動体8D’を移動させるように構成し、この移動体8D’を移動側として蒸着源7を設けることで、上下に配して互いに直交する方向のボールネジ8B,8B’をX,Y方向とし、各ボールネジ8B,8B’の回転量を順次制御することで、予め設定したX,Y方向に蒸着源7を移動するように構成している。尚、水平回動支点を設けてθ方向にロボットアームなどにより移動するように構成しても良い。
【0030】
また、蒸着室1に対して固定する固定板を固定側とし、この固定板に対して移動する移動テーブルを移動側とし、固定板と移動テーブルとの間にガイド部と駆動部とを有するモジュールを複数設け(θ方向に移動させる場合には、水平回動支点部を設け)、各モジュールを駆動制御することで移動テーブルがX,Y(及びθ)方向に移動制御される薄偏平形の移動機構を蒸着室1底部に構成し、このX,Y方向に移動する移動テーブルに蒸着源7を設けるように構成しても良い。
【0031】
また、基板3を垂直方向に配する場合には、この蒸着源移動機構8も同様に垂直方向で平面的に(X,ZあるいはY,Zあるいはθ方向との組み合わせにより)移動するように構成しても良い。
【0032】
また、本実施例では更にZ方向に移動自在として立体自由に移動させて基板3との距離も調整されるように構成している。
【0033】
具体的には、本実施例では立体的に移動制御はしないが、蒸着源移動機構8を昇降駆動源6Aと昇降ガイド6BとによってZ方向に昇降自在に設けて、前記蒸着距離調整機構6を構成し、基板3の大きさや蒸着材料あるいは蒸着状況に応じてこの蒸着距離調整機構6により基板3と蒸着源7との距離を調整設定し、できるだけ基板3と蒸着源7との距離を短くして、均一化と材料使用効率の向上を一層図れるように構成している。
【0034】
また、例えば、前述のようにX,Y方向の移動を組み合わせるのではなく、図5,図6に示すようにθ方向の組み合わせによる複合旋回方式に蒸着源移動機構8を構成しても良い。
【0035】
従って、予め蒸着距離調整機構6により基板3と蒸着源7とをできるだけ短い距離に設定し、また予めこの蒸着源移動機構8の駆動を制御する制御部の移動ルート設定により、蒸着源7はこの移動ルート通りに移動あるいは繰り返し移動させることができ、また基板3の変更や蒸着材料の変更、基板3と蒸着源7との距離の調整などによってこの移動ルートを変更設定できるようにしている。
【0036】
尚、蒸着室1底部外と蒸着源移動機構8の移動部分内部とを連通して大気とし、移動制御されてもこの連通状態が保持される移動連通保持機構9を備え、この移動連通保持機構9を介して、エア,水,電気などをフレキシブル配管などで蒸着源7に供給する構成としている。
【0037】
例えば、図5,図6に示すように駆動源8Eによって基板3と平行に水平回動方向(θ1方向)に駆動制御される水平アーム8Fに、駆動源8Gによって更に水平回動方向(θ2方向)に駆動制御される水平アーム8Hを枢着し、この水平アーム8Hに駆動源8Iによって水平回動方向(θ3)に駆動制御される水平板8Jを設け、この水平板8Jに蒸着源7を設け、この各水平アーム8F,8H,水平板8Jのθ1,θ2,θ3方向の複合回動制御によって、駆動源7が基板3の板面に沿ってくまなく所定ルートを移動するように構成しても良い。
【0038】
また、本実施例では前記基板3の板面方向に対する前記蒸着源移動機構8による前記蒸着源7の移動距離(範囲)を、前記基板3の寸法よりやや大きく設定している。
【0039】
これにより、基板3の端部での薄膜の均一化も図れ、できるだけ基板3外へ無駄に材料が飛ぶ量を少なくできる。
【0040】
また、前記蒸着源7を前記所定方向に移動する前記蒸着源移動機構8の駆動部を制御して、前記蒸着源7の移動速度を制御し得るように構成している。この速度制御は、各駆動部の出力調整や出力伝達機構の切り替えによって減速・増速できるようにしている。
【0041】
また、前記蒸着源7は、図3に示すように取付構造を介して着脱自在に設け、容易に取り替え可能とし、またこの取付構造による取付傾斜角度を調整自在に構成し、この各蒸着源7の蒸発中心が前記基板3上の一点に合うように調整固定できるように構成している。
【0042】
従って、たとえ複数の蒸着源7を配設しても、この各蒸着源7の蒸着中心が蒸発中心の移動ルートの一点上に合うようにセットできるため、常にバラツキなく一定の膜厚の蒸着が効率良く良好に行なうこととなる。
【0043】
また、前記蒸着源7に膜厚センサーあるいは蒸着監視用のモニター5を配設して、前記蒸着源移動機構8により前記蒸着源7と共に移動して常に膜厚レートを測定したり、蒸着状況を把握できるように構成している。
【0044】
また、前記蒸着源移動機構8の移動側に複数の前記蒸着源7を設けて、複数の蒸着源7がこの蒸着源移動機構8により常に一緒に同一ルートを移動できるように構成することが容易に実現できるため、二元蒸着や多元蒸着も良好に行なえることとなる。
【0045】
この際、各蒸着源7を前述のようにいずれも同様に角度調整設定し、共に蒸発中心を基板3上の一点に合うように取付固定できるようにしているため、一層良好に精度の高い二元蒸着や多元蒸着が行なえる。
【0046】
また、蒸着源7にモニター5を配設し、蒸着源7と共に移動するように構成し、このモニター5も蒸発中心が合う基板3上の一点を向くように取り付けるようにすることで、蒸着状況を常に監視しながら蒸着を行なえ、一層秀れた蒸着装置となる。
【0047】
従って、蒸着源移動機構8の移動側に複数の蒸着源7やセンサー,モニター5などを適宜適切な向きにして交換取付できる取付部2を設けることで極めて実用性に秀れた蒸着装置となる。
【0048】
尚、本発明は、本実施例に限られるものではなく、各構成要件の具体的構成は適宜設計し得るものである。
【0049】
【発明の効果】
本発明は上述のように構成したから、蒸着室の中に例えばX,Y駆動機構あるいはX−θ駆動機構あるいはX−Z駆動機構など複数方向に蒸着源を移動する蒸着源移動機構を設け、蒸着源と基板との距離をたとえ近くしても、蒸発源を基板面に沿って、例えばX方向Y方向に移動させて蒸着することで膜厚分布を一定とすることができると共に、基板以外に材料が飛ぶ量を少なくし材料使用効率を向上できる画期的な蒸着装置となる。
【0050】
また、請求項2記載の発明においては、一層容易に実現でき、一層実用性に秀れた蒸着装置となる。
【0051】
また、請求項3記載の発明においては、蒸着源の移動速度を制御することで精度の良い膜厚分布を実現できることとなる。
【0052】
また、請求項4記載の発明においては、蒸着源の取付角度を調整して蒸着源の蒸発中心を基板上の一点に合うようにセットすることで、一層前記作用・効果を良好に発揮させることとなる。
【0053】
また、請求項5記載の発明においては、蒸着源に膜厚センサーやモニターを配設すれば、蒸着源移動機構により蒸着源と共にこの膜厚センサーやモニターを常に一緒に移動制御でき、常に各カ所での膜厚レート測定あるいは蒸着状況を把握できるため、一層膜厚の均一化を図れ、移動制御の精度も向上できることとなる。
【0054】
また、請求項6記載の発明においては、複数の蒸着源を蒸着源移動機構により一緒に移動するように構成することも容易で、この場合には例えばホスト蒸着源とドーパント蒸着源を並べて移動することで精度の高い二元蒸着やその他同様にして多元蒸着も可能となることとなる。
【0055】
また、請求項7記載の発明においては、基板の端部での薄膜の均一化も図れ、できるだけ基板外へ無駄に材料が飛ぶ量を少なくできることとなる。
【0056】
また、請求項8記載の発明においては、適切な距離に基板と蒸着源を調整設定でき、できるだけ基板と蒸着源との距離を短くして、均一化と材料使用効率の向上を一層図れることになる一層秀れた蒸着装置となる。
【図面の簡単な説明】
【図1】本実施例の概略構成説明正面図である。
【図2】本実施例の概略構成説明平面図である。
【図3】本実施例の蒸着源7の取付部を示す拡大説明正面図である。
【図4】本実施例の蒸着時の移動ルートの一例を示す説明図である。
【図5】本実施例の蒸着源移動機構8の別例を示す概略構成説明正断面図である。
【図6】本実施例の蒸着源移動機構8の別例を示す概略構成説明平面図である。
【符号の説明】
1 蒸着室
3 基板
4 固定部
5 モニター
6 蒸着距離機構
7 蒸着源
8 蒸着源移動機構[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a vapor deposition apparatus for producing an EL display device by depositing an EL material on a substrate to form a film, for example.
[0002]
Problems to be solved by the prior art and the invention
For example, when manufacturing an organic EL, when an EL material is deposited on a glass substrate in a vacuum deposition chamber (vacuum chamber), the material is conventionally evaporated from a point evaporation source (evaporation source) placed at a low position. Then, a thin film is formed by depositing the film on the substrate, but in order to keep the film thickness distribution constant, the distance between the evaporation source and the substrate must be increased. Therefore, since the evaporation source is located at a position distant from the center of the substrate in this manner, a large amount of material is scattered in addition to the glass substrate, and the use efficiency of the material is low.
[0003]
According to the present invention, an evaporation source moving mechanism for moving an evaporation source in a plurality of directions, such as an X, Y driving mechanism, an X-θ driving mechanism, or an XZ driving mechanism, is provided in a vacuum chamber, and the distance between the evaporation source and the substrate is reduced. Even if it is close, the evaporation source can be moved along the substrate surface, for example, in the X direction and the Y direction, and the film thickness can be made constant by vapor deposition. It is an object of the present invention to provide an epoch-making vapor deposition device capable of improving the use efficiency of the device.
[0004]
[Means for Solving the Problems]
The gist of the present invention will be described with reference to the accompanying drawings.
[0005]
In a vapor deposition apparatus in which the
[0006]
Further, the evaporation
[0007]
2. The apparatus according to claim 1, wherein a driving unit of the vapor deposition source moving mechanism for moving the vapor deposition source in the predetermined direction is controlled to control a moving speed of the vapor deposition source. , 2, according to the vapor deposition apparatus.
[0008]
Further, the vapor deposition source 7 is configured so that the mounting inclination angle can be adjusted, and the vapor deposition source 7 can be adjusted and fixed so that the evaporation center of the vapor deposition source 7 matches one point on the
[0009]
In addition, a film thickness sensor or
[0010]
The method according to any one of claims 1 to 5, wherein a plurality of the vapor deposition sources 7 are provided on a moving side of the vapor deposition
[0011]
The moving distance of the vapor deposition source 7 by the vapor deposition
[0012]
The vapor deposition according to any one of claims 1 to 7, wherein the vapor deposition source moving mechanism (8) is provided with a vapor deposition distance adjusting mechanism (6) for adjusting a distance between the substrate (3) and the vapor deposition source (7). It concerns the device.
[0013]
BEST MODE FOR CARRYING OUT THE INVENTION
Preferred embodiments of the present invention (how to implement the invention) will be briefly described with reference to the drawings, showing the operational effects thereof.
[0014]
For example, the
[0015]
At this time, the evaporation source 7 is not fixed, but is moved with respect to the
[0016]
The vapor deposition
[0017]
Therefore, for example, when the plate surface of the
[0018]
In addition, by controlling the moving speed of the evaporation source 7, an accurate film thickness distribution can be realized, and the mounting angle of the evaporation source 7 is adjusted so that the evaporation center of the evaporation source 7 is aligned with one point on the
[0019]
In addition, if a film thickness sensor or
[0020]
Further, it is easy to move the plurality of evaporation sources 7 together by the evaporation
[0021]
Further, if the
[0022]
【Example】
A specific embodiment of the present invention will be described with reference to the drawings.
[0023]
As shown in FIG. 1, a
[0024]
Further, a film forming material generated from a vapor deposition source 7 provided at the bottom of the vapor deposition chamber 1 is deposited on the
[0025]
In this embodiment, an evaporation
[0026]
In the present embodiment, the
[0027]
That is, the vapor deposition source 7 is movable in two or three directions of the X direction and the Y direction, which are two axes that are orthogonal to each other in the horizontal direction, or both or one of them and the θ direction that is the horizontal rotation direction. In the present embodiment, as shown in FIG. 4, the evaporation
[0028]
Specifically, as shown in FIG. 1 and FIG. 2, the evaporation
[0029]
For example, the
[0030]
Further, a module having a fixed plate fixed to the vapor deposition chamber 1 as a fixed side, a moving table moving with respect to the fixed plate as a moving side, and a guide unit and a driving unit between the fixed plate and the moving table. (In the case of moving in the θ direction, a horizontal rotation fulcrum is provided), and by controlling the driving of each module, the moving table is controlled to move in the X, Y (and θ) directions. The moving mechanism may be configured at the bottom of the vapor deposition chamber 1 and the vapor source 7 may be provided on a moving table that moves in the X and Y directions.
[0031]
When the
[0032]
Further, in the present embodiment, the distance from the
[0033]
Specifically, in the present embodiment, three-dimensional movement control is not performed, but the evaporation
[0034]
Further, for example, instead of combining the movements in the X and Y directions as described above, the vapor deposition
[0035]
Therefore, the
[0036]
In addition, the outside of the bottom of the vapor deposition chamber 1 and the inside of the moving part of the vapor deposition
[0037]
For example, as shown in FIGS. 5 and 6, a
[0038]
In this embodiment, the moving distance (range) of the evaporation source 7 by the evaporation
[0039]
As a result, the thin film at the end of the
[0040]
In addition, the controller is configured to control a driving unit of the evaporation
[0041]
Further, as shown in FIG. 3, the vapor deposition source 7 is provided detachably via a mounting structure so that it can be easily replaced, and the mounting inclination angle by this mounting structure is configured to be adjustable. The evaporation center can be adjusted and fixed so as to match one point on the
[0042]
Therefore, even if a plurality of evaporation sources 7 are provided, the evaporation center of each of the evaporation sources 7 can be set so as to coincide with one point on the movement route of the evaporation center. It will be performed efficiently and well.
[0043]
Further, a film thickness sensor or a
[0044]
Further, it is easy to provide a plurality of the evaporation sources 7 on the moving side of the evaporation
[0045]
At this time, as described above, the angle of each of the evaporation sources 7 is similarly adjusted and set so that the evaporation center can be attached and fixed so that the evaporation center coincides with one point on the
[0046]
Further, a
[0047]
Therefore, by providing the mounting portion 2 on the moving side of the evaporation
[0048]
It should be noted that the present invention is not limited to the present embodiment, and a specific configuration of each component can be appropriately designed.
[0049]
【The invention's effect】
Since the present invention is configured as described above, an evaporation source moving mechanism for moving the evaporation source in a plurality of directions such as an X, Y driving mechanism, an X-θ driving mechanism, or an XZ driving mechanism is provided in the evaporation chamber, Even if the distance between the evaporation source and the substrate is short, the film thickness distribution can be made constant by moving the evaporation source along the substrate surface, for example, in the X direction and the Y direction, so that the film thickness distribution can be made constant. This is an epoch-making vapor deposition apparatus that can reduce the amount of material flying and improve the material use efficiency.
[0050]
According to the second aspect of the present invention, the vapor deposition apparatus can be realized more easily and is more practical.
[0051]
According to the third aspect of the present invention, it is possible to realize an accurate film thickness distribution by controlling the moving speed of the evaporation source.
[0052]
Further, in the invention according to
[0053]
In the invention according to
[0054]
In the invention according to
[0055]
Further, according to the invention of claim 7, the thin film can be made uniform at the edge of the substrate, and the amount of unnecessary material flying out of the substrate can be reduced as much as possible.
[0056]
Further, in the invention according to
[Brief description of the drawings]
FIG. 1 is a schematic configuration explanatory front view of the present embodiment.
FIG. 2 is a schematic configuration explanatory plan view of the present embodiment.
FIG. 3 is an enlarged explanatory front view showing a mounting portion of a vapor deposition source 7 of the present embodiment.
FIG. 4 is an explanatory diagram illustrating an example of a movement route at the time of vapor deposition in the present embodiment.
FIG. 5 is a schematic cross-sectional explanatory front view showing another example of the evaporation
FIG. 6 is a schematic configuration explanatory plan view showing another example of the evaporation
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1
Claims (8)
Priority Applications (2)
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JP2002196348A JP4286496B2 (en) | 2002-07-04 | 2002-07-04 | Vapor deposition apparatus and thin film manufacturing method |
KR1020020070268A KR100934073B1 (en) | 2002-07-04 | 2002-11-13 | Deposition equipment and thin film manufacturing method |
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JP2002196348A JP4286496B2 (en) | 2002-07-04 | 2002-07-04 | Vapor deposition apparatus and thin film manufacturing method |
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KR100934073B1 (en) | 2009-12-24 |
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