JP6814998B1 - プラズマ処理装置 - Google Patents
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- H01J37/32798—Further details of plasma apparatus not provided for in groups H01J37/3244 - H01J37/32788; special provisions for cleaning or maintenance of the apparatus
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- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
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- C23C16/458—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for supporting substrates in the reaction chamber
- C23C16/4582—Rigid and flat substrates, e.g. plates or discs
- C23C16/4587—Rigid and flat substrates, e.g. plates or discs the substrate being supported substantially vertically
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- 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
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/50—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating using electric discharges
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- H—ELECTRICITY
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- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/32431—Constructional details of the reactor
- H01J37/32715—Workpiece holder
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/32431—Constructional details of the reactor
- H01J37/32733—Means for moving the material to be treated
- H01J37/32752—Means for moving the material to be treated for moving the material across the discharge
- H01J37/32761—Continuous moving
- H01J37/32779—Continuous moving of batches of workpieces
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/677—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations
- H01L21/67703—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations between different workstations
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- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/677—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations
- H01L21/67739—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations into and out of processing chamber
- H01L21/6776—Continuous loading and unloading into and out of a processing chamber, e.g. transporting belts within processing chambers
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- H—ELECTRICITY
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- H01M8/00—Fuel cells; Manufacture thereof
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- H01M8/0204—Non-porous and characterised by the material
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
Description
このような構成であれば、複数のプラズマ処理室を連通させることでトレイの連続的な搬送を可能にしつつ、各プラズマ処理室を所望の真空度に維持することができる。
このような構成であれば、複数のトレイを順次自動的に送り出すことができ、複数のトレイに保持された多数枚の基材を一挙に連続成膜することができ、さらなる高効率化を図れる。
このように構成であれば、起立姿勢の基材を保持したトレイを、プラズマ洗浄室、イオン注入室、第1成膜室、第2成膜室、及び親水処理室に搬送するので、各部屋において基材の両面にプラズマ処理することができ、基材にDLC被膜を効率良く成膜することができる。
そして、上述したアンテナ2に整合器(不図示)を介して高周波電源(不図示)からの高周波電力を印加するとともに、室内に例えば窒素、メタン、アセチレンの混合ガスが原料ガスとして供給することで、基材Xの表面の近傍にはカーボンイオンを含む誘導結合型の放電プラズマが発生する。このとき、DLC被膜を導電化すべく、上述したヒータ3によって基材Xを例えば150〜400℃に下地加熱する。そして、基材Xにバイアス電源(不図示)からの負の直流電圧又は負のパルス電圧を印加するとともに、ヒータ3やプラズマ中のイオンエネルギーにより基材Xを追加加熱することで、基材Xの表面に導電性DLC被膜が形成される。
そして、上述したアンテナ2に整合器(不図示)を介して高周波電源(不図示)からの高周波電力を印加するとともに、室内に例えば窒素、メタン、アセチレンの混合ガスが原料ガスとして供給することで、基材Xの裏面の近傍にはカーボンイオンを含む誘導結合型の放電プラズマが発生する。このとき、DLC被膜を導電化すべく、上述したヒータ3によって基材Xを例えば150〜400℃に下地加熱する。そして、基材Xにバイアス電源(不図示)からの負の直流電圧又は負のパルス電圧を印加するとともに、ヒータ3やプラズマ中のイオンエネルギーにより基材Xを追加加熱することで、基材Xの裏面に導電性DLC被膜が形成される。
すなわち、この搬出機構は、例えば一対のローラと、これらのローラに巻かれた無端ベルトとを有する。そして、ロープ11により送られてきたトレイYが無端ベルトに載ることで持ち上げられ、これによりトレイYの引掛部Yaがロープ11から外れて、そのトレイYが回収されるように構成されている。
これに対して、ロープ11は、ガラスロープなどの非導電性からなるものであっても良い。この場合、図5に示すように、例えばそれぞれのプラズマ処理室S2〜S6にパンタグラフ等の導電部材Dを設けておき、この導電部材Dを介してバイアス電圧を基材Xに印加するように構成しても良い。なお、基材Xに適切なタイミングでバイアス電圧を印加できるようにするべく、引掛部Yaは、図5に示すように、搬送方向に沿って長尺状のものであっても良い。
このような構成であれば、それぞれのプラズマ処理室S2〜S6において、別々の大きさのバイアス電圧を基材Xに印加することができる。それぞれのプラズマ処理室S2〜S6におけるプロセスに適した大きさのバイアス電圧を基材Xに印加することができ、成膜プロセスの自由度を向上させることができ、ひいてはより品質の高い膜を成膜する事が可能になる。
X ・・・基材
Y ・・・トレイ
Ya ・・・引掛部
S1 ・・・トレイ送出し室
S2 ・・・プラズマ洗浄室
S3 ・・・イオン注入室
S4 ・・・第1成膜室
S5 ・・・第2成膜室
S6 ・・・親水処理室
S7 ・・・トレイ収納室
S8 ・・・差動排気室
10 ・・・リフト機構
P ・・・吸引機構
2 ・・・アンテナ
3 ・・・ヒータ
11 ・・・ロープ
12 ・・・搬送機構
121・・・無端ベルト
13 ・・・ローラ
Claims (6)
- 基材にプラズマ処理する複数のプラズマ処理室と、
前記基材を起立姿勢で保持するトレイと、
前記トレイを前記複数のプラズマ処理室に連続的に搬送するリフト機構とを備え、
前記リフト機構が、
前記複数のプラズマ処理室に亘って架け渡されて前記トレイが引っ掛けられるロープと、
前記複数のプラズマ処理室間で前記ロープを移動させる駆動源と有することを特徴とするプラズマ処理装置。 - 前記複数のプラズマ処理室が、互いに連通しており、それぞれの部屋間に差動排気室が設けられていることを特徴とする請求項1記載のプラズマ処理装置。
- 複数の前記トレイが設置されており、これらのトレイを順次前記ロープに搬送する搬送機構をさらに備えることを特徴とする請求項1又は2記載のプラズマ処理装置。
- 前記搬送機構が、前記トレイを前記ロープに送り出す無端ベルトを有し、
前記トレイが前記無端ベルトの縁部から落ちかけることにより、前記トレイに設けられた引掛部が前記ロープに引っ掛かり、前記トレイが前記ロープに吊り下げられることを特徴とする請求項3記載のプラズマ処理装置。 - 前記基材をプラズマ洗浄するプラズマ洗浄室、前記基材にカーボンイオンを注入するイオン注入室、前記基材の一方の面にDLC被膜を形成する第1成膜室、前記基材の他方の面にDLC被膜を形成する第2成膜室、前記基材を酸素プラズマにより親水処理する親水処理室を前記プラズマ処理室として備え、
前記リフト機構が、前記トレイを、前記プラズマ洗浄室、前記イオン注入室、前記第1成膜室、前記第2成膜室、及び前記親水処理室にこの順で搬送することを特徴とする請求項1乃至4のうち何れか一項に記載のプラズマ処理装置。 - 前記プラズマ洗浄室、前記イオン注入室、及び前記親水処理室のそれぞれには、室内にプラズマを発生させる少なくとも一対のアンテナが前記基材を挟む位置に設けられていることを特徴とする請求項5記載のプラズマ処理装置。
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JP2019234389A JP6814998B1 (ja) | 2019-12-25 | 2019-12-25 | プラズマ処理装置 |
EP21150886.6A EP3843122B1 (en) | 2019-12-25 | 2021-01-11 | Plasma treatment apparatus |
US17/146,493 US20210233751A1 (en) | 2019-12-25 | 2021-01-12 | Plasma treatment apparatus |
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JP6978057B2 (ja) * | 2017-12-27 | 2021-12-08 | 株式会社プラズマイオンアシスト | 燃料電池用セパレータ製造方法及び成膜装置 |
CN110158058A (zh) * | 2018-02-16 | 2019-08-23 | 等离子体成膜有限公司 | 等离子体处理装置 |
JP2019165260A (ja) * | 2019-06-28 | 2019-09-26 | 村田 正義 | 基板の両面に半導体膜を形成する装置 |
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