JP5040217B2 - 保護膜形成方法および保護膜形成装置 - Google Patents
保護膜形成方法および保護膜形成装置 Download PDFInfo
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- JP5040217B2 JP5040217B2 JP2006230061A JP2006230061A JP5040217B2 JP 5040217 B2 JP5040217 B2 JP 5040217B2 JP 2006230061 A JP2006230061 A JP 2006230061A JP 2006230061 A JP2006230061 A JP 2006230061A JP 5040217 B2 JP5040217 B2 JP 5040217B2
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- water vapor
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- 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
- C23C14/08—Oxides
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- 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
- C23C14/08—Oxides
- C23C14/081—Oxides of aluminium, magnesium or beryllium
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/22—Surface treatment of glass, not in the form of fibres or filaments, by coating with other inorganic material
- C03C17/23—Oxides
- C03C17/245—Oxides by deposition from the vapour phase
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- 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
- C23C14/0021—Reactive sputtering or evaporation
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- 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
- C23C14/542—Controlling the film thickness or evaporation rate
- C23C14/544—Controlling the film thickness or evaporation rate using measurement in the gas phase
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- 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
- 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
- C23C16/22—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 deposition of inorganic material, other than metallic material
- C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
- C23C16/40—Oxides
- C23C16/403—Oxides of aluminium, magnesium or beryllium
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- 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
- 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
- C23C16/52—Controlling or regulating the coating process
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- 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
- 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
- C23C16/54—Apparatus specially adapted for continuous coating
- C23C16/545—Apparatus specially adapted for continuous coating for coating elongated substrates
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J11/00—Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP]; Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel
- H01J11/20—Constructional details
- H01J11/34—Vessels, containers or parts thereof, e.g. substrates
- H01J11/40—Layers for protecting or enhancing the electron emission, e.g. MgO layers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/02—Manufacture of electrodes or electrode systems
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/24—Manufacture or joining of vessels, leading-in conductors or bases
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/44—Factory adjustment of completed discharge tubes or lamps to comply with desired tolerances
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2217/00—Coatings on glass
- C03C2217/20—Materials for coating a single layer on glass
- C03C2217/21—Oxides
- C03C2217/228—Other specific oxides
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2218/00—Methods for coating glass
- C03C2218/10—Deposition methods
- C03C2218/15—Deposition methods from the vapour phase
- C03C2218/152—Deposition methods from the vapour phase by cvd
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2211/00—Plasma display panels with alternate current induction of the discharge, e.g. AC-PDPs
- H01J2211/20—Constructional details
- H01J2211/34—Vessels, containers or parts thereof, e.g. substrates
- H01J2211/40—Layers for protecting or enhancing the electron emission, e.g. MgO layers
Description
まず、本発明の保護膜形成方法および保護膜形成装置で製造された保護膜が適用されるPDPの構成について説明する。図1はPDPの概略構成を示す斜視図である。図1に示すように、PDP1は、互いに対向して配置された前面板10と背面板20とを備えている。前面板10は、前面ガラス基板11上に走査電極12aおよび維持電極12bがストライプ状に複数対形成されて表示電極12を構成している。また、表示電極12の間にはブラックストライプ13が形成されている。さらに、走査電極12a、維持電極12bおよびブラックストライプ13の上には誘電体層14が形成され、さらに誘電体層14を覆ってMgOを材料とする保護膜15が形成されている。
10 前面板
11 前面ガラス基板
12 表示電極
12a 走査電極
12b 維持電極
13 ブラックストライプ
14 誘電体層
15 保護膜
20 背面板
21 背面ガラス基板
22 アドレス電極
23 下地誘電体層
24 隔壁
25 蛍光体層
30 放電空間
200 予備加熱室
201 蒸着室
202 徐冷室
203,204 ゲートバルブ
205 蒸着源
206 MgO蒸気
207 ピアス式電子ガン
208 電子ビーム
209 邪魔板
210 水蒸気吐出口
211 吐出管
212 孔
213 純水
214 容器
215,221 マスフローコントローラ
216 恒温槽
217 ブライン
218 温度センサー
219 制御装置
220 酸素ボンベ
222 酸素吐出口
223 ターボポンプ
224 質量分析器
225 計測ボード
226 コンピュータ
230 水蒸気
240 水蒸気配管
Claims (10)
- 成膜室において基板を搬送しながら酸化マグネシウムの保護膜を形成する保護膜形成方法であって、酸素を前記成膜室へ導入するとともに、前記基板搬送方向の下流から水蒸気を前記成膜室へ導入し、前記成膜室の水素イオン強度と酸素イオン強度を測定し、前記水素イオン強度と前記酸素イオン強度の比率によって前記水蒸気の導入流量と前記酸素の導入流量とを制御することを特徴とする保護膜形成方法。
- 前記水蒸気の導入は、前記基板の保護膜を形成する面に沿って前記成膜室内に導入することを特徴とする請求項1に記載の保護膜形成方法。
- 前記基板の保護膜を形成する面から5cm以内の前記成膜室内に前記水蒸気を導入することを特徴とする請求項1に記載の保護膜形成方法。
- 前記成膜室に成膜源を配置するとともに、前記成膜源を配置した近傍において前記水素イオン強度と前記酸素イオン強度とを測定することを特徴とする請求項1に記載の保護膜形成方法。
- 前記酸素イオン強度に対する前記水素イオン強度の比率が50%以上となるように前記酸素の導入流量と前記水蒸気の導入流量とを制御することを特徴とする請求項1に記載の保護膜形成方法。
- 成膜室において基板上に酸化マグネシウムの保護膜を形成する保護膜形成装置であって、前記基板を搬送しながら前記保護膜を形成する搬送手段と、酸素を前記成膜室に導入する酸素導入手段と、前記基板を搬送する方向の下流から水蒸気を前記成膜室に導入する水蒸気導入手段と、前記成膜室内の水素イオン強度と酸素イオン強度とを測定するイオン強度測定手段と、前記イオン強度測定手段により測定されたイオン強度によって前記水蒸気の導入流量と前記酸素の導入流量とを制御する水蒸気導入流量制御手段および酸素導入流量制御手段とを備えたことを特徴とする保護膜形成装置。
- 前記水蒸気導入手段は、前記成膜室に開口する水蒸気吐出口を備え、前記基板の搬送方向の下流側から上流側に向けて水蒸気を吐出することを特徴とする請求項6に記載の保護膜形成装置。
- 前記水蒸気導入手段は、前記成膜室に開口する水蒸気吐出口を備え、前記水蒸気吐出口を前記基板の前記保護膜が形成される面から5cm以内の位置に設けたことを特徴とする請求項6に記載の保護膜形成装置。
- 前記成膜室に前記保護膜の成膜源を備え、前記水素イオン強度と酸素イオン強度とを測定するイオン強度測定手段を前記成膜源の近傍に備えたことを特徴とする請求項6に記載の保護膜形成装置。
- 前記水蒸気導入手段の構成要素であって、水蒸気を発生する水蒸気発生装置と水蒸気の導入流量を制御する水蒸気導入流量制御手段を、前記成膜室外であって前記基板の搬送方向の下流側に配置したことを特徴とする請求項6に記載の保護膜形成装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006230061A JP5040217B2 (ja) | 2005-09-13 | 2006-08-28 | 保護膜形成方法および保護膜形成装置 |
KR1020077009059A KR100868604B1 (ko) | 2005-09-13 | 2006-09-11 | 보호막 형성 방법 및 보호막 형성 장치 |
US11/665,019 US8163085B2 (en) | 2005-09-13 | 2006-09-11 | Method and apparatus for forming protective layer |
PCT/JP2006/317965 WO2007032302A1 (ja) | 2005-09-13 | 2006-09-11 | 保護膜形成方法および保護膜形成装置 |
EP06797791A EP1925689A4 (en) | 2005-09-13 | 2006-09-11 | METHOD AND DEVICE FOR PRODUCING A PROTECTIVE FILM |
Applications Claiming Priority (3)
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JP2005264978 | 2005-09-13 | ||
JP2005264978 | 2005-09-13 | ||
JP2006230061A JP5040217B2 (ja) | 2005-09-13 | 2006-08-28 | 保護膜形成方法および保護膜形成装置 |
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JP2007107092A JP2007107092A (ja) | 2007-04-26 |
JP5040217B2 true JP5040217B2 (ja) | 2012-10-03 |
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Country Status (5)
Country | Link |
---|---|
US (1) | US8163085B2 (ja) |
EP (1) | EP1925689A4 (ja) |
JP (1) | JP5040217B2 (ja) |
KR (1) | KR100868604B1 (ja) |
WO (1) | WO2007032302A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4961701B2 (ja) * | 2005-09-14 | 2012-06-27 | パナソニック株式会社 | プラズマディスプレイパネルの製造方法 |
JP4969832B2 (ja) * | 2005-10-27 | 2012-07-04 | 株式会社アルバック | 成膜装置、パネルの製造方法 |
CN102067266B (zh) * | 2008-06-16 | 2013-02-06 | 株式会社爱发科 | 等离子体显示器面板的制造方法、成膜装置 |
JP2012046780A (ja) * | 2010-08-25 | 2012-03-08 | Tokyo Electron Ltd | 蒸着処理装置および蒸着処理方法 |
GB201212540D0 (en) * | 2012-07-13 | 2012-08-29 | Uab Electrum Balticum | Vacuum treatment process monitoring and control |
JP7362235B2 (ja) * | 2018-01-19 | 2023-10-17 | 大日本印刷株式会社 | 蒸着膜成膜装置及び蒸着膜成膜方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01268859A (ja) * | 1988-04-20 | 1989-10-26 | Casio Comput Co Ltd | 透明導電膜の形成方法および形成装置 |
JP3836184B2 (ja) * | 1996-05-01 | 2006-10-18 | 中外炉工業株式会社 | 酸化マグネシウム膜の製造方法 |
KR19980065367A (ko) * | 1996-06-02 | 1998-10-15 | 오평희 | 액정표시소자용 백라이트 |
JPH10106441A (ja) * | 1996-10-02 | 1998-04-24 | Fujitsu Ltd | プラズマディスプレイパネル |
EP0918043B8 (de) * | 1997-11-20 | 2005-11-23 | Applied Films GmbH & Co. KG | Mit mindestens einer MgO-Schicht beschichtetes Substrat |
US6150030A (en) | 1997-11-20 | 2000-11-21 | Balzers Hochvakuum Ag | Substrate coated with an MgO-layer |
JP4197204B2 (ja) * | 1998-10-23 | 2008-12-17 | キヤノンアネルバ株式会社 | 酸化マグネシウムの作製装置 |
JP4153983B2 (ja) | 2000-07-17 | 2008-09-24 | パイオニア株式会社 | 保護膜、その成膜方法、プラズマディスプレイパネル及びその製造方法 |
JP2002069617A (ja) * | 2000-09-01 | 2002-03-08 | Nec Corp | 保護膜の成膜方法及び成膜材料 |
JP4381649B2 (ja) | 2002-04-04 | 2009-12-09 | パナソニック株式会社 | プラズマディスプレイパネルの製造方法および誘電体保護膜製造装置 |
JP4110857B2 (ja) | 2002-06-28 | 2008-07-02 | 松下電器産業株式会社 | プラズマディスプレイパネルの製造方法およびその保護層を作製する原材料 |
KR20050071683A (ko) * | 2003-07-15 | 2005-07-07 | 마쯔시다덴기산교 가부시키가이샤 | 플라즈마 디스플레이 패널의 제조방법 |
JP2005050804A (ja) | 2003-07-15 | 2005-02-24 | Matsushita Electric Ind Co Ltd | プラズマディスプレイパネルの製造方法およびその製造装置 |
WO2005006380A1 (ja) * | 2003-07-15 | 2005-01-20 | Matsushita Electric Industrial Co., Ltd. | プラズマディスプレイパネルの製造方法およびその製造装置 |
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2006
- 2006-08-28 JP JP2006230061A patent/JP5040217B2/ja not_active Expired - Fee Related
- 2006-09-11 KR KR1020077009059A patent/KR100868604B1/ko not_active IP Right Cessation
- 2006-09-11 US US11/665,019 patent/US8163085B2/en not_active Expired - Fee Related
- 2006-09-11 EP EP06797791A patent/EP1925689A4/en not_active Withdrawn
- 2006-09-11 WO PCT/JP2006/317965 patent/WO2007032302A1/ja active Application Filing
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KR100868604B1 (ko) | 2008-11-13 |
US20090017189A1 (en) | 2009-01-15 |
US8163085B2 (en) | 2012-04-24 |
JP2007107092A (ja) | 2007-04-26 |
WO2007032302A1 (ja) | 2007-03-22 |
KR20070060124A (ko) | 2007-06-12 |
EP1925689A1 (en) | 2008-05-28 |
EP1925689A4 (en) | 2010-12-15 |
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