JP6829309B2 - マイクロキャビティプラズマ発光アレイを有する高出力紫外(uv)及び真空紫外(vuv)ランプ - Google Patents
マイクロキャビティプラズマ発光アレイを有する高出力紫外(uv)及び真空紫外(vuv)ランプ Download PDFInfo
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- JP6829309B2 JP6829309B2 JP2019519952A JP2019519952A JP6829309B2 JP 6829309 B2 JP6829309 B2 JP 6829309B2 JP 2019519952 A JP2019519952 A JP 2019519952A JP 2019519952 A JP2019519952 A JP 2019519952A JP 6829309 B2 JP6829309 B2 JP 6829309B2
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- plasma lamp
- plasma
- gas
- inner plate
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Images
Classifications
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- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
- H01J61/16—Selection of substances for gas fillings; Specified operating pressure or temperature having helium, argon, neon, krypton, or xenon as the principle constituent
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/38—Devices for influencing the colour or wavelength of the light
- H01J61/42—Devices for influencing the colour or wavelength of the light by transforming the wavelength of the light by luminescence
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J65/00—Lamps without any electrode inside the vessel; Lamps with at least one main electrode outside the vessel
- H01J65/04—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels
- H01J65/042—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels by an external electromagnetic field
- H01J65/046—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels by an external electromagnetic field the field being produced by using capacitive means around the vessel
-
- 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
- H01J9/245—Manufacture or joining of vessels, leading-in conductors or bases specially adapted for gas discharge tubes or lamps
- H01J9/247—Manufacture or joining of vessels, leading-in conductors or bases specially adapted for gas discharge tubes or lamps specially adapted for gas-discharge lamps
- H01J9/248—Manufacture or joining of vessels, leading-in conductors or bases specially adapted for gas discharge tubes or lamps specially adapted for gas-discharge lamps the vessel being flat
-
- 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
- H01J9/26—Sealing together parts of vessels
- H01J9/265—Sealing together parts of vessels specially adapted for gas-discharge tubes or lamps
- H01J9/266—Sealing together parts of vessels specially adapted for gas-discharge tubes or lamps specially adapted for gas-discharge lamps
- H01J9/268—Sealing together parts of vessels specially adapted for gas-discharge tubes or lamps specially adapted for gas-discharge lamps the vessel being flat
-
- 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
- H01J9/38—Exhausting, degassing, filling, or cleaning vessels
- H01J9/39—Degassing vessels
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
- A61L2202/10—Apparatus features
- A61L2202/11—Apparatus for generating biocidal substances, e.g. vaporisers, UV lamps
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- A61L2202/26—Textiles, e.g. towels, beds, cloths
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- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/32—Details relating to UV-irradiation devices
- C02F2201/322—Lamp arrangement
- C02F2201/3228—Units having reflectors, e.g. coatings, baffles, plates, mirrors
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Description
Claims (31)
- 各々が内表面及び外表面を有し、互いにほぼ平行に位置決めされる、2つ又はそれ以上の内部板と、
前記内部板のうちの少なくとも1つの前記内表面の中に形成されたマイクロキャビティの少なくとも2つの異なるアレイであって、前記異なるアレイ中の前記マイクロキャビテ ィは、異なる幾何学的形状、少なくとも一つの異なる空間的寸法、マイクロキャビティの 中心間の間隔(ピッチ)、又はそれらの組み合わせを示すようになっている2つの異なるアレイと、
グロー放電(プラズマ)が生成されるガス又はガス混合物であって、前記内部板の間の固定体積を占め、前記マイクロキャビティの前記アレイと接触する、ガス又はガス混合物と、
時間変化する電圧を供給するように設計された電源に接続された複数の電極であって、少なくとも1つの前記電極が各々の前記内部板の前記外表面上に配置される、複数の電極と、
を備え、
前記時間変化する電圧は前記ガスと、前記マイクロキャビティ及び前記内部板の間の前記固定体積の両方の中に空間的に均一なグロー放電(プラズマ)が形成されるように相互作用し、前記グロー放電(プラズマ)は、UV/VUVスペクトル領域内の放射を発し、
前記マイクロキャビティの異なるアレイは、前記内部板の前記内表面の上で、1つのア レイ中の前記マイクロキャビティが別のアレイの前記マイクロキャビティと交互になるか 又は千鳥状になるように、空間的に分離されるか、又は織り交ぜられるか、又は織り合わ せられる、
プラズマランプ。 - 前記マイクロキャビティは少なくとも1つの幾何学的形状を示し、各々の幾何学的形状は、3μm〜5,000μmの範囲の所定の主空間幅(wi)、及び1μm〜1,000μmの範囲の空間深さ(d i )を有する、請求項1に記載のプラズマランプ。
- 前記空間深さ(di)は5μm〜600μmの間にあり、前記空間幅(wi)は5μm〜1,500μmの間にある、請求項2に記載のプラズマランプ。
- それぞれのアレイにおける前記マイクロキャビティの前記幾何学的形状は、円筒、半球、半円筒、楕円体、円錐台、放物面体、切頭放物面体、及び立方体の群から選択される1つである、請求項2又は請求項3に記載のプラズマランプ。
- 前記異なるアレイ中の前記マイクロキャビティによって示される前記異なる空間的寸法は、深さ(di)及び幅(wi)の1つ又はそれ以上で異なることを含む、請求項1に記載のプラズマランプ。
- 前記プラズマランプは平面型であり、6mm又はそれ以下の厚さを有する、請求項1〜 請求項5の何れか一項に記載のプラズマランプ。
- 前記プラズマランプは湾曲表面を備える、請求項1〜請求項5の何れか一項に記載のプラズマランプ。
- 1つ又はそれ以上の前記内部板は、個々に、UV/VUV放射透過性材料を備えるように選択され、
前記複数の電極のうちの少なくとも1つは、UV/VUV放射に対して90%又はそれ以上の透明性を示す、
請求項1〜請求項7の何れか一項に記載のプラズマランプ。 - 少なくとも1つの前記電極の上に、それへの環境保護をもたらすために形成された1つ 又はそれ以上の保護窓をさらに備え、
前記保護窓は、個々に、薄板又は保護コーティングであるように選択される、請求項1〜請求項8の何れか一項に記載のプラズマランプ。 - 前記ガスは、1つ又はそれ以上の希ガス、1つ又はそれ以上のハロゲン含有分子ガス、或いは、少なくとも1つのハロゲン含有ガスと1つ又はそれ以上の希ガスとの混合物を含む、請求項1〜請求項9の何れか一項に記載のプラズマランプ。
- 前記グロー放電は、ピーク波長を有するUV/VUV放射を発する分子を生成し、前記分子(及びそれらの関連するピーク波長)は、NeF*(108nm)、Ar2 *(126nm)、Kr2 *(146nm)、F2 *(158nm)、ArBr*(165nm)、Xe2 *(172nm)、ArCl*(175nm)、KrI*(190nm)、ArF*(193nm)、KrBr*(207nm)、KrCl*(222nm)、KrF*(248nm)、XeI*(254nm)、Cl2 *(258nm)、XeBr*(282nm)、Br2 *(289nm)、ArD*(290〜300nm)、XeCl*(308nm)、I2 *(342nm)、及びXeF*(351、353nm)の群から選択される、請求項10に記載のプラズマランプ。
- 前記プラズマランプは、前記プラズマランプによって生成されるUV/VUV放射の発光出力を増すように位置決めされた平面反射鏡又は反射表面をさらに備える、請求項1〜 請求項11の何れか一項に記載のプラズマランプ。
- 前記平面反射鏡は、前記プラズマランプと一体化されるか又はそれに取り付けられる、 請求項12に記載のプラズマランプ。
- 前記平面反射鏡は、少なくとも1つの選好された波長が前記平面反射鏡によって優先的に反射されるような回折構造を備える、請求項12又は請求項13に記載のプラズマランプ。
- 前記ガスがキセノン(又はNe/Xe又はAr/Xe混合物)であるとき、前記プラズマランプの平均出力強度は200mW/cm2より大きく、ピーク出力は1kWより大きく、UV/VUV放射は、主としてXe2 *エキシマ分子から、約172nmのピーク波長において発せられる、請求項11に記載のプラズマランプ。
- 前記プラズマランプは、少なくとも1つの内部板の少なくとも一部分の前記内表面の上に配置されたUV変換蛍光体材料をさらに備える、請求項1〜請求項15の何れか一項に記載のプラズマランプ。
- 前記プラズマランプは、前記内部板の前記内表面の間に配置される1つ又はそれ以上の スペーサであって、前記スペーサは前記内部板を所定の固定距離に分離するように保ち、 少なくとも1つの前記スペーサは前記内部板の縁の近くに置かれた縁スペーサであり、前 記縁スペーサは前記内部板と共に気密封止を形成し、前記内部板の間に固定体積を創出す る、1つ又はそれ以上のスペーサをさらに備える、請求項1〜請求項16の何れか一項に 記載のプラズマランプ。
- 前記スペーサは、所定のスペーサパターンを示す一体型構造体の部分、或いは円板、球、ペレット、円筒、立方体、又はそれらの混合物の形状を有する分離した構造体である、 請求項17に記載のプラズマランプ。
- 請求項1〜請求項18の何れか一項に記載のプラズマランプを備える製品であって、所定の用途における使用のためのUV/VUV放射を生成するように機能する製品。
- 前記所定の用途は、飲料水を消毒すること、医療器具又は衣服を消毒すること、生物学的病原体を不活性化すること、廃水を処理すること、クリーンルーム環境で使用されるチャンバの内表面又は構成要素の表面から汚染物又は炭化水素を脱離させること、内燃エンジン又はジェットエンジンの空気取入れ口の近くでオゾンを発生させること、又は基板の表面に塗布された後にコーティング組成物を硬化させることである、請求項19に記載の製品。
- 前記製品は複数のプラズマランプを備える、請求項19又は請求項20に記載の製品。
- 前記複数のプラズマランプは、UV/VUVスペクトル範囲において50W〜10kWの間の平均出力を生成する発光表面を実現するように、タイル張りにされる、請求項21に記載の製品。
- 前記製品は、UV/VUVスペクトル領域内の2つ又はそれ以上の波長範囲内に同時に放射を生成する、請求項19〜請求項22の何れか一項に記載の製品。
- 複合構造を有するプラズマランプを形成する方法であって、
各々の内部板が内表面及び外表面を有する、2つ又はそれ以上の内部板を準備することと、
前記内部板のうちの少なくとも1つの前記内表面内に少なくとも2つの異なるマイクロキャビティアレイを、
前記異なるアレイ中の前記マイクロキャビティが、異なる幾何学的形状、少なくとも一 つの異なる空間的寸法、マイクロキャビティの中心間の間隔(ピッチ)、又はそれらの組 み合わせを示すように、かつ、
前記マイクロキャビティの異なるアレイが、前記内部板の前記内表面の上で、1つのア レイ中の前記マイクロキャビティが別のアレイの前記マイクロキャビティと交互になるか 又は千鳥状になるように、空間的に分離されるか、又は織り交ぜられるか、又は織り合わ せられるように、形成することと、
各々の内部板の前記内表面を、別の内部板の内表面に向き合うように、位置決めすることと、
前記内部板の間に気密封止を形成し、それにより前記内部板の間に固定体積を創出することと、
前記内部板の少なくとも1つを貫通するガス充填ポートを形成することと、
前記固定体積を排気することと、
グロー放電プラズマを生成することができるガスで、前記排気された固定体積をバックフィルすることであって、前記ガスは前記マイクロキャビティのアレイと接触する、ことと、
前記ガス充填ポートを閉鎖又は封止することと、
時間変化する電圧を供給するように設計された電源に接続される複数の電極であって、少なくとも1つの電極が各々の内部板の前記外表面の上に配置される、複数の電極を形成することと、
前記時間変化する電圧を前記電極に印加して、1つ又はそれ以上の前記マイクロキャビティアレイの内部に、空間的に均一なグロー放電プラズマを形成し、前記グロー放電プラズマがUV/VUVスペクトル領域内の放射を発することと、
を含む方法。 - 前記マイクロキャビティアレイを形成することは、
マイクロキャビティアレイパターンを有するマスクを内部板の内表面に、スタンピング又はレプリカ鋳造プロセス又はリソグラフィプロセスを用いて、取り付けることと、
前記内部板の前記内表面内に、微細粉末アブレーションプロセス、レーザアブレーションプロセス、穿孔プロセス、又は化学エッチングプロセスを用いて、前記マイクロキャビティアレイを創出することと、
を含む、請求項24に記載の方法。 - 前記ガス充填ポートを閉鎖する前に、
前記プラズマランプを動作させ、
空体積から前記ガスを排気し、
前記空体積を新鮮な量の前記ガスで再充填する、
脱ガスプロセスをさらに含む、請求項24又は請求項25に記載の方法。 - 前記方法は、残留不純物を除去するために、前記プラズマランプの内部にゲッタを配置し、前記プラズマランプ内にガスが導入された後に前記ゲッタを活性化することをさらに含む、請求項24〜請求項26の何れか一項に記載の方法。
- 前記方法は、前記内部板の前記内表面の間に配置される1つ又はそれ以上のスペーサを 、前記スペーサが前記内部板を所定の固定距離に分離するように保つように、挿入するこ とであって、少なくとも1つのスペーサは前記内部板の縁近くに配置される縁スペーサで ある、ことをさらに含む、請求項24〜請求項27の何れか一項に記載の方法。
- 前記方法は、前記内部板の前記内表面と接触する前記スペーサの両面に、ガラスフリットを塗布することであって、前記ガラスフリットは焼成プロセスにおける使用のために設計された、ことをさらに含む、請求項28に記載の方法。
- 前記気密封止を形成することは、前記焼成プロセスを用いて行われる、請求項29に記載の方法。
- 前記方法は、各々の電極の上に1つ又はそれ以上の保護窓を配置することをさらに含む 、請求項24〜請求項30の何れか一項に記載の方法。
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PCT/US2016/039488 WO2018004507A1 (en) | 2016-06-27 | 2016-06-27 | High-power ultraviolet (uv) and vacuum ultraviolet (vuv) lamps with micro-cavity plasma arrays |
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JP2021007081A Division JP2021089896A (ja) | 2021-01-20 | 2021-01-20 | プラズマランプを少なくとも1つ備える製品 |
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EP3648145B1 (en) * | 2018-11-05 | 2022-01-05 | Xylem Europe GmbH | Vacuum ultraviolet excimer lamp with an inner axially symmetric wire electrode |
KR102090828B1 (ko) * | 2019-04-11 | 2020-03-18 | (주)센코 | 평판형 광 이온화 검출기용 램프 및 그 제조방법 |
US11788265B2 (en) | 2019-08-12 | 2023-10-17 | Sterilumen, Inc. | Interchangeable drain disinfecting device with UV source irradiation optimization |
US11116858B1 (en) | 2020-05-01 | 2021-09-14 | Uv Innovators, Llc | Ultraviolet (UV) light emission device employing visible light for target distance guidance, and related methods of use, particularly suited for decontamination |
US11338052B2 (en) * | 2020-06-23 | 2022-05-24 | The Boeing Company | Single-dielectric excimer lamp systems and methods |
CN112820625B (zh) * | 2020-12-31 | 2024-04-05 | 江苏威克斯医疗科技有限公司 | 一种222nm准分子灯管的制作方法 |
US11997767B2 (en) | 2021-10-20 | 2024-05-28 | Goodrich Corporation | Pulse switch-based power supply systems, methods, and devices |
CN113925992B (zh) * | 2021-11-04 | 2023-05-09 | 强固生物技术(上海)有限公司 | 一种等离子发生装置 |
WO2023239981A1 (en) * | 2022-06-06 | 2023-12-14 | Far Uv Technologies, Inc. | Far ultraviolet lamp and system with optical diffuser |
KR20240057913A (ko) * | 2022-10-25 | 2024-05-03 | 삼성전자주식회사 | 살균 장치 |
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US5686789A (en) | 1995-03-14 | 1997-11-11 | Osram Sylvania Inc. | Discharge device having cathode with micro hollow array |
US6127780A (en) * | 1998-02-02 | 2000-10-03 | Winsor Corporation | Wide illumination range photoluminescent lamp |
JP2001281426A (ja) * | 2000-03-31 | 2001-10-10 | Kobe Steel Ltd | 紫外線反射板 |
US7021015B2 (en) * | 2000-04-20 | 2006-04-04 | Masonite Corporation | Reverse molded plant-on panel component, method of manufacture, and method of decorating a door therewith |
US6441554B1 (en) * | 2000-11-28 | 2002-08-27 | Se Plasma Inc. | Apparatus for generating low temperature plasma at atmospheric pressure |
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KR100530765B1 (ko) | 2002-10-04 | 2005-11-23 | 이규왕 | 나노 다공성 유전체를 이용한 플라즈마 발생장치 |
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US9659737B2 (en) * | 2010-07-29 | 2017-05-23 | The Board Of Trustees Of The University Of Illinois | Phosphor coating for irregular surfaces and method for creating phosphor coatings |
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US20190214244A1 (en) | 2019-07-11 |
US10658170B2 (en) | 2020-05-19 |
EP3475969A1 (en) | 2019-05-01 |
US20200251324A1 (en) | 2020-08-06 |
US11004673B2 (en) | 2021-05-11 |
JP2019519086A (ja) | 2019-07-04 |
WO2018004507A1 (en) | 2018-01-04 |
EP3475969B1 (en) | 2024-02-07 |
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