MA34807B1 - Miroir solaire résistant à la corrosion - Google Patents
Miroir solaire résistant à la corrosionInfo
- Publication number
- MA34807B1 MA34807B1 MA35954A MA35954A MA34807B1 MA 34807 B1 MA34807 B1 MA 34807B1 MA 35954 A MA35954 A MA 35954A MA 35954 A MA35954 A MA 35954A MA 34807 B1 MA34807 B1 MA 34807B1
- Authority
- MA
- Morocco
- Prior art keywords
- corrosion
- solar mirror
- deposited
- major surface
- resistant
- Prior art date
Links
- 230000007797 corrosion Effects 0.000 title 1
- 238000005260 corrosion Methods 0.000 title 1
- 239000011248 coating agent Substances 0.000 abstract 2
- 238000000576 coating method Methods 0.000 abstract 2
- 239000002184 metal Substances 0.000 abstract 2
- 239000011253 protective coating Substances 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/0232—Optical elements or arrangements associated with the device
- H01L31/02327—Optical elements or arrangements associated with the device the optical elements being integrated or being directly associated to the device, e.g. back reflectors
-
- 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
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
- C23F13/02—Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
- C23F13/06—Constructional parts, or assemblies of cathodic-protection apparatus
- C23F13/08—Electrodes specially adapted for inhibiting corrosion by cathodic protection; Manufacture thereof; Conducting electric current thereto
- C23F13/10—Electrodes characterised by the structure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
- F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
- F24S23/82—Arrangements for concentrating solar-rays for solar heat collectors with reflectors characterised by the material or the construction of the reflector
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S40/00—Safety or protection arrangements of solar heat collectors; Preventing malfunction of solar heat collectors
- F24S40/40—Preventing corrosion; Protecting against dirt or contamination
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
-
- G02B1/105—
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/14—Protective coatings, e.g. hard coatings
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/08—Mirrors
- G02B5/0816—Multilayer mirrors, i.e. having two or more reflecting layers
- G02B5/085—Multilayer mirrors, i.e. having two or more reflecting layers at least one of the reflecting layers comprising metal
- G02B5/0875—Multilayer mirrors, i.e. having two or more reflecting layers at least one of the reflecting layers comprising metal the reflecting layers comprising two or more metallic layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/0232—Optical elements or arrangements associated with the device
- H01L31/02325—Optical elements or arrangements associated with the device the optical elements not being integrated nor being directly associated with the device
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/054—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
- H01L31/0547—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means comprising light concentrating means of the reflecting type, e.g. parabolic mirrors, concentrators using total internal reflection
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/52—PV systems with concentrators
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Sustainable Development (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Laminated Bodies (AREA)
- Optical Elements Other Than Lenses (AREA)
- Surface Treatment Of Optical Elements (AREA)
Abstract
La présente invention concerne un article réfléchissant comportant un substrat transparent possédant une première surface principale et une seconde surface principale. Une couche de fond est déposée sur au moins une partie de la seconde surface principale. Un revêtement réfléchissant primaire comportant au moins une couche métallique est déposé sur au moins une partie de la couche de fond. Un revêtement protecteur est déposé sur au moins une partie du revêtement réfléchissant primaire. L'article comprend, en outre, une photopile et une anode, la photopile étant reliée à la couche métallique et à l'anode.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/964,125 US9397240B2 (en) | 2010-12-09 | 2010-12-09 | Corrosion resistant solar mirror |
PCT/US2011/052244 WO2012078227A2 (fr) | 2010-12-09 | 2011-09-20 | Miroir solaire résistant à la corrosion |
Publications (1)
Publication Number | Publication Date |
---|---|
MA34807B1 true MA34807B1 (fr) | 2014-01-02 |
Family
ID=44800228
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MA35954A MA34807B1 (fr) | 2010-12-09 | 2011-09-20 | Miroir solaire résistant à la corrosion |
Country Status (7)
Country | Link |
---|---|
US (1) | US9397240B2 (fr) |
EP (1) | EP2649652A2 (fr) |
CN (2) | CN103635756A (fr) |
IL (1) | IL226572A (fr) |
MA (1) | MA34807B1 (fr) |
WO (1) | WO2012078227A2 (fr) |
ZA (1) | ZA201303864B (fr) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
PL2526346T3 (pl) * | 2010-01-19 | 2021-04-06 | Guardian Glass, LLC | Ulepszony wtórny panel odblaskowy (srp) z powłoką umożliwiającą obróbkę cieplną, stosowany w aplikacjach skoncentrowanej energetyki słonecznej i/lub sposoby jego wytwarzania |
US8739728B2 (en) * | 2011-04-07 | 2014-06-03 | Dynamic Micro Systems, Semiconductor Equipment Gmbh | Methods and apparatuses for roll-on coating |
US20140158177A1 (en) * | 2012-12-11 | 2014-06-12 | Green Light Industries, Inc. | Producing current that is not essentially steady direct current |
JP2015052661A (ja) * | 2013-09-06 | 2015-03-19 | イビデン株式会社 | 反射ミラー |
DE102013112138A1 (de) * | 2013-11-05 | 2015-05-07 | Magontec Gmbh | Zubehörteil für eine Vorrichtung zum kathodischen Korrosionsschutz |
WO2015075759A1 (fr) | 2013-11-19 | 2015-05-28 | Tokyo Ohka Kogyo Co., Ltd. | Miroir réfléchissant pour système de concentration de lumière et système de concentration de lumière |
US20150140340A1 (en) * | 2013-11-21 | 2015-05-21 | Nano And Advanced Materials Institute Limited | Thermal resistant mirror-like coating |
DE102014101154A1 (de) * | 2014-01-30 | 2015-07-30 | Osram Opto Semiconductors Gmbh | Optoelektronische Anordnung |
DE102015102496B4 (de) * | 2014-10-27 | 2024-06-20 | Almeco Gmbh | Temperatur- und korrosionsstabiler Oberflächenreflektor |
DE102015114094A1 (de) * | 2015-08-25 | 2017-03-02 | Alanod Gmbh & Co. Kg | Reflektierendes Verbundmaterial mit lackiertem Aluminium-Träger und mit einer Silber-Reflexionsschicht und Verfahren zu dessen Herstellung |
US10942302B2 (en) | 2015-09-16 | 2021-03-09 | Vitro Flat Glass Llc | Solar mirrors and methods of making solar mirrors having improved properties |
US10241238B2 (en) * | 2015-10-19 | 2019-03-26 | Materion Corporation | Corrosion resistant optical device |
US11105001B2 (en) * | 2017-09-05 | 2021-08-31 | David William Whitmore | Cathodic corrosion protection with solar panel |
JP6575583B2 (ja) | 2017-10-30 | 2019-09-18 | セイコーエプソン株式会社 | ワイヤーグリッド偏光装置および投射型表示装置 |
US10490682B2 (en) | 2018-03-14 | 2019-11-26 | National Mechanical Group Corp. | Frame-less encapsulated photo-voltaic solar panel supporting solar cell modules encapsulated within multiple layers of optically-transparent epoxy-resin materials |
CN109031491A (zh) * | 2018-08-30 | 2018-12-18 | 西安工业大学 | 一种阵列f-p腔滤光片的制备方法 |
CN109695856B (zh) * | 2019-02-28 | 2022-04-12 | 苏州卡利肯新光讯科技有限公司 | 一种汽车前照灯用的反射镜及其制备方法 |
CN110556444A (zh) * | 2019-09-26 | 2019-12-10 | 常州斯威克新材料科技有限公司 | 一种耐酸碱功能光伏反光膜及其制备方法 |
KR102481858B1 (ko) * | 2020-06-01 | 2022-12-26 | 고려대학교 산학협력단 | 조립식 태양전지 모듈 |
CN112684526B (zh) * | 2020-12-28 | 2021-09-14 | 中国科学院长春光学精密机械与物理研究所 | 超光滑双波段反射镜及其制备方法 |
CN114214600A (zh) * | 2021-12-17 | 2022-03-22 | 东莞市光志光电有限公司 | 一种抗氧化pet银膜制备方法 |
Family Cites Families (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3762988A (en) | 1971-08-09 | 1973-10-02 | Dow Chemical Co | Interlayer and laminated product |
DE2846837A1 (de) | 1978-10-27 | 1980-05-08 | Hoechst Ag | Polyvinylbutyral-folie |
JPS57451A (en) | 1980-06-02 | 1982-01-05 | Nippon Steel Corp | Manufacture of solar heat adsorbing plates |
US4379040A (en) | 1981-01-29 | 1983-04-05 | Ppg Industries, Inc. | Method of and apparatus for control of reactive sputtering deposition |
JPS57204753A (en) | 1981-06-10 | 1982-12-15 | Matsushita Electric Ind Co Ltd | Solar heat water heater |
US4898790A (en) | 1986-12-29 | 1990-02-06 | Ppg Industries, Inc. | Low emissivity film for high temperature processing |
US4746347A (en) | 1987-01-02 | 1988-05-24 | Ppg Industries, Inc. | Patterned float glass method |
US4920006A (en) | 1987-03-26 | 1990-04-24 | Ppg Industries, Inc. | Colored metal alloy/oxynitride coatings |
US4900633A (en) | 1987-03-26 | 1990-02-13 | Ppg Industries, Inc. | High performance multilayer coatings |
US4861669A (en) | 1987-03-26 | 1989-08-29 | Ppg Industries, Inc. | Sputtered titanium oxynitride films |
US4938857A (en) | 1987-03-26 | 1990-07-03 | Ppg Industries, Inc. | Method for making colored metal alloy/oxynitride coatings |
US4792536A (en) | 1987-06-29 | 1988-12-20 | Ppg Industries, Inc. | Transparent infrared absorbing glass and method of making |
US4898789A (en) | 1988-04-04 | 1990-02-06 | Ppg Industries, Inc. | Low emissivity film for automotive heat load reduction |
US5328768A (en) | 1990-04-03 | 1994-07-12 | Ppg Industries, Inc. | Durable water repellant glass surface |
US5030593A (en) | 1990-06-29 | 1991-07-09 | Ppg Industries, Inc. | Lightly tinted glass compatible with wood tones |
US5030594A (en) | 1990-06-29 | 1991-07-09 | Ppg Industries, Inc. | Highly transparent, edge colored glass |
US5240886A (en) | 1990-07-30 | 1993-08-31 | Ppg Industries, Inc. | Ultraviolet absorbing, green tinted glass |
US5393593A (en) | 1990-10-25 | 1995-02-28 | Ppg Industries, Inc. | Dark gray, infrared absorbing glass composition and coated glass for privacy glazing |
JPH0761230B2 (ja) | 1991-07-03 | 1995-07-05 | 日本鋼管株式会社 | 冷凍魚のサク取り加工方法 |
JP2771414B2 (ja) * | 1992-12-28 | 1998-07-02 | キヤノン株式会社 | 太陽電池の製造方法 |
CA2120877A1 (fr) * | 1993-04-28 | 1994-10-29 | Jesse D. Wolfe | Miroirs a surface primaire et secondaire durables |
US5492750A (en) | 1994-09-26 | 1996-02-20 | Ppg Industries, Inc. | Mask for coated glass |
JP3792281B2 (ja) * | 1995-01-09 | 2006-07-05 | 株式会社半導体エネルギー研究所 | 太陽電池 |
US6989924B1 (en) | 1998-08-06 | 2006-01-24 | Midwest Research Institute | Durable corrosion and ultraviolet-resistant silver mirror |
JP2001156321A (ja) * | 1999-03-09 | 2001-06-08 | Fuji Xerox Co Ltd | 半導体装置およびその製造方法 |
US7311961B2 (en) | 2000-10-24 | 2007-12-25 | Ppg Industries Ohio, Inc. | Method of making coated articles and coated articles made thereby |
US20020172775A1 (en) | 2000-10-24 | 2002-11-21 | Harry Buhay | Method of making coated articles and coated articles made thereby |
US20030228476A1 (en) | 2001-10-22 | 2003-12-11 | Harry Buhay | Methods of changing the visible light transmittance of coated articles and coated articles made thereby |
US6869644B2 (en) | 2000-10-24 | 2005-03-22 | Ppg Industries Ohio, Inc. | Method of making coated articles and coated articles made thereby |
EP1497235B1 (fr) | 2002-04-25 | 2017-12-27 | Vitro, S.A.B. de C.V. | Procede de fabrication d'articles possedant un revetement, presentant un revetement formant barriere contre l'oxygene et articles possedant un revetement fabrique par le biais de ce procede |
CN100542985C (zh) | 2002-04-25 | 2009-09-23 | Ppg工业俄亥俄公司 | 具有防护涂层的涂敷制品和用于制造该涂敷制品的阴极靶 |
US20040258928A1 (en) * | 2003-06-17 | 2004-12-23 | Mehran Arbab | Solar control coating with metal alloy film |
KR100835277B1 (ko) | 2006-11-23 | 2008-06-05 | 삼성전자주식회사 | 희생 양극을 갖는 전자 장치의 제조방법 및 그에 의해제조된 전자 장치 |
WO2009080741A2 (fr) | 2007-12-21 | 2009-07-02 | Agc Flat Glass Europe Sa | Réflecteur d'énergie solaire |
US8445098B2 (en) | 2008-03-11 | 2013-05-21 | Ppg Industries Ohio, Inc. | Reflective article having multiple reflective coatings |
US20100229853A1 (en) | 2009-01-13 | 2010-09-16 | Vandal Robert A | Mounting brackets for mirrors, and associated methods |
-
2010
- 2010-12-09 US US12/964,125 patent/US9397240B2/en active Active
-
2011
- 2011-09-20 MA MA35954A patent/MA34807B1/fr unknown
- 2011-09-20 EP EP11769964.5A patent/EP2649652A2/fr not_active Withdrawn
- 2011-09-20 CN CN201180059779.9A patent/CN103635756A/zh active Pending
- 2011-09-20 CN CN201810267647.9A patent/CN108469123A/zh active Pending
- 2011-09-20 WO PCT/US2011/052244 patent/WO2012078227A2/fr active Application Filing
-
2013
- 2013-05-26 IL IL226572A patent/IL226572A/en active IP Right Grant
- 2013-05-27 ZA ZA2013/03864A patent/ZA201303864B/en unknown
Also Published As
Publication number | Publication date |
---|---|
CN108469123A (zh) | 2018-08-31 |
WO2012078227A3 (fr) | 2013-12-12 |
IL226572A (en) | 2017-12-31 |
US20120145219A1 (en) | 2012-06-14 |
ZA201303864B (en) | 2014-04-30 |
CN103635756A (zh) | 2014-03-12 |
US9397240B2 (en) | 2016-07-19 |
EP2649652A2 (fr) | 2013-10-16 |
WO2012078227A2 (fr) | 2012-06-14 |
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