WO2005037942A1 - Peinture a reflexion optique - Google Patents

Peinture a reflexion optique Download PDF

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Publication number
WO2005037942A1
WO2005037942A1 PCT/JP2004/015240 JP2004015240W WO2005037942A1 WO 2005037942 A1 WO2005037942 A1 WO 2005037942A1 JP 2004015240 W JP2004015240 W JP 2004015240W WO 2005037942 A1 WO2005037942 A1 WO 2005037942A1
Authority
WO
WIPO (PCT)
Prior art keywords
optical reflection
paint according
optical
oxide
reflection paint
Prior art date
Application number
PCT/JP2004/015240
Other languages
English (en)
Japanese (ja)
Inventor
Takayuki Kato
Kazutaka Takasai
Masahiro Machida
Yuuichi Deushi
Koichiro Shimizu
Noriyoshi Kaneko
Original Assignee
Oki Electric Industry Co., Ltd.
Ceramission Co.,Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oki Electric Industry Co., Ltd., Ceramission Co.,Ltd. filed Critical Oki Electric Industry Co., Ltd.
Publication of WO2005037942A1 publication Critical patent/WO2005037942A1/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
    • C09D183/04—Polysiloxanes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/004—Reflecting paints; Signal paints

Definitions

  • the present invention relates to an optical reflection paint used for an optical component and an optical reflection coating formed by the same.
  • a reflector used as an optical reflecting component of a conventional sidelight-type backlight device includes a fine filler such as an acrylic resin or the like inside a polymer film or sheet that also has an organic material such as polyethylene terephthalate.
  • a reflector having scattering reflection characteristics is formed by dispersion. Such a reflector is described, for example, in JP-A-2003-279714, mainly on page 5, right column, line 5, line 14.
  • the basic material of the optical reflection component is an organic substance such as polyethylene terephthalate resin resin, a certain characteristic can be obtained as the reflection characteristic.
  • the ultraviolet light emitted from the arc tube is immediately deteriorated, which causes a decrease in reflection characteristics and chromaticity, and it is difficult to maintain the reflection characteristics for a long period of time.
  • the above-described optical reflecting component also has low heat radiation characteristics, and it is difficult to radiate heat generated during light emission of the light emitting tube. As a result, the temperature of the light emitting tube rises, and luminous efficiency is reduced. There was a problem of making it.
  • the present invention provides an optical reflective paint which is excellent in heat radiation of a heating element and excellent in light resistance.
  • An object is to provide an optical reflection coating.
  • the coating film of the optical reflection paint according to the present invention has not only optical reflection characteristics but also light resistance characteristics and heat radiation characteristics.
  • the optically reflective coating also advantageously includes an inorganic filler and a binder connecting the inorganic fillers to each other.
  • an optically reflective coating film is formed by such an optically reflective paint.
  • the optical reflection coating is formed of the inorganic filler and the binder for connecting the inorganic fillers to each other, so that the optical reflection coating formed of the optical reflection coating has excellent light resistance. Demonstrate. Due to its light resistance to ultraviolet light, good reflection characteristics are maintained even for long-term ultraviolet light irradiation.
  • an inorganic filler such as a metal oxide film having excellent heat radiation characteristics as a constituent material, excellent heat absorption characteristics and heat radiation characteristics are exhibited.
  • heat generated by a heating element such as an arc tube can be efficiently dissipated.
  • any object on which the optical reflection coating is to be formed can be easily processed, regardless of the restriction on processing.
  • An optical reflective coating can be formed to improve the reflective properties of the object.
  • FIG. 1 is a view for explaining an embodiment of an optical reflection paint according to the present invention
  • FIG. 2 is an explanatory view showing the optical reflection coating film of the embodiment shown in FIG. 1,
  • FIG. 3 is an enlarged view showing an enlarged part A in FIG. 2,
  • FIG. 4 is an explanatory view showing an application example of the optical reflection coating film of the same example
  • FIG. 5 is a view for explaining a heat radiation state by the optical reflection coating
  • FIG. 6 is a diagram for explaining the scattered reflection of the optical reflection coating
  • FIG. 8 is a view for explaining a measuring device for an ultraviolet light resistance deterioration test and a heat radiation characteristic evaluation test.
  • the optical reflection paint 1 of the embodiment includes a white metal oxide 2a, a white metal nitride 2b, a white metal carbide 2c, and a white metal sulfide 2d. Each is formed as fine particles. These are collectively referred to as inorganic filler 2.
  • the optical reflective paint 1 also contains a binder 3.
  • binder 3 include silicone emulsions, silicone resins, silicone varnishes, and mixtures of alkoxysilane solutions and aqueous colloidal silica dispersions.
  • the binder 3 is formed by drying after coating and evaporating the solvent contained in the binder 3 to form a bonding function by the inorganic transparent film 3a formed by the coating. It performs functions such as bonding to the object 5 shown in 2.
  • the binder 3 is liquid.
  • the binder 3 at least one of a silicone emanol, a silicone resin, a silicone varnish, and a mixture of an alkoxysilane solution and an aqueous dispersion of colloidal silica is used.
  • the white metal oxide 2a is magnesium oxide, alumina, silicon oxide, calcium oxide, titanium oxide, yttrium oxide, zinc oxide, zirconium oxide, or the like, and at least one of them is used.
  • the white metal nitride 2b is silicon nitride, niobium nitride, molybdenum nitride or the like, and at least one of them is used.
  • the white metal carbide 2c is silicon carbide, titanium carbide, or the like, and at least one of them is used.
  • the white metal slurry 2d is barium sulfate or the like.
  • the basic configuration of the optical reflection paint 1 of the present embodiment is configured by dispersing the above-mentioned inorganic filler 2 in a liquid binder 3. It is sufficient that the white inorganic oxide 2a, the metal nitride 2b, the metal carbide 2c and the metal sulfide 2d, which are the inorganic fillers 2, contain at least one of them.
  • the ratio of the inorganic filler 2 to the optical reflection paint 1 be 5% by weight or more and 85% by weight or less. If the amount of the inorganic filler 2 is less than 5% by weight, the coating film formed by the optical reflection paint 1 becomes nearly transparent, and light is transmitted. Ma On the other hand, if it exceeds 85% by weight, it becomes difficult to form a coating film.
  • a fluorescent whitening agent may be mixed.
  • the ratio of the optical brightener to the optical reflection paint 1 is 0.3% by weight or more and 10% by weight or less. If the amount of the optical brightener is less than 0.3% by weight, the effect of light energy conversion becomes too small, and if it exceeds 10% by weight, it becomes difficult to form a coating film.
  • FIG. 2 shows a state in which the optical reflective coating 1 is applied to an object 5 such as a metal plate such as aluminum or stainless steel to form an optical reflective coating 4.
  • the optical reflective coating material 1 is applied to the object 5 by spray coating, screen printing, silk printing or the like, or a coater such as a roll coater or a spin coater.
  • the solvent contained in the binder 3 is evaporated at a temperature of 25 to 300 ° C. and dried. Thereby, the optical reflection coating film 4 is formed.
  • the inorganic filler 2 is bonded to the inorganic transparent film 3a, and the optical reflection coating 4 is formed.
  • the coating film surface 4a becomes a porous surface having irregularities, and the formed optically reflective coating film 4 exhibits a white color.
  • the optically reflective coating film 4 of the embodiment thus formed is applied to a place where optical reflection is required because of having reflective properties.
  • it is arranged in a place where it receives light from the arc tube 6 directly.
  • Most of the light emitted from the arc tube is light having a wavelength in the visible light region, but also includes light having an ultraviolet wavelength, that is, ultraviolet light.
  • the optical reflection coating film 4 of the present embodiment is an inorganic material in which the inorganic filler 2 is bonded by the inorganic transparent film 3a formed by the binder 3, and thus has excellent light resistance.
  • the light resistance to ultraviolet light is extremely superior to that of organic substances, and therefore, the reflection characteristics are well maintained even with long-term irradiation with ultraviolet light.
  • FIG. 4 shows an example in which the optical reflection coating 4 of the embodiment is mounted.
  • an optical reflective coating film 4 is formed on the inner surface of a housing 7 made of aluminum or stainless steel as an object.
  • a housing 7 made of aluminum or stainless steel as an object.
  • an arc tube 6 is provided, and a liquid crystal panel 9 is mounted via a diffusion plate 8.
  • the arc tube cannot be generally cooled by air in a closed space. It is often installed in a functional state. For this reason, when heat is generated along with the light emission of the arc tube, heat dissipation becomes insufficient, and the temperature of the arc tube itself rises. For this reason, conventionally, the arc tube has been used in a state where its temperature is higher than the optimum temperature, and generally used in a state where it is difficult to obtain the optimum luminous efficiency.
  • the optical reflection coating 4 of the present embodiment has the inorganic filler 2 such as the above-mentioned metal oxide film having excellent heat radiation characteristics as a constituent material, the heat absorption characteristics and the heat radiation Excellent characteristics. Therefore, the optical reflection coating film 4 is effectively applied particularly to cooling of the arc tube 6 and the like used in an environment where cooling is difficult, such as the above-mentioned closed space.
  • the infrared rays generated by the light emission of the arc tube 6 generally include far infrared rays, and when they reach the optical reflection coating film 4, they are converted into heat by an inorganic filler 2 such as a metal oxide. Is done. This heat is absorbed by the optical reflection coating 4, transmitted to the optical reflection coating 4 and the housing 7 which is a metal by heat conduction, reaches the outer surface of the housing 7, and finally reaches the outer space by heat transfer. Dissipated heat.
  • the white optically reflective coating film 4 of the embodiment can convert infrared rays into heat. Therefore, it exhibits excellent heat dissipation characteristics as compared with a normal white coating film. Due to such heat radiation characteristics, the temperature of the arc tube 6 itself is reduced, and the arc tube 6 is kept at the optimum temperature, and the luminous efficiency is improved.
  • the optical reflection coating 4 of the embodiment also has a heat radiation characteristic of converting heat into infrared rays and radiating the same, the optical reflection coating 4 is formed on the front and back surfaces of the housing 7 and the like. Then, the cooling effect of the arc tube 6 and the like is further reduced by the heat radiation characteristics of the optical reflection coating 4 formed on the back surface.
  • the porous white surface having the unevenness of the coating surface 4a scatters the irradiation light 21 to the scattered light 23. And reflected. Due to the scattering reflection characteristics, the occurrence of uneven brightness of the reflected light 23 is suppressed.
  • the optical reflection coating 4 made of the optical reflection coating 1 containing a fluorescent whitening agent the property of converting the short-wavelength light of the fluorescent whitening agent into visible light acts to act on the arc tube 6. It is possible to convert short-wavelength light of the irradiated light into a visible light region wavelength. to this Thereby, the reflection characteristics are further improved.
  • the optical reflection coating 4 of the embodiment is formed by applying the optical reflection paint 1 to the object 5 and then drying it. For this reason, the optical reflection coating film 4 can be easily formed on any target object 5 which is not subject to the restrictions on kamen. Thus, the reflection characteristics can be improved irrespective of the type of the object 5.
  • Table 1 shows the evaluation results of the reflection properties of the optical reflection coating film 4 formed by the optical reflection coating material 1 of the present example.
  • silicone emulsion is used as the binder 3 of the present invention, which contains 30% by weight of zirconium oxide, 10% by weight of aluminum oxide and 5% by weight of optical brightener.
  • the optical reflection paint 1 having a thickness of 200 m formed by applying the optical reflection paint 1 by spray coating and drying at a temperature of 150 ° C. is shown.
  • the conventional product # 1 used for comparison is a reflection sheet (model E60V) manufactured by Toray Industries, Inc., and the conventional product # 2 is a reflector (model MIR02) manufactured by ALANOD (Aluminium-Veredlung GmbH & Co. KG). Being done.
  • the reflection characteristics were measured using a spectral colorimeter (model CM-2002) manufactured by Minolta Co., Ltd. using a standard light source D65 (color temperature of 6500 degrees Kelvin) equivalent to solar light and measuring the light at an angle of 2 degrees. Performed under conditions.
  • the measured values shown in Table 1 are values when the standard white plate is set to 100.
  • the product of the present invention has excellent scattered reflected light including specular reflected light and the reflection characteristics of scattered reflected light as compared with the conventional products # 1 and # 2. Utilizing the superiority of this reflection characteristic, if it is applied to lamp houses and reflectors of liquid crystal panel devices, High luminance of display and reduction of luminance unevenness can be achieved.
  • Table 2 shows the results of an ultraviolet light resistance deterioration test of the optical reflection coating 4 formed with the optical reflection coating 1 of the example.
  • the deterioration test shown in Table 2 is a test in which a temperature of 80 ° C is applied from the back side of the test sample 11, that is, the side of the lamp house 12, and the front side is left as a light emitting tube 6 irradiated with light from a xenon lamp. Performed in an environment by accelerated testing.
  • the times shown in Table 2 are equivalent times converted into the equivalent of the actual environment by the amount of ultraviolet light and the leaving time.
  • Test Product 11 used the same optically reflective coating film 4 as used in the above-described reflection characteristic evaluation test.
  • a reflection sheet (model E60V) manufactured by Toray Industries, Inc. was used.
  • the measured values of each corresponding time shown in Table 2 are based on the initial state, the chromaticity represented by XY is represented by the respective change amounts ⁇ ⁇ , ⁇ , and the reflection characteristic is 100 in the initial state. It is indicated by the value at the time of execution.
  • the chromaticity of the conventional product changes more than the equivalent time of 26,000 hours, while that of the product of the present invention hardly changes until the equivalent time of 156,000 hours.
  • the reflection characteristics of the conventional product change sharply after the equivalent time of 94,000 hours, whereas that of the present invention product shows almost no change until the equivalent time of 156,000 hours.
  • the product of the present invention is It can be seen that the chromaticity and the reflection characteristics due to light irradiation are excellent.
  • the life of the liquid crystal panel can be extended.
  • the input current of the arc tube 6 is increased and the gap between the arc tube 6 and the optically reflective coating 4 is reduced by taking advantage of the excellent resistance to deterioration of ultraviolet light, the height of the liquid crystal panel can be improved. Brightening is possible.
  • Table 3 shows the results of a heat radiation property test of the optical reflection coating 4 formed with the optical reflection coating 1 of the example.
  • the arc tube 6 in this evaluation test is a normal cold cathode tube.
  • Specimen 11 shown in Table 3 is the same as the specimen 11 in the above-described UV light deterioration resistance test.
  • the temperature was measured by attaching a thermocouple to the arc tube 6 and the liquid crystal panel 9 at the positions indicated by circles in FIG.
  • the luminous efficiency of the device is improved by cooling the arc tube utilizing the superior heat radiation characteristics, and the contrast of the device is improved by cooling the liquid crystal panel 9.
  • optical reflection coating 4 used in each of these evaluation tests is an example of the product of the present invention, and the optical reflection coating 4 formed by using the optical reflection coating 1 containing other components shown in the examples. The same effect can be obtained with the reflective coating film 4.
  • the optical reflection coating 4 was mainly applied to a lamp house or a reflector of a liquid crystal display device.
  • reflectors for other lighting equipment in general The same effect can be obtained even if the present invention is applied to an optical reflection component such as.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paints Or Removers (AREA)
  • Liquid Crystal (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Surface Treatment Of Glass (AREA)

Abstract

L'invention concerne une peinture à réflexion optique contenant un liant émulsifié et une charge inorganique. Cette peinture à réflexion optique présente non seulement une capacité de réflexion optique mais également des caractéristiques de photostabilité et de libération de chaleur. Un film de revêtement à réflexion optique est formé par revêtement d'un objet avec la peinture et séchage de l'objet revêtu. Ainsi, on peut obtenir une peinture à réflexion optique et un film de revêtement à réflexion optique présentant une excellente émission thermique provenant d'un élément chauffant et d'excellentes caractéristiques de photostabilité.
PCT/JP2004/015240 2003-10-17 2004-10-15 Peinture a reflexion optique WO2005037942A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003-358307 2003-10-17
JP2003358307A JP2005120278A (ja) 2003-10-17 2003-10-17 光学反射塗料およびそれにより形成した光学反射塗膜

Publications (1)

Publication Number Publication Date
WO2005037942A1 true WO2005037942A1 (fr) 2005-04-28

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PCT/JP2004/015240 WO2005037942A1 (fr) 2003-10-17 2004-10-15 Peinture a reflexion optique

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JP (1) JP2005120278A (fr)
TW (1) TW200517679A (fr)
WO (1) WO2005037942A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007134004A1 (fr) * 2006-05-15 2007-11-22 General Electric Company Compositions de peinture sans plomb résistantes aux températures élevées pour lampe de contrôle uv
GB2453343A (en) * 2007-10-04 2009-04-08 3M Innovative Properties Co Thermal infrared reflective paint composition

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KR100829693B1 (ko) * 2007-02-05 2008-05-16 엘지전자 주식회사 반사 시트와 이를 이용한 백라이트 유닛 및 이를 이용한액정 표시 장치
JP5024211B2 (ja) * 2008-07-17 2012-09-12 住友金属工業株式会社 高反射性塗装金属板
JP5606104B2 (ja) * 2009-03-23 2014-10-15 株式会社アドマテックス 紫外線反射組成物及び紫外線反射成形品
CN102321433A (zh) * 2011-08-15 2012-01-18 东莞上海大学纳米技术研究院 Led用的耐高温漫反射涂料制备方法及其涂料
JP2014227530A (ja) * 2013-05-27 2014-12-08 イズミ物産株式会社 温度抑制塗料組成物
CN105732118B (zh) * 2014-12-11 2020-03-24 深圳光峰科技股份有限公司 漫反射材料、漫反射层、波长转换装置以及光源系统
JP6517086B2 (ja) * 2015-06-05 2019-05-22 日立化成株式会社 熱放射性塗膜、及びそれを有する発光ダイオード（ｌｅｄ）照明、ヒートシンク、太陽電池モジュール用バックシート
JP6512352B2 (ja) * 2018-07-09 2019-05-15 日立化成株式会社 熱放射性塗料、及びそれを塗布した発光ダイオード（ｌｅｄ）照明、ヒートシンク、太陽電池モジュール用バックシート
JP2023046767A (ja) 2021-09-24 2023-04-05 日信化学工業株式会社 塗料組成物、外壁及び建築外装用塗料組成物、並びに積層体

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05163463A (ja) * 1991-12-12 1993-06-29 Japan Synthetic Rubber Co Ltd コーティング用組成物の製造方法
JPH05212830A (ja) * 1992-02-03 1993-08-24 Noboru Matsuda 日光反射性シートと日光反射性塗料
JPH09142913A (ja) * 1995-09-20 1997-06-03 Co-Op Chem Co Ltd 無機質組成物
JPH1158582A (ja) * 1997-08-27 1999-03-02 Soko Seiren Kk 遮光熱被覆材
JPH11100530A (ja) * 1997-09-29 1999-04-13 Nisshin Steel Co Ltd 光反射性塗料組成物および塗装製品
JPH11181354A (ja) * 1997-12-17 1999-07-06 Kajima Corp 白色塗料およびその塗膜
JPH11263639A (ja) * 1998-03-16 1999-09-28 Sumitomo Metal Mining Co Ltd 熱線遮蔽膜形成用塗布液及び熱線遮蔽膜
JP2000212475A (ja) * 1999-01-26 2000-08-02 Katsuo Miki 太陽熱遮蔽塗料
JP2001081405A (ja) * 1999-09-09 2001-03-27 Nippon Paint Co Ltd 高彩度塗膜形成用塗料組成物および塗装物
JP2003041197A (ja) * 2001-07-28 2003-02-13 Kaoru Abe 光反射塗料
JP2003261828A (ja) * 2002-03-07 2003-09-19 Sk Kaken Co Ltd 塗料組成物

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05163463A (ja) * 1991-12-12 1993-06-29 Japan Synthetic Rubber Co Ltd コーティング用組成物の製造方法
JPH05212830A (ja) * 1992-02-03 1993-08-24 Noboru Matsuda 日光反射性シートと日光反射性塗料
JPH09142913A (ja) * 1995-09-20 1997-06-03 Co-Op Chem Co Ltd 無機質組成物
JPH1158582A (ja) * 1997-08-27 1999-03-02 Soko Seiren Kk 遮光熱被覆材
JPH11100530A (ja) * 1997-09-29 1999-04-13 Nisshin Steel Co Ltd 光反射性塗料組成物および塗装製品
JPH11181354A (ja) * 1997-12-17 1999-07-06 Kajima Corp 白色塗料およびその塗膜
JPH11263639A (ja) * 1998-03-16 1999-09-28 Sumitomo Metal Mining Co Ltd 熱線遮蔽膜形成用塗布液及び熱線遮蔽膜
JP2000212475A (ja) * 1999-01-26 2000-08-02 Katsuo Miki 太陽熱遮蔽塗料
JP2001081405A (ja) * 1999-09-09 2001-03-27 Nippon Paint Co Ltd 高彩度塗膜形成用塗料組成物および塗装物
JP2003041197A (ja) * 2001-07-28 2003-02-13 Kaoru Abe 光反射塗料
JP2003261828A (ja) * 2002-03-07 2003-09-19 Sk Kaken Co Ltd 塗料組成物

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007134004A1 (fr) * 2006-05-15 2007-11-22 General Electric Company Compositions de peinture sans plomb résistantes aux températures élevées pour lampe de contrôle uv
GB2453343A (en) * 2007-10-04 2009-04-08 3M Innovative Properties Co Thermal infrared reflective paint composition

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JP2005120278A (ja) 2005-05-12
TW200517679A (en) 2005-06-01

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