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1.发明公开
公开(公告)号：EP1889931A4
公开(公告)日：2011-09-07
申请号：EP06766580
申请日：2006-06-12
发明人： OBATA TOMOKAZU , YANAGIHARA HIROSHI
IPC分类号： C22C5/06
CPC分类号： C22C5/06 , B22F2998/00 , C22C5/08 , C22F1/14 , C23C14/185 , G11B7/259 , B22F3/10
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公开(公告)号：EP1736558A4
公开(公告)日：2009-06-17
申请号：EP04793205
申请日：2004-10-29
发明人： OBATA TOMOKAZU , YANAGIHARA HIROSHI
IPC分类号： C22C5/06 , G11B7/258 , G11B7/2585 , G11B7/259 , G11B7/26
摘要： A silver alloy for a reflective film of an optical recording medium which comprises silver as the primary component thereof and at least one metallic element having a melting point lower than that of silver as a first additive element. The first additive element is preferably aluminum, indium, tin, bismuth, gallium, zinc, strontium, calcium or germanium. Preferably, the silver alloy further comprises, as a second additive element, at least one of platinum, gold, rhodium, iridium, ruthenium, palladium, lead, copper, manganese, silicon, nickel, chromium, cobalt, yttrium, iron, scandium, zirconium, titanium, niobium, molybdenum, tantalum, tungsten, hafnium, lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, thulium, ytterbium, magnesium and boron.
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公开(公告)号：EP1734140A4
公开(公告)日：2009-06-24
申请号：EP04820258
申请日：2004-12-09
发明人： OBATA TOMOKAZU , YANAGIHARA HIROSHI
IPC分类号： C22C5/06 , G11B7/24 , G11B7/246 , G11B7/2467 , G11B7/253 , G11B7/2534 , G11B7/258 , G11B7/259 , G11B7/2595 , G11B7/26
CPC分类号： C22C5/06 , C23C14/185 , C23C14/3414 , G11B7/2467 , G11B7/2534 , G11B7/258 , G11B7/259 , G11B7/2595 , G11B7/266
摘要： The present invention is a silver alloy including silver as the main component and at least one precious metal element as a first dopant element, and excellent in reflectance maintenance property. In the present invention, the first dopant element is preferably platinum, gold, palladium, rhodium, ruthenium and iridium. Also, in the present invention, the silver alloy preferably includes, as a second dopant element, at least one element selected from copper, manganese, silicon, chromium, nickel, cobalt, iron, scandium, zirconium, niobium, molybdenum, tantalum, tungsten, indium, tin, lead, aluminum, calcium, germanium, gallium, bismuth, antimony, strontium, hafnium, gadolinium, samarium, neodymium, lanthanum, cerium, ytterbium and europium.
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公开(公告)号：EP1736559A4
公开(公告)日：2009-04-08
申请号：EP04820256
申请日：2004-12-09
发明人： OBATA TOMOKAZU , YANAGIHARA HIROSHI
CPC分类号： C22C5/06 , C23C14/3414 , G11B7/2467 , G11B7/2472 , G11B7/258 , G11B7/259 , G11B7/266
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5.发明公开SILVER ALLOY EXCELLENT IN REFLECTANCE/TRANSMITTANCE MAINTAINING CHARACTERISTICS 审中-公开具有反射和透射过硬的维修银合金
公开(公告)号：EP1889933A4
公开(公告)日：2011-09-07
申请号：EP06766582
申请日：2006-06-12
发明人： OBATA TOMOKAZU , YANAGIHARA HIROSHI
IPC分类号： C22C5/06
CPC分类号： C22C5/06 , B22F2998/00 , C22C5/08 , C22F1/14 , C23C14/3414 , C23C30/00 , G11B7/259 , B22F3/10
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6.发明公开SILVER ALLOY HAVING EXCELLENT REFLECTIVITY/TRANSMISSIVITY MAINTAINING CHARACTERISTICS 审中-公开具有极佳的自清洁和透明度的银合金
公开(公告)号：EP1889930A4
公开(公告)日：2011-09-07
申请号：EP06766579
申请日：2006-06-12
发明人： OBATA TOMOKAZU , YANAGIHARA HIROSHI
IPC分类号： C22C5/06
CPC分类号： C22C5/06 , B22F2998/00 , C22C5/08 , C22F1/14 , C23C14/185 , G11B7/259 , B22F3/10
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7.发明公开THIN FILM FOR USE AS REFLECTIVE FILM OR SEMI-TRANSMISSIVE REFLECTIVE FILM, SPUTTERING TARGET AND OPTICAL RECORDING MEDIUM 有权一层薄膜，以使用反光膜或半透明状反光膜，及目标溅射光学记录介质
公开(公告)号：EP2048524A4
公开(公告)日：2010-05-05
申请号：EP06832810
申请日：2006-11-17
发明人： OBATA TOMOKAZU , YANAGIHARA HIROSHI
CPC分类号： C23C14/0688 , C23C14/205 , C23C14/3414 , G02B1/105 , G02B1/14 , G02B5/0833 , G11B7/24038 , G11B7/259 , G11B7/266 , Y10T428/12056 , Y10T428/1209 , Y10T428/12097 , Y10T428/21 , Y10T428/31678
摘要： A thin film for a reflection film or a semi-transparent reflection film, which has a compound phase comprising at least one selected from the group consisting of a nitride, an oxide, a complex oxide, a nitroxide, a carbide, a sulfide, a chloride, a silicide, a fluoride, a boride, a hydride, a phosphide, a selenide and a telluride of gallium, palladium or copper, dispersed in a matrix formed of silver or a silver alloy. The compound phase in the thin film may include at least one compound selected from the group consisting of nitride, oxide, complex oxide, nitroxide, carbide, sulfide, chloride, silicide, fluoride, boride, hydride, phosphide, selenide and telluride of silver. The thin film of the present invention minimizes the deterioration of the reflectance even after a long period of use, and can prolong the life of various devices which use the thin film as a reflection film, such as an optical recording medium and a display. The thin film can be also applied to a semi-reflective/semi-transparent film used in the optical recording medium.
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8.发明公开THIN FILM FOR REFLECTIVE FILM OR SEMI-REFLECTIVE FILM, SPUTTERING TARGET AND OPTICAL RECORDING MEDIUM 有权一层薄膜，以反射膜半反射膜，以及目标SPUTTER - 光记录介质
公开(公告)号：EP2045631A4
公开(公告)日：2010-02-17
申请号：EP06832812
申请日：2006-11-17
发明人： OBATA TOMOKAZU , YANAGIHARA HIROSHI
CPC分类号： C23C14/3414 , C23C14/0688 , G02B1/105 , G02B1/14 , G02B5/0808 , G11B7/259 , Y10T428/21
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