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公开(公告)号：US07491486B2
公开(公告)日：2009-02-17
申请号：US11297817
申请日：2004-07-15
IPC分类号： G11B7/24
CPC分类号： G11B7/247 , G11B7/245 , G11B7/246 , G11B7/2467 , G11B7/2472 , G11B7/2475 , G11B7/2478 , G11B7/248 , G11B7/249 , G11B7/2531 , G11B7/2533 , G11B7/2534 , G11B7/2535 , G11B7/256 , G11B7/259 , G11B2007/25706 , G11B2007/2571 , G11B2007/25715 , G11B2007/25716
摘要： The present invention provides an optical information recording medium comprising a substrate having provided thereon a recording layer in which information can be recorded by laser light irradiation, wherein the recording layer contains a dye represented by the following formula (I): wherein Dye represents a dye residue having a molar extinction coefficient of 10000 (cm−1·mol−1) or more for light having a wavelength of 450 nm to 900 nm; L represents a divalent connecting group or a single bond; UV represents a dye residue having a molar extinction coefficient of 10000 (cm−1·mol−1) or more for light having a wavelength of 280 nm to 450 nm; and m denotes an integer from 1 to 8.
摘要翻译： 本发明提供了一种光学信息记录介质，其包括在其上设置有可以通过激光照射记录信息的记录层的基板，其中记录层含有由下式（I）表示的染料：其中染料表示染料 具有450nm至900nm波长的光的摩尔消光系数为10000（cm-1.mol-1）以上的残基; L表示二价连接基团或单键; UV表示对于波长为280nm〜450nm的光，具有摩尔消光系数为10000（cm-1.mol-1）以上的染料残基） m表示1〜8的整数。
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公开(公告)号：US20060068326A1
公开(公告)日：2006-03-30
申请号：US11297817
申请日：2004-07-15
IPC分类号： G11B7/24
CPC分类号： G11B7/247 , G11B7/245 , G11B7/246 , G11B7/2467 , G11B7/2472 , G11B7/2475 , G11B7/2478 , G11B7/248 , G11B7/249 , G11B7/2531 , G11B7/2533 , G11B7/2534 , G11B7/2535 , G11B7/256 , G11B7/259 , G11B2007/25706 , G11B2007/2571 , G11B2007/25715 , G11B2007/25716
摘要： The present invention provides an optical information recording medium comprising a substrate having provided thereon a recording layer in which information can be recorded by laser light irradiation, wherein the recording layer contains a dye represented by the following formula (I): Formula (I) wherein Dye represents a dye residue having an absorption as high as 10000 (cm−1·mol−1) or more as a molar extinction coefficient for light having a wavelength of 450 nm to 900 nm; L represents a divalent connecting group or a single bond; UV represents a dye residue having an absorption as high as 10000 (cm−1·mol−1) or more as a molar extinction coefficient for light having a wavelength of 280 nm to 450 nm; and m denotes an integer from 1 to 8.
摘要翻译： 本发明提供了一种光学信息记录介质，其包括在其上设置有可以通过激光照射记录信息的记录层的基板，其中记录层包含由下式表示的染料（
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公开(公告)号：US20090029092A1
公开(公告)日：2009-01-29
申请号：US11909579
申请日：2006-03-23
CPC分类号： G11B7/249 , G11B7/245 , G11B7/246 , G11B7/2467 , G11B7/2478 , G11B7/2492 , G11B7/2495 , G11B7/2498 , G11B7/2531 , G11B7/2532 , G11B7/2533 , G11B7/2534 , G11B7/2535 , G11B7/256 , G11B7/259 , G11B2007/24612
摘要： The invention provides an optical information recording medium having a recording layer capable of recording information by irradiating the recording layer with a laser beam of 440 nm or less.In the optical information recording medium, the recording layer contains an oxonol dye represented by formula (1), and a counter cation (Yt+) of this dye is a cationic dye having an absorption maximum in a range of longer wavelengths than an absorption maximum of an anionic part of the oxonol dye. In the formula, A, B, C and D each represents an electron-withdrawing group. A and B or C and D may be combined with each other to form a ring. If these are not combined with each other, these are electron-withdrawing groups in which the sum of Hammett's σp values of A and B and the sum of Hammett's σp values of C and D are each greater than 0.6. R represents a substituent group on methine carbon, and m represents an integer of 0 to 1. n represents an integer of 0 to 2m+1. If n is 2 or greater, a plurality of R's may be different from each other, and R and R may be combined together to form a ring. Yt+ represents a t-valent cation, and t represents an integer of 1 to 4.
摘要翻译： 本发明提供了一种光信息记录介质，其具有能够通过用440nm或更小的激光照射记录层来记录信息的记录层。 在光学信息记录介质中，记录层含有由式（1）表示的氧杂菁染料，该染料的抗衡阳离子（Yt +）是具有比最大吸收波长更长的波长的吸收最大值的阳离子染料 氧杂菁染料的阴离子部分。 在该式中，A，B，C和D各自表示吸电子基团。 A和B或C和D可以彼此组合以形成环。 如果这些不相互结合，则这些是吸电子基团，其中A和B的Hammett sigmap值之和以及C和D的Hammett sigmap值之和大于0.6。 R表示次甲基碳上的取代基，m表示0〜1的整数.n表示0〜2m + 1的整数。 如果n为2以上，则多个R可以相互不同，R和R可以组合在一起形成环。 Yt +表示t价阳离子，t表示1〜4的整数。
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公开(公告)号：US20090130366A1
公开(公告)日：2009-05-21
申请号：US11887230
申请日：2006-06-29
IPC分类号： B32B3/02
CPC分类号： C09B69/02 , G11B7/246 , G11B7/2467 , G11B7/247 , G11B7/2472 , G11B7/2475 , G11B7/2478 , G11B7/248 , G11B7/249 , G11B7/2531 , G11B7/2533 , G11B7/2534 , G11B7/2535 , G11B7/256 , G11B7/2578 , G11B7/259 , G11B2007/24612 , G11B2007/25706 , G11B2007/2571 , G11B2007/25713 , G11B2007/25715 , G11B2007/25716 , G11B2007/25718
摘要： There is provided an optical information-recording medium, comprising a recording layer capable of recording of information by irradiation of a laser beam having a wavelength of 440 nm or less on or above a substrate, the recording layer comprising a dye having two or more independent dye moieties in the molecule that are bound to each other in a manner other than by forming a conjugated bond to the dye moieties, and a method of recording information, comprising recording information by irradiating a laser beam having a wavelength of 440 nm or less on or above the optical information-recording medium according to the present invention described above.
摘要翻译： 提供了一种光学信息记录介质，其包括能够通过在基板上或上方照射波长为440nm或更小的激光束来记录信息的记录层，所述记录层包括具有两个或更多个独立的染料的染料 以除了通过与染料部分形成共轭键的方式彼此结合的分子中的染料部分以及记录信息的方法，包括通过将波长为440nm或更小的激光束照射到 或上述根据本发明的光学信息记录介质。
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公开(公告)号：US20090052299A1
公开(公告)日：2009-02-26
申请号：US12281951
申请日：2007-03-05
IPC分类号： G11B5/127
CPC分类号： G11B7/2478 , G11B7/245 , G11B7/2498 , G11B7/2531 , G11B7/2532 , G11B7/2533 , G11B7/2534 , G11B7/2536 , G11B7/256 , G11B7/2578 , G11B7/259 , G11B2007/25706 , G11B2007/2571 , G11B2007/25713 , G11B2007/25715 , G11B2007/25716 , G11B2007/25718
摘要： There is provided an optical information recording medium including, on a substrate, a recording layer in which information can be recorded by irradiating a laser beam having a wavelength of 440 nm or less, wherein the recording layer includes an oxonol dye that has a maximum absorption wavelength longer than the wavelength of the laser beam. There is also provided an information recording method including irradiating a laser beam having a wavelength of 440 nm or less to the optical information recording medium to record information.
摘要翻译： 提供了一种光学信息记录介质，在基板上包括通过照射波长为440nm或更小的激光束可以记录信息的记录层，其中记录层包括具有最大吸收的氧杂菁染料 波长比激光束的波长长。 还提供了一种信息记录方法，包括将具有440nm或更小波长的激光束照射到光学信息记录介质上以记录信息。
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公开(公告)号：US20080206672A1
公开(公告)日：2008-08-28
申请号：US11661378
申请日：2006-03-15
IPC分类号： G11B7/24
CPC分类号： G11B7/247 , G11B7/24 , G11B7/2478 , G11B7/256 , G11B7/259
摘要： A blue laser-ready information recording medium improved in light stability and durability without impairment of record/playback characteristics is provided.The information recording medium is an optical information recording medium having on a substrate a recording layer that permits recording of information by irradiation with laser light of 440 nm or below, and is a heat-mode information recording medium that has a recording layer containing a methine dye and an organic oxidant on a transparent disk-form substrate on which a pregroove having a track pitch of 0.2 to 0.5 μm is formed, and that on the pregroove-formed side of the substrate.
摘要翻译： 提供了一种蓝光激光就绪信息记录介质，其光稳定性和耐久性提高，而不损害记录/播放特性。 信息记录介质是一种光学信息记录介质，在基板上具有允许通过用440nm以下的激光照射来记录信息的记录层，并且是具有包含次甲基化的记录层的热模式信息记录介质 染料和有机氧化剂在其上形成具有0.2至0.5μm的轨道间距的预制槽的透明盘形基底上，以及在衬底的预槽形成侧上。
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7.发明申请公开(公告)号：US20070286059A1
公开(公告)日：2007-12-13
申请号：US11661858
申请日：2005-12-27
IPC分类号： G11B7/24
CPC分类号： G11B7/247 , C09B23/02 , G11B7/245 , G11B7/246 , G11B7/2478 , G11B7/2531 , G11B7/2533 , G11B7/2534 , G11B7/2535 , G11B7/2542 , G11B7/256 , G11B7/259 , G11B2007/25706 , G11B2007/25708 , G11B2007/25715
摘要： An optical information recording medium, comprising on a substrate a recording layer containing a dye compound having a specific structure. An optical information recording method, comprising recording information on the optical information recording medium by irradiation with laser light of a wavelength of 550 or shorter or 440 nm or shorter.
摘要翻译： 一种光学信息记录介质，在基板上包含含有特定结构的染料化合物的记录层。 一种光信息记录方法，包括通过用波长为550或更短或者440nm或更短的激光照射光信息记录介质上的信息。
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公开(公告)号：US20080081286A1
公开(公告)日：2008-04-03
申请号：US11808022
申请日：2007-06-06
CPC分类号： G11B7/2495 , G11B7/24079 , G11B7/2467
摘要： An optical information recording medium having a recording layer on which information can be recorded by irradiation with a laser light having a wavelength of 440 nm or less, wherein the recording layer contains at least one azo-metal complex dye derived from a metal ion or a metal oxide ion and an azo dye represented by the following general formula (1-1) or (1-2): wherein Q represents a carbocyclic group or a heterocyclic group, and R6 to R8 independently represent a hydrogen atom or a substituent.
摘要翻译： 一种具有记录层的光学信息记录介质，其上可以通过用波长为440nm或更小的激光照射来记录信息，其中记录层含有至少一种衍生自金属离子的偶氮 - 金属络合物染料或 金属氧化物离子和由以下通式（1-1）或（1-2）表示的偶氮染料：其中Q表示碳环基或杂环基，R 6与R 0 > 8 独立地表示氢原子或取代基。
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9.发明申请Magnetic recording medium including a magnetic layer containing a nonmagnetic oxide 审中-公开磁记录介质包括含有非磁性氧化物的磁性层公开(公告)号：US20050008901A1
公开(公告)日：2005-01-13
申请号：US10915344
申请日：2004-08-11
CPC分类号： G11B5/7325 , G11B5/656 , G11B5/7315 , G11B5/7379 , G11B5/851 , Y10T428/24248 , Y10T428/24281 , Y10T428/256 , Y10T428/259
摘要： A magnetic recording medium, which contains a chromium-containing primer layer and a magnetic layer at least on one surface of a nonmagnetic support member, the chromium-containing primer layer contains chromium and at least one type of element selected from a group of cobalt, beryllium, osmium, rhenium, titanium, zinc, tantalum, aluminum, molybdenum, tungsten, vanadium, iron, antimony, iridium, ruthenium, rhodium, platinum, palladium, silicon, and zirconium, and the magnetic layer contains a ferromagnetic metal alloy containing at least cobalt, platinum and chromium, and a nonmagnetic material.
摘要翻译： 一种磁记录介质，其含有至少在非磁性支撑构件的一个表面上的含铬底漆层和磁性层，所述含铬底漆层含有铬和至少一种选自钴， 铍，锇，铼，钛，锌，钽，铝，钼，钨，钒，铁，锑，铱，钌，铑，铂，钯，硅和锆，并且磁性层含有强磁性金属合金， 最少的钴，铂和铬，以及非磁性材料。
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公开(公告)号：US6149989A
公开(公告)日：2000-11-21
申请号：US84866
申请日：1998-05-28
申请人： Hiroaki Araki , Tsuneo Yoshida , Toshichika Aoki , Masashi Aonuma , Kazuo Kato , Kazutoshi Katayama , Hiroshi Hashimoto
发明人： Hiroaki Araki , Tsuneo Yoshida , Toshichika Aoki , Masashi Aonuma , Kazuo Kato , Kazutoshi Katayama , Hiroshi Hashimoto
CPC分类号： G11B5/7085 , G11B5/70621 , Y10S428/90
摘要： The present invention discloses a magnetic recording particulate mediumhaving amagnetic layer on anonmagnetic support, the magnetic layer containing a ferromagnetic metal powder and a binder and having a coercive force of 1,400 to 1,700 Oe, wherein the ferromagnetic metal powder is spindle-shaped particles consisting essentially of Fe and having a Co/Fe ratio of from 1 to 5 atomic %, an Al/Fe ratio of from 5 to 15 atomic %, an average major axis length of 0.1 to 0.2 .mu.m and a specific surface area of 40 to 50 m.sup.2 /g, and the binder contains a polyurethane consisting essentially of a diol component comprising a polyether polyol and a polyester polyol and a polyisocyanate component. This magnetic recording particulate medium is characterized by minimal head wear, freedom from head clogging, and satisfactory electromagnetic characteristics.
摘要翻译： 本发明公开了一种磁性载体上的磁记录微粒介质，其磁性层含有强磁性金属粉末和粘合剂，矫顽力为1,400至1700He，其中铁磁性金属粉末为纺锤形颗粒，主要由 Fe，Co / Fe比为1〜5原子％，Al / Fe比为5〜15原子％，平均长轴长度为0.1〜0.2μm，比表面积为40〜50μm / g，并且粘合剂含有主要由包含聚醚多元醇和聚酯多元醇和多异氰酸酯组分的二醇组分组成的聚氨酯。 这种磁记录颗粒介质的特征在于最小的头部磨损，不受头部堵塞和令人满意的电磁特性。
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