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    • 4. 发明授权
    • Optical recording medium
    • 光记录介质
    • US4766054A
    • 1988-08-23
    • US868630
    • 1986-05-29
    • Sumio HiroseHiroshi OzawaKenji AbeYoichi Hosono
    • Sumio HiroseHiroshi OzawaKenji AbeYoichi Hosono
    • B41M5/26G11B7/244G11B7/248G11B7/24G03C1/72G03C5/16
    • G11B7/248Y10S430/146
    • Disclosed herein is an optical recording medium permitting recording and reading-out of signals without any reflective layer. The optical recording medium comprises a transparent substrate and an optical recording layer provided directly on the substrate. The recording layer contains at least 80 wt. % of a phthalo/naphthalocyanine dye represented by the following general formula (I): ##STR1## wherein L.sub.1, L.sub.2, L.sub.3 and L.sub.4 mean individually ##STR2## Q.sub.1, Q.sub.2, Q.sub.3, Q.sub.4, Q.sub.5, Q.sub.6, Q.sub.7, Q.sub.8, Q.sub.9 and Q.sub.10 denote individually a hydrogen atom or ##STR3## group; R.sub.1, R.sub.2 and R.sub.3 is individually a straight-chain or branched alkyl group having 1-12 carbon atoms, alkenyl group, phenyl group or substituted phenyl group, and two or more ##STR4## groups are contained on average in the molecule represented by the general formula (1); and M stands for a metal or a metal oxide or metal halide.
    • 这里公开了允许记录和读出没有任何反射层的信号的光学记录介质。 光记录介质包括透明基板和直接设置在基板上的光记录层。 记录层含有至少80wt。 由以下通式(I)表示的酞菁/萘酞菁染料的%:其中L1,L2,L3和L4分别表示Q1,Q2,Q3,Q4,Q5,Q6,Q7, Q8,Q9和Q10分别表示氢原子或基团; R1,R2和R3分别是具有1-12个碳原子的直链或支链烷基,烯基,苯基或取代的苯基,并且由分子中的平均含有两个或更多个 通式(1); M代表金属或金属氧化物或金属卤化物。
    • 6. 发明授权
    • Fabrication process of optical recording medium
    • 光记录介质的制作工艺
    • US4798781A
    • 1989-01-17
    • US891178
    • 1986-07-31
    • Sumio HiroseHiroshi OzawaKenji AbeYoichi Hosono
    • Sumio HiroseHiroshi OzawaKenji AbeYoichi Hosono
    • B41M5/26G11B7/244G11B7/248G11B7/26G11B7/24G01D9/00G03C1/72G03C5/16
    • G11B7/248Y10S430/146
    • Disclosed herein is a fabrication process of an optical recording medium permitting writing and reading-out of signals without any reflective layer. The medium is fabricated by coating, on a transparent thermoplastic resin substrate havnig pregrooves and pits or holes for preformatting signals, a dye solution of a phthalo/naphthalocyanine dye represented by the following general formula (I): ##STR1## wherein M means a metal, metal oxide or metal halide, and L.sub.1, L.sub.2, L.sub.3 and L.sub.4 mean individually a benzene or naphthalene ring skeleton which is unsubstituted or substituted by at least one monovalent substituent --Z selected from the class consisting of the following substituents: --R.sup.1, --OR.sup.2, --SiR.sup.3 R.sup.4 R.sup.5, --SR.sup.6, --COR.sup.7, --COOR.sup.8, --COHNR.sup.9, --NR.sup.10 R.sup.11, --R.sup.12 OR.sup.13, and --R.sup.14 X wherein R.sup.1 -R.sup.14 denote individually a hydrocarbon group having from 1 to 12 carbon atoms and X stands for a halogen atom.
    • 这里公开了允许在没有任何反射层的情况下写入和读出信号的光学记录介质的制造过程。 该介质通过在透明的热塑性树脂基底上预先形成凹槽和用于预格式化信号的凹坑或孔进行涂覆来制造,由以下通式(I)表示的酞菁/萘酞菁染料的染料溶液:其中M 是指金属,金属氧化物或金属卤化物,L1,L2,L3和L4分别表示苯或萘环骨架,其未被取代或被至少一个选自以下取代基的一价取代基取代: - R1,-OR2,-SiR3R4R5,-SR6,-COR7,-COOR8,-COHNR9,-NR10R11,-R12OR13和-R14X,其中R1-R14分别表示具有1至12个碳原子的烃基,X表示 卤素原子。
    • 7. 发明授权
    • Optical recording method and media therefor
    • 光记录方法及其介质
    • US4707425A
    • 1987-11-17
    • US879827
    • 1986-06-26
    • Katsuyoshi SasagawaKunio NishiharaHiroshi OzawaMasao Imai
    • Katsuyoshi SasagawaKunio NishiharaHiroshi OzawaMasao Imai
    • G03C5/16G11B7/246
    • G03C5/16G03C5/164G11B7/246G11B7/2492G11B7/252G11B7/2585Y10S430/146Y10S430/167Y10S430/168
    • An optical recording method which comprises providing a recording layer containing a recording susbstance that has an absorption maximum in the visible and near infrared wavelength region of 600 to 1,200 nm and loses or diminishes its power to absorb visible or near infrared radiation in the aforesaid wavelength region upon exposure to ultraviolet radiation, X-rays, an electron beam or an ion beam, and irradiating desired locations of the recording layer with ultraviolet radiation, X-rays, an electron beam or ion beam to form a pattern based on the presence or absence, or variation in strength, of the power to absorb visible or near infrared radiation in the aforesaid wavelength region so as to record information in the recording layer; a method for reading optically recorded information which comprises illuminating a pattern formed as described above with laser light having a wavelength in the aforesaid visible and near infrared region and detecting the presence or absence, or variation in intensity, of absorption of the laser light to read the recorded information; and optical recording media for use in the above-described optical recording method.
    • 一种光记录方法,包括提供包含在600至1,200nm的可见光和近红外波长区域中具有最大吸收的记录载体的记录层,并且损失或减少其功率以吸收前述波长区域中的可见光或近红外辐射 在暴露于紫外线,X射线,电子束或离子束的同时,用紫外线,X射线,电子束或离子束照射记录层的所需位置,以形成基于有无的 或强度的变化,以吸收上述波长区域中的可见光或近红外辐射,以便将信息记录在记录层中; 用于读取光学记录信息的方法,其包括用上述可见光和近红外区域中的波长的激光照射如上所述形成的图案,并且检测激光的吸收的存在或不存在或变化,以便读取 记录的信息; 以及用于上述光学记录方法的光学记录介质。
    • 9. 发明授权
    • Suspension for disk drive
    • 磁盘驱动器暂停
    • US6043956A
    • 2000-03-28
    • US153530
    • 1998-09-15
    • Masao HanyaTetsuya FujiwaraHiroshi OzawaAkihiro TakeiOsamu Iriuchijima
    • Masao HanyaTetsuya FujiwaraHiroshi OzawaAkihiro TakeiOsamu Iriuchijima
    • G11B21/21G11B5/60
    • G11B5/6005
    • A suspension for disk drive, comprising a load beam having a proximal end portion fitted with a base plate, a distal end portion fitted with a flexure, and bent edges formed individually on the opposite sides thereof, the load beam being gradually tapered from the proximal end portion toward the distal end portion, a support projection interposed between the load beam and the flexure, and a flexible portion of the load beam defined in a region between the support projection and the base plate. Openings are formed in an inner portion of a second region between the center of gravity of the flexible portion and the base plate, inside the bent edges, so that K.sub.Lb /K.sub.SP is 2 or more, where K.sub.Lb is a spring constant for a first region between the center of gravity of the flexible portion and the support projection and K.sub.SP is a spring constant for the second region, the area of the openings accounting for 25% or more of the area of the inner portion.
    • 一种用于磁盘驱动器的悬架,包括具有装配有基板的近端部分的装载梁,装配有挠曲件的远端部分和在其相对侧上分别形成的弯曲边缘,所述载荷梁从近侧逐渐变细 位于所述远端部分的端部,插入在所述负载梁和所述挠曲件之间的支撑突起以及限定在所述支撑突起和所述基板之间的区域中的所述负载梁的柔性部分。 在柔性部分的重心和基板之间的第二区域的内部形成开口,使得KLb / KSP为2以上,其中KLb为第一区域的弹簧常数 柔性部分的重心和支撑突起之间的KSP是第二区域的弹簧常数,开口面积占内部区域的面积的25%以上。