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    • 2. 发明授权
    • Information recording medium
    • 信息记录介质
    • US4686543A
    • 1987-08-11
    • US807091
    • 1985-12-10
    • Yoshio TaniMasao YabeKyoichi Naruo
    • Yoshio TaniMasao YabeKyoichi Naruo
    • G11B7/24G01D15/34
    • G11B7/24015Y10S430/146
    • An optical information recording medium is described, comprising two disc substrates, which are adhered directly or through a convex portion formed on at least one of the substrates or a spacer provided between the substrates by an adhesive layer, and a recording layer which is capable of recording and/or reading information by laser beam and which is provided on a surface of at least one of the substrates facing the other substrate, wherein the adhesive layer satisfies formulae (1), (2) and (3)d/G.gtoreq.0.05 (1)5.times.10.sup.2 .gtoreq.G.gtoreq.5 (2)200.gtoreq.d.gtoreq.20 (3)wherein G is the coefficient of shearing elasticity (kg/cm.sup.2) of the adhesive layer at 23.degree. C., and d is the thickness (.mu.m) of the adhesive layer.
    • 描述了一种光学信息记录介质,其包括两个光盘基板,其直接粘附或通过形成在至少一个基板上的凸部或通过粘合剂层设置在基板之间的间隔件,以及记录层,其能够 通过激光束记录和/或读取信息,并且其设置在面向另一个基底的至少一个基底的表面上,其中粘合剂层满足式(1),(2)和(3)d / G> / = 0.05(1)5×102> / = G> / = 5(2)200> / = d> / = 20(3)其中G是粘合层在23℃下的剪切弹性系数(kg / ,d是粘合剂层的厚度(μm)。
    • 5. 发明授权
    • Magnetic recording medium and process for producing the same
    • 磁记录介质及其制造方法
    • US4482610A
    • 1984-11-13
    • US345907
    • 1982-02-04
    • Tsutomu OkitaKyoichi Naruo
    • Tsutomu OkitaKyoichi Naruo
    • C09D5/23G11B5/702G11B5/842H01F10/02
    • G11B5/7026Y10S428/90Y10T428/31797
    • A magnetic recording medium and a process for producing a magnetic recording medium are disclosed, the process comprising the steps of applying to a non-magnetic base a composition comprising (1) a compound having an unsaturated bond polymerizable by electron beams, (2) a compound having one or more carbon-carbon unsaturated bonds, (3) ferromagnetic particles and (4) an organic solvent, and polymerizing and curing the applied coating by irradiation with electron beams, said compound having one or more unsaturated bonds is such that at least 10 wt % thereof is adsorbed onto the ferromagnetic particles in a mixture of 10 parts by weight of a 1 wt % solution of the compound and 1 part by weight of the ferromagnetic particles.
    • 公开了磁记录介质和制造磁记录介质的方法,该方法包括以下步骤:向非磁性基底施加组合物,该组合物包含(1)具有可通过电子束聚合的不饱和键的化合物,(2) 具有一个或多个碳 - 碳不饱和键的化合物,(3)铁磁颗粒和(4)有机溶剂,并且通过用电子束照射聚合和固化涂覆的涂层,所述具有一个或多个不饱和键的化合物至少使得至少 10重量%以10重量份的化合物1重量%和1重量份铁磁性颗粒的混合物吸附在铁磁性颗粒上。
    • 7. 发明授权
    • Information recording medium of air-sandwich structure
    • 空气夹心结构信息记录介质
    • US4616238A
    • 1986-10-07
    • US787253
    • 1985-10-15
    • Yoshio TaniKyoichi NaruoMasao Yabe
    • Yoshio TaniKyoichi NaruoMasao Yabe
    • B41M5/26G11B7/24G01D15/32G11B7/26
    • G11B7/24015G11B7/24021
    • In an information recording medium having an air-sandwich structure comprising two disc-shaped substrates opposed to each other at a given space by interposing therebetween a ring-shaped inner spacer and a ring-shaped outer spacer and a recording layer for writing and/or reading information with laser beam which is provided on the inner surface of at least one substrate, the improvement in which at least one spacer is an adhesive-retainable spacer comprising a ring portion of protecting circumferences of the substrates and a protruding ring portion of arranging the two substrates apart, the latter ring portion protruding from a side of the protective ring portion and comprising a front portion for defining the space between the substrates and a stem portion being thinner than the front portion for retaining an adhesive, whereby an excessive adhesive or a volatile material of the adhesive is discharged through a space between the substrate and the stem portion of the protruding ring portion.
    • 在具有空心夹层结构的信息记录介质中,该夹层结构包括两个在给定空间上彼此相对的盘形基板,其间插入环形内间隔件和环形外间隔件和用于书写和/或 利用设置在至少一个基板的内表面上的激光束读取信息,其中至少一个间隔件是可粘合保持的间隔件的改进,其包括保护基板的圆周的环部分和布置 两个基板分开,后一个环部分从保护环部分的一侧突出并且包括用于限定基板之间的空间的前部分和比前部部分更薄的用于保持粘合剂的杆部分,由此过多的粘合剂或 粘合剂的挥发性材料通过基板与突出环孔的杆部之间的空间排出 。