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公开(公告)号：US06132843A
公开(公告)日：2000-10-17
申请号：US969474
申请日：1997-11-13
CPC分类号： G11B5/8404 , B23K26/0084 , C03C23/0025 , C03C3/087 , G11B5/7315 , Y10T428/21 , Y10T428/24355 , Y10T428/268 , Y10T428/315
摘要： A glass substrate for a magnetic disk of the present invention is one in which a laser beam is irradiated on a main surface thereby forming a large number of protrusions thereon to form texture thereon, each of said protrusions being formed by a protruded portion having a convex shape, said glass having a composition in which 0.2 to 3 wt % of an oxide of a transition metal is contained and an absorption coefficient with respect to a wavelength of a light at 266 nm being within a range of 0.03 to 2 .mu.m.sup.-1, and by setting the absorption coefficient of the glass with respect to a wavelength of a light at 266 nm within a range of 0.03 to 2 .mu.m.sup.-1 and irradiating a laser beam having a wavelength in a range of ultraviolet rays selectively on the main surface of a glass substrate at predetermined intervals, texture comprising a large number of protrusions formed by protruded portions each having a small diameter and a convex shape is formed.
摘要翻译： 本发明的磁盘用玻璃基板是将激光束照射在主表面上，由此在其上形成多个突起而形成纹理的突起，其中每个突起由具有凸起的突出部分形成 所述玻璃具有含有0.2〜3重量％的过渡金属的氧化物的组成，相对于266nm的光的波长的吸收系数在0.03〜2μm-1的范围内 并且通过将相对于266nm处的波长的玻璃的吸收系数设定在0.03〜2μm-1的范围内，并且将紫外线范围内的波长的激光束选择性地照射在主体上 形成具有规定间隔的玻璃基板的表面，由具有小直径和凸形的突出部形成的包含大量突起的织构构成。
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公开(公告)号：US5638479A
公开(公告)日：1997-06-10
申请号：US810347
申请日：1991-12-17
申请人： Manabu Takami , Noboru Akazawa , Atsunori Matsuda , Yoshihiro Matsuno , Shinya Katayama , Toshio Tsuno
发明人： Manabu Takami , Noboru Akazawa , Atsunori Matsuda , Yoshihiro Matsuno , Shinya Katayama , Toshio Tsuno
摘要： The optical parts according to the invention have a feature of having smoothly coated surfaces for incident and emergent lights covered thereover with a light transmitting solid coating layer, and can be manufactured by a simplified process at least without needing polishing, together with the advantages of being weatherproof in atmosphere of high temperature and high humidity and antiozonant.
摘要翻译： 根据本发明的光学部件的特征在于，具有光透射固体涂层覆盖的入射光和出光面的光滑涂层表面，并且可以通过简化的工艺制造，至少不需要抛光，以及优点在于 耐高温，高湿度和抗臭氧气氛。
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公开(公告)号：US5234717A
公开(公告)日：1993-08-10
申请号：US963035
申请日：1992-10-19
CPC分类号： G11B7/253 , B29C59/026 , B29D17/005
摘要： Disclosed herein is a process for producing a minute-patterned substrate required for optical disk substrates for information recording or the like, which process comprises forming a coating film of a solution containing a metal-organic compound and a thickener on a substrate, pressing a mold against the coating film on the substrate under a reduced pressure and heating the coating film to set up the coating film, then removing the mold, and heating the set coating film on the substrate. By the process it is possible to provide the substrate surface with a minute rough pattern, without generation of surface defects arising from the pressing of the mold against the coating film, and to set up the coating film in a short time and with good dimensional accuracy. It is therefore possible to produce a rough surface pattern with high productivity.
摘要翻译： 本文公开了一种用于制造用于信息记录等的光盘基板所需的微小图案基板的方法，该方法包括在基板上形成含有金属有机化合物和增稠剂的溶液的涂膜，压制模具 在减压下对基材上的涂膜进行反应，加热涂膜以设置涂膜，然后除去模具，并加热基材上的固化涂膜。 通过该过程，可以提供具有微小粗糙图案的基板表面，而不会由于模具对涂膜的压制而产生表面缺陷，并且可以在短时间内以良好的尺寸精度来设置涂膜 。 因此，可以以高生产率制造粗糙的表面图案。
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公开(公告)号：US4810547A
公开(公告)日：1989-03-07
申请号：US30892
申请日：1987-03-26
CPC分类号： G11B7/253 , B29C43/021 , B29D17/00 , C03C1/008 , C03C17/002 , C03C17/007 , C03C17/25 , G02B5/1852 , G11B7/241 , G11B7/26 , C03C2217/213 , C03C2217/228 , C03C2217/23 , C03C2217/77 , C03C2218/111 , C03C2218/32 , G11B7/2531 , Y10T428/24537
摘要： A substrate provided thereon, with a film having a large number of fine grooves of a desired pattern is herein disclosed, which comprises a body of substrate and a film of at least one polymerized-condensed or crosslinked organometal compound formed on the substrate and having a large number of fine grooves on the surface and which can be produced by applying a solution containing at least one organometal compound and optionally a thickening agent to the surface of a body of substrate to form a film thereon; then impressing the film with a mold having a large number of fine ridges thereon to form grooves corresponding to the ridges, on the film; or applying the solution to the mold to form such a film and transferring the film to the body of substrate; and then calcining the resulting film having fine grooves to solidify the same. According to the method, an excellent substrate having good durability and optical properties can be produced simply and in a good yield.
摘要翻译： 本文公开了一种其上设置有具有大量所需图案的细槽的膜的基板，其包括基板主体和形成在基板上的至少一个聚合冷凝或交联的有机金属化合物的膜，并具有 在表面上形成大量细槽，并且可以通过将至少一种有机金属化合物和任选的增稠剂的溶液施加到基体表面以在其上形成膜而制备; 然后利用具有大量细脊的模具对薄膜进行压印以在薄膜上形成与脊相对应的凹槽; 或将溶液施加到模具以形成这种膜并将膜转移到基底的主体上; 然后煅烧所得到的具有细槽的膜以使其固化。 根据该方法，可以简单且高产率地制备出具有良好的耐久性和光学特性的优异的基材。
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公开(公告)号：US06607848B1
公开(公告)日：2003-08-19
申请号：US09807983
申请日：2001-05-01
申请人： Masahiro Oka , Shinya Katayama
发明人： Masahiro Oka , Shinya Katayama
IPC分类号： G11B566
CPC分类号： G11B5/732 , G11B5/656 , Y10S428/90 , Y10T428/12465 , Y10T428/12854 , Y10T428/24975 , Y10T428/265
摘要： A high density recording medium excellent in a coercive force and excellent also in read write characteristics such as N/S ratio and thermal stability of the magnetic recording layer, and a magnetic recording apparatus employing it, are presented. A magnetic recording medium comprising a substrate and, formed sequentially thereon, at least a non-magnetic interlayer made of a Co alloy and a Co alloy magnetic recording layer, wherein the crystal structures of the interlayer and the magnetic recording layer are both hcp structures, and the relation between the crystal lattice constant (Li) of the interlayer and the crystal lattice constant (Lm) of the magnetic recording layer, satisfies the following formula: |Lm−Li|/Lm
摘要翻译： 提供了矫顽力优异的高密度记录介质，以及磁记录层的N / S比和热稳定性等读写特性以及采用它的磁记录装置。 一种磁记录介质，包括基板，并且依次形成至少一个由Co合金和Co合金磁记录层制成的非磁性中间层，其中中间层和磁记录层的晶体结构都是hcp结构， 并且中间层的晶格常数（Li）与磁记录层的晶格常数（Lm）之间的关系满足下式：和使用它的磁记录装置。
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公开(公告)号：US06365012B1
公开(公告)日：2002-04-02
申请号：US08443556
申请日：1995-05-18
申请人： Toshiyuki Sato , Shinya Katayama
发明人： Toshiyuki Sato , Shinya Katayama
IPC分类号： C23C1434
摘要： This invention relates to a magnetic recording medium having a structure in which an undercoating film, a magnetic thin film, a protective film, and an organic film are stacked on a substrate in the order named. Since the protective film contains carbon and silicon and a portion of silicon in at least an interface in contact with the organic film consists of a silicon oxide, the surface of the magnetic recording medium is not degraded even by frequent contact with a magnetic head upon driving or stopping of the magnetic recording medium. This invention also relates to a method of manufacturing the same.
摘要翻译： 本发明涉及具有下述结构的磁记录介质，其中底涂层，磁性薄膜，保护膜和有机膜按顺序堆叠在基板上。 由于保护膜含有碳和硅，并且至少与有机膜接触的界面中的硅的一部分由氧化硅组成，所以即使在驱动时与磁头的频繁接触也不会降低磁记录介质的表面 或停止磁记录介质。 本发明还涉及其制造方法。
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7.发明授权Substrate used for magnetic disk and magnetic recording medium using the substrate 失效基板用于使用基板的磁盘和磁记录介质
公开(公告)号：US5427867A
公开(公告)日：1995-06-27
申请号：US253573
申请日：1994-06-03
CPC分类号： G11B5/7325 , Y10S428/90 , Y10S428/928 , Y10T428/12465 , Y10T428/12736 , Y10T428/12743 , Y10T428/12806 , Y10T428/24355 , Y10T428/30
摘要： A substrate used for magnetic disk comprising s non-magnetic support in which a material for forming pits is formed on the surface, wherein the material for forming the surface pits comprises a low melting metal and has an island structure discontinuous in the direction within the plane at the surface of the non-magnetic support, thereby enabling to produce a magnetic disk of excellent magnetic property at high productivity, as well as a magnetic recording medium using such a substrate.
摘要翻译： 一种用于磁盘的基片，包括其表面上形成用于形成凹坑的材料的非磁性载体，其中用于形成表面凹坑的材料包括低熔点金属并且具有在该平面内的方向上不连续的岛状结构 在非磁性支撑体的表面，从而能够以高生产率制造磁性优异的磁盘以及使用这种基板的磁记录介质。
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8.发明授权Magnetic recording medium with an intermediate protective layer of silicon dioxide and a perfluoroalkylpolyether lubricant layer 失效具有二氧化硅中间保护层和全氟烷基聚醚润滑剂层的磁记录介质
公开(公告)号：US5055359A
公开(公告)日：1991-10-08
申请号：US657614
申请日：1991-02-20
CPC分类号： G11B5/72 , G11B5/725 , Y10S428/90
摘要： In a magnetic recording medium having a layer of a perfluoroalkylpolyether-based liquid lubricant as an uppermost layer, the liquid lubricant has an atomic group including an aromatic ring at a terminal end of a perfluoropolyether main chain, and is coated on an inorganic oxide. Therefore, adhesion force of the lubricant is greatly improved, and interaction within the lubricant can be decreased, thus realizing a magnetic recording medium having excellent lubricity and wear resistance.
摘要翻译： 在具有作为最上层的全氟烷基聚醚类液体润滑剂层的磁记录介质中，液体润滑剂在全氟聚醚主链的末端具有包括芳环的原子团，并且涂覆在无机氧化物上。 因此，润滑剂的粘附力大大提高，并且可以降低润滑剂内的相互作用，从而实现具有优异的润滑性和耐磨性的磁记录介质。
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