-
公开(公告)号：US5447748A
公开(公告)日：1995-09-05
申请号：US299102
申请日：1994-09-02
CPC分类号： C23C14/562 , G11B5/84 , G11B5/8404 , G11B5/8408 , G11B5/85
摘要： There is provided an apparatus for producing a magnetic recording medium which enables a good-quality magnetic recording medium to be produced with an improved production efficiency. This apparatus comprises a back-coat layer-coating vacuum chamber, a magnetic layer-coating vacuum chamber, a lubricant layer-coating vacuum chamber and a slitting vacuum chamber provided in a housing under vacuum, wherein the back-coat layer-coating vacuum chamber includes a melting pot disposed under a substrate and containing a metal, an electron beam-emitting device, and a guiding roller for reversing the surfaces of the substrate; the magnetic layer-coating vacuum chamber includes a melting pot disposed under the substrate and containing a magnetic substance, an electron beam-emitting device, and an oxidizing gas introduction means; the lubricant layer-coating vacuum chamber includes a lubricant-providing means disposed under the substrate; and the slitting vacuum chamber includes a winding means, a slitter, and an oxidizing gas-providing means.
摘要翻译： 提供了一种用于制造磁记录介质的装置，其能够以提高的生产效率制造出优质磁记录介质。 该设备包括背涂层涂层真空室，磁性层涂覆真空室，润滑剂层涂覆真空室和在真空下设置在壳体中的分切真空室，其中后涂层涂覆真空室 包括设置在基板下方并包含金属，电子束发射装置和用于使基板的表面反转的引导辊的熔炉; 磁性层涂覆真空室包括设置在基板下方并包含磁性物质，电子束发射装置和氧化气体引入装置的熔化锅; 润滑剂层涂覆真空室包括设置在基板下方的润滑剂供给装置; 并且分切真空室包括卷绕装置，分切机和氧化气体提供装置。
-
公开(公告)号：US5798176A
公开(公告)日：1998-08-25
申请号：US304227
申请日：1994-09-12
CPC分类号： G11B5/714 , G11B5/70615 , G11B5/70678 , Y10S428/90 , Y10T428/2982
摘要： The present invention is a magnetic recording medium comprising a substrate and a magnetic layer including a binder resin and a plate-like magnetic powder of which easy axis of magnetization exists in a plane, and this magnetic recording medium is excellent in recording and regeneration characteristics.
摘要翻译： 本发明是一种磁记录介质，其包括基板和包含粘合剂树脂的磁性层和在平面中存在易磁化轴的板状磁性粉末，并且该磁记录介质的记录和再生特性优异。
-
公开(公告)号：US5744234A
公开(公告)日：1998-04-28
申请号：US547115
申请日：1995-10-23
申请人： Noriyuki Kitaori , Osamu Yoshida , Hirohide Mizunoya , Katsumi Sasaki , Yuzo Matsuo , Shigemi Wakabayashi , Akira Shiga
发明人： Noriyuki Kitaori , Osamu Yoshida , Hirohide Mizunoya , Katsumi Sasaki , Yuzo Matsuo , Shigemi Wakabayashi , Akira Shiga
CPC分类号： G11B5/653 , G11B5/64 , G11B5/656 , Y10T428/26
摘要： A metal deposition magnetic recording medium comprising a support and at least one magnetic layer formed thereon by deposition, said recording medium having a residual magnetic flux density and a coercive force which satisfy the relationships of (1) and (2): ##EQU1## Br: Residual magnetic flux density H.sub.CV : Coercive force in the vertical direction H.sub.CL : Coercive force in the longitudinal direction. The magnetic recording medium exhibits good output characteristics over a wide frequency range.
摘要翻译： 一种金属沉积磁记录介质，其包括载体和通过沉积形成在其上的至少一个磁性层，所述记录介质具有满足（1）和（2）的关系的剩余磁通密度和矫顽力：
（ （2）Br：残留磁通密度HCV：垂直方向的矫顽力HCL：纵向的矫顽力。 磁记录介质在宽的频率范围内表现出良好的输出特性。 -
公开(公告)号：US5796533A
公开(公告)日：1998-08-18
申请号：US404444
申请日：1995-03-15
IPC分类号： G11B5/86
CPC分类号： G11B5/865
摘要： A system for magnetic contact duplication by transferring an information signal recorded on a mother tape onto a blank tape, wherein the mother tape and the blank tape each includes at least one magnetic thin film having columns of magnetic grains grown obliquely, the column gradient .theta..sub.B1 of the magnetic grains in an uppermost magnetic thin film of the blank tape being smaller than the column gradient .theta..sub.M1 of the magnetic grains in an uppermost magnetic thin film of the mother tape, the mother tape and blank tape are superposed such that the column growth direction of the magnetic grains in the uppermost magnetic thin film of the mother tape and the column growth direction of the magnetic grains in the uppermost magnetic thin film of the blank tape intersect and such that these uppermost magnetic films face each other, and a bias magnetic field is applied from the substrate side of the blank tape.
摘要翻译： 一种通过将记录在母带上的信息信号传送到空白带上的磁接触复制系统，其中母带和空白带各自包括至少一个磁性薄膜，磁性薄膜具有倾斜生长的磁性晶粒柱，柱梯度θB1 在坯带的最上面的磁性薄膜中的磁性颗粒小于母带的最上面的磁性薄膜中的磁性颗粒的柱梯度θM1，母带和空白带重叠，使得柱生长 母带的最上面的磁性薄膜中的磁性颗粒的方向和坯料带的最上面的磁性薄膜中的磁性颗粒的柱生长方向相交，使得这些最上面的磁性薄膜彼此面对，并且偏置磁性 从空白带的基板侧施加磁场。
-
5.发明授权Magnetic recording medium comprising successive magnetic metallic films of iron, nickel, and cobalt deposited on a substrate 失效磁记录介质包括沉积在基底上的铁，镍和钴的连续磁性金属膜
公开(公告)号：US5736263A
公开(公告)日：1998-04-07
申请号：US598419
申请日：1996-02-08
申请人： Osamu Yoshida , Noriyuki Kitaori , Hirohide Mizunoya , Katsumi Sasaki , Yuzo Matsuo , Shigemi Wakabayashi , Akira Shiga
发明人： Osamu Yoshida , Noriyuki Kitaori , Hirohide Mizunoya , Katsumi Sasaki , Yuzo Matsuo , Shigemi Wakabayashi , Akira Shiga
IPC分类号： G11B5/66
CPC分类号： G11B5/66 , Y10S428/90 , Y10S428/928 , Y10T428/12465 , Y10T428/12778 , Y10T428/12931 , Y10T428/12937 , Y10T428/12944
摘要： A metal film type magnetic recording medium in which the saturated magnetic flux density is high and iron having a good corrosion resistance is applied. The magnetic layer comprises metal films formed, in order on a base film, each containing iron, cobalt and nickel as main components.
摘要翻译： 一种金属膜型磁记录介质，其中饱和磁通密度高，并且施加具有良好耐腐蚀性的铁。 磁性层包括在基膜上依次形成的各自以铁，钴和镍为主要成分的金属膜。
-
公开(公告)号：US5731068A
公开(公告)日：1998-03-24
申请号：US606353
申请日：1996-02-23
IPC分类号： G11B5/66
CPC分类号： G11B5/66 , Y10S428/90 , Y10T428/24942 , Y10T428/2495 , Y10T428/24975 , Y10T428/265 , Y10T428/31678
摘要： A magnetic recording medium is disclosed which comprises a support and formed thereover a magnetic layer having a multilayer structure comprising at least two vapor-deposited metal films each made up of columns, each vapor-deposited metal film having a degree of column curvature of 20% or lower, and any of said vapor-deposited metal films which is closer to said support having a higher degree of column curvature than any of said vapor-deposited metal films which is closer to the surface. The magnetic recording medium enables high-density recording, is excellent especially in output characteristics and C/N characteristics, and has a balance between longitudinal-direction magnetic characteristics and vertical-direction magnetic characteristics.
摘要翻译： 公开了一种磁记录介质，其包括支撑件，并且形成有具有多层结构的磁性层，所述磁性层包括由柱构成的至少两个气相沉积金属膜，每个蒸镀金属膜的柱曲率为20％ 并且更靠近所述支撑体的任何所述气相沉积金属膜具有比任何更接近表面的所述气相沉积金属膜的柱曲率高的程度。 磁记录介质能够进行高密度记录，特别是在输出特性和C / N特性方面是优异的，并且在纵向磁特性和垂直方向磁特性之间具有平衡。
-
7.发明授权
公开(公告)号：US5723212A
公开(公告)日：1998-03-03
申请号：US442153
申请日：1995-05-16
CPC分类号： G11B5/8404 , G11B5/8408 , Y10S428/90 , Y10T428/26 , Y10T428/265
摘要： The present invention is directed to methods and apparatus for preparing a magnetic recording medium having a nonmagnetic substrate layer, a back-coat layer containing a metal or semi-metal which has been deposited in a vacuum on one surface of the substrate, a magnetic layer which has been deposited in a vacuum on the other surface of the substrate, and an optional top-coat layer which has been sprayed in a vacuum onto the magnetic layer. A quantity of oxygen is introduced during depositing of the back-coat layer to obtain a surface resistance of 5 to 10.sup.5 ohms.
摘要翻译： 本发明涉及用于制备具有非磁性基底层的磁性记录介质的方法和装置，在基底的一个表面上真空沉积的含有金属或半金属的背涂层，磁性层 其已经沉积在基板的另一表面上的真空中，以及已经在真空中喷涂到磁性层上的任选的顶涂层。 在沉积背涂层期间引入一定量的氧以获得5至105欧姆的表面电阻。
-
8.发明授权
公开(公告)号：US5593723A
公开(公告)日：1997-01-14
申请号：US122286
申请日：1993-09-17
CPC分类号： G11B5/8404 , G11B5/8408 , Y10S428/90 , Y10T428/26 , Y10T428/265
摘要： The present invention is directed to methods and apparatus for preparing a magnetic recording medium having a nonmagnetic substrate layer, a back-coat layer containing a metal or semi-metal which has been deposited in a vacuum on one surface of the substrate, a magnetic layer which has been deposited in a vacuum on the other surface of the substrate, and an optional top-coat layer which has been sprayed in a vacuum onto the magnetic layer. A quantity of oxygen is introduced during depositing of the back-coat layer to obtain a surface resistance of 5 to 10.sup.5 ohms.
摘要翻译： 本发明涉及用于制备具有非磁性基底层的磁性记录介质的方法和装置，在基底的一个表面上真空沉积的含有金属或半金属的背涂层，磁性层 其已经沉积在基板的另一表面上的真空中，以及已经在真空中喷涂到磁性层上的任选的顶涂层。 在沉积背涂层期间引入一定量的氧以获得5至105欧姆的表面电阻。
-
公开(公告)号：US5538802A
公开(公告)日：1996-07-23
申请号：US112142
申请日：1993-08-26
CPC分类号： G11B5/653 , Y10S428/90
摘要： A magnetic recording medium which is uncostly, can dispense with environmental pollution control measures unlike the case of Co or Cr, is highly durable, permits high density recording and comprises a magnetic film selected from the group consisting of:(1) a Fe--N--O magnetic film comprising 70 to 90 atomic % of Fe, 5 to 15 atomic % of N and 5 to 15 atomic % of O,(2) a Fe--C--O magnetic film comprising 60 to 85 atomic % of Fe, 5 to 35 atomic % of C and 5 to 15 atomic % of O,(3) a Fe--P--O magnetic film comprising 70 to 90 atomic % of Fe, 5 to 25 atomic % of P and 5 to 10 atomic % of O,(4) a Fe--Si--O magnetic film comprising 60 to 90 atomic % of Fe, 5 to 30 atomic % of Si and 5 to 10 atomic % of O,(5) a Fe--B--O magnetic film comprising 65 to 90 atomic % of Fe, 5 to 30 atomic % of B and 5 to 10 atomic % of O, and(6) a Fe--Ni--N--O magnetic film comprising 40 to 75 atomic % of Fe, 10 to 30 atomic % of Ni, 10 to 30 atomic % of N and 5 to 10 atomic % of O.
摘要翻译： 与Co或Cr不同的情况下，不附着环境污染控制措施的磁记录介质是非常耐用的，允许高密度记录，并且包括选自以下的磁性膜：（1）Fe-NO 包含70〜90原子％的Fe，5〜15原子％的N和5〜15原子％的O的磁性膜，（2）Fe-CO磁性膜，其含有60〜85原子％的Fe，5〜35原子％ 的C和5〜15原子％的O，（3）Fe-PO磁性膜，其包含70〜90原子％的Fe，5〜25原子％的P和5〜10原子％的O，（4）Fe -Si-O磁性膜，其包含60至90原子％的Fe，5至30原子％的Si和5至10原子％的O，（5）Fe-BO磁性膜，其包含65至90原子％的Fe，5 至30原子％的B和5至10原子％的O，和（6）Fe-Ni-NO磁性膜，其包含40至75原子％的Fe，10至30原子％的Ni，10至30原子％的Fe N和5至10原子％的O.
-
公开(公告)号：US5853871A
公开(公告)日：1998-12-29
申请号：US718184
申请日：1996-09-19
IPC分类号： B32B9/00 , C23C14/48 , C23C14/56 , G11B5/64 , G11B5/66 , G11B5/72 , G11B5/725 , G11B5/735 , H01F10/14 , H01F10/30
CPC分类号： G11B5/653 , G11B5/72 , G11B5/725 , Y10S428/90 , Y10T428/26 , Y10T428/265
摘要： A magnetic recording medium comprising a substrate, a magnetic layer, a protective layer and a lubricant layer, wherein the magnetic layer is coated on the substrate, the protective layer is coated on the magnetic layer, the lubricant layer is coated on the protective layer, the magnetic layer is an Fe--C--O metal magnetic layer containing Fe, C and O, the protective layer is a diamond-like carbon layer and the lubricant is a fluorine-contained lubricant. The magnetic recording medium using an inexpensive Fe as a magnetic material, has excellent electromagnetic conversion characteristic, durability, corrosion resistance and running capability.
摘要翻译： 一种包括基板，磁性层，保护层和润滑剂层的磁记录介质，其中所述磁性层涂覆在所述基板上，所述保护层被涂覆在所述磁性层上，所述润滑剂层涂覆在所述保护层上， 磁性层是含有Fe，C和O的Fe-CO金属磁性层，保护层是类金刚石碳层，润滑剂是含氟润滑剂。 使用廉价Fe作为磁性材料的磁记录介质具有优异的电磁转换特性，耐久性，耐腐蚀性和运行能力。
-
-
-
-
-
-
-
-
-
搜索结果
20 条记录 (耗时 0.021 秒)