High coercivity perpendicular magnetic recording media on polymer substrates
    1.
    发明授权
    High coercivity perpendicular magnetic recording media on polymer substrates 失效
    高矫顽力垂直磁记录介质在聚合物基材上

    公开(公告)号:US07033685B2

    公开(公告)日:2006-04-25

    申请号:US10679419

    申请日:2003-10-07

    IPC分类号: G11B5/667 G11B5/673

    摘要: A method of manufacturing a perpendicular magnetic recording medium, comprises steps of: (a) providing a substrate of an amorphous thermoplastic polymer material having softening and glass transition temperatures as low as about 95° C.; and (b) forming at least one stack of thin film layers atop at least one surface of the substrate, the at least one layer stack including at least one granular magnetic recording layer of perpendicular type, wherein oxides and/or nitrides provide physical de-coupling of adjacent magnetic grains; and wherein each of the thin film layers is formed by depositing at a substrate temperature not greater than about 70° C., and the coercivity (Hc) of the resultant perpendicular magnetic recording medium is at least about 4,000 Oe.

    摘要翻译: 制造垂直磁记录介质的方法包括以下步骤:(a)提供具有低至约95℃的软化和玻璃化转变温度的无定型热塑性聚合物材料的基底; 和(b)在所述衬底的至少一个表面上方形成至少一层薄膜层,所述至少一层堆叠包括至少一个垂直型粒状磁记录层,其中氧化物和/或氮化物提供物理去除层, 相邻磁性颗粒的耦合; 并且其中每个薄膜层通过在不大于约70℃的衬底温度下沉积而形成,并且所得到的垂直磁记录介质的矫顽力(H C)至少约为 4000盎司

    Method of replicating a textured surface
    2.
    发明授权
    Method of replicating a textured surface 失效
    复制纹理表面的方法

    公开(公告)号:US07157031B2

    公开(公告)日:2007-01-02

    申请号:US10445323

    申请日:2003-05-27

    IPC分类号: B29C43/18

    摘要: The present invention relates to methods for forming textured surfaces in a polymeric surfaces. Moreover, the present invention relates to methods for forming textured surfaces in a polymeric surfaces and faithfully replicating the textured surfaces in the surfaces of sol-gel films on the surfaces of very hard materials, e.g., of glass, ceramic, or glass-ceramic substrates.

    摘要翻译: 本发明涉及在聚合物表面中形成纹理表面的方法。 此外,本发明涉及在聚合物表面中形成纹理表面的方法,并且在非常硬的材料(例如玻璃,陶瓷或玻璃 - 陶瓷衬底)的表面上忠实地复制溶胶 - 凝胶膜表面中的织构化表面 。

    Method of preparing an oriented-low-alloy iron from an ingot of
controlled sulfur, manganese and oxygen contents
    4.
    发明授权
    Method of preparing an oriented-low-alloy iron from an ingot of controlled sulfur, manganese and oxygen contents 失效
    从受控硫,锰和氧含量的锭制备定向低合金铁的方法

    公开(公告)号:US4251296A

    公开(公告)日:1981-02-17

    申请号:US38360

    申请日:1979-05-11

    IPC分类号: C21D8/12 H01F1/16 H01F1/00

    摘要: This invention is of a process and an intermediate alloy for making an oriented-low-alloy iron (primarily recrystallized) which obtains maximum (110) [001] texture and improved magnetic properties by controlling the sulfur, carbon, manganese, and oxygen contents in the intermediate alloy to certain critical narrow ranges. With alloys containing the 0.01-0.15 percent manganese normally found in commercially available iron, the optimum intermediate (prior to final anneal) sulfur level has been found to be 0.004-0.008 percent. This sulfur level is appropriate for such manganese contents for a wide variety of silicon and chromium content. Similarly an intermediate carbon level of between 0.002 and 0.020% has been shown to give the maximum texture and best properties. The oxygen level must be 0.005 percent or lower and should be held as low as practicable. With these levels of sulfur, carbon, manganese, and oxygen, the alloy can be processed by hot rolling at 900.degree.-1200.degree. C. (usually between 1000.degree.-1100.degree. C.), followed by either two or three cold rolling stages with the final cold rolling providing a 50-75 percent reduction, and with annealing at between 750.degree. C. and the A.sub.Cl temperature of the material between cold rollings. The alloy can also contain 0-3% cobalt and up to total of 2% chromium and silicon.

    摘要翻译: 本发明是一种通过控制硫,碳,锰和氧含量来获得最大(110)[001]结构和改善磁性能的方法和中间合金,用于制造定向低合金铁(主要是重结晶) 中间合金到某些关键的窄范围。 含有通常在市售铁中含量为0.01-0.15%的锰的合金中,发现最佳中间体(最终退火前)硫含量为0.004-0.008%。 这种硫含量适用于各种硅和铬含量的这种锰含量。 类似地,0.002和0.020%之间的中间碳含量已显示出最大的质感和最佳性能。 氧气含量必须为0.005%以下,应尽可能低。 通过这些硫,碳,锰和氧的含量,合金可以在900〜1200℃(通常在1000〜1100℃)之间进行热轧,然后进行两个或三个冷轧阶段 最终冷轧提供50-75%的减少量,并且在750℃之间退火和冷轧之间的材料的AC1温度。 该合金还可以含有0-3%的钴和最多2%的铬和硅。

    Oriented low-alloy iron containing critical amounts of silicon and
chromium
    5.
    发明授权
    Oriented low-alloy iron containing critical amounts of silicon and chromium 失效
    含有临界量的硅和铬的定向低合金铁

    公开(公告)号:US4255215A

    公开(公告)日:1981-03-10

    申请号:US38361

    申请日:1979-05-11

    摘要: This is a low-alloy iron having desirable magnetic characteristics suitable for electrical applications such as transformer cores. This material has improved texture and reduced core losses. The alloys contain 0.6-1.0% silicon and 0.4-0.8% chromium along with controlled levels of manganese, sulfur, carbon and oxygen. These alloys are preferably processed to about 0.006 inch (0.015 cm) final gauge using schedules with three coldrolling steps. B.sub.10 values above 19 kG and 17 kG losses below 0.72 watts per pound are obtained with these alloys.

    摘要翻译: 这是具有适合于诸如变压器铁芯的电气应用的理想磁特性的低合金铁。 该材料具有改进的质感和降低的磁心损耗。 合金含有0.6-1.0%的硅和0.4-0.8%的铬以及受控的锰,硫,碳和氧的含量。 这些合金优选使用具有三个冷轧步骤的时间表加工至约0.006英寸(0.015cm)的最终规格。 使用这些合金可获得高于19kG的B10值和低于0.72W /磅的17kG损失。

    Transformer with ferromagnetic circuits of unequal saturation inductions
    7.
    发明授权
    Transformer with ferromagnetic circuits of unequal saturation inductions 失效
    具有不等饱和感应铁磁电路的变压器

    公开(公告)号:US4520335A

    公开(公告)日:1985-05-28

    申请号:US482681

    申请日:1983-04-06

    摘要: Ferromagnetic cores and electric transformers having a ferromagnetic core having at least two ferromagnetic circuits are described. At least one ferromagnetic circuit is composed of a ferromagnetic amorphous material and at least one ferromagnetic circuit is composed of a grain oriented electrical steel. The amorphous material having a saturation induction which is lower than that of the grain oriented steel. Methods of fabricating the core and using the transformer are also described.

    摘要翻译: 描述具有至少两个铁磁电路的铁磁芯的铁磁芯和电变压器。 至少一个铁磁电路由铁磁性非晶材料构成,至少一个铁磁电路由晶粒取向电工钢构成。 具有比晶粒取向钢低的饱和感应的无定形材料。 还描述了制造芯和使用变压器的方法。

    Method of preparing an oriented low alloy iron from an ingot alloy
having a high initial sulfur content
    8.
    发明授权
    Method of preparing an oriented low alloy iron from an ingot alloy having a high initial sulfur content 失效
    从初始硫含量高的锭合金制备定向低合金铁的方法

    公开(公告)号:US4251295A

    公开(公告)日:1981-02-17

    申请号:US38359

    申请日:1979-05-11

    IPC分类号: C21D8/12 H01F1/16 H01F1/00

    摘要: This is an ingot alloy composition and method suitable for making a low-alloy iron having desirable magnetic characteristics suitable for electrical applications such as transformers cores. The ingot alloy has relatively high (0.012-0.020%) sulfur and thus can be prepared with reduced melting cost (as compared to ingot alloys which are to have low sulfur content). To provide for good sulfur removal during processing, however, the manganese content of the ingot alloy must be kept very low (less than 0.01%, if the final annealing is to be performed at about (800.degree.-1000.degree. C.). The ingot alloy also contains 0.1-2% silicon, 0.1-2% chromium, 0.005-0.030% carbon, less than 0.004% oxygen and the balance essentially iron. The method provides for hot-rolling the above described ingot alloy at 900.degree.-1200.degree. C., annealing for 3-10 hours at 750.degree.-900.degree. C., cold-rolling with a 50-75% reduction, annealing for 3-10 hours at 750.degree.-900.degree. C., and cold-rolling with a 50-75% reduction to final thickness. The final annealing is performed for 24-72 hours at 800.degree. to 1000.degree. C.

    摘要翻译: 这是适用于制造具有适合于诸如变压器芯之类的电气应用的理想磁特性的低合金铁的锭合金组成和方法。 铸锭合金具有相对高的(0.012-0.020%)的硫,因此可以以降低熔融成本(与具有低硫含量的锭合金相比)来制备。 然而,为了在加工过程中提供良好的硫去除,铸锭合金的锰含量必须保持非常低(如果在约(800-1000℃)下进行最终退火,则其含量必须低于0.01%) 锭合金还含有0.1-2%的硅,0.1-2%的铬,0.005-0.030%的碳,小于0.004%的氧,余量基本上是铁,该方法提供了上述铸锭合金在900°-1200℃的热轧 ℃,在750-900℃退火3-10小时,冷轧减少50-75%,在750-900℃下退火3-10小时,并用 最终退火时间为50-75%,最终退火温度在800〜1000℃下进行24-72小时。

    Method of stress-relief annealing a magnetic core containing amorphous
material
    9.
    发明授权
    Method of stress-relief annealing a magnetic core containing amorphous material 失效
    对含有非晶材料的磁芯进行应力消除退火的方法

    公开(公告)号:US4832763A

    公开(公告)日:1989-05-23

    申请号:US787272

    申请日:1985-10-15

    IPC分类号: H01F1/153

    摘要: A method of stress-relief annealing a magnetic core constructed of magnetic, metallic strip material, with at least a portion of the strip material being amorphous, wherein the strip material has major plane surfaces which define first exposed surfaces of the magnetic core, and lateral edges which collectively define second exposed surfaces of the magnetic core. The method includes the step of thermally insulating the first exposed surfaces of the magnetic core, and the step of heating the magnetic core via the second exposed surfaces.

    摘要翻译: 一种对由磁性金属条材料制成的磁芯进行应力消除退火的方法,至少一部分带状材料是无定形的,其中带状材料具有限定磁芯的第一暴露表面的主平面,以及横向 共同限定磁芯的第二暴露表面的边缘。 该方法包括使磁芯的第一暴露表面绝热的步骤和经由第二暴露表面加热磁芯的步骤。

    Loss ferromagnetic materials and methods of improvement
    10.
    发明授权
    Loss ferromagnetic materials and methods of improvement 失效
    损失铁磁材料和改进方法

    公开(公告)号:US4645547A

    公开(公告)日:1987-02-24

    申请号:US435822

    申请日:1982-10-20

    摘要: It has been found that ferromagnetic sheet material can be scribed in order to reduce watt losses by a thermal method involving rapid heating of small areas or narrow bands of the material in a manner that produces sudden thermal expansion to a degree sufficient to produce plastic deformation within the thermally treated zone. This method has been found to be particularly applicable to electrically insulative coated ferromagnetic sheet wherein it has been found that a laser operating in a continuous wave or extended pulse mode can produce the desired deformation in the ferromagnetic material without damage to the coating properties.

    摘要翻译: 已经发现,可以刻划铁磁片材,以便通过热方法降低瓦特损耗,所述热法涉及对材料的小面积或窄带进行快速加热,使得产生突然的热膨胀至足以产生塑性变形的程度 热处理区。 已经发现该方法特别适用于电绝缘涂覆的铁磁片,其中已经发现以连续波或延伸脉冲模式操作的激光器可以在铁磁材料中产生期望的变形而不损害涂层性能。