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    • 43. 发明授权
    • Magnetic recording medium and method for production thereof
    • 磁记录介质及其制造方法
    • US5571595A
    • 1996-11-05
    • US90197
    • 1993-11-26
    • Kazunobu ChibaKenichi SatoYuichi ArisakaHirofumi KondoYukari Yamada
    • Kazunobu ChibaKenichi SatoYuichi ArisakaHirofumi KondoYukari Yamada
    • G11B5/72G11B5/725G11B5/735G11B5/84G11B5/66B32B3/10C23C14/00
    • G11B5/725G11B5/72G11B5/735G11B5/8408Y10S428/90Y10T428/24355Y10T428/265Y10T428/30Y10T428/31721Y10T428/31725Y10T428/31786
    • A magnetic recording medium having a magnetic metal thin film as a magnetic layer is disclosed. An oxide layer is formed on the surface of the magnetic metal thin film, and a proactive layer is further formed on the oxide layer. The oxide layer on the surface of the magnetic metal thin film has a thickness of 20 to 230 .ANG., while the protective layer has a thickness of 20 to 230 .ANG.. The combined total thickness of the oxide layer and the protective layer is 40 to 250 .ANG.. The oxide layer surface may be bombarded prior to formation of the protective layer for improving the bonding of the protective layer. A lubricant may be coated on the surface of the protective layer. The lubricant may be one of perfluoro alkyl ester of carboxylic acid, ester compounds of perfluoro polyether having carboxylic groups, and amine salt compounds. The reverse surface of a non-magnetic base film as a substrate has a centerline mean roughness R.sub.a and the maximum height R.sub.max of projections in the ranges of 0.015 .mu.m.ltoreq.R.sub.a 0.0070 .mu.m and 0.015.ltoreq.R.sub.max .ltoreq.0.070 .mu.m, respectively.
    • PCT No.PCT / JP92 / 01510 Sec。 371日期:1993年11月26日 102(e)日期1993年11月26日PCT 1991年11月18日PCT PCT。 公开号WO93 / 10526 日期:1993年5月27日公开了具有磁性金属薄膜作为磁性层的磁记录介质。 在磁性金属薄膜的表面上形成氧化物层,在氧化物层上进一步形成主动层。 磁性金属薄膜表面的氧化物层的厚度为20〜230,保护层的厚度为20〜230。 氧化物层和保护层的总厚度为40至250安培。 在形成用于改善保护层的结合的保护层之前,可以轰击氧化物层表面。 润滑剂可以涂覆在保护层的表面上。 润滑剂可以是羧酸的全氟烷基酯,具有羧基的全氟聚醚的酯化合物和胺盐化合物之一。 作为基板的非磁性基膜的反面具有中心线平均粗糙度Ra和突起的最大高度Rmax在0.015μm≤Ra0.0070μm和0.015≤Rmax<0.070的范围内 亩。
    • 44. 发明授权
    • Pressure switch
    • 压力开关
    • US5519179A
    • 1996-05-21
    • US359428
    • 1994-12-20
    • Kenichi Sato
    • Kenichi Sato
    • H01H35/24H01H35/34
    • H01H35/24
    • This invention provides a pressure switch and a method of manufacture thereof, which allow the air vent hole to be formed very small in diameter so that the engine oil can be reliably prevented from flowing out through this air vent hole.The reduced diameter portion of the air vent hole 13 is formed in the following steps during the process of resin-molding the insulating cap 3 of the pressure switch 1. After the air vent hole 13 having the outwardly projecting portion 14 is formed, the recessed portion 16 of the jig 17 is placed in contact with the circumferential surface of the projecting portion 14 of the air vent hole 13. The jig 17 is pressed against the projecting portion 14 of the air vent hole 13 with a specified pressure to deform the projecting portion 14 and thereby reduce the inner diameter of the air vent hole 13 at the end.
    • 本发明提供了一种压力开关及其制造方法,其允许通气孔的直径非常小,从而可以可靠地防止发动机油从该通气孔流出。 在树脂成型压力开关1的绝缘盖3的过程中,通气孔13的直径减小部分形成为以下步骤。在形成具有向外突出部分14的排气孔13之后,凹陷 夹具17的部分16与通气孔13的突出部分14的周向表面接触。夹具17以特定的压力压靠通气孔13的突出部分14,以使突出部分 从而减小末端的通气孔13的内径。
    • 46. 发明授权
    • Ignition timing control system for internal combustion engine
    • 内燃机点火正时控制系统
    • US5448975A
    • 1995-09-12
    • US305617
    • 1994-09-14
    • Kenichi Sato
    • Kenichi Sato
    • F02D41/14F02P5/04F02P5/15
    • F02P5/045
    • An ignition timing control system for an internal combustion engine which is equipped with an air-fuel ratio feedback control system for controlling an air-fuel ratio to a stoichiometric value. In the ignition timing control system, a basic ignition timing is corrected in accordance with an ignition timing correction amount which is calculated in accordance with a difference between an air-fuel ratio within in a combustion chamber for each engine cylinder and a stoichiometric air-fuel ratio. The air-fuel ratio within the combustion chamber is calculated from an air-fuel ratio feedback control parameter, taking account of a predetermined time lag characteristic of a variation of the air-fuel ratio relative to that of the control parameter.
    • 一种用于内燃机的点火正时控制系统,其配备有用于将空燃比控制为化学计量值的空燃比反馈控制系统。 在点火正时控制系统中,根据根据每个发动机气缸的燃烧室内的空燃比和理论空燃比之间的差计算的点火正时校正量来校正基本点火正时 比。 考虑到相对于控制参数的空燃比的变化的预定时滞特性,从空燃比反馈控制参数计算燃烧室内的空燃比。
    • 48. 发明授权
    • Optical head cleaning cartridge
    • 光头清洁带
    • US5329511A
    • 1994-07-12
    • US874623
    • 1992-04-27
    • Kenichi Sato
    • Kenichi Sato
    • G11B7/12G11B23/00G11B23/03G11B3/58
    • G11B23/0327G11B7/121
    • An optical head cleaning cartridge is adapted for use in an optical disk unit which includes an optical head located at a predetermined position in a specific operation mode of the optical disk unit and which uses the optical head to record information signals on and/or reproduce information signals from an optical disk which is accommodated within a standard type optical disk cartridge which is in conformance with a predetermined standard when loaded with the standard type optical disk cartridge. The optical head cleaning cartridge includes a first part having a size and a shape which are approximately the same as those of the standard type optical disk cartridge, a cleaning element provided at a position of the first part to confront the optical head when the optical head cleaning cartridge is loaded into the optical disk unit in the specific operation mode, a second part, connected to the first part, and including a driving part located at a position to allow manipulation thereof, and a transmitting mechanism, provided in the first and second parts, for transmitting power of the driving part to the cleaning element. The cleaning element cleans the optical head by rotating in response to the power of the driving part received via the transmitting mechanism.
    • 一种光头清洁盒适用于光盘单元,该光盘单元包括位于光盘单元的特定操作模式中的预定位置处的光头,并且使用光头将信息信号记录在和/或再现信息 当装载标准型光盘盒时,容纳在符合预定标准的标准型光盘盒内的光盘的信号。 光头清洁盒包括第一部分,其尺寸和形状与标准型光盘盒的尺寸和形状大致相同,清洁元件设置在第一部分的位置,以在光学头部 在特定操作模式下将清洁带装载到光盘单元中,第二部分连接到第一部分,并且包括位于允许其操纵的位置的驱动部分和设置在第一和第二部分中的传送机构 用于将驱动部件的动力传递到清洁元件的部件。 清洁元件响应于经由传送机构接收的驱动部件的动力而旋转来清洁光头。