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    • 91. 发明授权
    • Magnetic recording disk and disk drive with patterned phase-type servo fields for read/write head positioning
    • 具有图形化相位型伺服字段的磁记录盘和磁盘驱动器,用于读/写头定位
    • US07612961B2
    • 2009-11-03
    • US11871281
    • 2007-10-12
    • Satoshi Yamamoto
    • Satoshi Yamamoto
    • G11B5/09
    • G11B5/855G11B5/59633G11B5/59688
    • A magnetic recording disk drive uses a disk having pre-patterned servo sectors extending generally radially across the data tracks. The servo sectors include at least two position error signal (PES) bursts or fields. The phases of the PES fields in the servo readback signal are demodulated to generate a PES to control the disk drive actuator for positioning the read/write heads. Each field contains generally radially directed magnetized stripes, with each stripe comprising a plurality of discrete radially-spaced generally parallelogram-shaped islands, each island having its length oriented at an acute angle relative to a track centerline. The stripes have alternating polarity of magnetizations in the along-the-track direction. In one implementation there are four fields: a first pair of fields A and B wherein the pattern of the radial stripes in field A is the mirror image about a radial line of the pattern of the radial stripes in field B, and a second like pair of fields C and D, but wherein the radial stripes in fields C and D are shifted radially from the radial stripes in fields A and B.
    • 磁记录磁盘驱动器使用具有预先构图的伺服扇区的磁盘,该磁盘扇区通常径向延伸穿过数据磁道。 伺服扇区包括至少两个位置误差信号(PES)突发或场。 对伺服回读信号中的PES场的相位进行解调,生成PES以控制用于定位读/写头的磁盘驱动器致动器。 每个场包含大致径向定向的磁化条纹,每个条带包括多个离散的径向间隔的大致平行四边形形状的岛,每个岛的长度相对于轨道中心线以锐角取向。 条纹沿磁迹方向具有磁化的交替极性。 在一个实现中,存在四个场:第一对场A和B,其中场A中的径向条纹的图案是关于场B中的径向条带的图案的径向线的镜像,以及第二对对 的场C和D,但是其中场C和D中的径向条纹在场A和B中的径向条纹中径向偏移。
    • 93. 发明授权
    • Chemically amplified resist composition
    • 化学放大抗蚀剂组合物
    • US07575850B2
    • 2009-08-18
    • US12021149
    • 2008-01-28
    • Yoshiyuki TakataSatoshi YamamotoSatoshi Yamaguchi
    • Yoshiyuki TakataSatoshi YamamotoSatoshi Yamaguchi
    • G03F7/004
    • G03F7/0397G03F7/0045G03F7/0046Y10S430/111Y10S430/122Y10S430/123
    • The present invention provides a chemically amplified resist composition comprising: a resin which comprises a structural unit having an acid-labile group and a structural unit represented by the formula (I): wherein R1 represents a hydrogen atom or a methyl group, ring X represents a C3-C30 cyclic hydrocarbon group in which one —CH2— is substituted with —COO—, and at least one hydrogen atom in the C3-C30 cyclic hydrocarbon group may be substituted, and p represents an integer of 1 to 4, and which itself is insoluble or poorly soluble in an alkali aqueous solution but becomes soluble in an alkali aqueous solution by the action of an acid, and at least two salts selected from a salt represented by the formula (II): wherein Y1 and Y2 each independently represent a fluorine atom or a C1-C6 perfluoroalkyl group, A+ represents an organic counter ion and R21 represents a C1-C30 hydrocarbon group which may be substituted and at least one —CH2— in the C1-C30 hydrocarbon group may be substituted with —CO— or —O—, and a salt represented by the formula (III): A′+−O3S—R23  (III) wherein R23 represents a C1-C8 linear or branched chain perfluoroalkyl group and A′+ represents an organic counter ion.
    • 本发明提供一种化学放大抗蚀剂组合物,其包含:树脂,其包含具有酸不稳定基团的结构单元和由式(I)表示的结构单元:其中R1表示氢原子或甲基,环X表示 C 1 -C 30环烃基,其中一个-CH 2 - 被-COO-取代,并且C 3 -C 30环烃基中的至少一个氢原子可以被取代,p表示1〜4的整数, 本身在碱性水溶液中不溶或难溶,但是通过酸的作用而溶于碱性水溶液中,以及选自式(II)表示的盐中的至少两种盐:其中Y1和Y2各自独立地表示 氟原子或C1-C6全氟烷基,A +表示有机抗衡离子,R21表示可以被取代的C1-C30烃基,C1-C30烃基中的至少一个-CH2-可以是取代基 d与-CO-或-O-,以及由式(III)表示的盐:<?in-line-formula description =“In-line formula”end =“lead”?> A'+ - O3S-R23 (III)<?in-line-formula description =“In-line Formulas”end =“tail”?>其中R23表示C1-C8直链或支链全氟烷基,A'+表示有机抗衡离子。
    • 95. 发明申请
    • CONTROL UNIT OF ELECTRIC POWER STEERING APPARATUS
    • 电力转向装置控制单元
    • US20090125187A1
    • 2009-05-14
    • US12090150
    • 2006-10-12
    • Satoshi YamamotoTakeshi Hara
    • Satoshi YamamotoTakeshi Hara
    • B62D6/00
    • B62D5/0463B62D5/0457B62D5/049B62D15/0245
    • In a control unit of an electric power steering apparatus for driving a motor with a current command value and giving an assist torque to a steering mechanism by driving the motor, the control unit is provided with a motor angle sensor; a torque sensor; a relative steering angle detecting section for detecting a relative steering angle; a steering angular speed detecting section for detecting an angular speed of the motor; a vehicle speed determining section; a neutral point calculating section for determining that a vehicle is being driven straightly, and calculating by considering that the relative steering angle when the straight driving continues for not less than a predetermined time is a neutral point; and an absolute steering angle calculating section for calculating an absolute steering angle with a difference between the neutral point and the relative steering angle.
    • 在用于通过电流指令值驱动电动机并通过驱动电动机向转向机构给出辅助转矩的电动助力转向装置的控制单元中,控制单元设置有电动机角度传感器; 扭矩传感器; 用于检测相对转向角的相对转向角检测部; 用于检测电动机的角速度的转向角速度检测部分; 车速决定部; 中性点计算部,其用于判定车辆正在被直线驱动,并且通过考虑在直线行驶持续不少于预定时间时的相对转向角是中性点来计算; 以及绝对转向角计算部,用于以中性点和相对转向角之间的差计算绝对转向角。
    • 96. 发明申请
    • MAGNETIC RECORDING DISK AND DISK DRIVE WITH AMPLITUDE-TYPE SERVO FIELDS HAVING PATTERNED SERVO ISLANDS FOR READ/WRITE HEAD POSITIONING
    • 磁性记录盘和磁盘驱动器,具有带图形的SERVO ISLANDS用于读/写头位置的AMPLITUDE型伺服字段
    • US20090097160A1
    • 2009-04-16
    • US11871259
    • 2007-10-12
    • Satoshi Yamamoto
    • Satoshi Yamamoto
    • G11B5/82
    • G11B5/82B82Y10/00G11B5/5965G11B5/743G11B5/746
    • A magnetic recording disk drive has a disk with pre-patterned nondata servo sectors extending generally radially across the data tracks. The disk may be a patterned-media disk with both pre-patterned data islands and pre-patterned nondata servo sectors. The servo sectors include a synchronization pattern of generally radially directed discrete magnetized marks, and first and second position error signal (PES) fields of generally radially directed discrete magnetized stripes. Each stripe in each of the two fields comprises a plurality of radially spaced discrete servo islands, each island having a radial height of approximately Tp, where Tp is the radial spacing of the track centerlines. In each field, the servo islands in alternating stripes in the along-the-track direction are shifted radially by approximately Tp. In the first PES field, the islands are centered at the midline between two adjacent track centerlines, and in the second PES field the islands are centered at a track centerline. All of the servo islands in the two PES fields have the same magnetization direction.
    • 磁记录盘驱动器具有盘,其预先图案化的非数据伺服扇区大致径向延伸穿过数据轨道。 盘可以是具有预图案化数据岛和预先构图的非数据伺服扇区的图案化介质盘。 伺服扇区包括大致径向定向的离散磁化标记的同步模式,以及大致径向定向的离散磁化条纹的第一和第二位置误差信号(PES)场。 两个场中的每个条带中的每个条带包括多个径向间隔离散的伺服岛,每个岛具有大约Tp的径向高度,其中Tp是轨道中心线的径向间距。 在每个场中,沿着轨道方向的交替条纹的伺服岛沿径向移动大约Tp。 在第一个PES领域中,岛屿居中在两个相邻的轨道中心线之间的中线,而在第二个PES领域,岛屿以轨道中心线为中心。 两个PES场中的所有伺服岛具有相同的磁化方向。
    • 98. 发明申请
    • MAGNETIC RECORDING DISK AND DISK DRIVE WITH PATTERNED PHASE-TYPE SERVO FIELDS FOR READ/WRITE HEAD POSITIONING
    • 带读取/写入头位置的带有相位型伺服字段的磁记录盘和磁盘驱动器
    • US20090040652A1
    • 2009-02-12
    • US11837503
    • 2007-08-11
    • Michael A. MoserSatoshi Yamamoto
    • Michael A. MoserSatoshi Yamamoto
    • G11B5/596
    • G11B15/605G11B15/66
    • A magnetic recording disk drive uses a disk having pre-patterned servo sectors extending generally radially across the data tracks. The servo sectors include at least two position error signal (PES) bursts or fields. The phases of the PES fields in the servo readback signal are demodulated to generate a PES to control the disk drive actuator for positioning the read/write heads. Each field contains generally radially directed magnetized stripes, with each stripe comprising a plurality of islands forming a zigzag pattern. The stripes have alternating polarity of magnetizations in the along-the-track direction. In one implementation there are four fields: a first pair of fields A and B wherein the zigzag pattern of the radial stripes in field A is the mirror image about a radial line of the zigzag pattern of the radial stripes in field B, and a second like pair of fields C and D, but wherein the radial stripes in fields C and D are shifted radially by one-half the island radial height from the radial stripes in fields A and B.
    • 磁记录磁盘驱动器使用具有预先构图的伺服扇区的磁盘,该磁盘扇区通常径向延伸穿过数据磁道。 伺服扇区包括至少两个位置误差信号(PES)突发或场。 对伺服回读信号中的PES场的相位进行解调,生成PES以控制用于定位读/写头的磁盘驱动器致动器。 每个场包含大致径向定向的磁化条纹,每个条纹包括形成锯齿形图案的多个岛状物。 条纹沿磁迹方向具有磁化的交替极性。 在一个实现中,有四个字段:第一对字段A和B,其中字段A中的径向条纹的之字形图案是关于字段B中的径向条纹的之字形图案的径向线的镜像, 像场对C和D一样,但其中场C和D中的径向条纹径向偏离岛A和B中的径向条纹的岛径向高度的一半。
    • 99. 发明申请
    • PRESSURE SENSOR PACKAGE AND ELECTRONIC PART
    • 压力传感器包装和电子部件
    • US20080276713A1
    • 2008-11-13
    • US12175245
    • 2008-07-17
    • Satoshi YamamotoMikio HashimotoTakanao Suzuki
    • Satoshi YamamotoMikio HashimotoTakanao Suzuki
    • G01L9/00
    • G01L9/0042G01L9/0054G01L19/0069H01L2224/48091H01L2924/00014
    • A pressure sensor package of the present invention includes a pressure sensor including a cavity disposed within a semiconductor substrate, wherein a region of the substrate above the cavity comprises a diaphragm section; a plurality of pressure-sensitive elements, wherein at least of portion of each pressure-sensitive element is disposed on the diaphragm section; and a plurality of conductive portions laterally spaced from the cavity and electrically connected to the pressure sensitive elements, a plurality of electrically conductive bumps arranged on the conductive portions and electrically connected to the conductive portions, wherein a total thickness D1 of the semiconductor substrate, a thickness D2 of the diaphragm section, a thickness D3 of the cavity, and a thickness D4=D1−(D2+D3) satisfy the relationships: (D2+D3) in a range of approximately 5-20 μm, and D1 not less than about 100 μm.
    • 本发明的压力传感器封装包括压力传感器,该压力传感器包括设置在半导体衬底内的空腔,其中该腔体上方的区域包括隔膜部分; 多个压敏元件,其中每个压敏元件的至少一部分设置在隔膜部分上; 以及与所述空腔侧向间隔开并电连接到所述压敏元件的多个导电部分,布置在所述导电部分上并电连接到所述导电部分的多个导电凸块,其中所述半导体衬底的总​​厚度D 1, 隔膜部分的厚度D 2,空腔的厚度D 3和厚度D 4 = D 1-(D 2+ D 3)满足关系式(D 2+ D 3)在约5的范围内 -20μm,D 1不小于约100μm。
    • 100. 发明申请
    • CHEMICALLY AMPLIFIED RESIST COMPOSITION
    • US20080176168A1
    • 2008-07-24
    • US11961867
    • 2007-12-20
    • Kaoru ArakiSatoshi YamaguchiSatoshi Yamamoto
    • Kaoru ArakiSatoshi YamaguchiSatoshi Yamamoto
    • G03F7/004
    • G03F7/0045G03F7/0046G03F7/0397
    • A chemically amplified resist composition comprising: (A) a salt represented by the formula (I): wherein R21 represents a C1-C30 hydrocarbon group which may be substituted, and at least one —CH2— in the hydrocarbon group may be substituted by —CO— or —O—, Q1 and Q2 each independently represent a fluorine atom or a C1-C6 perfluoroalkyl group, and A+ represents at least one organic cation selected from a cation represented by the formula (Ia): wherein P1, P2 and P3 each independently represent a C1-C30 alkyl group which may be substituted with at least one selected from a hydroxyl group, a C3-C12 cyclic hydrocarbon group and a C1-C12 alkoxy group, or a C3-C30 cyclic hydrocarbon group which may be substituted with at least one selected from a hydroxyl group and a C1-C12 alkoxy group, a cation represented by the formula (Ib): wherein P4 and P5 each independently represent a hydrogen atom, a hydroxyl group, a C1-C12 alkyl group or a C1-C12 alkoxy group, and a cation represented by the formula (Ic): wherein P10, P11, P12, P13, P14, P15, P16, P17, P18, P19, P20 and P21 each independently represent a hydrogen atom, a hydroxyl group, a C1-C12 alkyl group or a C1-C12 alkoxy group, B represents a sulfur or oxygen atom and m represents 0 or 1, (B) a salt represented by the formula (II): A′+−O3S-Q3   (II) wherein Q3 represents a C1-C10 perfluoroalkyl group or a C4-C8 perfluorocycloalkyl group, and A′+ represents an organic cation represented by the formula (IIa): wherein P6 and P7 each independently represent a C1-C12 alkyl group or a C3-C12 cycloalkyl group, or P6 and P7 are bonded to form a C3-C12 divalent acyclic hydrocarbon group which forms a ring together with the adjacent S+, and at least one —CH2— in the divalent acyclic hydrocarbon group may be substituted with —CO—, —O— or —S—, P8 represents a hydrogen atom, P9 represents a C1-C12 alkyl group, a C3-C12 cycloalkyl group or an aromatic group which may be substituted, or P8 and P9 are bonded to form a divalent acyclic hydrocarbon group which forms a 2-oxocycloalkyl group together with the adjacent —CHCO—, and at least one —CH2— in the divalent acyclic hydrocarbon group may be replaced with —CO—, —O— or —S—; and (C) a resin which contains a structural unit having an acid-labile group and which itself is insoluble or poorly soluble in an aqueous alkali solution but becomes soluble in an aqueous alkali solution by the action of an acid.