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    • 63. 发明授权
    • Angular position detection device having linear output characteristics
    • 具有线性输出特性的角位置检测装置
    • US06501265B2
    • 2002-12-31
    • US09811577
    • 2001-03-20
    • Tsutomu NakamuraToshihisa IshiharaKenji TakedaYoshiyuki Kono
    • Tsutomu NakamuraToshihisa IshiharaKenji TakedaYoshiyuki Kono
    • G01B714
    • G01D5/145
    • An angular position detection device has a rotor that comprises two magnets and a primary yoke, and a stator that comprises a pair of auxiliary yokes and a magnetism detection element. The rotor is fixed to a rotary shaft of an object to be detected. The primary yoke forms a magnetic circuit in a ring, and the magnets are configured so that the intensity distribution of the magnetic field is asymmetric with respect to the center of rotation of the rotor. The magnetism detection element is placed in a gap between the auxiliary yokes. This stator is disposed in the inside of the rotor so that an air gap between the rotor and the stator varies gradually in the circumferential direction. Thus, the magnetism detection element is enabled to produce a linear output over a range wider than 180°.
    • 角位置检测装置具有包括两个磁体和一个主磁轭的转子,以及包括一对辅助磁轭和磁性检测元件的定子。 转子固定在待检测物体的旋转轴上。 主轭在环中形成磁路,并且磁体被配置为使得磁场的强度分布相对于转子的旋转中心是不对称的。 磁性检测元件被放置在辅助轭之间的间隙中。 该定子配置在转子的内部,使得转子和定子之间的气隙在圆周方向上逐渐变化。 因此,磁检测元件能够在宽于180°的范围内产生线性输出。
    • 64. 发明授权
    • Pneumatic radial tire for motorcycle
    • 气动子午线轮胎
    • US06276415B1
    • 2001-08-21
    • US09226127
    • 1999-01-07
    • Tsutomu Nakamura
    • Tsutomu Nakamura
    • B60C11113
    • B60C11/0309B60C9/22B60C11/0304B60C11/0311B60C11/13B60C11/1369B60C2009/2271B60C2200/10
    • A pneumatic radial tire for motorcycle comprises a belt containing cords extended substantially in a circumferential direction of a tread and has a directional tread pattern defined by plural main slant grooves having a given inclination angle with respect to the circumferential direction and extending from a tread center up to a tread shoulder region and a slant sub-groove arranged between the slant main grooves and having an inclination angle smaller than that of the slant main groove, in which the slant main groove has a given width in connection with a periphery length between both ends of the tread at a particular posture under a given air pressure; a main portion of the slant sub-groove is terminated so as not to open into the slant main groove and has given groove width, length in the circumferential direction of the tread, and depth.
    • 一种用于摩托车的充气子午线轮胎包括一条带,其基本上沿胎面的圆周方向延伸的帘线,并且具有由相对于圆周方向具有给定倾斜角的多个主倾斜槽限定的方向性胎面花纹,并且从胎面中心向上延伸 胎面肩部区域和倾斜的副沟槽,其设置在倾斜的主沟槽之间,并且具有比倾斜的主沟槽的倾斜角小的倾斜角度,其中倾斜的主槽与两端之间的周长相关联地具有给定的宽度 在给定的空气压力下的特定姿势的胎面; 倾斜副槽的主要部分被端接,以便不向斜主槽开放,并且具有槽宽度,胎面圆周方向上的长度和深度。
    • 69. 发明授权
    • High strength bonding tool and a process for the production of the same
    • 高强度粘合工具及其生产工艺
    • US5653376A
    • 1997-08-05
    • US414787
    • 1995-03-31
    • Tsutomu NakamuraHiroshi KawauchiTetsuo Nakai
    • Tsutomu NakamuraHiroshi KawauchiTetsuo Nakai
    • B23K20/02B23K3/03H01L21/603
    • B23K20/025H01L2924/0002
    • The present invention provides a thermocompression tool, i.e. high strength bonding tool used for mounting a semiconductor device or element such as IC, LSI, etc. on a substrate, for example, a tool of pulse heating type used for soldering, and a mounting tool (bonding tool). The tool is used for heating, melting and bonding or thermocompression bonding in a lump a number of workpieces to be bonded, making up a part of electronic parts, in particular, a high precision tool called outer lead bonding tool. The high strength bonding tool has a substrate that is composed of a cemented carbide having microscopic protrusions of hard carbides and/or hard carbonitrides on at least one surface and having a coefficient of linear expansion of 4.0.times.10.sup.-6 to 5.5.times.10.sup.-6 /.degree.C. at room temperature to 400.degree. C. Furthermore, a polycrystalline diamond coating is formed on the surface having microscopic protrusions by a gaseous phase synthesis method, the surface coated with the polycrystalline diamond coating being used as a tool end surface.
    • 本发明提供一种热压工具,即用于将诸如IC,LSI等的半导体器件或元件安装在基板上的高强度焊接工具,例如用于焊接的脉冲加热型工具,以及安装工具 (接合工具)。 该工具用于加热,熔化和粘合或热压接在一起的多个待接合的工件,构成电子部件的一部分,特别是称为外引线接合工具的高精度工具。 高强度粘合工具具有基材,该基材由在至少一个表面上具有硬质碳化物和/或硬质碳氮化物的微观突起的硬质合金构成,线膨胀系数为4.0×10 -6至5.5×10 -6 /℃ C.在室温至400℃下进行。此外,通过气相合成法在具有微观突起的表面上形成多晶金刚石涂层,涂覆有多晶金刚石涂层的表面用作工具端面。
    • 70. 发明授权
    • Silicone rubber roll
    • 硅橡胶卷
    • US5582885A
    • 1996-12-10
    • US247190
    • 1994-05-20
    • Tsutomu NakamuraSatao Hirabayashi
    • Tsutomu NakamuraSatao Hirabayashi
    • B41J11/04B29K83/00B29L31/32C08G77/34C08K3/36C08L83/04G03G15/20B32B1/08B25F1/00
    • G03G15/2057C08G77/34C08L83/04C08G77/12C08G77/20C08G77/24C08G77/26C08G77/70Y10T428/1355Y10T428/1397Y10T428/31663
    • A silicone rubber roll is characteristically prepared on a metallic center by forming a layer of the cured product of a silicone rubber composition which comprises (A) organopolysiloxane, in which the total amount of low molecular weight siloxanes having a degree of polymerization ranging from 3 to 20 is controlled to be at most 10,000 ppm, (B) reinforcing silica powder with a specific surface area of at least 50 m.sup.2 /g, (C) silicone elastomer particles with an average particle size of 200 .mu.m, in which the total amount of low molecular weight siloxanes having a degree of polymerization ranging from 3 to 20 is 2,000 ppm or less, and (D) a curing agent. The total amount of low molecular weight siloxanes having a degree of polymerization ranging from 3 to 20 within the cured product layer is controlled to be 2,000 ppm or less, since the elimination of the low molecular weight siloxanes having a degree of polymerization ranging from 3 to 20 proceeds effectively during the processes of the silicone rubber composition preparation, forming, and curing. Therefore, the obtained roll is extremely useful for various types of rolls utilized in copying machines which particularly need to avoid the low molecular weight siloxanes.
    • 通过形成硅橡胶组合物的固化产物层,在金属中心上形成硅橡胶辊,该硅橡胶组合物包含(A)有机聚硅氧烷,其中聚合度为3〜3的低分子量硅氧烷的总量为 20的比例控制在10000ppm以下,(B)比表面积为50m 2 / g以上的增强二氧化硅粉末,(C)平均粒径200μm的硅氧烷弹性体粒子,其中, 的聚合度为3〜20的低分子量硅氧烷为2,000ppm以下,(D)固化剂。 将固化产物层内聚合度为3〜20的低分子量硅氧烷的总量控制在2000ppm以下,由于消除聚合度为3〜3的低分子量硅氧烷, 20在硅橡胶组合物制备,成型和固化过程中有效地进行。 因此,所得到的辊对于特别需要避免低分子量硅氧烷的复印机中使用的各种辊非常有用。