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    • 81. 发明申请
    • Process for producing resin model and process of lost wax precision casting with the resin model
    • 用树脂模型生产树脂模型和失蜡精密铸造工艺
    • US20070158870A1
    • 2007-07-12
    • US10586637
    • 2004-01-23
    • Hidekazu SuzukiAkio SaitoTaro Kita
    • Hidekazu SuzukiAkio SaitoTaro Kita
    • B29C33/40
    • B29C41/04B22C7/02B22C9/04B22C9/10B29C41/22B29C67/241
    • A process for producing a resin model for use in lost wax precious casting, comprising at least a hardened resin layer forming step of injecting two-pack reaction hardening type urethane resin solution (A) of 1 to 3 minutes of a working life, through a casting port (4) of a resin model forming mold (2) furnished with internal space (3) whose configuration is identical with that of product, into the internal space (3) in a volume amounting to 5 to 20% of the volume of the internal space (3), closing the casting port (4) and rotating the resin model forming mold (2); a resin model forming step of repeating the hardened resin layer forming step 3 to 6 times at intervals of 3 to 4 minutes so as to effect laminating of hardened resin layers (11), thereby obtaining resin model (12) having internal space (30) provided at a core region thereof; and a demolding the resin model (12) from the resin model forming mold (2).
    • 一种制造用于失蜡珍贵铸件的树脂模型的方法,至少包括通过以下步骤注入双组分反应硬化型聚氨酯树脂溶液(A)1至3分钟的硬化树脂层形成步骤: 将具有与产品相同构造的内部空间(3)的树脂模型成形模具(2)的铸造口(4)以体积的5〜20%的体积分配到内部空间(3)中 内部空间(3),关闭铸造口(4)并旋转树脂模制成型模具(2); 树脂模型形成步骤,以3〜4分钟的间隔重复硬化树脂层形成工序3〜6次,以实现硬化树脂层(11)的层压,从而获得具有内部空间(30)的树脂模型(12) 设置在其核心区域; 以及从树脂模制成型模具(2)将树脂模型(12)脱模。
    • 84. 发明授权
    • Disc drive having feed chassis supporting members
    • 盘式驱动器具有进给底盘支撑构件
    • US06693868B2
    • 2004-02-17
    • US09738711
    • 2000-12-15
    • Akio Saito
    • Akio Saito
    • G11B3308
    • G11B17/056G11B33/08G11B33/14
    • A disc drive includes a casing having a bottom cover and an outer cover, a disc tray which supports an optical disc thereon and is movable with respect to the casing between a disc eject position and a disc reproducing position, a loading chassis for supporting and guiding the disc tray, a feed chassis on which a turntable and an optical pick-up are provided, the feed chassis being pivotally displaceable between a raised position for reproducing the disc and a lowered position lower than the raised position, and a main circuit board having a roughly rectangular shape and having various electrical elements for driving and controlling the disc drive. The loading chassis is designed such that it is arranged on a roughly front-half part of the bottom cover, and the main circuit board is designed such that it is arranged on a roughly rear-half part.
    • 磁盘驱动器包括具有底盖和外盖的壳体,在其上支撑光盘并且可在盘弹出位置和盘重放位置之间相对于壳体移动的盘托盘,用于支撑和引导的装载底盘 所述盘托盘,设置有转盘和光学拾取器的进给底盘,所述进给底盘可在用于再现所述盘的升高位置和低于所述升高位置的降低位置之间枢转地移动;以及主电路板,其具有 大致矩形的形状,具有用于驱动和控制盘驱动器的各种电气元件。 装载底盘被设计成使其布置在底盖的大致前半部分上,并且主电路板被设计成使其布置在大致后半部分上。
    • 85. 发明授权
    • Composition for resist underlayer film and method for producing the same
    • 抗蚀剂下层膜用组合物及其制造方法
    • US06576393B1
    • 2003-06-10
    • US09545453
    • 2000-04-07
    • Hikaru SugitaAkio SaitoKinji YamadaMichinori NishikawaYoshihisa OhtaYoshiji Yuumoto
    • Hikaru SugitaAkio SaitoKinji YamadaMichinori NishikawaYoshihisa OhtaYoshiji Yuumoto
    • G03C173
    • G03F7/0751G03F7/09Y10S430/106Y10S430/115Y10S430/12Y10S430/122Y10S430/124Y10S430/126
    • Disclosed are a composition for a resist underlayer film excellent in reproducibility of a resist pattern, excellent in adhesion to a resist, excellent in resistance to a developing solution used after exposure of the resist and decreased in film loss in oxygen ashing of the resist; and a method for producing the same, the composition comprising: both or either of a hydrolysate and a condensate of (A) at least one compound selected from the group consisting of (A-1) a compound represented by the following general formula (1): R1aSi(OR2)4−a  (1) wherein R1 represents a hydrogen atom, a fluorine atom or a univalent organic group, R2 represents a univalent organic group, and a represents an integer of 0 to 2, and (A-2) a compound represented by the following general formula (2): R3b(R4O)3−bSi—(R7)d—Si(OR5)3−cR6c  (2) wherein R3, R4, R5 and R6, which may be the same or different, each represent univalent organic groups, b and c, which may be the same or different, each represent integers of 0 to 2, R7 represents an oxygen atom or —(CH2)n—, d represents 0 or 1, and n represents an integer of 1 to 6; and (B) a compound generating an acid by ultraviolet irradiation and/or heating.
    • 公开了抗蚀剂图案的再现性优异的抗蚀剂下层膜的组合物,对抗蚀剂的附着性优异,对抗蚀剂曝光后使用的显影液的耐受性优异,抗蚀剂的氧气灰化的膜损失降低; 及其制备方法,该组合物包含:(A)至少一种选自(A-1)由下列通式(1)表示的化合物的化合物的水解产物和缩合物: ):其中R1表示氢原子,氟原子或一价有机基团,R2表示一价有机基团,a表示0〜2的整数,(A-2)由以下通式( 2):其中可以相同或不同的R 3,R 4,R 5和R 6各自表示一价有机基团,b和c可以相同或不同,各自表示0-2的整数,R7表示氧 原子或 - (CH 2)n - ,d表示0或1,n表示1〜6的整数。 和(B)通过紫外线照射和/或加热产生酸的化合物。
    • 90. 发明授权
    • Magnetic head device with cleaning means for cleaning sliding surface
thereof
    • 具有用于清洁其滑动表面的清洁装置的磁头装置
    • US5383076A
    • 1995-01-17
    • US936093
    • 1992-08-26
    • Akio SaitoHideyuki Ikeda
    • Akio SaitoHideyuki Ikeda
    • G11B5/41
    • G11B5/41
    • A magnetic head has a sliding surface including a sliding portion for sliding on a magnetic recording medium. A head holder has a head holding portion for holding the magnetic head, and at least one guiding portion located in a side of and far apart from the magnetic head fixed on the holding portion. The guiding portion guides a running course of the magnetic recording medium, and the head holding portion and guiding portion are integral with the head holder. A cleaning device is provided with the head holder so as to be pivotable, and when the cleaning device is pivoted it slides so as to clean the sliding surface of the magnetic head.
    • 磁头具有包括用于在磁记录介质上滑动的滑动部分的滑动表面。 头部保持具有用于保持磁头的头部保持部分和位于固定在保持部分上的磁头的一侧并远离其的至少一个引导部分。 引导部分引导磁记录介质的运行过程,并且头部保持部分和引导部分与头部保持器成一体。 清洁装置设置有头部保持器以便可枢转,并且当清洁装置枢转时,其滑动以清洁磁头的滑动表面。