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    • 32. 发明授权
    • Reference frequency source oscillator formed from first and second
containers
    • 由第一和第二容器形成的参考频率源振荡器
    • US5949294A
    • 1999-09-07
    • US932355
    • 1997-09-17
    • Shuji KondoYuki SatohMitsuo SuzukiAkio Kimura
    • Shuji KondoYuki SatohMitsuo SuzukiAkio Kimura
    • H03B5/32H01L23/58H03H9/05H03H9/10
    • H03H9/1014H01L23/58H03H9/0547H03H9/1021H01L2224/48091H01L2224/48227H01L2224/73265H01L2924/09701H01L2924/3025
    • An oscillator in which organic substances derived from an active element fixing adhesive do not deposit on an oscillating element and in which when the active element or the oscillating element is damaged, other good parts that are not defective can be reused. In the oscillator, an active element 2 is mounted inside a first container 1 whose upper surface is opened, and not only the opening of the first container 1 is closed by an oscillating unit 3 having an oscillating element 6 incorporated therein, but also the oscillating unit 3 is attached onto the opening of the first container 1, so that second connecting electrodes 11a to 11d of a second container 5 of the oscillating unit 3 are electrically connected to first connecting electrodes 14a to 14d of the first container 1. As a result of this construction, the oscillating element and the active element can be accommodated in separate containers, which not only prevents organic substances derived from an active element fixing adhesive from being deposited on the oscillating element, but also parts that are not defective can be reused only by separating the first container from the second container if the active element or the oscillating element is damaged.
    • 其中有源元件固定粘合剂产生的有机物质不会沉积在振荡元件上的振荡器,而当有源元件或振荡元件损坏时,可以重复使用其他不缺陷的良好部件。 在振荡器中,有源元件2安装在其上表面打开的第一容器1的内部,不仅第一容器1的开口被具有并入其中的振荡元件6的振荡单元3封闭,而且摆动 单元3附接到第一容器1的开口,使得振荡单元3的第二容器5的第二连接电极11a至11d与第一容器1的第一连接电极14a至14d电连接。结果 这种结构的振动元件和有源元件可以容纳在分开的容器中,这不仅可以防止源自有源元件固定粘合剂的有机物质沉积在振荡元件上,而且还可以仅重新使用不缺陷的部件 如果有源元件或振荡元件损坏,则将第一容器与第二容器分开。
    • 34. 发明授权
    • Polygon scanner and production process thereof
    • 多边形扫描仪及其生产工艺
    • US5574591A
    • 1996-11-12
    • US383929
    • 1995-02-06
    • Mitsuo SuzukiYukio ItamiYoshio HashimotoKoji TsukaharaYoshihiro TakahashiTakao Abe
    • Mitsuo SuzukiYukio ItamiYoshio HashimotoKoji TsukaharaYoshihiro TakahashiTakao Abe
    • F16C17/02F16C33/10G02B7/182G02B26/12H02K5/16H02K7/09H02K21/24H02K29/06G02B26/08
    • F16C33/107F16C17/026G02B26/121G02B7/1821H02K21/24H02K29/06H02K5/1677H02K7/09Y10S359/90
    • A polygon scanner has a lighter rotating shaft on which a polygon mirror is mounted, to prevent a positional deviation of the polygon mirror from the rotating shaft in high speed rotation, in which the rotating shaft is supported through a dynamic pressure air bearing on a fixed shaft, in which the polygon mirror and motor constituent members are mounted on the rotating shaft, and in which the rotating shaft and the polygon mirror are made of respective light weight materials matched with each other in coefficient of thermal expansion, for example of aluminum or an aluminum alloy. Further, an anodic oxide film is formed at least on a portion where the rotating shaft could contact with the fixed shaft, and floating means is provided for constantly floating the rotating shaft relative to the fixed shaft upward in an axial direction thereof. A process for producing the polygon scanner comprises making a predetermined masking on a portion where the rotating shaft could contact with the fixed shaft, prior to an anodic oxidation treatment to form an anodic oxide film on the portion, and then performing the anodic oxidation treatment, whereby, during the treatment, forming an anodic oxide film and a pattern of recesses and protrusions for dynamic pressure generation corresponding to a pattern of the masking, which are constituent elements of a dynamic pressure air bearing.
    • 多边形扫描器具有安装有多面镜的较轻的旋转轴,以防止多角镜从高速旋转中的旋转轴的位置偏离,其中旋转轴通过动态压力空气轴承支撑在固定的 轴,其中多面镜和电动机构成部件安装在旋转轴上,并且其中旋转轴和多面镜由相对于热膨胀系数彼此匹配的各种重量轻的材料制成,例如铝或 铝合金。 此外,至少在旋转轴可以与固定轴接触的部分上形成阳极氧化膜,并且设置有浮动装置,用于使旋转轴相对于固定轴在轴向上向上上升。 多边形扫描仪的制造方法,在阳极氧化处理之前,在旋转轴可以与固定轴接触的部分上进行规定的掩模,在该部分上形成阳极氧化膜,然后进行阳极氧化处理, 由此,在处理过程中,形成阳极氧化膜和用于动压产生的凹凸图案,其对应于作为动压空气轴承的组成元件的掩模图案。
    • 35. 发明授权
    • Optical deflector of air bearing type
    • 空气轴承类型的光学偏转器
    • US5069515A
    • 1991-12-03
    • US584615
    • 1990-09-19
    • Yukio ItamiMitsuo SuzukiTeruo OhneKenichi HoshiEiri SagaeYoshio Hashimoto
    • Yukio ItamiMitsuo SuzukiTeruo OhneKenichi HoshiEiri SagaeYoshio Hashimoto
    • G02B26/12
    • G02B26/121F16C17/026F16C32/0427
    • An optical deflector of an air bearing type has a fixed shaft; a rotary shaft having a hollow portion fitted onto the fixed shaft; a support device disposed between an end portion of the fixed shaft and an end portion of the hollow portion opposite thereto and supporting the rotary shaft in an axial direction thereof; a radial air bearing formed between an inner circumferential face of the hollow portion and an outer circumferential face of the fixed shaft; a polygon mirror fixed to the rotary shaft; a driving device for rotating the rotary shaft; a device for deflecting light irradiated onto the polygon mirror by rotating the rotary shaft through the driving device; a device for forming a flange for fixing the polygon mirror thereto integrally with the rotary shaft; and a device for setting an upper end portion of the support device on a fixed shaft side thereof to be lower than an upper end face of the polygon mirror. The support device has a first magnet directly attached onto an end face of the fixed shaft, a second magnet opposite to the first magnet and attached to the hollow portion of the rotary shaft, and a third magnet opposite to the second magnet and attached to a casing for covering the polygon mirror. Magnetic poles of the first, second and third magnets are opposite to each other to generate magnetic repulsive force.
    • 空气轴承型光偏转器具有固定轴; 具有安装在所述固定轴上的中空部的旋转轴; 支撑装置,其设置在所述固定轴的端部和与所述固定轴的端部相对的中空部的端部之间,并且沿其轴向方向支撑所述旋转轴; 形成在所述中空部的内周面与所述固定轴的外周面之间的径向空气轴承; 固定在旋转轴上的多面镜; 用于旋转所述旋转轴的驱动装置; 用于通过驱动装置旋转旋转轴来偏转照射到多面镜上的光的装置; 用于形成用于将所述多角镜固定到所述旋转轴上的凸缘的装置; 以及用于将固定轴侧的支撑装置的上端部设定为低于多面镜的上端面的装置。 支撑装置具有直接附接到固定轴的端面上的第一磁体,与第一磁体相对的第二磁体并且附接到旋转轴的中空部分,以及与第二磁体相对的第三磁体,并附接到第一磁体 用于覆盖多面镜的外壳。 第一,第二和第三磁体的磁极彼此相对以产生磁性排斥力。