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    • 2. 发明授权
    • Pyrolytic boron nitride container, and manufacture thereof
    • 热解氮化硼容器及其制造
    • US5925429A
    • 1999-07-20
    • US901167
    • 1997-07-28
    • Noboru KimuraTakuma KushihashiAkira Satoh
    • Noboru KimuraTakuma KushihashiAkira Satoh
    • B32B7/02B28B1/30C01B21/064C04B35/583C04B41/87C23C16/38C30B11/00C30B29/40B01L3/04
    • C04B35/583C30B11/002Y10T428/131Y10T428/1314
    • There is disclosed a pyrolytic boron nitride container used for a Boat method in which material melt is retained In the container, and a crystal is grown while a temperature gradient is imparted to the material melt. The transmissivity of the pyrolytic boron nitride container with respect to light at a wave number ranging from 3700 cm.sup.-1 to 6500 cm.sup.-1 has a profile such that the transmissivity monotonously changes in the longitudinal direction of the container. The transmissivity profile is produced by imparting a pressure profile during manufacture of the container through deposition of pyrolytic boron nitride, by roughing the outer surface of the container such that the surface roughness has a profile, or by compounding pyrolytic boron nitride with a different material. It becomes possible to facilitate generation of a temperature gradient in material melt within the container and to facilitate control of a temperature profile in the container.
    • 公开了一种用于Boat方法的热解氮化硼容器,其中保留材料熔体在容器中,并且在向材料熔体赋予温度梯度的同时生长晶体。 热解氮化硼容器相对于波数为3700cm -1至6500cm -1的光的透射率具有轮廓,使得透光率在容器的纵向上单调变化。 通过在容器的外部表面粗糙化,使得表面粗糙度具有轮廓,或者通过将热解氮化硼与不同材料混合,通过沉积热解氮化硼在制造容器期间施加压力分布来产生透射率曲线。 容易产生容器内的材料熔体的温度梯度并有利于控制容器中的温度分布。
    • 3. 发明授权
    • Vibratory gyroscope
    • 振动陀螺仪
    • US5912524A
    • 1999-06-15
    • US997248
    • 1997-12-23
    • Kazumasa OhnishiAkira SatohYoshiro Tomikawa
    • Kazumasa OhnishiAkira SatohYoshiro Tomikawa
    • G01C19/5607H01L41/08
    • G01C19/5607
    • A vibratory gyroscope including an elongated vibrator having a central (neutral) axis (Y-axis), a drive unit for deforming the first direction such that the vibrator vibrates in a first (X) direction, an added mass attached to the vibrator at a position offset from the central axis in a second (Z) direction, and a detector formed on the vibrator. Rotation of the vibratory gyroscope about the second (Z) direction during vibration in the second direction causes Coriolis force to acting on the added mass in a direction parallel to the central axis. Because the added mass is offset from the central axis, a resulting vibration in the second (Z) direction is produced, which is detected by the detector. With this arrangement, the central axis of the vibrator is placed in parallel with the surface of rotation of the rotating system. Thus, rotations about two or three axes in each direction can be detected in such a manner that noise generation is prevented.
    • 一种振动陀螺仪,包括具有中心(中性)轴(Y轴)的细长振动器,用于使第一方向变形的驱动单元,使得振动器以第一(X)方向振动,附加到振动器的附加质量 位置偏离第二(Z)方向的中心轴线,以及形成在振动器上的检测器。 在第二方向的振动期间,振动陀螺仪围绕第二(Z)方向的旋转导致科里奥利力在平行于中心轴线的方向上作用于添加的质量。 由于添加的质量偏离中心轴,所以产生第二(Z)方向产生的振动,由检测器检测。 利用这种布置,振动器的中心轴线与旋转系统的旋转表面平行放置。 因此,可以以防止噪声产生的方式来检测每个方向上大约两个或三个轴的旋转。
    • 7. 发明授权
    • Multilayer ceramic chip capacitor
    • 多层陶瓷片式电容器
    • US5319517A
    • 1994-06-07
    • US38695
    • 1993-03-29
    • Takeshi NomuraYukie NakanoAkira SatohAtsushi Hitomi
    • Takeshi NomuraYukie NakanoAkira SatohAtsushi Hitomi
    • H01G4/12H01G7/00
    • H01G4/1245Y10T29/417Y10T29/435
    • The invention provides a multilayer ceramic chip capacitor having internal electrodes and dielectric layers, wherein a dielectric material containing a dielectric oxide having a composition of the following formula:[(Ba.sub.1-x-y Ca.sub.x Sr.sub.y)O].sub.m (Ti.sub.1-z Zr.sub.z)O.sub.2wherein 0.ltoreq.x.ltoreq.0.25, 0.ltoreq.y.ltoreq.0.05, 0.1.ltoreq.z.ltoreq.0.3, and 1.000.ltoreq.m.ltoreq.1.020 and having added thereto an oxide of Mn and/or a compound which converts to the oxide upon firing in an amount of 0.01 to 0.5% by weight calculated as oxide (MnO), an oxide of Y and/or a compound which converts to the oxide upon firing in an amount of 0.05 to 0.5% by weight calculated as oxide (Y.sub.2 O.sub.3), an oxide of V and/or a compound which converts to the oxide upon firing in an amount of 0.005 to 0.3% by weight calculated as oxide (V.sub.2 O.sub.5), and an oxide of W and/or a compound which converts to the oxide upon firing in an amount of 0.005 to 0.3% by weight calculated as oxide (WO.sub.3), and an internal electrode-forming material in the form of Ni or a Ni alloy are successively layered and fired. The multilayer ceramic chip capacitor allows for low-temperature firing and has a long accelerated life of insulation resistance.
    • 本发明提供一种具有内部电极和电介质层的多层陶瓷片状电容器,其中包含具有下式的组成的电介质氧化物的介电材料:[(Ba1-x-yCaxSry)O] m(Ti1-zZrz)O2其中0 其中添加了Mn和/或其中的氧化物,其中, 以氧化物(MnO)计为0.01〜0.5重量%,Y的氧化物和/或以烧成后氧化物的化合物的0.05〜0.5质量%的化合物, 以氧化物(Y 2 O 3)计的氧化物,和/或以烧成后氧化物转化为氧化物的化合物,其氧化物(V 2 O 5)计为0.005〜0.3重量%,W和/或 以氧化物(WO3)计算的0.005〜0.3重量%的煅烧转化为氧化物的化合物和Ni或Ni合金形式的内部电极形成材料依次为l 点燃和开火。 该多层陶瓷片式电容器允许低温烧制并具有长的加速寿命的绝缘电阻。