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    • 56. 发明授权
    • Thermoplastic resin composition having low permittivity, prepreg, laminated plate and laminated material for circuit using the same
    • 具有低介电常数的热塑性树脂组合物,预浸料,层压板和使用其的电路层压材料
    • US06492030B1
    • 2002-12-10
    • US09647217
    • 2000-09-28
    • Takeshi HashimotoMasaharu KobayashiTakeshi SatoDaisuke Orino
    • Takeshi HashimotoMasaharu KobayashiTakeshi SatoDaisuke Orino
    • B32B904
    • H05K1/0346C08G73/10C08G73/1039C08G73/106C08G73/1064C08G73/12C08G73/125H01B3/306H01B3/465Y10T428/31663Y10T428/31721
    • The present invention relates to a thermosetting low dielectric resin composition, a laminate for use in printed wiring, a laminate for a circuit, and the like. The present invention's thermosetting low dielectric resin composition contains a specific siloxane denatured polyimide, a compound having two or more allyl or methylallyl groups, and a compound having two or more maleimide groups. This resin composition adheres extremely well to metals with a low dielectric constant and low dielectric dissipation factor, and demonstrates very little scattering of the resin during operational processes like punching or cutting. By using laminates or laminates for circuits that employ this resin composition, electrical signals can be propagated more quickly, enabling signals to be processed at faster speeds. In addition, the present invention can be applied to the formation of miniaturized circuit wiring, and is suitably employed in electronic devices employed in the high frequency region, and, in particular, in electronic devices that must be made smaller and lighter in weight.
    • 本发明涉及一种热固性低电介质树脂组合物,用于印刷布线的叠层体,电路用层压体等。 本发明的热固性低介电性树脂组合物含有特定的硅氧烷改性聚酰亚胺,具有2个以上烯丙基或甲基烯丙基的化合物和具有2个以上马来酰亚胺基的化合物。 该树脂组合物非常好地粘附在具有低介电常数和低介电损耗因子的金属上,并且在诸如冲压或切割的操作过程中表现出非常小的树脂散射。 通过对采用这种树脂组合物的电路使用层压板或层压板,可以更迅速地传播电信号,从而能够以更快的速度处理信号。 此外,本发明可以应用于形成小型化的电路布线,并且适用于在高频区域中使用的电子设备中,特别是在必须制造得更小更轻的电子设备中。
    • 58. 发明授权
    • Focus control apparatus for multilayer optical recording medium
    • 用于多层光记录介质的聚焦控制装置
    • US06246646B1
    • 2001-06-12
    • US09114880
    • 1998-07-14
    • Hiroyuki AbeShinichi NaoharaTakeshi SatoAlex BradshawKazushige KawanaHideaki WatarihanaNorio MatsudaKenichi Takahashi
    • Hiroyuki AbeShinichi NaoharaTakeshi SatoAlex BradshawKazushige KawanaHideaki WatarihanaNorio MatsudaKenichi Takahashi
    • G11B709
    • G11B7/08511G11B7/0948G11B2007/0013
    • A focus control apparatus for a multilayer optical recording medium performs an adequate focus jump on a multilayer optical recording medium. Threshold values are set according to the amount of a level change in a focus error signal of a loaded multilayer optical recording medium, and focus jump control is conducted based on the result of comparison between the level of the focus error signal and the set threshold values. Positive and negative threshold values to be compared with the level of the focus error signal to detect a zero-crossing point of the focus error signal are set in accordance with the amount of a level change in the focus error signal, after which an acceleration operation of the focus actuator is started in response to a focus jump instruction to shift the focus position of read light for a focus jump, the acceleration operation is stopped in accordance with zero-crossing detection, a deceleration operation of the focus actuator is started thereafter and is stopped in accordance with zero-crossing detection, so that the operation returns to the focus servo operation.
    • 用于多层光学记录介质的聚焦控制装置在多层光学记录介质上执行适当的聚焦跳跃。 根据加载的多层光学记录介质的聚焦误差信号中的电平变化量设定阈值,并且基于聚焦误差信号的电平与设定的阈值之间的比较结果进行聚焦跳跃控制 。 根据聚焦误差信号的电平变化量,设定要与聚焦误差信号的电平进行比较以检测聚焦误差信号的过零点的正和负阈值,然后加速操作 响应于聚焦跳转指令开始移动聚焦跳跃的读取光的焦点位置,根据过零检测停止加速操作,此后开始聚焦致动器的减速操作,并且 根据过零检测停止,使得操作返回到聚焦伺服操作。
    • 60. 发明授权
    • Splashproof construction for portable type electronic device
    • 便携式电子设备防溅结构
    • US5665485A
    • 1997-09-09
    • US459830
    • 1995-06-02
    • Tatsuo KuwayamaIsamu SekineTatsuya OkawaTakeshi SatoRyuichi Takahashi
    • Tatsuo KuwayamaIsamu SekineTatsuya OkawaTakeshi SatoRyuichi Takahashi
    • H01M2/10
    • H01M2/1055
    • A splashproof construction for a portable electronic device, comprising an electronic device main unit, and a battery pack to be mounted on the electronic device main unit, whereby one of either the electronic device main unit or the battery pack has a boundary surface formed along a combined surface and a peripheral edge and with a graded step with respect to the combined surface, and a guide rail provided adjacent to the boundary surface, and the other of either the electronic device main unit or the battery pack has a peripheral wall aligned with the boundary surface and a guide groove to be slidably engaged with the guide rail, or a bottom wall of the peripheral wall has a notch abutting on a lower surface of the graded step on the boundary surface, or a water-repellent sheet is provided at the bottom of the guide groove, or a seal plate made of a highly elastic material is provided either on an end surface of the battery pack abutted on the electronic device main unit at an end point of sliding when the battery pack is slid and mounted or on an abutment surface of the electronic device main unit in contact with the end surface.
    • 一种用于便携式电子设备的防溅结构,包括电子设备主单元和要安装在电子设备主单元上的电池组,其中电子设备主单元或电池组中的一个具有沿着 组合表面和外围边缘,并且相对于组合表面具有渐变台阶,以及邻近边界表面设置的导轨,并且电子设备主单元或电池组中的另一个具有与 边界面和与导轨可滑动地接合的引导槽,或者周壁的底壁具有邻接在分界面的分级台阶的下表面上的切口,或者在该边界面处设置防水片 引导槽的底部或由高弹性材料制成的密封板设置在电池组件的与电子设备主单元抵接的端部的端面上 当电池组滑动并安装在电子装置主体的与端面接触的邻接表面上时滑动。