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    • 2. 发明申请
    • DISC REPRODUCING DEVICE
    • 光盘复制设备
    • WO1994029860A1
    • 1994-12-22
    • PCT/JP1994000900
    • 1994-06-03
    • KABUSHIKI KAISHA TOSHIBAAOYAMA, NoboruNAKANE, HiroshiONO, Takuro
    • KABUSHIKI KAISHA TOSHIBA
    • G11B17/04
    • G11B17/056
    • The present invention relates to a disc reproducing device constructed such that a tray storing a disc can be loaded in and/or unloaded from a cabinet. In this disc reproducing device, a motor mounted with a disc motor and a turn table is constructed so as to be moved between the tray and a mechanical unit inside the cabinet. The tray has a pair of recessed portions as portions for holding the motor mount. The mechanical unit has as portions for holding the motor mount respective projecting portions of a pair of guide shafts for supporting a pick-up, a pair of lock levers, and a pair of guide projections. The pair of lock levers is also used as means for moving the motor mount between the tray and the mechanical unit.
    • 盘再现装置技术领域本发明涉及一种盘再现装置,其被构造成使得可以将容纳盘的托盘装载到和/或从机柜卸载。 在该盘再现装置中,安装有盘马达和转台的马达被构造成在托盘和机柜内的机械单元之间移动。 托盘具有一对凹部作为用于保持马达座的部分。 机械单元具有用于保持电动机安装的一部分用于支撑拾取物,一对锁定杆和一对引导突起的一对引导轴的突出部分的部分。 所述一对锁定杆还用作在所述托盘和所述机械单元之间移动所述马达座的装置。
    • 3. 发明申请
    • REFLECTIVE PROJECTION EXPOSURE APPARATUS AND EXPOSURE METHOD
    • 反射投影曝光装置和曝光方法
    • WO2009069722A1
    • 2009-06-04
    • PCT/JP2008/071595
    • 2008-11-20
    • NIKON CORPORATIONONO, TakuroCHIBA, HiroshiKOMATSUDA, Hideki
    • ONO, TakuroCHIBA, HiroshiKOMATSUDA, Hideki
    • G03F7/20
    • G03F7/70233G03F7/702
    • A reflective projection optical system comprises a first optical unit G1 having at least one reflecting optical element, and a second optical unit G2 having at least one reflecting optical element. A focal point on the second surface side of the first optical unit G1 approximately agrees with a focal point on the first surface side of the second optical unit G2. An angle between a normal to the first surface R1 and a principal ray of the illumination beam IB incident to the first surface R1 is larger than a value of arcsine of a numerical aperture on the first surface R1 side of the reflective projection optical system. All the optical elements in the projection optical system are located outside an extension surface of a ray group defining an outer edge of the illumination beam IB incident to the first surface R1.
    • 反射投影光学系统包括具有至少一个反射光学元件的第一光学单元G1和具有至少一个反射光学元件的第二光学单元G2。 第一光学单元G1的第二表面侧上的焦点大致与第二光学单元G2的第一表面侧上的焦点一致。 第一表面R1的法线与入射到第一表面R1的照明光束IB的主光线之间的角度大于反射投影光学系统的第一表面R1侧的数值孔径的反正弦值。 投影光学系统中的所有光学元件位于限定入射到第一表面R1的照明光束IB的外边缘的光线组的延伸表面的外侧。