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    • 2. 发明申请
    • Recordable optical disc and method for manufacturing a mother disc thereof
    • 可记录光盘及其母盘的制造方法
    • US20050190686A1
    • 2005-09-01
    • US10788359
    • 2004-03-01
    • Wu-Hsuan HoChung-Ping WangYi-Chen Chung
    • Wu-Hsuan HoChung-Ping WangYi-Chen Chung
    • G11B7/007G11B7/24G11B7/26
    • G11B7/24082G11B7/261
    • A recordable optical disc and a method for manufacturing a mother disc thereof are proposed. The recordable optical disc comprises a substrate with a spiral groove wobbled in a fixed period. The recordable optical disc is characterized in that the spiral groove has a plurality of transient side-wobble regions not in the wobble period and used as recording regions of address data. In the method of manufacturing a mother disc of the optical disc, a spiral groove is first formed on a mother disc substrate by using an etching source wobbling in a fixed period. A transient side-wobble not in the wobble period is inserted between several wobble periods to form a spiral groove having transient side-wobble regions on the mother disc substrate. The stability of manufacture of the mother disc can thus be greatly enhanced, and the PI error rate of the optical disc can be lowered.
    • 提出了可记录光盘及其母盘的制造方法。 可记录光盘包括在固定周期内摆动的螺旋槽的基板。 可记录光盘的特征在于,螺旋槽具有不在摆动周期中的多个瞬态侧摆动区域,并且用作地址数据的记录区域。 在制造光盘的母盘的方法中,首先通过在固定时间内使用蚀刻源摆动在母盘基板上形成螺旋槽。 在摆动周期之间插入不在摆动周期内的瞬时侧摆,以在母盘基板上形成具有瞬时侧摆动区域的螺旋槽。 因此,能够大幅提高母盘的制造稳定性,能够降低光盘的PI误差率。
    • 6. 发明授权
    • Heat-dissipating device with grounding capability
    • 具有接地能力的散热装置
    • US06643137B1
    • 2003-11-04
    • US10318144
    • 2002-12-13
    • Yi-Chen ChungHsuan-Cheng WangI-Sung Huang
    • Yi-Chen ChungHsuan-Cheng WangI-Sung Huang
    • H05K720
    • H01L23/367H01L23/4006H01L23/552H01L2924/0002H01L2924/00
    • A heat-dissipating device is adapted for use with a multi-layer circuit board having a grounding layer and that has an electronic component mounted thereon. The heat-dissipating device includes a heat-dissipating member, a grounding member and a connecting member. The heat-dissipating member is adapted to be disposed on a heat-radiating side of the electronic component. The grounding member includes a grounding tail and a grounding body connected to the grounding tail. The grounding tail is adapted to pass through the circuit board to connect electrically with the grounding layer and to dispose the grounding body between the heat-dissipating member and the circuit board. The connecting member interconnects the heat-dissipating member and the grounding member, and is adapted to be secured on the circuit board. The connecting member cooperates with the grounding member to make electrical connection between the heat-dissipating member and the grounding layer of the circuit board.
    • 散热装置适用于具有接地层的多层电路板,并且其上安装有电子部件。 散热装置包括散热构件,接地构件和连接构件。 散热构件适于设置在电子部件的散热侧。 接地构件包括接地尾和连接到接地尾的接地体。 接地尾部适于通过电路板与接地层电连接,并将接地体设置在散热构件和电路板之间。 连接构件将散热构件和接地构件互连,并且适于固定在电路板上。 连接构件与接地构件配合,以在散热构件和电路板的接地层之间形成电连接。