Dual mask process for making second pole piece layer of multiple write heads with high resolution narrow track width second pole tip
    72.
    发明授权
    Dual mask process for making second pole piece layer of multiple write heads with high resolution narrow track width second pole tip 失效
    双掩模工艺,用于制造具有高分辨率窄轨道宽度的第二极尖的多个写头的第二极片层

    公开(公告)号:US06655009B2

    公开(公告)日:2003-12-02

    申请号:US09878444

    申请日:2001-06-11

    Abstract: A method of fabricating a second pole piece layer of a write head is constructed using first and second photoresist layers which are sensitive to light with different bandwidths. The second photoresist layer, which is on top of the first photoresist layer, is light exposed with light that excludes light that would change the molecular structure of the first or bottom photoresist layer. After light exposure and development of the second photoresist layer to provide an opening for yoke and back gap portions of the second pole piece layer, the first photoresist layer is light exposed with light that includes the light excluded in the light exposure step of the second photoresist layer. The light exposure of the first photoresist layer and its developing provides the first photoresist layer with an opening for electroplating the second pole tip of the second pole piece layer. Since the first photoresist layer is significantly thinner, penetration of light during the light exposure step of the first photoresist layer has less dispersion and more accurately defines the width and location of the first and second side edges of the second pole tip which determines the track width of the write head.

    Abstract translation: 使用对具有不同带宽的光敏感的第一和第二光致抗蚀剂层构造制造写入头的第二极片层的方法。 位于第一光致抗蚀剂层顶部的第二光致抗蚀剂层被光曝光,该光不包括将改变第一或底部光致抗蚀剂层的分子结构的光。 在曝光和显影第二光致抗蚀剂层以提供第二极片层的磁轭和后间隙部分的开口之后,第一光致抗蚀剂层用包含在第二光致抗蚀剂的曝光步骤中排除的光的光曝光 层。 第一光致抗蚀剂层及其显影剂的曝光为第一光致抗蚀剂层提供了用于电镀第二极片层的第二极尖的开口。 由于第一光致抗蚀剂层显着更薄,所以在第一光致抗蚀剂层的曝光步骤期间的光的穿透具有较小的色散并且更精确地限定了确定轨道宽度的第二极尖的第一和第二侧边缘的宽度和位置 的写头。

    Compact optical circulator with three ports
    73.
    发明授权
    Compact optical circulator with three ports 失效
    具有三个端口的紧凑型光循环器

    公开(公告)号:US06476967B2

    公开(公告)日:2002-11-05

    申请号:US09985139

    申请日:2001-11-01

    CPC classification number: G02B5/3083

    Abstract: The invention provides a compact optical circulator with three ports positioning between a dual-core collimator and a single-core collimator. The inventive circulator has a propagation director to couple a light from the dual-core collimator to one port of the circulator and another light form the other port of the circulator to the dual-core collimator. The invention further provides a compact optical circulator with three ports having a reflective compensator. The reflective compensator compensates the optical path length of two polarized beams. Furthermore, the invention eliminates the polarization mode dispersion by utilizing a reflective compensator. As well, the inventive circulator forgoes use of the reciprocal polarizing-rotating unit, thus reducing production costs.

    Abstract translation: 本发明提供了一种紧凑的光循环器,其具有定位在双核准直器和单核准直器之间的三个端口。 本发明的循环器具有传播导向器,用于将来自双核准直器的光耦合到环行器的一个端口,另一个光形成循环器的另一个端口到双核准直器。 本发明还提供了具有三个端口的紧凑型光循环器,其具有反射补偿器。 反射补偿器补偿两个偏振光束的光程长度。 此外,本发明通过利用反射补偿器消除了偏振模色散。 同样,本发明的循环器放弃使用往复式偏振旋转单元,从而降低生产成本。

    Optical circulator
    74.
    发明授权
    Optical circulator 失效
    光循环器

    公开(公告)号:US06404549B1

    公开(公告)日:2002-06-11

    申请号:US09659123

    申请日:2000-09-11

    CPC classification number: G02B6/2746 G02B5/3083

    Abstract: The invention provides an optical circulator that comprises three ports with the property that light entered through the nth port is output through the (n+1)th port. It can be applied to optical fiber transmission of optical signals. It uses a reflector to make a two-core fiber collimator to be a first port and a second port of the optical circulator so as to minimize the optical circulator volume and to simplify the assembly procedure. A reciprocal crystal and a non-reciprocal crystal are combined to form an optical polarization controller to conquer such technical problems as the conjugate angle of the two-core collimator and the minimal polarization mode dispersion. In particular, the corresponding relation between the Faraday rotator and the birefringent crystal optical axis can be utilized to remove half-wave plates used in ordinary optical circulators, thus lowering manufacturing costs and complexities.

    Abstract translation: 本发明提供了一种光循环器,其包括具有通过第n个端口输入的光通过第(n + 1)个端口输出的三个端口。 它可以应用于光信号的光纤传输。 它使用反射器使双芯光纤准直器成为光环行器的第一端口和第二端口,以便最小化光循环器体积并简化组装过程。 将倒数晶体和不可逆晶体结合起来形成光偏振控制器,以克服诸如双核准直器的共轭角和最小偏振模色散的技术问题。 特别地,法拉第转子与双折射晶体光轴之间的对应关系可用于去除普通光循环器中使用的半波片,从而降低制造成本和复杂性。

    Genetic constructs and methods for producing fruits with very little or
diminished seed
    76.
    发明授权
    Genetic constructs and methods for producing fruits with very little or diminished seed 失效
    用于生产具有很少或减少的种子的水果的遗传构建体和方法

    公开(公告)号:US5773697A

    公开(公告)日:1998-06-30

    申请号:US636283

    申请日:1996-04-23

    CPC classification number: C12N15/8294 C12N15/8287

    Abstract: The invention discloses a transgenic method for producing fruit with diminished or very little seeds or fruits with reduced seed number. It involves the temporal expression of a cytotoxic gene or combination of genes targeted toward arresting seed development at a time sufficiently after pollination that fruit development and maturation is normal while early enough in seed development that seed maturation per se is minimized. The invention also includes transgenic constructs, vectors, and methods for production of the fruit with diminished or very little seed bearing plants.

    Abstract translation: 本发明公开了一种转基因方法,用于生产具有减少的种子数目减少或极少的种子或果实的水果。 它涉及细胞毒性基因的时间表达或在授粉后一段时间足以阻止种子发育的基因的组合的时间表达,即果实发育和成熟是正常的,而种子发育中的早期种子成熟本身最小化。 本发明还包括转基因构建体,载体和用于生产具有减少或极少种子植物的水果的方法。

    Methods to improve ACS performance
    78.
    发明授权
    Methods to improve ACS performance 有权
    提高ACS性能的方法

    公开(公告)号:US09021342B2

    公开(公告)日:2015-04-28

    申请号:US12924658

    申请日:2010-10-01

    CPC classification number: H03M13/4146 H03M13/4107

    Abstract: In one embodiment, systems and methods of operating a SOVA system is disclosed that comprises determining the start and stop values for a trellis tree and using the start and stop values to determine the initial states of a plurality of branches within the trellis tree.

    Abstract translation: 在一个实施例中,公开了一种操作SOVA系统的系统和方法,其包括确定网格树的开始和停止值,并使用开始和停止值来确定网格树内的多个分支的初始状态。

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