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19 条记录 (耗时 0.016 秒)

    Durable transparent conductors on polymeric substrates
    3.
    发明授权
    Durable transparent conductors on polymeric substrates 有权
    聚合物基材上耐用的透明导体

    公开(公告)号：US08163205B2

    公开(公告)日：2012-04-24

    申请号：US12190025

    申请日：2008-08-12

    申请人： Chaoyin Zhou ,  Richard W. Burns

    发明人： Chaoyin Zhou ,  Richard W. Burns

    IPC分类号： H01B1/02 ,  H01B1/04 ,  H01B1/22

    CPC分类号： H01B1/22 ,  H01B1/20 ,  H01B1/24

    摘要： A method of preparing a transparent conductor for application on a polymeric substrate is described. The method includes introducing a functional group onto a surface of the conductor to form a modified conductor, and mixing the modified conductor with a dispersant at slightly elevated temperatures to form a conductive material composition. The dispersant is at least bifunctional. The conductive material composition may then be applied to the polymeric substrate. The dispersant acts as a linker, bonding the transparent conductor and polymeric substrate such that they are fully integrated.

    摘要翻译： 描述了制备用于施加在聚合物基材上的透明导体的方法。 该方法包括在导体的表面上引入官能团以形成改性导体，并在稍微升高的温度下将改性导体与分散剂混合以形成导电材料组合物。 分散剂至少是双官能的。 然后可以将导电材料组合物施加到聚合物基材上。 分散剂用作接头，将透明导体和聚合物基底结合，使得它们完全集成。

    High power pin diode switch
    4.
    发明授权
    High power pin diode switch 有权
    大功率二极管开关

    公开(公告)号：US06552626B2

    公开(公告)日：2003-04-22

    申请号：US09482175

    申请日：2000-01-12

    申请人： Thomas M. Sharpe ,  Donald A. Charlton ,  Richard W. Burns

    发明人： Thomas M. Sharpe ,  Donald A. Charlton ,  Richard W. Burns

    IPC分类号： H01P115

    CPC分类号： H01P1/15

    摘要： A high power PIN diode single pole double throw (SPDT) switch for use in radar systems transmitting at over 50 watts of power. These systems require a switch that will provide adequate isolation for the sensitive amplifier circuits in the receiver subsystem of the radar from the high power transmit pulses in the event there is a bias failure such that the PIN diodes are at zero bias. By utilizing one single pole single throw (SPST) switch assembly between the transmitter and the antenna and at least two SPST switch assemblies between the antenna and the receiver, this isolation is achieved.

    摘要翻译： 高功率PIN二极管单极双掷（SPDT）开关，用于雷达系统，传输功率超过50瓦。 这些系统需要一个开关，这将为雷达的接收机子系统中的敏感放大器电路提供足够的隔离，以便在发生偏置故障时使PIN二极管处于零偏置的情况下从高功率发射脉冲。 通过在发射机和天线之间利用一个单极单掷（SPST）开关组件以及在天线和接收器之间的至少两个SPST开关组件，实现了这种隔离。

    Adjustable microwave power divider
    5.
    发明授权
    Adjustable microwave power divider 失效
    可调微波功率分配器

    公开(公告)号：US5467063A

    公开(公告)日：1995-11-14

    申请号：US125055

    申请日：1993-09-21

    申请人： Richard W. Burns ,  Darren E. Atkinson

    发明人： Richard W. Burns ,  Darren E. Atkinson

    IPC分类号： H01P5/12

    CPC分类号： H01P5/12

    摘要： An adjustable microwave power divider circuit (50), providing the capability of adjusting the power division ratio after the device has been fabricated. The device includes three 90 degree transmission line networks (60, 70, 80) incorporating open transmission line stubs (66, 76, 86), two networks (70, 80) as power division networks, and the third network (60) as an input impedance matching network. A series isolation resistor (90) is connected across the outputs of the power division networks. In operation, an input signal is split between the two power division networks (70, 80) with equal voltage and phase. The power split between the two outputs is adjusted by adjusting the open stub length, thereby varying the characteristic impedance level between the two power division networks. Any signal reflected back into any one of the power divider networks is absorbed by the isolation resistor. The stub length can be trimmed after device fabrication using a laser or abrasion system.

    摘要翻译： 一种可调微波功率分配器电路（50），提供了在器件制造之后调整功率分配比的能力。 该设备包括三个90度传输线网络（60,70,80），其包含开放的传输线路短线（66,76,86），作为功率分配网络的两个网络（70,80），并且第三网络（60）作为 输入阻抗匹配网络。 串联隔离电阻（90）连接在功率分配网络的输出端。 在操作中，输入信号在具有相等电压和相位的两个功率分配网络（70,80）之间分配。 通过调整开路短截线长度来调整两个输出之间的功率分配，从而改变两个功率分配网络之间的特性阻抗水平。 反射回任何一个功率分配器网络的任何信号都被隔离电阻吸收。 在使用激光或磨损系统的器件制造之后，可以修剪短截线长度。

    Minimum phase shift microwave attenuator
    6.
    发明授权
    Minimum phase shift microwave attenuator 失效
    最小相移微波衰减器

    公开(公告)号：US5521560A

    公开(公告)日：1996-05-28

    申请号：US341812

    申请日：1994-11-18

    申请人： Richard W. Burns ,  Darren E. Atkinson

    发明人： Richard W. Burns ,  Darren E. Atkinson

    IPC分类号： H01P1/22

    CPC分类号： H01P1/227

    摘要： A minimum phase shift microwave attenuator circuit, providing very low insertion phase change with changing attenuation levels. Three PIN diodes are biased in parallel from a common node. The PIN diodes are held at zero or reverse bias for the "no attenuation" state, and are made slightly lossy to produce the attenuation state. In the attenuation state, the PIN diodes are utilized as current controlled lossy capacitors which change resistance with applied bias, but maintain constant capacitance, thereby providing low insertion phase deviation across wide attenuation levels.

    摘要翻译： 最小相移微波衰减器电路，随着衰减水平的变化而提供极低的插入相位变化。 三个PIN二极管从公共节点并联偏置。 对于“无衰减”状态，PIN二极管保持为零或反向偏置，并且产生稍微有损耗的衰减状态。 在衰减状态下，PIN二极管被用作电流控制的有损电容器，其通过施加的偏压来改变电阻，但是保持恒定的电容，从而在宽的衰减水平上提供低的插入相位偏差。

    Moly mask removal tool
    7.
    发明授权
    Moly mask removal tool 失效
    Moly面膜去除工具

    公开(公告)号：US4643796A

    公开(公告)日：1987-02-17

    申请号：US776184

    申请日：1985-09-13

    申请人： Richard W. Burns

    发明人： Richard W. Burns

    IPC分类号： H01L21/60 ,  G03F1/00 ,  G03F7/20 ,  H01L21/027 ,  H01L21/67 ,  H01L21/683 ,  B32B31/18

    CPC分类号： G03F7/707 ,  Y10S156/93 ,  Y10S438/942 ,  Y10S438/945 ,  Y10T156/1179 ,  Y10T156/1189 ,  Y10T156/19 ,  Y10T29/49821 ,  Y10T29/53274

    摘要： An apparatus for removing a mask which extends beyond the outer edges of a semiconductor wafer bonded thereto. The apparatus includes a base having a vacuum chamber opening onto the upper surface of the base, a vacuum valve separating the vacuum chamber from a vacuum source, an actuating lever and a mask discharge facilitator. The discharge facilitator comprising a horizontal plate having a plurality of vertical pins around the periphery thereof. When the lever is actuated, it opens the vacuum valve and lifts the discharge facilitator forcing the vertical pins into contact with the mask. The simultaneous application of the vacuum holding force, and vertical force applied by the pins causes the separation of the mask from the upper surface of the wafer.

    摘要翻译： 一种用于去除延伸超过与其结合的半导体晶片的外边缘的掩模的设备。 该设备包括具有通向基座上表面的真空室的基座，将真空室与真空源分开的真空阀，致动杆和掩模排放辅助器。 排放促进器包括水平板，在水平板的周围具有多个垂直销。 当杠杆启动时，它打开真空阀并提升排气辅助器，迫使垂直销与面罩接触。 同时施加真空保持力和由引脚施加的垂直力使得掩模与晶片的上表面分离。

    Low friction flute tungsten carbon microdrill
    10.
    发明授权
    Low friction flute tungsten carbon microdrill 失效
    低摩擦长笛钨碳微钻

    公开(公告)号：US5599144A

    公开(公告)日：1997-02-04

    申请号：US494048

    申请日：1995-06-23

    申请人： Michael Bickham ,  Richard W. Burns ,  Glenn D. Johnson ,  Joe Negron ,  Oliver K. Sparkman ,  Dale W. Wilhite

    发明人： Michael Bickham ,  Richard W. Burns ,  Glenn D. Johnson ,  Joe Negron ,  Oliver K. Sparkman ,  Dale W. Wilhite

    IPC分类号： B23B51/00 ,  B23B51/02 ,  B23P15/32 ,  C23C16/26 ,  C23C30/00 ,  H05K3/00 ,  B21K5/04

    CPC分类号： H05K3/0047 ,  B23B51/02 ,  C23C16/26 ,  C23C30/005 ,  B23B2222/28 ,  B23B2251/426 ,  H05K2203/127 ,  Y10T408/78 ,  Y10T408/9097

    摘要： A drill bit, and associated method of manufacture, characterized by the presence of a low friction coating on the drill flute surfaces and the absence of such coating from the facets on the cutting surfaces of the drill bit. In one form, a tungsten carbide based microdrill bit is coated with a high temperature diamond like carbon to a layer thickness measured in microns. The cutting facets of the microdrill bit are then ground to expose the tungsten carbide material. The microdrill bit formed thereby is particularly useful in creating holes through multilayer printed circuit boards as a part of forming electrical vias. Low friction flute surface coated microdrills exhibit materially longer drill life, better drill location accuracy, can operate at materially greater chiploads, and produce higher quality holes through printed circuit boards.

    摘要翻译： 一种钻头和相关联的制造方法，其特征在于在钻头槽表面上存在低摩擦涂层，并且在钻头的切割表面上不存在这样的涂层。 在一种形式中，碳化钨基微钻头用诸如碳的高温金刚石涂覆到以微米测量的层厚度。 然后将微钻头的切割面磨平以暴露碳化钨材料。 由此形成的微钻头特别可用于通过多层印刷电路板产生孔作为形成电通孔的一部分。 低摩擦槽表面涂覆的微型钻具显示出更长的钻孔寿命，更好的钻孔定位精度，可以在实质上更大的切屑负载下运行，并通过印刷电路板产生更高质量的孔。