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    • 11. 发明申请
    • Apparatus and process for determination of dynamic scan field curvature
    • 用于确定动态扫描场曲率的装置和过程
    • US20070024834A1
    • 2007-02-01
    • US11542729
    • 2006-10-03
    • Adlai SmithRobert Hunter
    • Adlai SmithRobert Hunter
    • G03B27/52
    • G03F7/70791G03F7/70358G03F7/70516G03F7/706G03F7/70641
    • A process for the determination of focal plane deviation uniquely due to the scanning dynamics associated with a photolithographic scanner is described. A series of lithographic exposures is performed on a resist coated silicon wafer using a photolithographic scanner. The lithographic exposures produce an array of focusing fiducials that are displaced relative to each other in a unique way. The resulting measurements are fed into a computer algorithm that calculates the dynamic scanning field curvature in an absolute sense in the presence of wafer height variation and other wafer/reticle stage irregularities. The dynamic scan field curvature can be used to improve lithographic modeling, overlay modeling, and advanced process control techniques related to scanner stage dynamics.
    • 描述了由于与光刻扫描仪相关的扫描动力学而唯一地确定焦平面偏差的过程。 使用光刻扫描仪在抗蚀剂涂覆的硅晶片上进行一系列光刻曝光。 光刻曝光产生了以独特的方式相对于彼此移位的聚焦基准阵列。 所得到的测量值被馈送到计算机算法中,该计算机算法在存在晶片高度变化和其它晶片/标线片级不规则性的情况下以绝对意义计算动态扫描场曲率。 动态扫描场曲率可用于改进与扫描仪动态相关的光刻建模,叠加建模和先进的过程控制技术。
    • 13. 发明申请
    • Automatic sizing one-handed locking pliers
    • 自动尺寸单手锁定钳
    • US20060174734A1
    • 2006-08-10
    • US11052509
    • 2005-02-07
    • Robert Hunter
    • Robert Hunter
    • B25B7/12
    • B25B7/123
    • An automatically adjustable locking pliers includes an upper jaw fixed to a handle and lower jaws that pivot about the handle. The lower jaws are connected to a lower tightening handle. A lever connects the tightening handle and upper body. This is the standard structure of locking pliers well known in the industry. The improvement includes a self-adjusting sizing and locking mechanism A thumb jaw sizing lever is located near the jaws and may be moved to open the jaws so that they can be sized around a workpiece. When the thumb jaw lever is released, the jaws automatically size and clamp lightly around the workpiece. The locking mechanism uses metal ball bearings to surround a metal plunger that rests in a tapered metal housing. A spring maintains constant pressure. Locking occurs when the balls wedge between the plunger and the tapered inner walls. A release cylinder is connected to the release paddle to unlock the mechanism. The sizing lever and locking mechanism operate together to automatically size and lock the pliers. An adjusting screw in the lower handle near a pivot point sets the clamping force. Turning the screw adjusts the tension of the pliers for gripping the workpiece.
    • 可自动调节的锁定钳包括固定在手柄上的上颚和围绕手柄枢转的下颚。 下钳口连接到下紧固手柄。 杠杆连接紧固手柄和上身。 这是业界众所周知的锁紧钳的标准结构。 改进包括自调节尺寸和锁定机构拇指钳尺寸杆位于钳口附近,并且可以移动以打开钳口,使得它们可以围绕工件定尺寸。 当拇指爪杆被释放时,钳口自动调整大小并夹紧工件。 锁定机构使用金属球轴承围绕搁置在锥形金属外壳中的金属柱塞。 弹簧保持恒定的压力。 当球体在柱塞和锥形内壁之间楔入时发生锁定。 释放气缸连接到释放桨以解锁机构。 定型杆和锁定机构一起工作,自动调整和锁定钳子。 靠近枢轴点的下手柄中的调节螺钉设定夹紧力。 转动螺丝可调整钳子夹紧工件的张力。
    • 14. 发明申请
    • Method of emulation of lithographic projection tools
    • 光刻投影工具的仿真方法
    • US20050240895A1
    • 2005-10-27
    • US11111302
    • 2005-04-20
    • Adlai SmithRobert HunterJoseph Bendik
    • Adlai SmithRobert HunterJoseph Bendik
    • G03F20060101G03F7/20G06F17/50G06G7/62
    • G03F7/705G06F17/5009G06F2217/10G06F2217/86
    • Techniques for producing emulations of lithographic tools and processes using virtual wafers and lithographic libraries are described. Emulating a lithographic projection imaging machine includes determining characteristics of the imaging machine, of a reticle used in the imaging machine, and of layer specific processes. Then performing emulation on a virtual wafer using the characteristics of the imaging machine, reticle, and layer specific processes. The machine characteristics determined include characteristics of an exposure source, lens aberration, exit pupil, mechanics, vibration, calibration offsets, or resist. The reticle characteristics determined include distortion, critical dimension, phase transmission error, mask clips, as drawn specifications, or mask sites. And, the layer specific process characteristics include machine model, machine setting identification, and field exposure sequencing. Emulation results can be entered into an optimizer and optimum operating conditions related to the projection imaging machine are determined.
    • 描述了用于生产使用虚拟晶片和光刻库的光刻工具和工艺仿真的技术。 仿真光刻投影成像机包括确定成像机的特征,成像机中使用的掩模版和特定于层的工艺。 然后使用成像机,掩模版和层特定工艺的特征在虚拟晶片上进行仿真。 所确定的机器特性包括曝光源的特性,透镜像差,出射光瞳,力学,振动,校准偏移或抗蚀剂。 确定的掩模版特性包括失真,临界尺寸,相位传输误差,掩模夹,绘图规范或掩模位置。 而且,层的具体过程特征包括机器模型,机器设置识别和现场曝光测序。 可以将仿真结果输入到优化器中,并且确定与投影成像机相关的最佳操作条件。
    • 16. 发明申请
    • Linkage assembly restraint
    • 联动装配约束
    • US20050111951A1
    • 2005-05-26
    • US10705343
    • 2003-11-10
    • Dana BranhamAndy FowkesRobert HunterPaul Pottschmidt
    • Dana BranhamAndy FowkesRobert HunterPaul Pottschmidt
    • B66F9/00E02F3/28E02F3/34
    • E02F3/3411E02F3/283Y10S414/125
    • Work machines having linkages may need to have the linkage assembly locked in a predetermined position to prevent damage to an implement attached to the work machine, to prevent tipping of the work machine, to operate the implement, or other reasons. Locking the linkage assembly, however, can create significant loads on the linkage assembly. The disclosed method and apparatus is for a work machine that comprises a chassis, at least one linkage assembly attached to the work machine, at least one restraint having a first-end portion and a second-end portion, the second-end portion being attached to the chassis and the first-end portion being attached to the linkage assembly, the restraint transferring a load from the linkage assembly to the chassis.
    • 具有连接的工作机械可能需要将连杆组件锁定在预定位置,以防止对附接到作业机器的工具的损坏,以防止作业机器倾倒,操作工具或其它原因。 然而,锁定连杆组件可能在连杆组件上产生显着的负载。 所公开的方法和设备是用于工作机器,其包括底盘,附接到作业机器的至少一个连杆组件,至少一个具有第一端部分和第二端部分的限制器,所述第二端部部分被附接 并且所述第一端部附接到所述连杆组件,所述约束件将负载从所述连杆组件传递到所述底盘。