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    • 3. 发明申请
    • Test head for optically inspecting workpieces
    • 用于光学检查工件的测试头
    • US20060153492A1
    • 2006-07-13
    • US11112172
    • 2005-04-22
    • David TrevesThomas O'Dell
    • David TrevesThomas O'Dell
    • G02B6/12
    • G01N21/47G01N21/8806G01N21/95G01N21/9501G01N21/9506G11B5/8404
    • An optical test head comprises a block of material with a plurality of optical paths extending therethrough. At least one of the optical paths is an input optical path for receiving laser light and holding a lens for focusing the laser light on a workpiece that is proximate the head. At least another of the optical paths is an output path for receiving light that is reflected off of the workpiece and providing that light to a detector. (In one embodiment, several detectors are provided to direct specularly reflected light, narrow angle scattered light, wide angle scattered light and back scattered light to associated detectors.) Other optical elements can be affixed within or to the block of material. The test head can be used without requiring the individual optical elements to be aligned or adjusted.
    • 光学测试头包括具有延伸穿过其中的多个光路的材料块。 光路中的至少一个是用于接收激光并保持用于将激光聚焦在靠近头部的工件上的透镜的输入光路。 至少另一个光路是用于接收从工件反射并将光提供给检测器的光的输出路径。 (在一个实施例中,提供了几个检测器以将镜面反射光,窄角度散射光,广角散射光和背散射光引导到相关联的检测器。)其他光学元件可以固定在材料块内或附着到材料块中。 可以使用测试头,而不需要对对准或调整各个光学元件。
    • 4. 发明申请
    • Test head for optically inspecting workpieces
    • 用于光学检查工件的测试头
    • US20060152714A1
    • 2006-07-13
    • US11113258
    • 2005-04-23
    • David TrevesThomas O'Dell
    • David TrevesThomas O'Dell
    • G01N21/88
    • G01N21/94G01N21/21G01N21/55G01N21/9506G01N2021/8411
    • An optical test apparatus comprises a first: a) a motor that rotates a spindle which in turn rotates a workpiece such as a magnetic disk substrate; b) an upper test head comprising a laser for providing an upper laser beam to the upper surface of the workpiece, an upper lens for receiving light reflected from the upper surface, and an upper detector for generating an electrical signal indicative of the received light; and c) a lower test head comprising a lower laser providing a laser beam to the lower surface of the workpiece, a lower lens for receiving light reflected from the lower surface and a lower detector for generating an electrical signal indicative of the received light. The path of the lower laser beam is displaced from a radial direction of the workpiece in a manner that permits the lower lens to be placed closer to the laser spot than if the lower laser beam was not displaced.
    • 一种光学测试装置,包括:第一:a)旋转主轴的电动机,该主轴又使诸如磁盘基板的工件旋转; b)上测试头,包括用于向工件的上表面提供上激光束的激光器,用于接收从上表面反射的光的上透镜和用于产生指示所接收的光的电信号的上检测器; 以及c)下测试头,其包括向工件的下表面提供激光束的下激光器,用于接收从下表面反射的光的下透镜和用于产生指示接收光的电信号的下检测器。 下激光束的路径从工件的径向位移,使得下透镜放置得比激光光束更靠近激光光束,而不是下位激光束被移动。
    • 5. 发明授权
    • Laser disk texturing apparatus
    • 激光盘纹理装置
    • US5595768A
    • 1997-01-21
    • US552185
    • 1995-11-02
    • David TrevesHong FuThomas O'Dell
    • David TrevesHong FuThomas O'Dell
    • B23K26/00B23K26/38G11B5/84
    • G11B5/8404Y10S425/81
    • Reflection of a generated radiation beam (e.g., laser) from a disk substrate during radiation-induced texturing such that the reflection interferes with the generated radiation beam is eliminated as follows: the beam path of the laser beam is passed through focusing optics to focus the beam to a spot on the substrate surface; the beam path is offset from the center of the focusing optics so that the focusing optics bend the beam path, and further so that the beam is angled from normal to the surface of the disk, for example by between 2 and 5 degrees; and that portion of the beam reflected by the disk surface is blocked by appropriate means prior to its impinging upon the source of the generated radiation beam.
    • 在辐射引起的纹理化期间从盘基底产生的辐射束(例如,激光)的反射消除如下:激光束的光束路径通过聚焦光学元件聚焦 光束到基板表面上的一个点; 光束路径偏离聚焦光学器件的中心,使得聚焦光学器件弯曲光束路径,并且进一步使得光束从法向盘的表面成角度,例如在2度和5度之间; 并且由光盘表面反射的光束的该部分在其撞击所产生的辐射束的光源之前被适当的装置阻挡。
    • 8. 发明申请
    • Robotic system for optically inspecting workpieces
    • 用于光学检查工件的机器人系统
    • US20060153525A1
    • 2006-07-13
    • US11112190
    • 2005-04-22
    • David TrevesThomas O'Dell
    • David TrevesThomas O'Dell
    • H04N5/91
    • G05B19/41875G01N21/9506G05B2219/32218Y02P90/22Y02P90/28
    • A manufacturing cell for inspecting workpieces such as magnetic disk substrates comprises an input conveyor for providing workpieces to be tested, one or more testers for inspecting the workpieces, and three or more output receptacles for receiving tested workpieces. One or more robotic arms move the workpieces from the input conveyor to the tester and from the tester to one of the output receptacles depending upon the results of the test performed by the tester. The output receptacles include a pass receptacle, a reject receptacle, and at least an additional receptacle for workpieces that are to be re-worked or studied further. If the additional receptacle is full, workpieces that would otherwise be provided to the additional bin are placed in the reject receptacle. The reject receptacle is very large, so that it is rarely filled to capacity, and it is rarely necessary to shut down the manufacturing cell to replace the reject receptacle.
    • 用于检查诸如磁盘基板的工件的制造单元包括用于提供待测试的工件的输入输送机,用于检查工件的一个或多个测试器以及用于接收测试的工件的三个或更多个输出插座。 根据测试仪进行的测试结果,一个或多个机器人手臂将工件从输入输送机移动到测试仪,并从测试仪移动到输出容器之一。 输出插座包括通孔插座,拒收容器,以及用于进一步重新加工或研究的工件的至少一个附加插座。 如果附加的容器已满,则否则将提供给附加箱的工件放置在废品容器中。 废料容器非常大,因此很少装满容量,很少需要关闭制造单元以更换废品容器。