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    • 7. 发明授权
    • System and method for dispensing fluid droplets of known volume and generating very low fluid flow rates
    • 用于分配已知体积的液滴并产生非常低的流体流速的系统和方法
    • US06213354B1
    • 2001-04-10
    • US09474559
    • 1999-12-29
    • Robert L. Kay
    • Robert L. Kay
    • B05D100
    • A61M5/16804A61B5/150015A61B5/150229A61B5/150946A61B5/155A61M5/1689A61M2205/3306B01L3/0241B01L3/0262G01N2035/1041
    • A system and method for dispensing fluid droplets of a known volume uses a control system using inner and outer control loops. The inner control loop includes a pump which pressurizes a fluid against an aperture, causing fluid to pass through the aperture and to a dispensing tip at a particular flow rate. The pressure of the fluid upstream of the aperture is measured and fed back to a controller, which also receives a setpoint input representative of desired dispensed volume. The outer control loop uses a droplet volume measuring system which determines the volume of the droplet that forms at the outlet of the dispensing tip as a result of the applied pressure, the value of which is also fed to the controller. The controller is arranged to maintain the pressure against the aperture (using the inner control loop) as needed to produce a flow rate which will quickly produce a droplet of the desired volume (as determined using the outer control loop), at which time the pressure is reduced to zero and the droplet dispensed
    • 用于分配已知体积的液滴的系统和方法使用使用内部和外部控制回路的控制系统。 内部控制回路包括泵,其将流体压靠孔径,使流体以特定的流速通过孔口并分配到分配尖端。 测量孔径上游的流体的压力并将其反馈到控制器,控制器还接收代表所需分配体积的设定点输入。 外部控制回路使用液滴体积测量系统,其确定由于施加的压力而在分配尖端的出口处形成的液滴的体积,其值也被馈送到控制器。 控制器设置成根据需要保持针对孔的压力(使用内部控制回路)以产生将快速产生所需体积的液滴的流量(如使用外部控制回路确定的),此时压力 减少到零,并且液滴分配
    • 8. 发明授权
    • Test probe positioning method and system for micro-sized devices
    • 用于微型设备的测试探针定位方法和系统
    • US06208375B1
    • 2001-03-27
    • US09316709
    • 1999-05-21
    • Robert L. KaySteven T. Lane
    • Robert L. KaySteven T. Lane
    • H04N718
    • G01R31/2891G01R1/06705
    • A test probe positioning method and system displays an image of a micro-device to be probed on a display screen. A “target feature” is selected—either by manual means such as a computer mouse, or by automatic means based on previously-stored information. The pixel address of the selected target feature within the displayed image is determined. A test probe is introduced into the field of view of the image, and its pixel address determined. With target and probe addresses known, the probe is moved to bring it into contact with the target feature. An individual probe is identified from among a plurality of probes by means of coded markings applied to each. The markings are a known distance apart and a known distance from the probe tip. When placed within the field of view, the identity of each probe, and its location relative to the camera, can be determined by observing its pattern of markings. The test probes are independently movable, so that any individual probe can be identified, located, and moved as necessary to contact a selected target feature. A routing network is used to convey a parameter between a selected test probe and an appropriate piece of test equipment.
    • 测试探针定位方法和系统在显示屏幕上显示要探测的微型设备的图像。 通过诸如计算机鼠标之类的手动装置或基于先前存储的信息的自动装置来选择“目标特征”。 确定显示图像内所选目标特征的像素地址。 将测试探针引入到图像的视野中,并确定其像素地址。 当目标和探测地址已知时,探头被移动以使其与目标特征接触。 通过应用于每个探针的编码标记从多个探针中识别单个探针。 标记是已知的距离,距离探针尖端已知的距离。 当放置在视野内时,可以通过观察其标记图案来确定每个探针的身份及其相对于相机的位置。 测试探针是可独立移动的,因此可以根据需要识别,定位和移动任何单独的探头以接触所选择的目标特征。 路由网络用于在选定的测试探针和适当的测试设备之间传送参数。