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    • 7. 发明授权
    • Apparatus and methods for end point determination in reactive ion etching
    • 用于反应离子蚀刻终点测定的装置和方法
    • US08445296B2
    • 2013-05-21
    • US13189287
    • 2011-07-22
    • Chien Rhone WangTzu-Cheng LinYu-Jen ChengChih-Wei LaiHung-Pin ChangTsang-Jiuh Wu
    • Chien Rhone WangTzu-Cheng LinYu-Jen ChengChih-Wei LaiHung-Pin ChangTsang-Jiuh Wu
    • H01L21/02
    • H01J37/32963
    • Methods and apparatus for performing end point determination. A method includes receiving a wafer into an etch tool chamber for performing an RIE etch; beginning the RIE etch to form vias in the wafer; receiving in-situ measurements of one or more physical parameters of the etch tool chamber that are correlated to the RIE etch process; providing a virtual metrology model for the RIE etch in the chamber; inputting the received in-situ measurements to the virtual metrology model for the RIE etch in the chamber; executing the virtual metrology model to estimate the current via depth; comparing the estimated current via depth to a target depth; and when the comparing indicates the current via depth is within a predetermined threshold of the target depth; outputting a stop signal. An apparatus for use with the method embodiment is disclosed.
    • 执行终点确定的方法和装置。 一种方法包括将晶片接收到用于进行RIE蚀刻的蚀刻工具室中; 开始RIE蚀刻以在晶片中形成通孔; 接收与RIE蚀刻工艺相关的蚀刻工具室的一个或多个物理参数的原位测量; 为腔室中的RIE蚀刻提供虚拟计量模型; 将接收到的原位测量值输入到腔室中的RIE蚀刻的虚拟测量模型; 执行虚拟计量模型以通过深度估计电流; 将经过深度的估计电流与目标深度进行比较; 并且当比较指示当前经过深度在目标深度的预定阈值内时; 输出停止信号。 公开了一种用于该方法实施例的装置。
    • 10. 发明授权
    • Single-cluster lamp drive device
    • 单簇灯驱动装置
    • US07450095B2
    • 2008-11-11
    • US11087554
    • 2005-03-24
    • Te-Cheng YuShang-Che SunChih-Wei LaiHuang-Ta ChiuWan-Chih LinHao-Fan LiaoMing-Chu Hsu
    • Te-Cheng YuShang-Che SunChih-Wei LaiHuang-Ta ChiuWan-Chih LinHao-Fan LiaoMing-Chu Hsu
    • G09G3/32
    • G09G3/32G09G3/2011G09G2310/027
    • A single-cluster lamp drive device makes use of a controller to receive video data from a control system and then divides the video data into three sub video data. Next, these three sub video data are simultaneously and repetitively outputted to a digital-to-analog converter in every fixed time interval. Subsequently, the digital-to-analog converter converts these three sub video data to three analog voltages outputted to a voltage-to-current converter. Finally, the voltage-to-current converter converts these three analog voltages to three analog currents for driving light emitting devices to emit light, hence accomplishing voltage-in-current-out driving. The drive device drives a single-cluster lamp composed of one LED or several LEDs to adjust their brightness through current change, thereby coordinating with the control system to produce various color and pattern variations.
    • 单簇灯驱动装置利用控制器从控制系统接收视频数据,然后将视频数据分成三个子视频数据。 接下来,这三个副视频数据在每个固定的时间间隔中被同时且重复地输出到数模转换器。 随后,数模转换器将这三个子视频数据转换成输出到电压 - 电流转换器的三个模拟电压。 最后,电压 - 电流转换器将这三个模拟电压转换为三个模拟电流,用于驱动发光器件发光,从而实现电流输出驱动。 驱动装置驱动由一个LED或多个LED组成的单个集群灯,以通过电流变化来调节其亮度,从而与控制系统协调以产生各种颜色和图案变化。