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    • 55. 发明授权
    • Refresh control circuit and method thereof and bank address signal change circuit and methods thereof
    • 刷新控制电路及其方法及其地址信号变换电路及其方法
    • US07474578B2
    • 2009-01-06
    • US11332477
    • 2006-01-17
    • Jong-Won LeeTao-Seong Jang
    • Jong-Won LeeTao-Seong Jang
    • G11C7/00G11C8/00
    • G11C11/40618G11C11/406G11C2211/4068
    • A refresh control circuit and method thereof and a bank address signal change circuit and methods thereof. The bank address signal change circuit may receive bank address signals from a bank address signal generation circuit. The received bank address signals may designate a first at least one of a plurality of memory banks. The bank address signal change circuit may determine whether the first at least one designated memory bank is associated with the longest refresh cycles from among the plurality of memory banks. Based on the determination, the bank address signal change circuit may generate a plurality of bank address signal change signals designating a second at least one of the plurality of memory banks. A refresh operation circuit may perform a refreshing operation on the second at least one memory banks in accordance with the bank address signal change signals. The bank address signal generation circuit, bank address signal change circuit and refresh operation circuit may each be included in a refresh control circuit.
    • 一种刷新控制电路及其方法及其地址信号变换电路及其方法。 银行地址信号变换电路可以从存储体地址信号发生电路接收存储体地址信号。 所接收的存储体地址信号可以指定多个存储体中的第一至少一个。 银行地址信号变化电路可以确定第一至少一个指定的存储体是否与多个存储体中的最长刷新周期相关联。 基于该确定,存储体地址信号改变电路可以产生指定多个存储体中的第二至少一个的多个存储体地址信号改变信号。 刷新操作电路可以根据存储体地址信号改变信号对第二至少一个存储体执行刷新操作。 存储体地址信号发生电路,存储体地址信号改变电路和刷新操作电路可以各自包括在刷新控制电路中。
    • 57. 发明授权
    • Wordline enable circuit in semiconductor memory device and method thereof
    • 半导体存储器件中的字线使能电路及其方法
    • US07274619B2
    • 2007-09-25
    • US11320967
    • 2005-12-30
    • Jong-Won LeeShin-Ho Chu
    • Jong-Won LeeShin-Ho Chu
    • G11C8/00
    • G11C11/4085G11C11/406G11C2211/4065
    • There is provided a wordline enable circuit and its method for reducing power consumption by controlling a wordline select signal in a self-refresh mode. The wordline enable circuit includes a wordline control signal generating unit for outputting an untoggled wordline control signal while a unit wordline block is enabled in a self-refresh mode; a wordline enable signal generating unit for generating a wordline enable control signal, controlled by the untoggled wordline control signal and a toggled address signal, and a first to an n-th wordline enable power supply signals; and a wordline block enable unit for enabling each wordline, controlled by the wordline enable control signal and the first to the n-th wordline enable power supply signals.
    • 提供了一种字线使能电路及其通过在自刷新模式中控制字线选择信号来降低功耗的方法。 字线使能电路包括字线控制信号生成单元,用于在自刷新模式下启用单位字线块时输出未切换的字线控制信号; 字线使能信号生成单元,用于生成由未切换的字线控制信号和切换的地址信号控制的字线使能控制信号,以及第一至第n字线使能电源信号; 以及字线块使能单元,用于启用由字线使能控制信号和第一至第n字线使能电源信号控制的每个字线。
    • 60. 发明授权
    • Chemical mechanical polishing apparatus
    • 化学机械抛光装置
    • US06976902B2
    • 2005-12-20
    • US10850688
    • 2004-05-21
    • Ja-Eung KooJong-Won LeeSung-Bae LeeDuk-Ho HongSang-Rok HahHong-Seong Son
    • Ja-Eung KooJong-Won LeeSung-Bae LeeDuk-Ho HongSang-Rok HahHong-Seong Son
    • B24B37/02B24B37/04B24B49/10B24B49/14B24B1/00
    • B24B37/013B24B49/10B24B49/14
    • There is provided a chemical mechanical polishing apparatus, which may include a polishing table rotated by a polishing table motor and having a pad thereon, a carrier head located above the polishing table to be rotatable by the driving of a carrier head motor and having a wafer located under the bottom thereof, a slurry supplier for supplying a slurry to the upper portion of the polishing table, a first polishing end point detector for detecting a polishing end point through the temperature change of the temperature sensor, at least one temperature sensor for detecting the temperature of a polishing region (the wafer, the pad, and the slurry), and a second polishing end point detector for detecting a polishing end point from the changes of load current, voltage, and resistance of the carrier head motor. Further, instead of the second polishing end point detector, an optical signal polishing end point detector may be employed, for detecting the polishing end point by the light illuminated on the wafer and reflected from the wafer.
    • 提供了一种化学机械抛光装置,其可以包括由抛光台马达旋转并且具有垫的抛光台,位于抛光台上方的载体头可以通过载体头马达的驱动旋转并具有晶片 位于其底部的浆料供应器,用于向抛光台的上部供应浆料;第一抛光终点检测器,用于通过温度传感器的温度变化检测抛光终点;至少一个检测温度传感器 抛光区域(晶片,焊盘和浆料)的温度,以及用于从承载头电动机的负载电流,电压和电阻的变化检测抛光终点的第二抛光终点检测器。 此外,代替第二研磨终点检测器,可以采用光信号抛光终点检测器,用于通过照射在晶片上的光并从晶片反射来检测抛光终点。