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    • 42. 发明申请
    • Semiconductor device
    • 半导体器件
    • US20060171229A1
    • 2006-08-03
    • US11333359
    • 2006-01-18
    • Takehiro Ueda
    • Takehiro Ueda
    • G11C17/18
    • G11C17/165G11C17/18G11C29/02G11C29/027
    • A fuse peripheral circuit shown in FIG. 2 has a fuse 10, a potential difference imparting circuit 20, a potential difference reducing circuit 30, a terminal 40, a memory circuit 50, a transfer gate 60, and a logic gate 70. The potential difference imparting circuit 20 is configured as having a transfer gate 22 (first transfer gate), a terminal 24 (first terminal) and a terminal 26, so as to give a predetermined potential difference between both ends of the fuse 10 when disconnection of the fuse 10 is judged. The potential difference reducing circuit 30 is configured as having a transfer gate 32 (second transfer gate), a terminal 34 (second terminal) and a terminal 36, and reduces the potential difference between both ends of the fuse 10 applied by the above-described potential difference imparting circuit 20.
    • 图1所示的保险丝外围电路。 2具有保险丝10,电位差赋予电路20,电位差降低电路30,端子40,存储电路50,传输门60和逻辑门70.电位差赋予电路20被配置为具有 传输门22(第一传输门),端子24(第一端子)和端子26,以便在断开保险丝10断开时给出保险丝10两端之间的预定电位差。 电位差降低电路30被配置为具有传输门32(第二传输门),端子34(第二端子)和端子36,并且通过上述方式减小了熔断器10的两端之间的电位差 电位差赋予电路20。
    • 49. 发明申请
    • Semiconductor device and method for determining fuse state
    • 用于确定熔丝状态的半导体器件和方法
    • US20070278617A1
    • 2007-12-06
    • US11806553
    • 2007-06-01
    • Norio OkadaTakehiro Ueda
    • Norio OkadaTakehiro Ueda
    • H01L29/00H01L21/8238
    • G11C17/18H01L23/5256H01L23/5258H01L2924/0002H01L2924/00
    • A semiconductor device includes a semiconductor substrate, a fuse which comprises a conductive material and is formed on a semiconductor substrate, a contacting target conductor region which is placed around the fuse on the semiconductor substrate and formed so as to make electrical contact with the fuse through the conductive material constituting the fuse when a process for cutting the fuse is carried out, and a determination unit which detects whether or not the fuse is electrically disconnected, and detects whether or not the contacting target conductor region and the fuse are electrically connected, and determines that the fuse is in a cut state when electrical disconnection of said fuse is detected or electrical connection between said contacting target conductor region and said fuse is detected.
    • 半导体器件包括半导体衬底,包括导电材料并形成在半导体衬底上的熔丝,接触目标导体区域,其被布置在半导体衬底上的保险丝周围并且形成为与保险丝电接触 当执行用于切割熔丝的处理时构成熔丝的导电材料,以及检测熔丝是否断电的判断单元,并检测接触目标导体区域和熔丝是否电连接,以及 当检测到所述保险丝的断电或检测到所述接触目标导体区域和所述保险丝之间的电连接时,确定所述保险丝处于切断状态。