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    • 2. 发明授权
    • Scan chain extracting method, test apparatus, circuit device, and scan chain extracting program
    • 扫描链提取方法,测试仪器,电路设备和扫描链提取程序
    • US07581149B2
    • 2009-08-25
    • US11410155
    • 2006-04-25
    • Osamu Sugawara
    • Osamu Sugawara
    • G01R31/28
    • G01R31/318536
    • A scan-chain extracting method of the present invention includes a defining step of defining control-circuit scan chains provided in a test control circuit; an initial-value setting step of setting an initial value for the sequence circuit devices of the control-circuit scan chains; a state setting step of setting the scan chains to through states; an extracting step of extracting data regarding the scan chains; a determining step of determining whether or not data regarding all the scan chains have been extracted; and a changing step of changing the initial value for the sequence circuit devices included in the test control circuit connected to the sequence circuit devices located at the start points of the scan chains, when it is determined that not all data regarding the scan chains have been extracted.
    • 本发明的扫描链提取方法包括定义在测试控制电路中提供的控制电路扫描链的步骤; 初始值设定步骤,设定控制电路扫描链的顺序电路器件的初始值; 将扫描链设置为通过状态的状态设置步骤; 提取与扫描链相关的数据的提取步骤; 确定是否已经提取关于所有扫描链的数据的确定步骤; 以及改变步骤,当确定不是所有关于扫描链的所有数据都已经被扫描时,改变包括在连接到位于扫描链的起始点处的序列电路装置的测试控制电路中的序列电路装置的初始值 提取。
    • 6. 发明申请
    • Scan chain extracting method, test apparatus, circuit device, and scan chain extracting program
    • 扫描链提取方法,测试仪器,电路设备和扫描链提取程序
    • US20070174747A1
    • 2007-07-26
    • US11410155
    • 2006-04-25
    • Osamu Sugawara
    • Osamu Sugawara
    • G01R31/28
    • G01R31/318536
    • A scan-chain extracting method of the present invention includes a defining step of defining control-circuit scan chains provided in a test control circuit; an initial-value setting step of setting an initial value for the sequence circuit devices of the control-circuit scan chains; a state setting step of setting the scan chains to through states; an extracting step of extracting data regarding the scan chains; a determining step of determining whether or not data regarding all the scan chains have been extracted; and a changing step of changing the initial value for the sequence circuit devices included in the test control circuit connected to the sequence circuit devices located at the start points of the scan chains, when it is determined that not all data regarding the scan chains have been extracted.
    • 本发明的扫描链提取方法包括定义在测试控制电路中提供的控制电路扫描链的步骤; 初始值设定步骤,设定控制电路扫描链的顺序电路器件的初始值; 将扫描链设置为通过状态的状态设置步骤; 提取与扫描链相关的数据的提取步骤; 确定是否已经提取关于所有扫描链的数据的确定步骤; 以及改变步骤,当确定不是所有关于扫描链的所有数据都已经被扫描时,改变包括在连接到位于扫描链的起始点处的序列电路装置的测试控制电路中的序列电路装置的初始值 提取。
    • 7. 发明授权
    • Semiconductor device having a shallow isolation trench
    • 具有浅隔离沟槽的半导体器件
    • US06599811B1
    • 2003-07-29
    • US09249556
    • 1999-02-12
    • Kenya KazamaOsamu Sugawara
    • Kenya KazamaOsamu Sugawara
    • H01L2176
    • H01L21/76232H01L21/76229
    • A method for forming a semiconductor device having an isolation trench for separation of element regions includes the steps of forming a pad oxide film and a silicon nitride film on a silicon substrate, forming an isolation trench by using the silicon nitride film as a mask, forming consecutively a thermal oxide film, CVD oxide film and a bias oxide film in the isolation trench, removing the films above a specified level of the silicon substrate to leave the isolation trench filled with oxide films. The bias oxide film is formed by a high-density plasma CVD technique. The silicon surface is protected by the CVD oxide film against the plasma damage during the high-density CVD step, thereby obtaining excellent characteristics of transistors.
    • 用于形成具有用于分离元件区域的隔离沟槽的半导体器件的方法包括以下步骤:在硅衬底上形成衬垫氧化膜和氮化硅膜,通过使用氮化硅膜作为掩模形成隔离沟槽,形成 在隔离沟槽中连续地形成热氧化膜,CVD氧化物膜和偏置氧化膜,将膜移至高于硅衬底的指定电平以留下填充有氧化物膜的隔离沟槽。 偏置氧化膜通过高密度等离子体CVD技术形成。 在高密度CVD步骤期间,硅表面受到CVD氧化膜的抵抗等离子体损伤的保护,从而获得晶体管的优异特性。