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    • 4. 发明申请
    • TRANSISTOR
    • 晶体管
    • US20070278521A1
    • 2007-12-06
    • US11758304
    • 2007-06-05
    • Hidetoshi ISHIDATsuyoshi TANAKADaisuke UEDA
    • Hidetoshi ISHIDATsuyoshi TANAKADaisuke UEDA
    • H01L31/00
    • H01L29/7787H01L29/045H01L29/0891H01L29/1066H01L29/2003H01L29/432H01L29/452
    • There is provided a normally-off type transistor made of a nitride semiconductor. The transistor includes: an undoped GaN layer which forms a channel region; an undoped Al0.2Ga0.8N layer which is formed on the undoped GaN layer and has a band gap larger than that of the undoped GaN layer; a p-type Al0.2Ga0.8N control layer which is formed on the undoped Al0.2Ga0.8N layer, has a p-type conductivity and forms a control region; an Ni gate electrode which contacts with the p-type Al0.2Ga0.8N control layer; a Ti/Al source electrode and a Ti/Al drain electrode which are formed beside the p-type Al0.2Ga0.8N control layer; and an Ni ohmic electrode which is connected to the undoped GaN layer and serves as a hole absorbing electrode. With this transistor, it is possible to achieve a large-current operation and a high switching speed.
    • 提供了由氮化物半导体制成的常关型晶体管。 晶体管包括:形成沟道区的未掺杂的GaN层; 形成在未掺杂的GaN层上并且具有比未掺杂的GaN层的带隙大的带隙的未掺杂的Al 2 O 3 Ga 0.8 N N层; 在未掺杂的Al 0.2 Ga 0.8 N上形成的p型Al 0.2 N 0.2 Ga N N N N控制层 层,具有p型导电性并形成控制区; 与p型Al 0.2 Ga 0.8 N控制层接触的Ni栅电极; 在p型Al 0.2 Ga 0.8 N控制层旁边形成的Ti / Al源电极和Ti / Al漏电极; 以及连接到未掺杂的GaN层并用作空穴吸收电极的Ni欧姆电极。 利用该晶体管,可以实现大电流动作和高切换速度。
    • 8. 发明申请
    • SYSTEM AND METHOD FOR PERFORMANCE MONITORING AND RECONFIGURING COMPUTER SYSTEM WITH HARDWARE MONITOR
    • 具有硬件监视器的性能监控和重新配置计算机系统的系统和方法
    • US20080071939A1
    • 2008-03-20
    • US11771397
    • 2007-06-29
    • Tsuyoshi TANAKAYoshiki Murakami
    • Tsuyoshi TANAKAYoshiki Murakami
    • G06F3/00
    • G06F11/3419G06F11/3466G06F2201/87G06F2201/88
    • A judgment is made quickly about whether or not it is a memory or a chipset that is causing a performance bottleneck in an application program. A computer system of this invention includes at least one CPU, a controller that connects the CPU to a memory and to an I/O interface, in which the controller includes a response time measuring unit, which receives a request to access the memory and measures a response time taken to respond to the memory access request, a frequency counting unit, which measures an issue count of the memory access request, a measurement result storing unit, which stores a measurement result associating the response time with the corresponding issue count, and a measurement result control unit which outputs the measurement result stored in the measurement result storing unit when receiving a measurement result read request.
    • 快速判断是否是在应用程序中导致性能瓶颈的存储器或芯片组。 本发明的计算机系统包括至少一个CPU,将CPU连接到存储器和I / O接口的控制器,其中控制器包括响应时间测量单元,其接收访问存储器的请求并测量 对存储器访问请求进行响应的响应时间;测量存储器访问请求的发行次数的频率计数单元;存储将响应时间与相应发行次数相关联的测量结果的测量结果存储单元;以及 测量结果控制单元,当接收到测量结果读取请求时,输出存储在测量结果存储单元中的测量结果。
    • 10. 发明申请
    • MAP DATA, STORAGE MEDIUM AND NAVIGATION APPARATUS
    • 地图数据,存储介质和导航设备
    • US20110191357A1
    • 2011-08-04
    • US13014175
    • 2011-01-26
    • Tsuyoshi TANAKATakayuki Matsunaga
    • Tsuyoshi TANAKATakayuki Matsunaga
    • G06F17/30
    • G09B29/106G01C21/32
    • Map data is disclosed. The map data includes a multilink information list, a road name information list and an offset information list. The multilink information list has fixed-length multilink information elements each indicting a number of links contained in a corresponding multilink. The road name information list has road name information elements each indicating a road name of corresponding multilink information element. The road name information elements are arranged in the road name information list in an order in which the corresponding multilink information elements are arranged in the multilink information list. The offset information list has fixed-length offset information elements each indicating location of a corresponding road name information element in the road name information list. The offset information elements are arranged in the offset information list in an order in which the corresponding multilink information elements are arranged in the multilink information list.
    • 公开了地图数据。 地图数据包括多链路信息列表,道路名称信息列表和偏移信息列表。 多链路信息列表具有固定长度的多链路信息单元,每个单元指示包含在相应多链路中的链路数量。 道路名称​​信息列表具有道路名称信息元素,每个道路名称信息元素指示相应多链路信息元素的道路名称。 将道路名称信息单元按照多重链路信息单元中排列的顺序排列在道路名称信息列表中。 偏移信息列表具有各自指示道路名称信息列表中的相应道路名称信息元素的位置的固定长度偏移信息元素。 偏移信息元素按照多重链接信息元素排列在多链路信息列表中的顺序排列在偏移信息列表中。