会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明授权
    • Static induction transistor
    • 静电感应晶体管
    • US5184201A
    • 1993-02-02
    • US793235
    • 1991-11-08
    • Shinobu AokiHaruo TakagiTakanori Okabe
    • Shinobu AokiHaruo TakagiTakanori Okabe
    • H01L21/335H01L29/739
    • H01L29/66416H01L29/739
    • A static induction transistor has a gate region formed with a protrusion extending toward a drain region. The protrusion is located toward one side of the gate region such that a shallower gate region lies between the protrusion and the nearest source region. When a reverse voltage higher than the withstand voltage is applied between the gate and drain, avalanche breakdown occurs only in a region immediately below the protrusion, and no hot carriers are allowed to flow into a source region. Deterioration of the voltage-withstanding property and destruction of the device is thereby prevented. Another embodiment has a semiconductor region of a first conductivity type formed in a peripheral portion of a semiconductor layer of the first conductivity type in which a plurality of gate regions are disposed and adjacent a first major surface thereof. The distance between the semiconductor region and the nearest gate region is less than the distance between gate and drain regions such that the withstand voltage between the semiconductor region and the nearest gate region is less than that between the gate region and drain region. When a reverse bias voltage higher than a withstand voltage is applied between the gate and drain, the avalanche breakdown occurs only between the semiconductor region and the gate region nearest thereto.
    • 静电感应晶体管具有形成有朝向漏极区延伸的突起的栅极区域。 突起位于栅极区域的一侧,使得较浅的栅极区域位于突起和最近的源极区域之间。 当在栅极和漏极之间施加高于耐压的反向电压时,雪崩击穿仅在突起的正下方的区域中发生,并且不允许热载流子流入源区。 从而防止了耐压性能的劣化和装置的破坏。 另一实施例具有形成在第一导电类型的半导体层的周边部分中的第一导电类型的半导体区域,其中多个栅极区域设置并邻近其第一主表面。 半导体区域和最近的栅极区域之间的距离小于栅极和漏极区域之间的距离,使得半导体区域和最近的栅极区域之间的耐受电压小于栅极区域和漏极区域之间的耐受电压。 当在栅极和漏极之间施加高于耐电压的反向偏置电压时,雪崩击穿仅在半导体区域和与其最接近的栅极区域之间发生。
    • 6. 发明申请
    • PROCESS FOR PRODUCING AROMATIC HYDROCARBON
    • 生产芳香烃的方法
    • US20100185034A1
    • 2010-07-22
    • US12452990
    • 2008-07-31
    • Toru NishimuraShinobu AokiYan Liu
    • Toru NishimuraShinobu AokiYan Liu
    • C07C2/52
    • B01J29/7876B01J29/48B01J37/0201B01J37/08B01J37/18C07C2/76C07C2529/78C10G2400/30C07C15/00
    • Provided is a process for producing an aromatic hydrocarbon using a molybdenum-containing solid catalyst, more specifically a process for producing an aromatic hydrocarbon efficiently from a lower hydrocarbon gas essentially containing methane by activating the molybdenum-containing solid catalyst with maintaining a high yield for a long period of time.The process comprises a pre-contacting step of allowing a molybdenum-containing solid catalyst to contact with a pre-contacting gas comprising at least one selected from a lower hydrocarbon and a hydrogen gas; and a reaction step of allowing the pre-contacted catalyst to contact with a raw material gas essentially containing methane, to generate an aromatic hydrocarbon, wherein the starting temperature in the pre-contacting step is lower than the reaction temperature, and the temperature during the pre-contacting step from the beginning to the end is not over the reaction temperature.
    • 本发明提供使用含钼固体催化剂制造芳族烃的方法,更具体地说,是从基本上含有甲烷的低级烃气体中有效地制备芳族烃的方法,其中通过使维持高收率的钼含量的固体催化剂活化 很长一段时间 该方法包括使含钼固体催化剂与包含选自低级烃和氢气中的至少一种的预接触气体接触的预接触步骤; 以及使预接触催化剂与基本上含甲烷的原料气体接触以产生芳族烃的反应步骤,其中预接触步骤中的起始温度低于反应温度,而在 从开始到结束的预接触步骤不超过反应温度。
    • 8. 发明授权
    • Preparation process of cinnamate ester
    • 肉桂酸酯的制备方法
    • US5179224A
    • 1993-01-12
    • US769481
    • 1991-10-01
    • Usaji TakakiYoshihiro YamamotoToshio MatsuhisaIsamu SudoShinobu Aoki
    • Usaji TakakiYoshihiro YamamotoToshio MatsuhisaIsamu SudoShinobu Aoki
    • C07C69/618
    • C07C69/618Y02P20/584
    • Disclosed herein is a process for preparing a corresponding cinnamate ester by reacting a styrene compound, carbon monoxide, an alcohol and oxygen by the use of (1) metallic palladium or a compound thereof, (2) a copper compound, (3) a compound of at least one metal selected from Groups 4A, 5A, 7A, 8A (the iron group only) and 2B in the Periodic Table and (4) a halogen compound as a catalyst which comprises treating the catalyst components recovered from the reaction liquid after completion of the reaction with an oxidizing agent in the presence of an organic acid to regenerate their catalytic activity, using the resulting catalyst components again in the reaction as a catalyst and repeating the foregoing procedure.The regenerated catalyst is recovered in catalytic activity to the extent of that of a fresh catalyst and thus gives a high reaction performance in the subsequent reaction. Thus, the catalyst containing expensive metal can be used circulatively.
    • 本文公开了通过使用(1)金属钯或其化合物使苯乙烯化合物,一氧化碳,醇和氧反应制备相应的肉桂酸酯的方法,(2)铜化合物,(3)化合物 的选自4A,5A,7A,8A(仅铁族)和2B中的至少一种金属,以及(4)作为催化剂的卤素化合物,其包括在完成后处理从反应液中回收的催化剂成分 在有机酸存在下与氧化剂反应以再生其催化活性,在反应中再次使用所得催化剂组分作为催化剂,并重复上述步骤。 再生催化剂的催化活性回收到新鲜催化剂的催化活性,因此在随后的反应中得到高的反应性能。 因此,可以循环使用含有贵金属的催化剂。
    • 10. 发明授权
    • DC to DC converter with pseudo constant switching frequency
    • 直流到直流转换器具有伪恒定开关频率
    • US08476887B2
    • 2013-07-02
    • US12367384
    • 2009-02-06
    • Tetsuo TateishiShinobu Aoki
    • Tetsuo TateishiShinobu Aoki
    • G05F1/40
    • G05F1/46H02M1/44H02M3/1588H02M2001/0032Y02B70/1466Y02B70/16
    • Various apparatuses, methods and systems for a DC to DC converter with a pseudo constant switching frequency are disclosed herein. For example, some embodiments provide a DC to DC converter having a switch connected to a switching node to control a voltage of the switching node, and a switching controller that is adapted to turn on and off the switch at a substantially constant frequency based at least in part on the voltage of the switching node. The switching controller includes a modulator connected to a control electrode of the switch and that is adapted to actuate and deactuate the switch, and a first timer that is connected to the switching node and to the modulator. The first timer uses the voltage of the switching node to determine an on-time for the switch.
    • 本文公开了具有伪恒定切换频率的DC-DC转换器的各种装置,方法和系统。 例如,一些实施例提供一种具有连接到开关节点的开关以控制开关节点的电压的DC至DC转换器,以及适于基于至少基本上恒定的频率来接通和断开开关的开关控制器 部分是交换节点的电压。 开关控制器包括连接到开关的控制电极并且适于致动和停用开关的调制器,以及连接到开关节点和调制器的第一定时器。 第一个定时器使用交换节点的电压来确定交换机的接通时间。