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    • 13. 发明授权
    • Doppler velocity detection device and ultrasonographic device using the same
    • 多普勒速度检测装置及其使用的超声波装置
    • US07942821B2
    • 2011-05-17
    • US10580225
    • 2004-07-09
    • Shin-ichiro UmemuraTakashi AzumaTetsuya Hayashi
    • Shin-ichiro UmemuraTakashi AzumaTetsuya Hayashi
    • A61B8/00
    • G01S15/8981G01S15/8977
    • The present invention realizes a Doppler velocity detecting technique capable of performing velocity detection and analysis with a suppressed error while excellently distinguishing a clutter signal, and provides an ultrasonographic device using the technique. In a Doppler velocity detection device comprising means for transmitting/receiving pulse waves to/from a subject a plurality of times, and velocity analyzing means for analyzing a velocity of a moving reflector in the subject on the basis of a reception echo signal, the velocity analyzing means obtains a complex expansion coefficient by linearly connecting an expansion coefficient of an even-numbered degree term and an expansion coefficient of an odd-numbered degree term which is different from the even-numbered degree term by one degree, derived when reception echo time-series signals obtained by arranging reception echo signals of equal lapse time from pulse transmission times in order of the transmission times are expanded as components of a Legendre polynomial starting from the 0th degree, by using an imaginary unit as a coefficient, and obtains a signed velocity signal of a moving reflector in the subject on the basis of-the ratio between the magnitude of each complex expansion coefficient and the magnitude of an interval between the complex expansion coefficients.
    • 本发明实现了一种多普勒速度检测技术,其能够在抑制误差的同时进行速度检测和分析,同时优异地区分杂波信号,并提供使用该技术的超声波装置。 在多普勒速度检测装置中,包括用于多次向对象发送/接收脉搏波的装置,以及速度分析装置,用于根据接收回波信号分析被检体内的移动反射器的速度,速度 分析装置通过将偶数度项的展开系数和与偶数度项不同的奇数项的展开系数线性连接一度获得复数展开系数,当接收回波时间 通过使用虚数单位作为系数,将从发送时间的顺序的脉冲发送时间的等待通过时间的接收回波信号作为从第0度开始的勒让德多项式的分量扩展得到的系列信号, 基于每个复合扩张系数的大小之间的比例,对象中的移动反射器的速度信号 有效率和复合扩张系数间隔的大小。
    • 14. 发明授权
    • Semiconductor device
    • 半导体器件
    • US07910923B2
    • 2011-03-22
    • US11961221
    • 2007-12-20
    • Tetsuya HayashiMasakatsu HoshiHideaki TanakaShigeharu Yamagami
    • Tetsuya HayashiMasakatsu HoshiHideaki TanakaShigeharu Yamagami
    • H01L29/04
    • H01L27/088H01L21/32139H01L27/0605H01L29/0619H01L29/0623H01L29/1608H01L29/267H01L29/4236H01L29/66068H01L29/7828
    • A semiconductor device with superior long-term reliability is disclosed that alleviates current concentration into a switch structure arranged at an outermost portion. The semiconductor device comprises hetero semiconductor regions formed of polycrystalline silicon having a band gap width different from that of a drift region and hetero-adjoined with the drift region, a gate insulation film, a gate electrode adjoined to the gate insulation film, a source electrode connected to a source contact portion of the hetero semiconductor regions and an outermost switch structure and a repeating portion switch structure with a drain electrode connected to a substrate region. In a conduction state, the outermost switch structure comprises a mechanism in which the current flowing at the outermost switch structure becomes smaller than the current flowing at the repeating portion switch structure.
    • 公开了一种具有优异的长期可靠性的半导体器件,其将电流浓度减轻到布置在最外部的开关结构。 半导体器件包括由多晶硅形成的异质半导体区域,该多晶硅的带隙宽度与漂移区域的带隙宽度不同,并且与漂移区域异质相邻,栅极绝缘膜,与栅极绝缘膜邻接的栅电极,源电极 连接到异质半导体区域的源极接触部分和最外面的开关结构以及具有连接到衬底区域的漏电极的重复部分开关结构。 在导通状态下,最外面的开关结构包括一种机构,其中在最外侧开关结构处流动的电流变得小于在重复部分开关结构处流动的电流。
    • 15. 发明授权
    • Method of manufacturing semiconductor device
    • 制造半导体器件的方法
    • US07902025B2
    • 2011-03-08
    • US11773649
    • 2007-07-05
    • Tetsuya HayashiMasakatsu HoshiYoshio ShimoidaHideaki TanakaShigeharu Yamagami
    • Tetsuya HayashiMasakatsu HoshiYoshio ShimoidaHideaki TanakaShigeharu Yamagami
    • H01L21/336
    • H01L29/7828H01L29/0623H01L29/1608H01L29/267H01L29/66068
    • A semiconductor substrate made of a semiconductor material is prepared, and a hetero semiconductor region is formed on the semiconductor substrate to form a heterojunction in an interface between the hetero semiconductor region and the semiconductor substrate. The hetero semiconductor region is made of a semiconductor material having a bandgap different from that of the semiconductor material, and a part of the hetero semiconductor region includes a film thickness control portion whose film thickness is thinner than that of the other part thereof. By oxidizing the hetero semiconductor region with a thickness equal to the film thickness of the film thickness control portion, a gate insulating film adjacent to the heterojunction is formed. A gate electrode is formed on the gate insulating film. This makes it possible to manufacture a semiconductor device including the gate insulating film with a lower ON resistance, and with a higher insulating characteristic and reliability.
    • 制备由半导体材料制成的半导体衬底,并且在半导体衬底上形成异质半导体区域,以在异质半导体区域和半导体衬底之间的界面中形成异质结。 异质半导体区域由具有与半导体材料的带隙不同的带隙的半导体材料制成,并且异质半导体区域的一部分包括膜厚度比其他部分薄的膜厚控制部分。 通过以等于膜厚控制部分的膜厚的厚度氧化杂半导体区域,形成与异质结相邻的栅极绝缘膜。 在栅极绝缘膜上形成栅电极。 这使得可以制造包括具有较低导通电阻的栅极绝缘膜以及更高的绝缘特性和可靠性的半导体器件。
    • 18. 发明申请
    • DRAWING DEVICE AND METHOD, AND COMPUTER PROGRAM
    • 绘图设备和方法以及计算机程序
    • US20090309953A1
    • 2009-12-17
    • US12519619
    • 2006-12-25
    • Tetsuya Hayashi
    • Tetsuya Hayashi
    • B41J2/47
    • G11B7/0037G11B7/00736
    • A drawing device (1) for performing drawing processing for drawing a desired pattern on a label surface (122) of a recording medium. The drawing device (1) has input element (42) for receiving from a user a desired pattern to be drawn, drawing element (13) for drawing the received desired pattern on the label surface by applying a laser beam to the label surface, and management information recording element (32) for recording, each time when a desired pattern is drawn on a label surface, management information in which the desired pattern drawn and identification information unique to the recording medium having the label surface on which the drawing is made are associated with each other.
    • 一种绘图装置(1),用于在记录介质的标签表面(122)上执行用于绘制所需图案的绘图处理。 绘图装置(1)具有用于从用户接收要绘制的期望图案的输入元件(42),用于通过向标签表面施加激光束来在标签表面上绘制接收到的期望图案的绘图元件(13),以及 管理信息记录元件(32),每当在标签表面上绘制期望的图案时,其中绘制所需图案的管理信息和具有绘制标签表面的记录介质特有的识别信息是管理信息记录元件 相互联系。