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    • 2. 发明授权
    • LC element manufacturing method
    • LC元件制造方法
    • US5846845A
    • 1998-12-08
    • US476276
    • 1995-06-07
    • Takeshi IkedaTsutomu NakanishiAkira Okamoto
    • Takeshi IkedaTsutomu NakanishiAkira Okamoto
    • H01L27/08H03B5/12H03B5/18H03H7/01H01L21/77
    • H03H7/0115H01L27/08H03B5/1841H03H7/0123H01L2924/0002H03H2001/0064H03H2001/0071H03H2001/0078
    • An LC element, semiconductor device and a manufacturing method thereof whereby a channel 22 is formed by applying a voltage to a gate electrode 10 having a predetermined shape formed on a p-Si substrate 30 via an insulation layer 26, whereby a connection is formed between a first diffusion region 12 and a second diffusion region 14 formed at separated positions near the surface of the p-Si substrate 30; both the channel 22 gate electrode 10 function as inductors, and between these a distributed constant type capacitor is formed, and possessing excellent attenuation characteristics over a wide band. This LC element and semiconductor device can be easily manufactured by using MOS manufacturing technology; in the case of manufacturing as a portion of a semiconductor substrate, component assembly work in subsequent processing can be omitted. Also these can be formed as a portion of an IC or LSI device.
    • 一种LC元件,半导体器件及其制造方法,通过经由绝缘层26向在p-Si衬底30上形成的具有预定形状的栅电极10施加电压而形成沟道22,由此在 形成在p-Si衬底30的表面附近的分离位置处的第一扩散区域12和第二扩散区域14; 沟道22栅电极10都用作电感器,并且形成分布常数型电容器,并且在宽带上具有优异的衰减特性。 该LC元件和半导体器件可以通过使用MOS制造技术容易地制造; 在制造半导体基板的一部分的情况下,可以省略后续处理中的部件组装工作。 而且这些也可以形成为IC或LSI器件的一部分。
    • 3. 发明授权
    • Tuning circuit including a plurality of cascade connected tuning
amplifier sections
    • 调谐电路包括多个级联连接的调谐放大器部分
    • US6058295A
    • 2000-05-02
    • US860428
    • 1997-06-23
    • Takeshi IkedaTadataka OheTsutomu Nakanishi
    • Takeshi IkedaTadataka OheTsutomu Nakanishi
    • H03H11/04H03H11/12H03H11/20H03H11/48H04B1/18
    • H03H11/20H03H11/04H03H11/1291H03H11/481H03H11/485
    • A tuning circuit which has a wide tuning bandwidth. The tuning bandwidth or the tuning frequency can be easily changed. The tuning circuit 1 is imposed of two cascade-connected tuning amplifier sections 2 and 3. Each of the sections 2 and 3 is provided with cascade-connected phase-shifting circuits 10C and 30C, a non-inverting circuit 50, a voltage dividing circuit 160, and an adding circuit composed of a feedback resistor 70 and an input resistor 74. Prescribed tuning operation is performed by shifting the prescribed frequency 360.degree. by means of the phase shifting circuits 10C and 30C and setting the open loop gain of a feedback loop at less than 1 when the output of the voltage dividing circuit 160 is feedback. The resistance ratio between the feedback resistor 70 and the input resistor 74 of each section 2, 3 is adjusted so that the maximum damping of each section 2, 3 may become smaller and the tuning bandwidth of each section 2, 3 becomes wider. Therefore, since the two tuning amplifier sections are cascade-connected, the maximum damping is increased and the tuning bandwidth is widened as a whole.
    • PCT No.PCT / JP96 / 00027 Sec。 371日期:1997年6月23日 102(e)日期1997年6月23日PCT 1996年1月11日PCT PCT。 公开号WO96 / 21969 日期1996年7月18日具有宽调谐带宽的调谐电路。 调谐带宽或调谐频率可以轻松改变。 调谐电路1由两个级联连接的调谐放大器部分2和3施加。部分2和3中的每一个设置有级联连接的移相电路10C和30C,非反相电路50,分压电路 160,以及由反馈电阻70和输入电阻74组成的加法电路。通过移相电路10C和30C移动规定频率360°进行调谐操作,并设定反馈回路的开环增益 当分压电路160的输出反馈时小于1。 每个部分2,3的反馈电阻器70和输入电阻器74之间的电阻比被调节,使得每个部分2,3的最大阻尼可能变小,并且每个部分2,3的调谐带宽变宽。 因此,由于两个调谐放大器部分级联连接,所以最大阻尼增加,并且调谐带宽整体上扩大。
    • 4. 发明授权
    • Tuning circuit
    • 调谐电路
    • US6081157A
    • 2000-06-27
    • US860402
    • 1997-06-23
    • Takeshi IkedaTadataka OheTsutomu Nakanishi
    • Takeshi IkedaTadataka OheTsutomu Nakanishi
    • H03H7/01H03H11/12H03H11/20H03H11/48H03F3/191
    • H03H11/1217H03H11/1291H03H11/20H03H11/481H03H11/483H03H11/485H03H2210/012H03H2210/015H03H2210/026H03H2210/028
    • A tuning circuit which has a wide tuning bandwidth. The tuning bandwidth of the tuning frequency can be easily changed. The tuning circuit 1 is composed of two cascade-connected tuning amplifier sections 2 and 3. Each of the sections 2 and 3 is provided with cascade-connected phase-shifting circuits 10C and 30C, a voltage dividing circuit 60, and an adding circuit composed of a feedback resistor 70 and an input resistor 74. Prescribed tuning operation is performed by shifting the phase of a prescribed frequency by 360.degree. by means of the phase shifting circuits 10C and 30C and setting the open loop gain of a feedback loop at less than 1 when the output of the voltage dividing circuit 60 is feedback. The resistance ratio between the feedback resistor 70 and input resistor 74 of each tuning amplifier section is adjusted in order that the maximum damping of each tuning amplifier section becomes smaller and the tuning bandwidth of each amplifier section becomes wider. Therefore, since the tuning amplifier sections are cascade-connected, the maximum damping is increased and the tuning bandwidth is widened as a whole.
    • PCT No.PCT / JP96 / 00026 Sec。 371日期:1997年6月23日 102(e)日期1997年6月23日PCT 1996年1月11日PCT PCT。 公开号WO96 / 21970 日期1996年7月18日具有宽调谐带宽的调谐电路。 调谐频率的调谐带宽可以很容易地改变。 调谐电路1由两个级联连接的调谐放大器部分2和3组成。每个部分2和3都设有级联的移相电路10C和30C,分压电路60和加法电路 反馈电阻器70和输入电阻器74.通过移相电路10C和30C将规定频率的相位移位360度,并将反馈回路的开环增益设定为小于等于 1,当分压电路60的输出反馈时。 调整每个调谐放大器部分的反馈电阻器70和输入电阻器74之间的电阻比,使得每个调谐放大器部分的最大阻尼变小,并且每个放大器部分的调谐带宽变宽。 因此,由于调谐放大器部分级联连接,所以最大阻尼增加,调谐带宽整体变宽。
    • 6. 发明授权
    • Inductor element
    • 电感元件
    • US06922126B1
    • 2005-07-26
    • US09980959
    • 1999-05-18
    • Akira OkamotoTakeshi Ikeda
    • Akira OkamotoTakeshi Ikeda
    • H01F17/00H01F27/34H01L27/08H01F5/00
    • H01F17/0013H01F17/0006H01F27/34H01F2017/0046H01F2017/008H01L27/08
    • An inductor element 10 effectively functions even when formed on a substrate and comprises two upper and lower conductors 1, 2 spirally formed on the front side of a semiconductor substrate 3. The conductors 1, 2 have substantially the same shape. When viewed from the above of the front side of the substrate 3, the two conductors 1, 2 are superposed one on the other almost exactly. Lead wires 6a, 6b are connected to the outer end (outer peripheral end) and the inner end (center end) of the conductor 1, respectively. The outer end of the conductor 1 is connected to the inner end of the conductor 2 through a connection wire 6c. The conductor 1 functions as an inductor conductor and is connected to a circuit provided on the semiconductor substrate 3 through the lead wires 6a, 6b.
    • 电感元件10即使在基板上形成时也能有效地起作用,并且包括在半导体基板3的前侧螺旋地形成的两个上下导体1,2。 导体1,2具有基本相同的形状。 当从基板3的正面的上方观察时,两个导体1,2几乎精确地重叠在一起。 导线6a,6b分别连接到导体1的外端(外周端)和内端(中心端)。 导体1的外端通过连接线6c连接到导体2的内端。 导体1用作电感器导体,并且通过引线6a,6b连接到设置在半导体衬底3上的电路。
    • 8. 发明授权
    • Wristwatch type cellular phone
    • 手表型手机
    • US07280844B2
    • 2007-10-09
    • US10710529
    • 2004-07-19
    • Takeshi IkedaAkira Okamoto
    • Takeshi IkedaAkira Okamoto
    • H04M1/00
    • G04G21/04H04B1/385
    • A plurality of plane antennas 6-1 and 6-2 are embedded in the equipment body section 1, and every time occurrence of reception failure is detected by the internal electronics circuit, switching between the antennas used is established. Spatial diversity through selectively switching and using the plurality of plane antennas 6-1 and 6-2 is performed. Through this, even when reception sensitivity of one antenna in use deteriorates, good reception sensitivity can be gained through switching to another antenna. Thus, this can avoid inconvenience where calls are cut off.
    • 多个平面天线6-1和6-2嵌入在设备主体部分1中,并且每当内部电子电路检测到接收失败的每次发生时,建立所使用的天线之间的切换。 执行通过选择性地切换和使用多个平面天线6-1和6-2的空间分集。 由此,即使使用一个天线的接收灵敏度劣化,也可以通过切换到另一个天线来获得良好的接收灵敏度。 因此,这可以避免呼叫被切断时的不便。
    • 10. 发明授权
    • Inductor element
    • 电感元件
    • US06906610B1
    • 2005-06-14
    • US10018606
    • 2000-07-06
    • Akira OkamotoTakeshi Ikeda
    • Akira OkamotoTakeshi Ikeda
    • H01F17/00H01L27/08H01F5/00
    • H01F17/0013H01F2017/0046H01L27/08
    • An inductor element 100 capable of functioning properly on a substrate includes two similarly shaped conductors such as spiral conductors 120, 122 formed on the surface of a semiconductor substrate 110. The upper conductor 120 and the lower conductor 122 have substantially the same shape, and the inner end of the conductor 120 is connected electrically with the outer end of the conductor 122. The outer and inner ends of the conductor 120 are connected with lead wires 130, 132, respectively, and the lead wire 132 connected to the inner end is led between the lower conductor 122 and the semiconductor substrate 110 to the periphery of the substrate.
    • 能够在衬底上正常工作的电感器元件100包括两个类似形状的导体,例如形成在半导体衬底110的表面上的螺旋形导体120,122。 上导体120和下导体122具有基本上相同的形状,并且导体120的内端与导体122的外端电连接。 导体120的外端和内端分别与引线130,132连接,并且连接到内端的引线132被引导到下导体122和半导体基板110之间到基板的周边。