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    • 4. 发明授权
    • Semiconductor acceleration sensor with movable electrode
    • 具有可移动电极的半导体加速度传感器
    • US5572057A
    • 1996-11-05
    • US360940
    • 1994-12-21
    • Toshimasa YamamotoYukihiro TakeuchiYoshinori OhtsukaKazuhiko Kano
    • Toshimasa YamamotoYukihiro TakeuchiYoshinori OhtsukaKazuhiko Kano
    • G01P15/08G01P15/125H01L29/82
    • G01P15/0802G01P15/125G01P2015/0814G01P2015/0828Y10S73/01
    • Adverse effects due to electrostatic force between a semiconductor substrate and a movable electrode are avoided with a new structure. A movable electrode of beam structure is disposed at a specified interval above a p-type silicon substrate. Fixed electrodes, each composed of an impurity diffusion layer, are disposed on both sides of the movable electrode on the p-type silicon substrate; these fixed electrodes are self-aligningly with respect to the movable electrode. The movable electrode is displaced in accompaniment to the action of acceleration, and acceleration is detected by change (fluctuation) in current between the fixed electrodes generated by means of this displacement. Additionally, an electrode for movable electrode upward-movement use is disposed above the movable electrode, a potential difference is given between the movable electrode and the electrode for movable electrode upward-movement use, and attractive force of the movable electrode to the silicon substrate is alleviated.
    • 通过新的结构避免了由于半导体衬底和可移动电极之间的静电力引起的不利影响。 光束结构的可移动电极以指定的间隔设置在p型硅衬底上方。 每个由杂质扩散层构成的固定电极设置在p型硅衬底上的可移动电极的两侧; 这些固定电极相对于可动电极自对准。 可移动电极伴随着加速度的作用而移动,并且通过由该位移产生的固定电极之间的电流的变化(波动)来检测加速度。 另外,可动电极向上移动用的电极设置在可动电极的上方,在可动电极向上移动用的电极之间施加电位差,并且可移动电极对硅衬底的吸引力为 缓解
    • 5. 发明授权
    • Pulse phase difference encoding circuit
    • 脉冲相位差编码电路
    • US5568071A
    • 1996-10-22
    • US375252
    • 1995-01-19
    • Kouichi HoshinoTakamoto WatanabeYoshinori Ohtsuka
    • Kouichi HoshinoTakamoto WatanabeYoshinori Ohtsuka
    • H03K5/26G01R25/00G01R25/08G04F10/00G04F10/04H03K21/00
    • G04F10/00G01R25/08G04F10/04
    • A pulse phase difference encoding circuit provides a digital signal indicating a phase difference between a first input pulse and a second input pulse. The first input pulse is provided to and circulated in a ring signal delay circuit having a plurality of signal delay elements that are connected in series. Intermediate points between the delay elements provide delayed pulses having different delay times. Upon receiving the second input pulse, a selector selects one delay pulse provided by the delay element at which the first input pulse has arrived, and generates a digital positional signal indicating a position of the selected delay element. The number of rounds of circulation of the first input pulse in the ring signal delay circuit is separately counted. According to the number of rounds of circulation of the first pulse and the positional signal, the digital signal indicating the phase difference between the first and second input pulses is formed.
    • 脉冲相位差编码电路提供指示第一输入脉冲和第二输入脉冲之间的相位差的数字信号。 将第一输入脉冲提供给具有串联连接的多个信号延迟元件的环形信号延迟电路并循环。 延迟元件之间的中间点提供具有不同延迟时间的延迟脉冲。 在接收到第二输入脉冲时,选择器选择由第一输入脉冲到达的延迟元件提供的一个延迟脉冲,并产生指示所选择的延迟元件的位置的数字位置信号。 环路信号延迟电路中的第一输入脉冲的循环次数被分开计数。 根据第一脉冲的循环次数和位置信号,形成表示第一和第二输入脉冲之间的相位差的数字信号。
    • 6. 发明授权
    • Semiconductor accelerometer
    • 半导体加速度计
    • US5504356A
    • 1996-04-02
    • US152505
    • 1993-11-16
    • Yukihiro TakeuchiToshimasa YamamotoYoshinori OhtsukaShigeyuki AkitaTadashi HattoriKazuhiko KanouHirotane Ikeda
    • Yukihiro TakeuchiToshimasa YamamotoYoshinori OhtsukaShigeyuki AkitaTadashi HattoriKazuhiko KanouHirotane Ikeda
    • G01P15/08G01P15/12H01L29/78H01L29/84
    • G01P15/124G01P15/0802
    • This invention aims at providing a novel semiconductor accelerometer comprising a smaller number of substrates and a production method thereof.An insulating film is formed on a main plane of a P-type silicon substrate, and a beam-like movable electrode is formed on the insulating film. Fixed electrodes are then formed on both sides of the movable electrode in self-alignment with the movable electrode by diffusing an impurity into the P-type silicon substrate, and the insulating film below the movable electrode is etched and removed. There is thus produced a semiconductor accelerometer comprising the P-type silicon substrate 1, the movable electrode 4 having the beam structure and disposed above the P-type silicon substrate 1 with a predetermined gap between them, and the fixed electrodes 8, 9 consisting of the impurity diffusion layer and formed on both sides of the movable electrode 4 on the P-type silicon substrate 1 in self-alignment with the movable electrode 4. This sensor can detect acceleration from the change (increase/decrease) of a current between the fixed electrodes 8 and 9 resulting from the displacement of the movable electrode 4 due to acceleration.
    • 本发明的目的在于提供一种新型的半导体加速度计,其包括较少数量的基板及其制造方法。 在P型硅基板的主平面上形成绝缘膜,在绝缘膜上形成有束状的可动电极。 然后通过将杂质扩散到P型硅衬底中,在可动电极的两侧与可动电极自对准地形成固定电极,蚀刻除去可动电极下面的绝缘膜。 因此,制造了包括P型硅衬底1,具有光束结构的可动电极4并且在它们之间具有预定间隙并且设置在P型硅衬底1上方的固定电极8,9的半导体加速度计, 该杂质扩散层形成在与可动电极4自对准的P型硅衬底1上的可动电极4的两侧。该传感器可以从电流的变化(增加/减少) 固定电极8和9由于加速而由可动电极4的位移而产生。
    • 8. 发明申请
    • Replacement part and image forming apparatus
    • 更换部件和成像装置
    • US20060184929A1
    • 2006-08-17
    • US11349989
    • 2006-02-09
    • Yoshinori Ohtsuka
    • Yoshinori Ohtsuka
    • G06F9/44
    • G06F8/65
    • An image forming apparatus includes a developing unit, which is detachably installed in the image forming apparatus, and a setting storage section, which stores firmware. The developing unit includes an IC tag for storing an update program for updating the firmware of the image forming apparatus. The image forming apparatus includes a detection section for detecting that the developing unit is installed in the image forming apparatus, a program acquisition section for acquiring the update program from the IC tag, and an update program execution section for executing the update program so as to perform a writing function of updating the firmware. This makes it possible to provide an image forming apparatus, which does not receive data from outside via a communication device, but which allows automatic version upgrading of the firmware serving as software for operating the image forming apparatus.
    • 图像形成装置包括可拆卸地安装在图像形成装置中的显影单元和存储固件的设置存储部分。 显影单元包括用于存储用于更新图像形成装置的固件的更新程序的IC标签。 图像形成装置包括用于检测显影单元安装在图像形成装置中的检测部分,用于从IC标签获取更新程序的程序获取部分和用于执行更新程序的更新程序执行部件, 执行更新固件的写入功能。 这使得可以提供一种图像形成装置,其不经由通信装置从外部接收数据,但是允许作为用于操作图像形成装置的软件的固件的自动版本升级。
    • 9. 发明授权
    • Method for manufacturing magnetic head
    • 磁头制造方法
    • US06692977B2
    • 2004-02-17
    • US10341016
    • 2003-01-13
    • Minoru HasegawaYoshinori Ohtsuka
    • Minoru HasegawaYoshinori Ohtsuka
    • H01L2100
    • G11B5/3967G11B5/313G11B5/3163Y10S438/95
    • A method is provided for manufacturing a magnetic head for recording information on a magnetic recording medium in the form of a direction of magnetization, which enables manufacture of a magnetic head with gaps between turns of a conductive material constituting a coil being filled with an insulating material without any void and heat generation in the coil being suppressed. A photoresist with a higher flowability than an insulating material containing a metal element is applied to the coil. A part of the photoresist applied to the coil which covers the conductive material constituting the coil is removed by exposure and development, and on the conductive material, an insulating metal compound layer made of an insulating material containing a metal element and having a higher thermal conductivity than the photoresist is formed and polished for flattening.
    • 提供了一种制造用于以磁化方向的方式在磁记录介质上记录信息的磁头的方法,其能够制造具有填充有绝缘材料的构成线圈的导电材料的匝之间的间隙的磁头 在线圈中没有任何空隙和发热被抑制。 具有比含有金属元素的绝缘材料更高的流动性的光致抗蚀剂被施加到线圈。 通过曝光和显影去除涂覆在覆盖构成线圈的导电材料的线圈上的光致抗蚀剂的一部分,并且在导电材料上,由含有金属元素并具有较高导热性的绝缘材料制成的绝缘金属化合物层 比形成光致抗蚀剂并进行平坦化抛光。