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公开(公告)号：US5146379A
公开(公告)日：1992-09-08
申请号：US707730
申请日：1991-05-30
申请人： Tetsuya Iwata , Yutaka Sakurai
发明人： Tetsuya Iwata , Yutaka Sakurai
CPC分类号： G11B5/3143 , G11B5/1878 , G11B5/3106
摘要： A thin film magnetic head of the present invention comprises an insulating layer and a protective layer both of which are made of a magnetic material or a nonmagnetic material containing a magnetic material so as to inhibit the contour effect which is a trouble in making an attempt to increase the recording density.
摘要翻译： 本发明的薄膜磁头包括绝缘层和保护层，它们都是由磁性材料制成，或者是包含磁性材料的非磁性材料，以便抑制轮廓效应，这是试图尝试 增加记录密度。
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公开(公告)号：US5307687A
公开(公告)日：1994-05-03
申请号：US890245
申请日：1992-05-29
申请人： Masatsugu Arai , Akiomi Kohno , Kazuaki Yokoi , Yuuji Yoshitomi , Yutaka Sakurai , Tamio Ishihara
发明人： Masatsugu Arai , Akiomi Kohno , Kazuaki Yokoi , Yuuji Yoshitomi , Yutaka Sakurai , Tamio Ishihara
IPC分类号： G01F1/58
摘要： An electromagnetic flowmeter for measuring the flow rate of a fluid. The flowmeter has a measuring tube made of ceramics and defining a fluid passage therein for the fluid, electrodes having ends exposed to an interior of the measuring tube through holes which are formed in a wall of the measuring tube, a magnetic field generating device disposed around the electrodes, and a case encasing the measuring tube, the electrodes and the magnetic field generating means. A ratio t/R between a wall thickness t and a mean radius R of the measuring tube is determined such that stress generated in the measuring tube by the fluid in the measuring tube does not exceed the rupture stress of the measuring tube. The measuring tube can have flanges on both axial ends thereof, a radial height of the flange from an outer surface of the measuring tube is not greater than the wall thickness of the tube when the tube is made of Al.sub.2 O.sub.3 and not greater than a value three times as large as the tube wall thickness when the tube is made of Si.sub.3 N.sub.4. The electrodes may be made from Ni or an Ni alloy and are secured to the measuring tube by press-fitting into holes formed in the tube wall or by jointing. The electromagnetic flowmeter thus obtained exhibits high strength and reliability and high degree of gas-tightness in the tube portions around the electrodes.
摘要翻译： 一种用于测量流体流量的电磁流量计。 流量计具有由陶瓷制成的测量管，用于流体的流体通道，具有暴露于测量管内部的端部的电极，通孔形成在测量管的壁中，磁场产生装置设置在 电极和封装测量管的壳体，电极和磁场产生装置。 确定测量管的壁厚t和平均半径R之间的比率t / R，使得由测量管中的流体在测量管中产生的应力不超过测量管的破裂应力。 测量管在其两个轴向端都可以具有凸缘，当管由Al2O3制成并且不大于三值时，法兰从测量管的外表面的径向高度不大于管的壁厚 当管由Si 3 N 4制成时，管壁厚度的倍数。 电极可以由Ni或Ni合金制成，并通过压配合到形成在管壁中的孔或通过接合而固定到测量管。 由此获得的电磁流量计在电极周围的管部显示出高的强度和可靠性以及高气密性。
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公开(公告)号：US4680627A
公开(公告)日：1987-07-14
申请号：US838713
申请日：1986-03-12
CPC分类号： H05K1/0269 , G01N21/95607 , G06K9/6203 , H05K2201/09781 , H05K2201/10204 , H05K2203/163
摘要： In an apparatus for checking patterns on printed circuit boards by comparing two patterns formed on two printed circuit boards, registration patterns each including orthogonal straight line segments and respectively formed on the two printed circuit boards are imaged by two imagers, and registration images from the imagers are matched by means of a registration unit to accurately match an image of a pattern to be checked on one printed circuit board with an image of a reference pattern on the other printed circuit board.
摘要翻译： 在通过比较在两个印刷电路板上形成的两个图案来检查印刷电路板上的图案的装置中，分别形成在两个印刷电路板上的正交直线段的配准图案由两个成像器成像，并且来自成像器的记录图像 通过注册单元进行匹配，以在一个印刷电路板上精确地匹配要检查的图案的图像与另一个印刷电路板上的参考图案的图像。
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公开(公告)号：US5526698A
公开(公告)日：1996-06-18
申请号：US127831
申请日：1993-09-28
申请人： Yutaka Sakurai , Tamio Ishihara
发明人： Yutaka Sakurai , Tamio Ishihara
IPC分类号： G01F1/58
CPC分类号： G01F1/588
摘要： A capacitance type electromagnetic flowmeter whose output is relatively free from fluctuations caused by external vibrations has a flow tube supported in a casing member by means of members having elasticity and viscosity (e.g., O-rings). Magnetic parts such as coils and a core are fixed to the casing member so as to define a space therewith, and protective rings are kept liquid-tight with respect to the flow tube by O-rings interposed therebetween. The equivalent mass of the flowmeter section vibrating integrally with the flow tube is reduced to increase the resonance frequency. Further, since the flow tube is insulated from vibrations of the protective rings, the flow is less subject to vibrations, thereby decreasing fluctuations in output due to external vibrations.
摘要翻译： 其输出相对不受外部振动引起的波动的电容型电磁流量计具有通过具有弹性和粘度的构件（例如，O形圈）支撑在壳体构件中的流管。 诸如线圈和芯之类的磁性部件被固定到壳体部件上，以便与其形成一个空间，并且保护环相对于流动管通过其间的O形环保持液密。 与流量管整体振动的流量计部分的等效质量减小以增加共振频率。 此外，由于流管与保护环的振动绝缘，所以流动较少受到振动，从而减少由于外部振动引起的输出波动。
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5.发明授权Magnetic head supporting structure with thick and thin portions for an information recording apparatus 失效用于信息记录装置的具有厚和薄部分的磁头支撑结构
公开(公告)号：US5126904A
公开(公告)日：1992-06-30
申请号：US616137
申请日：1990-11-20
申请人： Yutaka Sakurai
发明人： Yutaka Sakurai
CPC分类号： G11B5/4833 , G11B5/5582
摘要： Disclosed is a magnetic head supporting structure of the type which is in the form of a supporting plate or load beam and which supports a magnetic head at its free end. This magnetic head supporting structure comprises a flat section which includes thick-walled portions and thin-walled portions so as to form a pattern thereon.
摘要翻译： 公开了一种磁头支撑结构，其类型为支撑板或负载梁的形式，并且在其自由端处支撑磁头。 该磁头支撑结构包括平坦部分，其包括厚壁部分和薄壁部分，以在其上形成图案。
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公开(公告)号：US4306460A
公开(公告)日：1981-12-22
申请号：US103407
申请日：1979-12-13
申请人： Yutaka Sakurai , Takeo Nagata , Yoshitaka Matsuoka , Satoshi Shimada , Mitsuo Ai
发明人： Yutaka Sakurai , Takeo Nagata , Yoshitaka Matsuoka , Satoshi Shimada , Mitsuo Ai
CPC分类号： G01L13/025 , G01L9/0052
摘要： A differential pressure transducer having a cantilever and a semiconductor strain gauge attached to each side of the cantilever at an intermediate portion of the latter. The cantilever has one end fixed by electron beam welding to a fixing member and the other end left for free displacement in response to a differential pressure. The displacement of the other end of the cantilever is detected as changes in the electric resistances of the semiconductor strain gauges.
摘要翻译： 一种差压传感器，其具有在后者的中间部分处连接到悬臂的每一侧的悬臂和半导体应变计。 悬臂具有通过电子束焊接固定到固定构件的一端，另一端响应于压差而离开自由位移。 悬臂的另一端的位移被检测为半导体应变计的电阻的变化。
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公开(公告)号：US5469746A
公开(公告)日：1995-11-28
申请号：US215339
申请日：1994-03-21
申请人： Masao Fukunaga , Yutaka Sakurai , Kouji Saito , Tamio Ishihara
发明人： Masao Fukunaga , Yutaka Sakurai , Kouji Saito , Tamio Ishihara
CPC分类号： G01F15/063 , G01F1/60 , G08C19/02
摘要： An electromagnetic flow meter for industries includes a transducer and a signal processor provided separately from the transducer. The transducer having an exciting circuit, an amplifying and calculating part and a transmitting part outputs an analog flow rate signal and digital signals which are superimposed to the an analog flow rate signal to the signal processor. The analog signal sent to the signal processor is passed through the signal processor without receiving any signal processing and the digital signals are sent into the transducer or taken into the signal processor through alternating current coupling means. The data transmission is diagnosed by checking the conformity between the data stored in the signal sending part and the received data. Data set in a data setting part provided in the signal processor are sent to the transducer through a transmitting cable in which the flow rate data are also transmitted.
摘要翻译： 用于工业的电磁流量计包括与换能器分开设置的换能器和信号处理器。 具有激励电路的传感器，放大和计算部分以及发送部分将模拟流量信号和与模拟流量信号叠加的数字信号输出到信号处理器。 发送到信号处理器的模拟信号通过信号处理器而不接收任何信号处理，并且数字信号被发送到换能器中或通过交流耦合装置进入信号处理器。 通过检查存储在信号发送部分中的数据与接收到的数据之间的一致性来诊断数据传输。 在信号处理器中提供的数据设定部分中设置的数据通过发送电缆发送到传感器，传输电缆也传送流量数据。
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公开(公告)号：US5458003A
公开(公告)日：1995-10-17
申请号：US983060
申请日：1992-11-30
摘要： An electromagnetic flow meter comprises a ceramic measuring pipe formed into a straight cylinder through which fluid to be measured flows, electromagnetic field generating device disposed adjacent to a central portion of an outer surface of the central portion of the ceramic measuring pipe for generating an electromagnetic field into a radial direction of the ceramic measuring pipe, electrodes for detecting an electric potential generated in the fluid, a case which accommodates the ceramic measuring pipe, the electromagnetic field generating device and the electrodes, and sealing members which are disposed between inner surfaces of the flanges of the case and ends of outer circumference of the ceramic measuring pipe. The case has a length longer than that of the ceramic measuring pipe and flanges at both ends thereof. Inner diameters of the flanges are slightly larger than an outer diameter of the ceramic measuring pipe. Portions of the sealing members outwardly project over the end surfaces of the flanges of the case.
摘要翻译： 一种电磁流量计，其特征在于，包括：陶瓷测量管，其形成为待测量流体的直圆筒;电磁场产生装置，邻近陶瓷测量管的中心部分的外表面的中心部分设置，用于产生电磁场 陶瓷测量管的径向方向，用于检测流体中产生的电位的电极，容纳陶瓷测量管，电磁场产生装置和电极的壳体，以及设置在陶瓷测量管的内表面之间的密封构件 陶瓷测量管外壳法兰和外周端。 壳体的长度比陶瓷测量管的长度长，两端的凸缘长。 凸缘的内径略大于陶瓷测量管的外径。 密封构件的一部分向外突出在壳体的凸缘的端表面上。
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公开(公告)号：US5400659A
公开(公告)日：1995-03-28
申请号：US12472
申请日：1993-02-02
申请人： Kazuaki Yokoi , Masatsugu Arai , Akiomi Kohno , Yuji Yoshitomi , Yutaka Sakurai , Tamio Ishihara
发明人： Kazuaki Yokoi , Masatsugu Arai , Akiomi Kohno , Yuji Yoshitomi , Yutaka Sakurai , Tamio Ishihara
CPC分类号： G01F1/588 , C04B35/645 , C04B35/653 , C04B37/021 , G01F1/584 , C04B2235/6567 , C04B2237/34 , C04B2237/343 , C04B2237/348 , C04B2237/365 , C04B2237/368 , C04B2237/402 , C04B2237/704 , C04B2237/706 , C04B2237/765
摘要： An electromagnetic flowmeter comprises a ceramic measuring tube through which fluid to be measured flows, a pair of electromagnetic coils disposed on the outer surface of the measuring tube in the central region thereof at diametrically opposite positions and generating a magnetic field in a direction perpendicular to the direction of flow of the fluid, a pair of measuring electrodes fixed to the outer surface of the measuring tube in the central region thereof at diametrically opposite positions and having electrode axes perpendicular to both the direction of flow of the fluid and the direction of the magnetic field, and a pair of metallic shields fixed to the outer surface of the measuring tube in surrounding relation to the measuring electrodes. A pair of the measuring electrodes and a pair of the metallic shields are fixed to the ceramic measuring tube by a reaction product due to an interface reaction with the ceramic measuring tube under heating.
摘要翻译： 电磁流量计包括陶瓷测量管，待测量的流体流过测量管的外表面上的一对电磁线圈，其中心区域在直径相对的位置处设置在测量管的外表面上，并在垂直于该测量管的方向上产生磁场 流体的流动方向，一对测量电极在其中心区域的直径相对的位置处固定在测量管的外表面上，并且具有垂直于流体的流动方向和磁性方向两者的电极轴线 以及与测量电极相关的固定到测量管的外表面的一对金属屏蔽件。 一对测量电极和一对金属屏蔽件由于与陶瓷测量管在加热下的界面反应而被反应产物固定在陶瓷测量管上。
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公开(公告)号：US4321578A
公开(公告)日：1982-03-23
申请号：US81372
申请日：1979-10-03
申请人： Akira Nagasu , Yosimi Yamamoto , Takeo Nagata , Hiroyasu Uchida , Yutaka Sakurai
发明人： Akira Nagasu , Yosimi Yamamoto , Takeo Nagata , Hiroyasu Uchida , Yutaka Sakurai
CPC分类号： G01L19/0645 , G01L13/025 , G01L19/0038
摘要： A pressure transducer is arranged to mount a semiconductor pressure sensor in a housing such that the pressure of a high-pressure fluid is applied to one side of the semiconductor pressure sensor through a high pressure seal diaphragm and a sealed liquid in the high pressure side, while the pressure of a low-pressure fluid is applied to the other side of the sensor through a low-pressure seal diaphragm and a sealed liquid in the low pressure side, and a protecting member is provided closer to the low-pressure seal diaphragm.
摘要翻译： 压力传感器布置成将半导体压力传感器安装在壳体中，使得高压流体的压力通过高压侧的高压密封膜片和密封液体施加到半导体压力传感器的一侧， 同时低压流体的压力通过低压侧的低压密封隔膜和密封液体施加到传感器的另一侧，并且靠近低压密封隔膜设置保护构件。
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