Studies on micro flow sensor for ultra high speed flow and ultra low speed flow

超高速流和超低速流微流量传感器的研究

基本信息

  • 批准号:
    07650513
  • 负责人:
  • 金额:
    $ 1.28万
  • 依托单位:
  • 依托单位国家:
    日本
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
  • 财政年份:
    1995
  • 资助国家:
    日本
  • 起止时间:
    1995 至 1996
  • 项目状态:
    已结题

项目摘要

The results of our studies are listed below.1. Fabrication of wing type micro flow sensors for ultra high speed flow measurementsRectangular wing supported by 4 fine beams located in a microchannel was designed. The micro structures were fabricated using selective etching method of the highly boron doped p+ layr and Si-to-glass anodic bonding method. The sensor consists of 4 wafers of glass-Si-Si-glass and the micro channel was formed in the 2 Si wafers. The displacement of the wing caused by the lift force under gas flow is measured by the laser interferometric displacement sensor. Many types of wing having different sizes of the chord, length etc.was fabricated and tested. The aspect ratio, ratio between the length and the chord, is important for characterization of the sensor. The relationship between the displacement and flow speed was measured using compressed air as the gas flow. The wing having high aspect ratio shows high sensitivity. The residual stress, however, reduce the sensitivity of the sensor. We are going to improve the structure and fabrication process.2. Design of thermal micro flow sensor for ultra low speed flow measurementMicro flow sensor consists of two micro resistor heater/thermal sensor having very small thermal copacitance was designed. It is now on fabrication using the same methods of wing type micro flow sensor.3. Characterization of fluidics in microchannelVarious kinds of micro channels were fabricated and their flow characteristics were measured. The results were very useful for the designing of micro flow devices and micro total analysis systems.4. Low temperature anodic bonding methodTo reduce the residual stress coused by the anodic bonding, anodic bonding using lithium-aluminosilicate glass-ceramic was studied. The bonding tenperature can be reduced to 60C (conventionally 400C) with the glass ceramic. The bonding method is also very useful for packaging of the microsensors and the assemblying of the micro total analysis systems.
我们的研究结果如下: 1.用于超高速流量测量的翼型微流量传感器的制造设计了由位于微通道中的4根细梁支撑的矩形翼。采用高硼掺杂p+层的选择性蚀刻方法和Si-玻璃阳极键合方法制造微结构。该传感器由4片玻璃-Si-Si-玻璃晶片组成,微通道形成在2片Si晶片中。激光干涉位移传感器测量气流作用下升力引起的机翼位移。制造并测试了具有不同弦长、长度等的多种类型的机翼。纵横比(长度与弦之间的比率)对于传感器的表征非常重要。使用压缩空气作为气体流量来测量位移和流速之间的关系。具有高展弦比的机翼表现出高灵敏度。然而,残余应力会降低传感器的灵敏度。我们将改进结构和制造工艺。2.用于超低速流量测量的热式微流量传感器设计微流量传感器由两个具有很小热容的微电阻加热器/热传感器组成。目前正在采用与翼式微流量传感器相同的方法进行制作。 3.微通道中的流体特性制造了各种微通道并测量了它们的流动特性。研究结果对微流量装置和微全分析系统的设计具有重要意义。 4.低温阳极键合方法为了降低阳极键合产生的残余应力,对硅铝酸锂微晶玻璃阳极键合进行了研究。与玻璃陶瓷的接合温度可降低至60℃(传统为400℃)。该粘合方法对于微传感器的封装和微全分析系统的组装也非常有用。

项目成果

期刊论文数量(16)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
T.Take, T.Nakata, S.Shoji: "Studies on Wing Type Micro Flow Sensors" ROBOMEC'97. (to be presented). (1997)
T.Take、T.Nakata、S.Shoji:“翼型微流量传感器研究”ROBOMEC97。
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T.Ohori,S.Shoji,K.Miura,A.Yotumoto: "Three-way Microvalve for Blood Flow Control in Medical Micro Total Analysis Systems (μTAS)," Proc. IEEE Micro Electro Mechanical Systems Workshop. 333-337 (1997)
T. Ohori、S. Shoji、K. Miura、A. Yotumoto:“医疗微型全分析系统 (μTAS) 中用于血流控制的三通微型阀”,IEEE 微机电系统研讨会 333-337(1997 年)。 )
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T.Ohori,S.Shoji,K.Miura,A.Yotumoto: "Three-way Microvalve for Blood Flow Control in Medical Micro Total Analysis Systems (μTAS)" Proc.IEEE Micro Electro Mechanical Systems Wordshop. 333-337 (1997)
T.Ohori、S.Shoji、K.Miura、A.Yotumoto:“医疗微全分析系统 (μTAS) 中用于血流控制的三通微型阀”Proc. IEEE 微机电系统 Wordshop 333-337 (1997)
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S.Shoji, H.Huruya, T.Ohori: "Micromachined Micro Flow Devices for a Medical muTAS" Proc.2nd Int.Symp.on Micro Total Analysis Systems. 61-64 (1996)
S.Shoji、H.Huruya、T.Ohori:“用于医疗 muTAS 的微机械微流量设备”Proc.2nd Int.Symp.on 微型全分析系统。
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    0
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S.Shoji, T.Ohori, H.Kawashima, K.Miura, A.Yotsumoto: "Mechanical Micro Flow Control Devices for Medical and Biomedical Micro Total Analysis Systems (muTAS)" 191st Meeting of The Electrochemical Soc.(to be presented). (1997)
S.Shoji、T.Ohori、H.Kawashima、K.Miura、A.Yotsumoto:“用于医疗和生物医学微全分析系统 (muTAS) 的机械微流量控制装置”电化学协会第 191 次会议(待提交)
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SHOJI Shuichi其他文献

SHOJI Shuichi的其他文献

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{{ truncateString('SHOJI Shuichi', 18)}}的其他基金

Micro-nano droplet handling for the measurement of biological samples
用于测量生物样品的微纳米液滴处理
  • 批准号:
    16H02349
  • 财政年份:
    2016
  • 资助金额:
    $ 1.28万
  • 项目类别:
    Grant-in-Aid for Scientific Research (A)
Advanced Micro Fluidic Engineering and Its Applications for High Sensitive Quantitative Measurements of Biomolecules
先进微流体工程及其在生物分子高灵敏定量测量中的应用
  • 批准号:
    23226010
  • 财政年份:
    2011
  • 资助金额:
    $ 1.28万
  • 项目类别:
    Grant-in-Aid for Scientific Research (S)
Development of Micro Fluidic Systems for Real Time Function Analysis of Single Biomolecules
用于单个生物分子实时功能分析的微流体系统的开发
  • 批准号:
    19206046
  • 财政年份:
    2007
  • 资助金额:
    $ 1.28万
  • 项目类别:
    Grant-in-Aid for Scientific Research (A)
Development of Biological Sample Separation/Extraction and Preparation Microsystems for High Performance Biosensing
开发用于高性能生物传感的生物样品分离/提取和制备微系统
  • 批准号:
    16201031
  • 财政年份:
    2004
  • 资助金额:
    $ 1.28万
  • 项目类别:
    Grant-in-Aid for Scientific Research (A)
Analysis and control of the fluids, interfaces of liquid-liquid and liquid-solid in microchannels
微通道内流体、液-液、液-固界面分析与控制
  • 批准号:
    13124209
  • 财政年份:
    2001
  • 资助金额:
    $ 1.28万
  • 项目类别:
    Grant-in-Aid for Scientific Research on Priority Areas
Studies on sorting and fixing of. Bioiooiecules for high performance micro chemical/biochemical analysis systems
排序与固定的研究.
  • 批准号:
    12450167
  • 财政年份:
    2000
  • 资助金额:
    $ 1.28万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
Studies on Integration and Packaging Technologies for Health Information Monitoring Microsystems
健康信息监测微系统集成封装技术研究
  • 批准号:
    09650491
  • 财政年份:
    1997
  • 资助金额:
    $ 1.28万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Studies on Metal/Ferroelectric/Insulator/Semiconductor (MFIS) -FET Memories Obeying The Scaling Rule
遵守比例规则的金属/铁电/绝缘体/半导体 (MFIS) -FET 存储器的研究
  • 批准号:
    09450147
  • 财政年份:
    1997
  • 资助金额:
    $ 1.28万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
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