Hybrid-assembled micro dosing system using silicon-based micropump/valve and mass flow sensor

被引:46
作者
Nguyen, NT [1 ]
Schubert, S [1 ]
Richter, S [1 ]
Dotzel, W [1 ]
机构
[1] Tech Univ Chemnitz, Dept Elect Engn & Informat Technol, D-09107 Chemnitz, Germany
关键词
silicon micropump; silicon mass flow sensor; micro dosing system;
D O I
10.1016/S0924-4247(98)00039-9
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
This paper presents a hybrid-assembled bidirectional micro dosing system for a water flow range of - 40 mu l/min to 80 mu l/min. The system consists of a silicon micropump/valve chip (9 mm x 9 mm), a silicon flow sensor (6 mm x 12 mm) and a piezoelectric as well as an electrostatic actuator. The technology of each component and the hybrid assembly of the whole system are described. Results of numerical simulation of the micropump/valve and the mass flow sensor are presented and compared with experimental results. The new pulse-width-modulated control method for the actuator makes controlling the system easier. (C) 1998 Elsevier Science S.A. All rights reserved.
引用
收藏
页码:85 / 91
页数:7
相关论文
共 24 条
[1]  
BERTZ A, 1994, SILICON GROOVES SIDE
[2]   TOWARDS INTEGRATED MICROLIQUID HANDLING SYSTEMS [J].
ELWENSPOEK, M ;
LAMMERINK, TSJ ;
MIYAKE, R ;
FLUITMAN, JHJ .
JOURNAL OF MICROMECHANICS AND MICROENGINEERING, 1994, 4 (04) :227-245
[3]   NORMALLY CLOSED MICROVALVE AND MICROPUMP FABRICATED ON A SILICON-WAFER [J].
ESASHI, M ;
SHOJI, S ;
NAKANO, A .
SENSORS AND ACTUATORS, 1989, 20 (1-2) :163-169
[4]  
FREYGANG M, AUTOMATISIERTES MESS, P79
[5]  
GERLACH T, 1996, THESIS U ILMENAU
[6]  
GRASS V, 1994, SENSOR ACTUAT A-PHYS, V43, P335
[7]   Microfluidics - a review [J].
Gravesen, Peter ;
Branebjerg, Jens ;
Jensen, Ole Sondergard .
Journal of Micromechanics and Microengineering, 1993, 3 (04) :168-182
[8]   A novel micropump design with thick-film piezoelectric actuation [J].
Koch, M ;
Harris, N ;
Maas, R ;
Evans, AGR ;
White, NM ;
Brunnschweiler, A .
MEASUREMENT SCIENCE AND TECHNOLOGY, 1997, 8 (01) :49-57
[9]   LOW-COST SILICON SENSORS FOR MASS-FLOW MEASUREMENT OF LIQUIDS AND GASES [J].
NGUYEN, NT ;
KIEHNSCHERF, R .
SENSORS AND ACTUATORS A-PHYSICAL, 1995, 49 (1-2) :17-20
[10]   Investigation of forced convection in microfluid systems [J].
Nguyen, NT ;
Bochnia, D ;
Kiehnscherf, R ;
Dotzel, W .
SENSORS AND ACTUATORS A-PHYSICAL, 1996, 55 (01) :49-55