Design and Fabrication of a Polymeric Microfilter for Medical Applications

被引：6
|
作者：
Surace, Rossella [1 ]
Bellantone, Vincenzo [1 ]
Trotta, Gianluca [1 ]
Basile, Vito [1 ]
Modica, Francesco [1 ]
Fassi, Irene [2 ]
机构：
[1] ITIA CNR, Inst Ind Technol & Automat, Via Lembo 38-F, I-70124 Bari, Italy
[2] ITIA CNR, Inst Ind Technol & Automat, Via Bassini 15, I-20133 Milan, Italy
来源：
JOURNAL OF MICRO AND NANO-MANUFACTURING | 2016年 / 4卷 / 01期
关键词：
D O I：
10.1115/1.4032035
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper reports on design, fabrication, and characterization of a microfilter to be used in biomedical applications. The microfilter, with mesh of 80 mu m, is fabricated by micro-injection molding process in polymeric material (polyoxymethylene (POM)) using a steel mold manufactured by micro-electrical discharge machining process. The characteristics of the filter are investigated by numerical simulation in order to define a suitable geometry for micro-injection molding. Then, different process configurations of parameters (melt temperature, injection velocity, mold temperature, holding pressure and time, cooling time, pressure limit) are tested in order to obtain the complete part filling via micro-injection molding process preventing any defects. Finally, the component is dimensionally characterized and the process parameters optimized to obtain the maximum filtration capacity.
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页数：7
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