Fabrication of Micro-Precision Sieves with High Open Area Percentage Using Micro-Electroforming Technology

Ping Mei Ming; Y.J. Li; Y.L. Wang; W.J. Jiang

doi:10.4028/www.scientific.net/AMR.426.64

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 426Fabrication of Micro-Precision Sieves with High...

Fabrication of Micro-Precision Sieves with High Open Area Percentage Using Micro-Electroforming Technology

Abstract:

Precision metal sieve-sheets are one of the key components of several high-tech products. Fabrication of the precision sieve-sheets possessing high open area percentage, large thickness and good quality simultaneously has always been a tickler in micro-machining area. In this paper, aiming to manufacture micro-sieves with open areas of about 90% and good quality, micro-electroforming was taken as a major process means, and the technical points and technical difficulties of some key process steps in the preparation of micro-precision sieves were explored emphatically. Meanwhile, operational conditions were optimized and major technological parameters were selected optimally. Using the optimal conditions as well as the optimum parameters, two specifications of hexagon micromesh sieve-sheets whose side length, open-area percent and sheet-thickness was 210μm, 88%, (120±3)μm and 520μm, 92%, (100±2)μm, respectively, were successfully obtained. The electroformed sieves are characterized by flat and smooth surfaces of aperture walls, sharp edge definition, rigid and homogeneous structures and well-distributed mesh.

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Periodical:

Advanced Materials Research (Volume 426)

Pages:

64-68

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.426.64

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Online since:

January 2012

Authors:

Ping Mei Ming, Y.J. Li, Y.L. Wang, W.J. Jiang

Keywords:

High Open Area Percentage, Micro-Electroforming, Micromesh Sieve-Sheets

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