The Deep Etching Process Based on Parallel Laser Direct Writing System

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Abstract:

Due to the high cost-effectiveness, extra flexibility, and short production cycle, laser direct writing system as a kind of maskless lithography technology has been widely used in the fields of micro-nano-manufacturing. The working principle of the parallel laser direct writing system based on DMD(Digital Micromirror Device) is introduced. A novel negative photoresist -- dry film photoresist is adopted into the study of deep etching for the fabrication of the micro mold. The experimental results show that: the whole process is convenient, efficient and flexible; the precision of the 2-D patterning and the depth of etching is reliable.

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Key Engineering Materials (Volumes 426-427)

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265-269

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January 2010

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© 2010 Trans Tech Publications Ltd. All Rights Reserved

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