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Lithography Process for Trench Pattern above Large Cavity to Fabricate Fast Scanning Micromirror

Hiroyuki WADA, Daesung LEE, Stefan ZAPPE, Uma KRISHNAMOORTHY, Olav SOLGAARD

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Summary :

The lithography process on the deep trench pattern above the large cavity is proposed to fabricate the MEMS structure. Generally, bubbles generated on the trench patterns when it was baked after coating resist. The probability of the generation of bubbles was reduced by decreasing the backing rate. The fast scanning micromirror with 50.8 kHz resonant frequency was fabricated by controlling the backing rate.

Publication
IEICE TRANSACTIONS on Electronics Vol.E87-C No.8 pp.1395-1398
Publication Date
2004/08/01
Publicized
Online ISSN
DOI
Type of Manuscript
LETTER
Category
Electromechanical Devices and Components

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