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    National Tsing Hua University Institutional Repository > 電機資訊學院 > 電機工程學系 > 會議論文  >  10GHz Surface Acoustic Wave Filter Fabrication by UV Nano-Imprint


    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/70092


    Title: 10GHz Surface Acoustic Wave Filter Fabrication by UV Nano-Imprint
    Authors: N-H Chen;H.J.H. Chen;C-H Lin;F-S Huang
    教師: 葉鳳生
    Date: 2008
    Publisher: Nano Science and Technology Institute
    Relation: Nanotechnology Conference and Trade Show 2008, Boston, U.S.A., June 1-5, 2008
    Keywords: surface acoustic wave filter
    UV nanoimprint
    Abstract: Surface acoustic wave (SAW) devices have been widely implemented for wireless communications. Recently, SAW devices continue the upward trend in frequency for higher functionality. Nanoimpirnt can adequately offer mass production technique on interdigital transducer (IDT) lithography. It is also a promising new technique capable of resolving sub-100nm feature. In this work, we propose a low-cost UV nanoimprint lithography (UV-NIL) which can be performed at room temperature and low pressure to fabricate 10GHz SAW filter on LiNbO3 substrate. For UV-NIL, high aspect ratio stamp and single PR layer are utilized to simplify lift-off process. High aspect ratio HSQ/ITO/glass stamps were patterned by direct e-beam writer (Leica Weprint 200). HSQ stamp with width 93nm and aspect ratio 3.5 was fabricated. After transferring the pattern on UV-curable resist (PAK-01-200) by UV-NIL with low pressure, we develop IDT lift-off process with high aspect ratio pattern of single PR layer. Al IDT with feature size 100nm can be obtained. Central frequency of SAW filter is as high as 5.6GHz. The SEM images depict the fabricated stamps, imprinted features and Al IDTs. Contact mode AFM was carried out to measure resistivity of Al IDTs. Network analyzer HP8510C was used to examine electrical characterization of SAW filter.
    Relation Link: http://www.nsti.org/procs/Nanotech2008v3/2/T36.406
    http://www.nsti.org/
    URI: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/70092
    Appears in Collections:[電機工程學系] 會議論文

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