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An Application of a Flip-Chip-Bonding Technique to GHz-Band SAW Filter for Mobile Communication

Keiji ONISHI, Shun-ichi SEKI, Yutaka TAGUCHI, Yoshihiro BESSHO, Kazuo EDA, Toru ISHIDA

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Summary :

We applied a filip-chip-bonding technique to GHz-band SAW filters. The SAW filters mounted by the stud-bump-bonding (SBB) technique which is a kind of flip-chip-bonding technique showed almost the same frequency characteristics as those mounted by the conventional wire-bonding technique at 1.5 GHz. The SAW filter configuration, fabrication process using the SBB, and its electrical characteristics are described and discussed. The SBB technique has a lot of potential to reduce the size and weight even above GHz frequencies.

Publication
IEICE TRANSACTIONS on Electronics Vol.E76-C No.6 pp.993-999
Publication Date
1993/06/25
Publicized
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DOI
Type of Manuscript
Special Section PAPER (Special Issue on Microwave and Millimeter-Wave Technology for Advanced Functions and Size-Reductions)
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