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Conductive adhesive-free surface mount type high frequency fundamental crystal resonators by gold bump bonding

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2 Author(s)
Iwate, H. ; Toyo Commun. Equip. Co. Ltd., Kanagawa ; Ishii, O.

This paper describes the supporting structure of surface mount type crystal resonators suitable for operation at higher frequencies. This supporting structure applies gold bumps to bond a crystal chip to a ceramic package. The gold bump bonding is applied to AT-cut high frequency fundamental crystal resonators which have extremely thin vibrating parts. As a result, the effectiveness of gold bump bonding in heat-resistance, long-term stability, and conductive reliability are verified by the experimental characteristics of the above crystal resonators

Published in:
Frequency and Time Forum, 1999 and the IEEE International Frequency Control Symposium, 1999., Proceedings of the 1999 Joint Meeting of the European  (Volume:1 )

Date of Conference: 1999

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