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Vol. 82, Issue 8, August 2007, pp.1486-1494

 

Bullet

 

Design, Packaging and Characterization of a Langasite Monolithic Crystal Filter Viscometer

 

J. Andle, R. Haskell, R. Sbardella, G. Morehead, M. Chap, S. Xiong, J. Columbus, D. Stevens, and K. Durdag

Sensors and Advanced Packaging

Vectron International

Hudson, NH 03051 USA

E-mail: jandle@vectron.com

 

 

Received: 8 August 2007   /Accepted: 20 August 2007   /Published: 27 August 2007

 

Abstract: A two-port monolithic crystal filter (MCF) viscosity sensor has been developed using high coupling langasite material and advanced packaging techniques [1].  The present work details the evaluation of quartz and langasite MCF elements with varying shapes, contours and electrode designs.  The study has resulted in a commercial design on 10.25 mm blanks, housed in a TO-8 header with support circuitry contained in a NPT threaded bolt.

 

Keywords: viscosity sensor, monolithic crystal filter

 

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