Processing Methods to Fabricate Reliable Device Elements of PMN-PT Piezoelectric Single Crystals

Award Information
Agency: Department of Defense
Branch: Navy
Contract: N00014-08-C-0060
Agency Tracking Number: N061-083-1183
Amount: $2,298,570.00
Phase: Phase II
Program: SBIR
Awards Year: 2007
Solicitation Year: 2006
Solicitation Topic Code: N06-083
Solicitation Number: 2006.1
Small Business Information
479 Quadrangle Dr., Suite-E, Bolingbrook, IL, 60440
DUNS: 011683419
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Pengdi Han
 (630) 754-8621
Business Contact
 Pengdi Han
Title: President
Phone: (630) 754-8621
Research Institution
The reliability of PMN-PT piezo crystal elements operating under high drive is vitally important for Navy sonar transducers and other high-power acoustic devices. The goals of the proposed tasks are to enhance the reliability of the PMN-PT crystal elements by resolving the challenges that exist in the machining, processing and assembling of PMN-PT crystal elements, and to make it ready for the utilization of PMN-PT crystals in Navy transducer applications. We propose the following phase II tasks: improve mechanical processing/finishing of crystal elements, investigate electroding and bonding methods for optimal adhesive strength, develop mass-production method for crystal wedges, and perform reliability test on prototype navy transducers to evaluate improvements in reliability for crystal elements. We propose a budget of $749541.42 to carry out the planned works in a period of 24 months. A subcontract to Progeny Systems Corporation is for tests on the prototype of navy transducers. By the end of the contract period, we will evaluate the techniques developed and determine the best approach for machining and processing/finishing of PMN-PT single crystal elements, which would be ready for mass-production, particularly for Navy transducer applications.

* Information listed above is at the time of submission. *

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