Acoustic & Ultrasonic Transducer Design Expert | Engineering from Concept to Production | Medical, Commercial, & Military Applications

• Principal R&D engineer for transducer design using emerging textured piezoelectric material technologies • Developed power-efficient in-air monomorph using micro-thin ceramic membrane to optimize acoustic impedance match from PZT to air• Developed low-cost, retro-compatible square-stack Tonpilz design & successfully delivered demonstration array to the Navy• Developed free-flooded triply-resonant high-power acoustic flextensional projector with increased bandwidth at a reduced cost

• Improved transducer simulation capabilities by enabling the transition from PZFlex to Ansys software with correlated results• Reduced process cost of legacy transducer by 50% with a retro-compatible design, modeled through Ansys• Increased theoretical efficiency by a factor of 10, while tripling bandwidth to compensate for manufacturing tolerances and process variation with new and innovative ultrasonic receiver design

• Developed “Biosonix HR”, a high resolution non-invasive bubble sensor, expected to be the most reliable sensor in the medical market• Solved issues for a major medical company with FDA recall & transitioned the business to Biosonix (>$900K account for FY15)• Reduced manufacturing cost by 10-40% through re-design of 8 SKUs & launched into production• Developed & documented manufacturing processes, assembly aids, test fixtures, and created production lines from scratch• Reduced production test time by 30-50% though the development of semi-automated system • Developed high power (1KW) driver system for ultrasonic assisted machining application• Key member in the creation of the Biosonix quality system and ISO-13485 certification

• Developed method for reliably attaching leads to ceramic using matching layer material allowing the use of PZT material, eliminating less common & expensive low ‘Q’ Lead-Metaniobate ceramic in pulse-echo sensors• Developed the ZEVEX Lifeguard® pulse-echo level sensor from concept to production including miniaturized drive electronics, packaging, material selection, and manufacturing process• Developed two custom sensors based on the Lifeguard® technology currently in production• Reduced nuisance alarms by 95+% with a reliable tube occlusion sensor design for the KCI wound healing pump assembly with supporting electronics that has very low sensitivity to tolerance stack-up of assembly parts• Developed low cost disposable fluid presence sensing technology for urine pump application• Developed several acoustic-based test fixtures which eliminate the need for oscilloscopes and/or tubing which are high risk processes that can cause test variation within manufacturing• Successfully designed several manufacturing assembly fixtures to reduce labor and/or increase quality• Use statistical methods to develop specifications and verification

• Conducted R&D for single use, high voltage, energy harvesting application using piezoelectric ceramic with pressure and heat• Designed EDO model PDM130 piezoelectric motor improving existing technology with higher efficiency and reliability, reduced package size, decreased installation tolerances, and increased operational temperature• Developed a piezoelectric micro-tube actuator assembly for a 2 axis positioning application• Proficient in the design of electrical impedance matching circuits including the design of small package, high power inductive components. Programs include TR-232, BQN-17, TR-343, etc.• Designed, modeled, & supported several hydrophones including EDO models 6128, 6077, & TARS• Designed EDO model 6112, a low frequency barrel-stave flextensional projector• Directed acoustic characterization testing including beam patterns, TR/V, TR/W, RRVS, etc…