* Pen Architecture - Fluid compatibility/characterization and pen/fluid optimization * Fluid Development – Chemistry and Fluid expertise * Systems Integration – Proven ability to integrate or create technologies into functional systems * Jetting Tool – ability to adapt or create advanced analytical or validation systems * Electronics – Analog & digital circuitry, EPLD, power supplies and battery powered devices * Integrated Circuits – MEMS, custom chip design * Software – Integrated applications development, embedded software, and user interface design * Mechanical Design – Complex electronic products, integrated test systems, plastic, metal, injection molded, die-cast and machined parts; finite element analysis