Arman Hajati, Ph.D.


Senior Hardware Engineer, Architect of Haptics Technology at Apple
November 2014 - present
Senior Member of Technical Staff at Genapsys Inc.
February 2014 - October 2014
Manager, Ultrasound Technologies at Fujifilm Dimatix Inc.
April 2012 - January 2014
MEMS Development Engineer at Fujifilm Dimatix Inc.
October 2010 - April 2012 
Graduate Research Assistant at Micro & Nano Systems Laboratory, MIT
September 2006 - October 2010


Massachusetts Institute of Technology
Ph.D, Electrical Engineering and Computer Science, 2006 - 2010 (GPA 5.0/5.0)
University of Tehran
M.Sc, Mechanical Engineering, 2003 - 2005
University of Tehran
B.Sc, Mechanical Engineering, 1999 - 2003

Selected Publications

A. Hajati, D. Latev, D. Gardner, M. Ottosson, D. Imai, M. Torrey, M. Schoeppler, Monolithic ultrasonic integrated circuits based on micromachined semi-ellipsoidal piezoelectric domes Applied Physics Letters , vol.103, no.20, 202906, Nov 2013

A. Hajati, Ultra wide bandwidth transducer with dual electrode, US Patent 20130294201

A. Hajati, Multi-frequency ultra wide bandwidth transducer, US Patent 20130294202

A. Hajati, M. Ottosson, Ultra wide bandwidth transducer arrays, US Patent 20130293065

A. Hajati, D. Latev, D. Gardner, A. Hajati, D. Imai, M. Torrey, M. Schoeppler, Three-dimensional micro electromechanical system piezoelectric ultrasound transducer Applied Physics Letters , vol.101, no.25, pp.253101,253101-5, Dec 2012

A Hajati, D Latev, MUSIC™: Micromachined ultrasound integrated circuit, Nanotech 2013

A. Hajati, S.G. Kim, Ultra-wide bandwidth piezoelectric energy harvesting Applied Physics Letters , vol.99, no.8, pp.083105-3, Aug 2011

A. Hajati, S. P. Bathurst, H.J. Lee, S.G. Kim, "Design and fabrication of a nonlinear resonator for ultra wide-bandwidth energy harvesting applications," IEEE MEMS 2011, pp.1301-1304, 23-27 Jan. 2011

A. Hajati, Ultra wide-bandwidth micro energy harvester, Ph.D. Thesis, Massachusetts Institute of Technology, 2011


A Hajati, R Xu, SG Kim, Wide Bandwidth Piezoelectric Micro Energy Harvester Based on Nonlinear ResonancePowerMEMS 2011, pp 3-6, 2011

A Hajati, SG Kim, Nonlinear Resonator for Ultra Wide Bandwidth Energy Harvesting, MRS Spring Meeting, 2011 (invited)

A Hajati, SG Kim, Wide-bandwidth MEMS-scale piezoelectric energy harvesterProceedings Power MEMS pp 269-272, 2009

A Hajati, SG Kim, Rectifier-less piezoelectric micro power generatorProceedings of SPIE 6928, 69281T, 2008