Summary
Overview
Work History
Education
Skills
Websites
Awards
Selectedpublications
Leadership Experience
Timeline
Generic

Atanu Dutta

Summary

9+ years of experience in semiconductor packaging, package design for case/over-molded power modules, 3-D packaging, fabrication/assembly process design/development, packaging material Expertise in reliability/failure mode analysis using thermal shock/cycling, die shear, power cycling, HTRB/H3TRB, cross-section (x-section) of semiconductor devices, packages Skills in various industrial and automotive standards AQG-324, AEC-Q101/100, MIL, JEDEC, IEC Hands-on expertise in multi-chip modules, SMT, flip-chip solder bumping, underfills for flip-chip, solder paste/preform/ball for die/component attach, reflow, wire bonding, encapsulation, passivation Experience in test vehicle design for experimental research using design of experiment (DOE) in JMP, R Expertise in injection molded design, insert molded design Expertise in packaging materials: power substrate, die attach, sintering, molding compound, interconnect technologies Expertise in package modeling and electrical/thermal/structural/virtual reliability multiphysics simulations using ANSYS, COMSOL Skills in semiconductor characterization tools: CSAM, X-ray Adept in VNA, TDR, curve tracer, oscilloscope, spectrum analyzer, impedance analyzer Authored and co-authored twelve technical publications Technical problem solver, cross-functional team player, excellent technical writing, communication skills Led student organization as president, executed successful fundraising drive

Overview

16
16
years of professional experience

Work History

Hardware Development Engineer (Sr. Staff Engineer)

Wolfspeed
02.2024 - Current
  • Lead design engineer over-molded power module targeted towards automotive application
  • Driving the development effort from concept generation to production, Design for Manufacturing (DFM), cost reduction, enhance reliability and performance

Hardware Development Engineer (Staff Engineer)

Wolfspeed
05.2020 - 02.2024
  • Lead Design Engineer for case module and over-molded power module
  • Implemented design/material changes that increased the yield for the H-class modules by over 90% and reduced the BOM cost significantly
  • Implemented design changes in D-class that reduced the manufacturing cost by half
  • Driven product development from concept development to transition to production
  • Investigate new materials and processes and suppliers/vendors to implement Design for Manufacturing (DFM), cost reduction, enhance reliability and performance
  • Electrical, thermal, structural, reliability FEM simulation and modelling: ANSYS, COMSOL
  • Completed component/assembly level drawings, product control documentations, quality inspection documentations for transition to manufacturing, OSAT transition, vendors/suppliers
  • Created validation test plans to support NPI/NTI efforts, vendor/supplier quality validation
  • Spearhead dFMEA and provide support in pFMEA to analyze risk registry for potential design and process failures
  • Packaging design or process development experience using statistical analysis software: JMP
  • Problem solving using 8D techniques

Process Development Engineer (Senior Engineer)

Wolfspeed
09.2017 - 04.2020
  • Lead the efforts to down selecting NTC sensor for next-generation power modules: validation test plan creation, process development, wire bond compatibility, reliability testing (TC/TS/x-section analysis, die shear test)
  • Provided design support for OSAT transition for module platforms FM3/GM3
  • Designed and optimized fixture/tooling for solder reflow process
  • Performed electrical (parasitic, ampacity), thermal (Rjc, Rjl), structural simulations for various module platforms

Research Assistant

HiDEC, University of Arkansas
01.2013 - 09.2017
  • Utilized multi-layer LTCC via interconnections, embedded die, LTCC interposer to develop a 3-D multi-chip power module stack with 60% reduction in parasitic inductance and higher reliability
  • Performed double pulse test, die shear, thermal/power cycling, high voltage dielectric breakdown test to validate the module structure and fabrication process of 3-D power module
  • Die attached SiC devices on TO-247 lead-frame, performed wire bond for gate/source lead connection
  • Utilized design of experiment (DOE) principles to investigate TLP bonding of Cu/Sn, Ni/Sn systems
  • Prototyped package designs using 3-D printer, wire bonding to perform chip to package interconnections
  • Developed a simulation methodology to predict EMI of power module using ANSYS EM tools
  • Prototyped 10+ Si/SiC based power modules, prototyped all integrated buck and boost converters
  • Deposited Ti, Cr, Ni, Ag using E-beam evaporation to facilitate nano-silver sintering process
  • Increased process yields for die attachment by 40% reducing process time and cost by 50%
  • Implemented switching cell layout technique to reduce the parasitic inductance of power module by 50%
  • Managed lab inventory list, purchased and replenished supplies from vendors for timely research

PCB Design Intern

Molex Incorporated
Maumelle, USA
06.2015 - 08.2015
  • Optimized PCB design to reduced crosstalk of zQSFP+ 25 Gbps connector by 20 dB
  • Optimized and reduced impedance mismatch by 71% for SOLT/TRL calibration structure

Teaching Assistant

University of Arkansas
08.2011 - 12.2012
  • Taught electricity, magnetism, optics to the undergraduate students

Research Assistant

University of Arkansas
08.2008 - 12.2010
  • Developed and fabricated split ring resonator-based antennas for X/Ku-band with 96%, 91% efficiency

Education

PhD - Electrical Engineering

University of Arkansas
USA
05.2017

MS - Electrical Engineering

University of Arkansas
USA
12.2010

B. Tech - Electronics & Communication Engineering

NIT
Durgapur, India
05.2007

Skills

  • Microsoft Project
  • Simulation Modeling
  • Hardware development
  • Engineer mentoring

Awards

  • Outstanding Student Paper Award, IMAPS CICMT 2016, Denver, CO
  • Cora Sanders Scholarship (College of Engineering, University of Arkansas)
  • University of Arkansas graduate school travel grant for presenting research paper
  • ICCR Scholarship (4-year scholarship that paid all undergraduate tuition and living expenses)

Selectedpublications

  • A module-level spring-interconnected power module, A. Dutta, S. Ang, IEEE Transaction on component, packaging and manufacturing technology, 2018
  • Effects of parasitic parameters on electromagnetic interference of wide bandgap power electronic modules, A. Dutta, S. Ang, IEEE Applied Power Electronic Conference and Exposition, 2017
  • A 3-D stacked wirebondless silicon carbide power module, A. Dutta. S. Ang, IEEE Wide Banggap Power Devices and Application, 2016
  • LTCC interposer based high voltage 3-D power module, A. Dutta. S. Ang, Z. Chen, International High Voltage Direct Current Conference, 2016
  • Electromagnetic interference simulations for wide bandgap power electronic modules, A. Dutta, S. Ang, IEEE Journal of Emerging and Selected Topics in Power Electronics, 2016
  • Design of a low inductance power module based on low temperature co-fired ceramic, A. Dutta, S. Ang, IMPAS Ceramic Interconnect and Ceramic Microsystems Technologies, 2016
  • Electrical parasitics and thermal modeling for optimized layout design of high power SiC modules, A. S. Bahman, F. Blaabjerg, A. Dutta and A. Mantooth, IEEE Applied Power Electronic Conference and Exposition, 2016
  • Multi-chip power module layout and design using Q3D extractor and PowerSynth, A. Nizam, A. Dutta, T. Vrotsos, A. Mantooth, S. Pytel, IEEE Applied Power Electronic Conference and Exposition, 2016
  • Electromagnetic interference simulations of power electronic modules, A. Dutta, S. Ang, IEEE International Workshop on Integrated Power Packaging, 2015
  • A silicon carbide based synchronous buck converter, A. Dutta, Y. Ma, J. Lv, S. Ang, Power Conversion and Intelligent Motion Asia, 2014
  • Realization of a SiC module-based indirect matrix converter with minimum parasitic inductances, J. K. Hayes, A.E. Mejia, J.C. Balda, A. Dutta, S. Ang, IEEE Applied Power Electronic Conference and Exposition, 2014
  • The design and fabrication of a 50KVA 450A silicon carbide power electronic module, A. Dutta, S. Wang, J. Zhou, S. Ang, J. Chang, C. Chen, IEEE Power Electronics for Distributed Generation Systems, 2013
  • Electrically small, omnidirectional GPS antenna using a split ring resonator, V. V. Varadan, M.B. Buscher, I.K. Kim, A. Dutta, B. McLaughlin, and D. White, Metamaterials, 2010

Leadership Experience

  • Led Bangladesh Student Organization at University of Arkansas, as President
  • Led fundraising drive for pediatric cancer research, St. Jude Children’s Research Hospital, Memphis, TN
  • Led team of three of N.I.T., Durgapur during Cognizance’07 technical conference at I.I.T., Roorkee, India
  • Led team of four of N.I.T., Durgapur during Blitz’07 technical conference at NSHM, Durgapur, India
  • Coordinated and organized annual cultural event of N.I.T., Durgapur

Timeline

Hardware Development Engineer (Sr. Staff Engineer)

Wolfspeed
02.2024 - Current

Hardware Development Engineer (Staff Engineer)

Wolfspeed
05.2020 - 02.2024

Process Development Engineer (Senior Engineer)

Wolfspeed
09.2017 - 04.2020

PCB Design Intern

Molex Incorporated
06.2015 - 08.2015

Research Assistant

HiDEC, University of Arkansas
01.2013 - 09.2017

Teaching Assistant

University of Arkansas
08.2011 - 12.2012

Research Assistant

University of Arkansas
08.2008 - 12.2010

PhD - Electrical Engineering

University of Arkansas

MS - Electrical Engineering

University of Arkansas

B. Tech - Electronics & Communication Engineering

NIT
Atanu Dutta