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Technology Development Engineer

Location:
San Ramon, CA
Salary:
$90,000
Posted:
September 23, 2020

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EDUCATION

PhD, Materials Science and Engineering May 2006

University of Cincinnati, Cincinnati, OH

GPA - 3.55/4.0

Dissertation – “Synthesis of Diamond Thin Films for Applications in High Temperature Electronics”. MS, Physics December 2000

Central Michigan University, Mt.Pleasant, MI

GPA - 3.8/4.0

Thesis – “Preparation and Characterization of CuIn1-xGaxSe2 Thin Films”. M.Sc., Physics May 1997

Indian Institute of Technology, Madras, India

GPA – 7.9/10.0

Project – Investigated the Non-linear Optical properties in laser dyes B.Sc., Physics May 1995

University of Madras, Madras, India

GPA – 3.4/4.0

WORK EXPERIENCE

Process Development Lead October 2019 – present

Space Foundry, San Jose, CA

• The technology is based on a patent pending atmospheric pressure plasma jet printing that enables printing on a wide range of materials

• Integrates multi-material printing in one platform

• Direct write printing of wide range of materials including organics, inorganics, metals, metal oxides, organic electronics, and polymers

• Directly involved in leading the process development of a wide range of the above materials

• Ensured that good quality of prints are obtained Sr. Functional Engineer September 2017 – September 2019 Ultra Clean Technologies, Hayward, CA

• Researched and tried to develop a technology to deposit DLC on the inside of ” and ” OD gas lines and weldments

• Used pulsed DC PECVD based on hollow cathode technology to deposit the DLC coatings Consultant January 2016 – August 2017

Epidia Technologies LLC

• General and specific consulting advice on the equipment selection for development of technology for synthesis of single crystal diamond by MPECVD

• Providing technical expertise on process development for growth of single crystal diamond Founder, Research Scientist January 2014 – January 2016 New Horizon Nano Technology, Detroit, MI

• Started the company with the acquired funding

• Set-up the facility for the installation of 11 MPECVD reactors

• Started operation of the reactors

• Focus on obtaining production of gem quality synthetic diamond. Also the goal was to obtain defect and inclusion free diamond with the best color and clarity

• Oversaw the installation of the new PECVD machines and qualified the tool and process Rahul Ramamurti

5575 Wells Lane, San Ramon, CA 94582

513-***-****, adgczc@r.postjobfree.com

2

Founder, Chief Technology Officer December 2012 – January 2014 Pure Crystal LLC, Crestline, OH

• Started the company with the acquired funding

• Responsible for development of gem quality single crystal diamond by PECVD

• Oversaw the qualification of the tool and process

• Set-up the lab with characterization tools and methods for the processing of diamond samples

• Involved in research and development for improvement in reactor design

• Ensured repeatability in the process to produce single crystal diamond samples Process Development Engineer November 2011 – October 2012 JDS Uniphase Corporation, Santa Rosa, CA

• Responsible for process development of thin film oxides and nitrides using Pulsed DC Reactive Magnetron Sputtering

• Leading the research and development of new oxide materials for optical filter applications in the ultraviolet wavelength range

Sr. Application Engineer September 2009 –October 2011 Sub-One Technologies, Inc., Pleasanton, CA

• Responsible for new products and process development on Asymmetrically Bipolar Pulsed DC PECVD process tools

• Involved in significant research and development to obtain erosion resistant and high growth rate coatings

Technology Development Engineer March 2008 – September 2009 Sub-One Technologies, Inc., Pleasanton, CA

• Developed processes to grow highly insulating, hard, wear-resistant, and corrosion-resistant diamond- like-carbon coatings on inner diameter surfaces of stainless steel and carbon steel parts of varying dimensions using an asymmetrically bipolar pulsed DC PECVD process

• Developed process recipes for the coatings depending on customer specifications

• Managed several projects to completion in a timely manner along with demo reports Post Doctoral Research Associate May 2006 –February 2008 Michigan State University, East Lansing, MI

Project Engineer

Fraunhofer U.S.A, Center for Coatings and Laser Applications, East Lansing, MI

• Developed a process to grow highly conducting boron-doped diamond films using MPECVD with good adhesion on silicon, silicon dioxide, titanium, niobium and tungsten substrates for electrochemical electrode applications

• Worked on meeting customer specifications during coating development

• Optimized deposition conditions to obtain high growth rate defect-free boron-doped single crystal diamond cubes at high pressure and high temperature

• Was successful in depositing heteroepitaxial layers of (100) and (111) oriented diamond on platinum/MgO and platinum/sapphire substrates

RELATED WORK EXPERIENCE

Research Experience

Materials Science Graduate Research Assistant September 2000 – December 2005 University of Cincinnati, Cincinnati, OH

Deposition of diamond thin films by MPECVD technique and optimized their properties. Designed set of experiments to grow smooth nanocrystalline diamond (NCD) films

Accomplished high growth rate of these films, good quality n-type and p-type doped diamond

Fabricated capacitors based on metal-insulator-metal structures and obtained high resistivity NCD films to operate beyond 500 C

Developed electrical conduction mechanisms in undoped microcrystalline, nanocrystalline and nitrogen-doped diamond

3

Upgraded the CVD system with a liquid precursor delivery line for liquid precursors like 2, 4, 6 Triethyl Borazine and N, N, N, Trimethyl Borazine

Installed a Quadrupole Mass Spectrometer (QMS) and Optical Emission Spectrometer (OES) for monitoring the in-situ plasma diagnostics

Research Assistant August 1998-September 2000

Central Michigan University, Mt. Pleasant, MI

Prepared stoichiometric CuIn1-xGaxSe2 thin films that are typically used for solar cell applications by Flash Evaporation technique

Determined the optical parameters and band gap of the films

Modified the thermal Evaporation system setup to obtain desired coating properties PROFESSIONAL MEMBERSHIPS

Indian Association of Physics Teacher’s (1993-1995) Society of Physics Students (1998-2000)

Sigma Pi Sigma (Physics Honor Society) (2000)

National Society of Collegiate Scholars (2000)

American Ceramic Society (2000-2005)

AWARDS

Tuition waiver at Central Michigan University (1997-2000) University Graduate Scholarship at University of Cincinnati (2000-2005) University Research Council Summer Research Fellowship (2004) LIST OF PUBLICATIONS

Peer-reviewed Journals

1. R. Ramamurti, V. Shanov, R. N. Singh, S. Mamedov, and P. Boolchand, “Raman spectroscopy study of the influence of processing conditions on the structure of polycrystalline diamond films”, Journal of Vacuum Science and Technology, A 24 (2) 179-189 (2006) 2. D. Das, V. Jayaseelan, R. Ramamurti, R. S. Kukreja, L. Guo, and R. N. Singh, “Low surface temperature synthesis and characterization of diamond thin films”, Diamond and Related Materials, 15

(200*-****-****

3. R. J. Narayan, W. Wei, C. Jin, M. Andara, A. Agarwal, R. A. Gerhardt, Chun-Che Shih, Chun-Ming Shih, Shing-Jong Lin, Yea-Yang Su, R. Ramamurti, R. N. Singh, “Microstructural and Biological Properties of Nanocrystalline Diamond Coatings”, Diamond and Related Materials, v. 15, no. 11

(200*-****-****

4. R. Ramamurti, M. Becker, T. Schuelke, T. Grotjohn, D. Reinhard, G. Swain, J. Asmussen, “Boron doped diamond deposited by microwave plasma-assisted CVD at low and high pressures”, Diamond and Related Materials, v. 17, Issues 4-5 (2008) 481-485 5. R. Ramamurti, M. Becker, T. Schuelke, T. Grotjohn, D. Reinhard, J. Asmussen, “Synthesis of Boron Doped Homoepitaxial Single Crystal Diamond by Microwave Plasma Chemical Vapor Deposition”, Diamond and Related Materials, 17-200*-****-**** 6. R. Ramamurti, M. Becker, T. Schuelke, T. Grotjohn, D. Reinhard, J. Asmussen, “Deposition of Thick Boron Doped Homoepitaxial Single Crystal Diamond by Microwave Plasma Chemical Vapor Deposition”, Diamond and Related Materials, v. 18, Issues 5-8 (2009) 704-706 7. J. S. Lewis, S. D. Gittard, R. J. Narayan, C. J. Berry, R. L. Brigmon, R. Ramamurti, R. N. Singh,

“Assessment of Biofilm Growth on Nanocrytalline Diamond in a Continuous Perfusion Environment”, Journal of Manufacturing Science and Engineering, v. 132, no. 3 (2010) 8. Rahul Ramamurti, Ram P. Gandhiraman, Arlene Lopez, Pranay Doshi, Dennis Nordlund, Beomseok Kim, and M. Meyyappan, Fellow, IEEE, “Atmospheric Pressure Plasma Printing of Nanomaterials for IoT Applications”, IEEE

Conference Proceedings Publication and Presentations 1. R. Ramamurti, and D. Islam, “Optimization of the Preparation of CuInSe2 Films by Flash Evaporation”, Meeting of the Ohio Section of the American Physical Society, Toledo, October 2000 4

2. R. Ramamurti, and D. Qadir, “Optimization of the Preparation of CuInSe2 Films by Flash Evaporation”, American Physical Society, Annual March Meeting, March 12 - 16, 2001 Washington State Convention Center Seattle, Washington

3. R. Ramamurti, V. Shanov, R. N. Singh, M. Samiee, and P. Kosel, edited by Y. Tzeng, K. Miyoshi, M. Yoshikawa, M. Murakawa, Y. Koga, K. Kobashi, and G. A. J. Amaratunga, Proceedings of the Sixth Applied Diamond Conference/ Second Frontier Carbon Technology (ADC/ FCT 2001), p.62 (2001) 4. R. Ramamurti, V. Shanov, R. N. Singh, “Synthesis of Nanocrystalline Diamond Films by Microwave Plasma CVD”, Proceedings of The 104th Annual Meeting of the American Ceramics Society, Symposium C.4 - Innovative Processing/ Synthesis of Ceramics: Glasses and Composites VI, p. 39

(2002)

5. R. Ramamurti, V. Shanov, R. N. Singh, “Processing of Nanocrystalline Diamond Films by Microwave Plasma CVD”, Ceramic Engineering and Science Proceedings, Proceedings of the 27th International Cocoa Beach Conference on Advanced Cermaics and Composites: A, Symposium - Nanoparticles and Structures, Volume 24, Issue 3, p. 15 (2003)

6. R. Ramamurti, V. Shanov, R. N. Singh, “Effect of Pulsed Methane Flow on Synthesis of Nanocrystalline Diamond Films by Microwave Plasma CVD”, Proceedings of The 105th Annual Meeting of the American Ceramics Society, Symposium - Innovative Processing/ Synthesis of Ceramics, Glasses and Composites VII, p. 283 (2003) 7. R. Ramamurti, R. S. Kukreja, L. Guo. V. Shanov, R. N. Singh, “Microwave Plasma Chemical Vapor Deposition (CVD) of Carbon Based Films in the System C-N”, Proceedings of the 28th International Conference and Exposition on Advanced Ceramics and Composites, Ceramic Engineering and Science Proceedings (SECP), edited by E. L-Curzio and M. Readey, vol. 25, No. 4, p. 621-626 (2004) 8. R. Ramamurti, V. Shanov, R. N. Singh, “Effect of Nitrogen on Morphology and Electrical Properties Polycrystalline Diamond Thin Films”, Proceedings of The 106th Annual Meeting and Exposition of The American Ceramics Society, Symposium 17 - Innovative Processing and Synthesis of Ceramics, Glasses and Composites VIII, p. 157 (2004)

9. R. Ramamurti, R. N. Singh, P. B. Kosel, “Electrical Properties Of Microwave Plasma Chemical Vapor Deposited Diamond Thin Films”, Proceedings of The 106th Annual Meeting and Exposition of The American Ceramics Society, Symposium 15 – Electronic Ceramics for Extreme Environments, Session: Electronic Materials, April 10th – 13th, 2005, Baltimore, Maryland 10. W. Boardman, T. Casserly, R. Ramamurti, “Advanced High Temperature Corrosion and Erosion Resistant Internal Coating for Oil Industry Applications” Conference Proceedings of Materials Science and Technology, Oct. 1 2010, pg. 1515-1524 (10).

Issued Patents

1. Process and Apparatus for Single Crystal Diamond Synthesis by MPECVD, US 2009, 239078

(2009)

2. Method of Coating Inner and Outer Surfaces of Pipes for Thermal Solar and Other Applications, US 2009, 311443 (2009)

3. Method of Coating Inner and Outer Surfaces of Pipes for Thermal Solar and Other Applications, US 2013, 8343593 (2013)



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