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Convergent Microsystems Laboratory

@ Department of Electrical and Computer Engineering
@ The University of Texas at El Paso

Publications


R.C. Roberts, "Jet Printed Au Nanoparticle Films for Microelectromechanical Systems," Ph.D. Dissertation, Case Western Reserve University, Aug, 2012.
R.C. Roberts "An Introduction to Communication Systems using Simulation and Software Defined Radio," M.S. Thesis, Case Western Reserve University, Aug, 2006.

Journal Papers

  1. Y. Tang, R.C. Roberts, C.H.M. Lam, W.S. Wong, M. Yang, L. Lao, and W.N. Lee, “Design of A Barometer-based Pulse-Taking Device with In Vivo Validation against High-Frequency Ultrasound Pulse Wave Imaging,” IEEE Sensors Journal, vol. 22, iss. 7, pp. 7219-7230, 2022. doi: 10.1109/JSEN.2022.3153684
  2. M. Shokrekhodaei, D. P. Cistola, R.C. Roberts and S. Quinones, "Non-Invasive Glucose Monitoring Using Optical Sensor and Machine Learning Techniques for Diabetes Applications," in IEEE Access, vol. 9, pp. 73029-73045, 2021.
  3. B. Lohani, S. D. Hossain and R.C. Roberts, "Dielectric Transfer Process for 3D Printed Metal Microsystems," Journal of Microelectromechanical Systems, vol. 29, no. 5, pp. 972-977, Oct. 2020, doi: 10.1109/JMEMS.2020.3005090.
  4. H.J. Lee, R.C. Roberts, D.J. Im, S.J. Yim, H. Kim, J.T. Kim, D.P. Kim, “Enhanced Controllability of Fries Rearrangements Using High‐Resolution 3D‐Printed Metal Microreactor with Circular Channel,” Small 15 (50), 1905005.
  5. M. Salek, X. Shang, R.C. Roberts, M.J. Lancaster, F. Boettcher, D. Weber, T. Starke, "W-Band Waveguide Bandpass Filters Fabricated by Micro Laser Sintering," IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 66, no. 1, pp.61-65, Jan. 2019.
  6. R. Wang, M. Li, T.Sun, S. Raju, R.C. Roberts, M. Chan, and L.J. Jiang, “On-Demand Band-Rejected Wideband Antenna Based on Peelable Resonator Membrane,” IEEE Antennas and Wireless Propagation Letters, vol. 17, Iss. 12, pp. 2239-2343 (2018).
  7. X. Wu, K.Y. Au-Yeung, X. Li, R.C. Roberts, J. Tian, C. Hu, Y. Huang, S. Wang, Z. Yang, and W. Wen, "High-efficiency ventilated metamaterial absorber at low frequency," Appl. Phys. Lett. 112, 103505 (2018).
  8. P. Wang, R.C. Roberts, and A. H. W. Ngan, "Direct microfabrication of oxide patterns by local electrodeposition of precisely positioned electrolyte: the case of Cu2O," Nature Scientific Reports 6, Article number: 27423 (2016) doi:10.1038/srep27423
  9. Z. Wang, S. Wang, J. Zeng, X. Ren, A.J.Y. Chee, B.Y.S. Yiu, W.C. Chung, Y. Yang, A.C.H. Yu, R.C. Roberts, A.C.O. Tsang, K.W. Chow, and P.K.L. Chan, “High sensitivity, wearable, piezoresistive pressure sensors based on irregular micro-hump structures,” Small – Vol. 12(28), pp. 3827-36. (2016 July) doi: 10.1002/smll.201601419
  10. Z. Liu, S.T. Chan, H.A. Faizi, R.C. Roberts, H.C.Shum, "Droplet-based electro-coalescence for probing threshold disjoining pressure," Lab on a Chip, 2nd March 2015 DOI: 10.1039/C5LC00177C
  11. J. Lee, X. Zheng, R.C. Roberts, P. X.-L. Feng, "Scanning Electron Microscopy Characterization of Structural Features in Suspended and Non-Suspended Graphene by Customized CVD Growth," Diamond & Related Materials (2014), doi: 10.1016/j.diamond.2014.11.012.
  12. R.C. Roberts, J. Wu, N.Y. Hau, Y.H. Chang, S.P. Feng, D.C. Li, "Facile 3D Metal Electrode Fabrication for Energy Applications via Inkjet Printing and Shape Memory Polymer," Journal of Physics: Conference Series 557 (2014) 012006.
  13. J. Wu, R. Wang, H. Yu, G. Li, K. Xu, N. C. Tien, R.C. Roberts, D. C. Li, "Inkjet Printed Microelectrodes on PDMS as Biosensors for Functionalized Microfluidic Systems," Lab on a Chip, 10th November 2014 DOI: 10.1039/C4LC01121J.“Top 30 Most Downloaded Articles in 2015”
  14. B. Peng, X. Ren, Z. Wang, R.C. Roberts, P.K.L. Chan, "High performance organic transistor active-matrix driver developed on paper substrate," Nature Scientific Reports, 19th September 2014 Vol. 4 No. 6430, DOI: 10.1038/srep06430. “2014-2015 HKU Research Output Prize in Engineering”
  15. S. Gupta, G. Li, R.C. Roberts, L. J. Jiang, "Log-Periodic Dipole Array Antenna as a Chipless Radio-Frequency Identification (RFID) Tag," Electronic Letters, 27th February 2014 Vol. 50 No. 5 pp. 339–341
  16. H. Yu, D. Li, R.C. Roberts, K. Xu, N.C. Tien "A micro PDMS flow sensor based on time-of-flight measurement for conductive liquid," Microsystem Technologies, Nov, 2012, pp. 1-6.
  17. H. Yu, D. Li, R.C. Roberts, K. Xu, N.C. Tien "An Interstitial Fluid Transdermal Extraction System for Continuous Glucose Monitoring," J. Microelectromechanical Systems, Vol. 21, No. 4, Aug, 2012, pp. 917-925.
  18. H. Yu, D. Li, R.C. Roberts, K. Xu, N.C. Tien "A time-of-flight flow sensor for the volume measurement of trace amount of interstitial fluid," J. Micromech. Microeng. 22 (2012) 055009.
  19. H. Yu, D. Li, R.C. Roberts, K. Xu, N.C. Tien "Design, fabrication, and testing of a micro-Venturi tube for fluid manipulation in a microfluidic system," J. Micromech. Microeng. 22 (2012) 035010.

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Conference Proceedings / Abstracts

  1. A. Arif and R.C. Roberts, "Flexible Inkjet Printed Gold based Electrochemical Sensor for Aqueous Lead Detection," 2022 IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS), Vienna, Austria, July 10-13, 2022, pp. 1-4, doi: 10.1109/FLEPS53764.2022.9781482.
  2. S. D. Hossain, M. A. P. Mora, A. Arif, B. Lohani and R.C. Roberts, "Flexible Chipless RFID Temperature Memory Sensor," 2022 IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS), Vienna, Austria, July 10-13, 2022, pp. 1-4, doi: 10.1109/FLEPS53764.2022.9781599.
  3. B. Lohani and R.C. Roberts, “Additive Microfabrication of System in Package for Heterogeneous Integration with Semiconductor Dies,” Technical Digest, The 64th MRS Electronic Materials Conference (EMC 2022), Columbus, OH, June 29 – July 1, 2022.
  4. A. Arif and R.C. Roberts, “Characterization of Aqueous Lead Sensing Performance of Bismuth Functionalized 3D Inkjet Printed Electrochemical Electrodes,” Technical Digest, The 64th MRS Electronic Materials Conference (EMC 2022), Columbus, OH, June 29 – July 1, 2022.
  5. B. Lohani, S.D. Hossain, T. Starke, and R.C. Roberts, “Additive Bath Microfabrication of 3D Metal Electrostatic Switches Towards 3D Printed Metal MEMS,” Technical Digest, Solid-State Sensor, Actuator and Microsystems Workshop (Hilton Head 2022), Hilton Head, South Carolina, June 5-9, 2022, pp. 284-285.
  6. A. Arif, B.J. Chavez, S.D. Hossain, and R.C. Roberts, “Scaling Effects of Inkjet Microfabricated 3D Gold Electrochemical Sensors for Aqueous Lead Detection,” Technical Digest, Solid-State Sensor, Actuator and Microsystems Workshop (Hilton Head 2022), Hilton Head, South Carolina, June 5-9, 2022, pp. 440-441.
  7. S.D. Hossain, B. Lohani, R.M. Price, and R.C. Roberts, “Metal Additive Microfabrication of Horn Antenna,” Technical Digest, 2022 IEEE Texas Symposium on Wireless & Microwave Circuits and Systems, Waco, Texas, April 19-20, 2022,.
  8. S.D. Hossain, A. Arif, B. Lohani, and R.C. Roberts, “Flexible EGaIn Liquid Metal Microstrip Patch Antenna Based Pressure Sensor,” Technical Digest, The 20th IEEE Conference on Sensors (Sensors 2021), Sydney, Australia (online), Oct. 31-Nov. 4, 2021.
  9. A. Arif, A.M. Contreras, S.D. Hossain, and R.C. Roberts, “Inkjet Printed 3D Gold Electrochemical Sensor on Shape Memory Polymer for Lead Detection,” Technical Digest, The 20th IEEE Conference on Sensors (Sensors 2021), Sydney, Australia (online), Oct. 31-Nov. 4, 2021.
  10. A. Arif, A.M. Contreras, S.D. Hossain, and R.C. Roberts, “Inkjet Printed 3D Metal Electrodes on Shape Memory Polymer Towards Improved Electrochemical Bio-Sensing Performance,” Technical Digest, The 63rd MRS Electronic Materials Conference (EMC 2021), Virtual (online), June 23-25, 2021. NIST Uncertainty Analysis Student Award Winner
  11. M. Shokrekhodaei, A. Arif, R.C. Roberts, Optimizing Laboratory Curriculum to Enhance Students’ Learning Efficiency in Electrical Engineering Department,” Proceedings ASEE 2020 Gulf Southwest Section Conference (online), July 20, 2020.
  12. M. Salek, X. Shang, R.C. Roberts, M.J. Lancaster, T. Starke, F. Boettcher, D. Weber, “90 GHz Micro Laser Sintered Filter: Reproducibility and Quality Assessment,” 49th European Microwave Conference (EuMC), 2019, pp.296-299
  13. R. Wang, C.M. Dong, E.X. Wu, R.C. Roberts, L.J. Jiang, “Circuitry Design and Magnetic Susceptibility Evaluation of 7T fMRI Implantable RF Coil,” Proceedings, 2018 International Applied Computational Electromagnetics Society (ACES) Symposium, Denver, USA, Mar 25-29, 2018, pp. 1-2.
  14. M. Clark and R.C. Roberts, “Autonomous Quadrotor Terrain-Following with a Laser Rangefinder and Gimbal System,” Technical Digest, The 16th IEEE Conference on Sensors (Sensors 2017), Glasgow, Scotland, Oct. 29 – Nov. 1, 2017, pp. 1176-1178.
  15. R.C. Roberts, and N.C. Tien, "3D Printed Stainless Steel Microelectrode Arrays," Technical Digest, The 19th International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers 2017), June 18-28, 2017, pp. 1233-1236.
  16. J.E. Kabigting, A.D. Chen, E. J.-H. Chang, W.-N. Lee, and R.C. Roberts, "MEMS Pressure Sensor Array Wearable for Traditional Chinese Medicine Pulse-Taking," Technical Digest, The 14th Annual IEEE EMBS Conference on Wearable and Implantable Body Sensor Networks (BSN2017), Eindhoven, Netherlands, May 9-12, 2017.
  17. R.C. Roberts, S. Zheng, N.C. Tien, “Design and Fabrication of Buckled Metal Strain Gauges Using Shape Memory Polymer and Inkjet Additive Microfabrication,” Technical Digest, The 14th IEEE Conference on Sensors (Sensors 2015), Busan, Korea, Nov. 1-4, 2015, pp. 1665-1668.
  18. G.Li, R.C. Roberts, N.C. Tien, "Interlacing Method for Micro-Patterning Silver via Inkjet Printing," Technical Digest, The 13th IEEE Conference on Sensors (Sensors 2014), Nov. 2-5, 2014, pp. 1687-1690.
  19. J.Wu, R.C. Roberts, N.C. Tien, D.C. Li, "Inkjet Printed Silver Patterning on PDMS to Fabricate Microelectrodes for Microfluidic Sensing," Technical Digest, The 13th IEEE Conference on Sensors (Sensors 2014), Nov. 2-5, 2014, pp. 1100-1104.
  20. J.Wu, R.C. Roberts, N.C. Tien, D.C. Li, "Inkjet Printed Multimetal Microelectrodes on PDMS for Functionalized Microfluidic Systems," Technical Digest, Late News,The 18th International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS 2014), San Antonio, Texas, Oct. 26-30, 2014, pp. 2536-2537.
  21. R.C. Roberts, N.C. Tien "Multilayer Passive RF Microfabrication using Jet-Printed Au Nanoparticle Ink and Aerosol-Deposited Dielectric," Technical Digest , The 17th International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers 2013), Barcelona, Spain, June, 2013, pp. 178-181.
  22. R.C. Roberts, N.C. Tien "Thermoresistive Characteristics of Sintered Inkjet Printed Gold Nanoparticle Microstructures," Technical Digest , The 11th IEEE Conference on Sensors (Sensors 2012), Taipei, Taiwan, October, 2012, pp. 2184-2187.
  23. R.C. Roberts, N.C. Tien "Hexanethiol Encapsulated Gold Nanoparticle Ink For Printed Metal MEMS," Technical Digest, Technologies for Future Micro-Nano Manufacturing (MFG2011), Napa, California, August, 2011, pp. 103-106
  24. H. Yu, D. Li, R.C. Roberts, W.S. Liang, K. Xu, N.C. Tien "An integrated microfluidic system for interstitial fluid transdermal extraction," Technical Digest, The 16th International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers 2011), Beijing, China, June, 2011, pp. 1236-1239.
  25. A.C. Barnes, R.C. Roberts, N. C. Tien, C.A. Zorman, P.X.-L. Feng "Silicon carbide (SiC) membrane nanomechanical resonators with multiple vibrational modes," Technical Digest, The 16th International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers 2011), Beijing, China, June, 2011, pp. 2614-2617.
  26. H. Yu, D. Li, K. Xu, R.C. Roberts, N. C. Tien "An interstitial fluid transdermal extraction, collection and measurement system," Technical Digest , The 6th IEEE International Conference on Nano/Micro Engineered and Molecular Systems (NEMS '11), Kaohsiung, Taiwan, February, 2011, pp. 1237-1240.
  27. H. Yu, D. Li, K. Xu, R.C. Roberts, N.C. Tien "A micro flow sensor for volumetric measurement of conductive fluids," Technical Digest, Advances in Optoelectronics and Micro/Nano-Optics (AOM), 2010 OSA-IEEE-COS, Guangzhou, China, December, 2010, pp. 1-5.
  28. R.C. Roberts, N.C. Tien "Microfabricated differential-mode gas sensor utilizing temperature compensation," Technical Digest , The 9th IEEE Conference on Sensors (Sensors 2010), Waikoloa, Hawaii, November, 2010, pp. 1530-1533.
  29. A. Ongkodjojo, R.C. Roberts, A. Abramson, N.C. Tien "Highly Efficient Ionic Wind-Based Cooling Microfabricated Device for Microchip Cooling Applications," Technical Digest, Solid-State Sensor, Actuator and Microsystems Workshop (Hilton Head 2010), Hilton Head, South Carolina, June, 2010, pp. 447-450
  30. H. Yu, R.C. Roberts, D. Li, K. Xu, N. C. Tien "A PDMS interstitial fluid transdermal extraction tool," Technical Digest , The 5th IEEE International Conference on Nano/Micro Engineered and Molecular Systems (NEMS '10), Xiamen, China, January, 2010, pp. 1106-1109.
  31. N.C. Tien, A. Ongkodjojo Ong, R.C. Roberts, D. Li "The Future of MEMS in Energy Technologies," Technical Digest , The 9th International Conference on Solid-State and Integrated-Circuit Technology (ICSICT '08), Beijing, China, October, 2008, pp. 2452-2455.
  32. A. Ongkodjojo Ong, D. Li, R.C. Roberts, Q. Liu, N. C. Tien "Modeling and Measurement of Microfabricated Corona Discharge Structures," Technical Digest , The 3rd IEEE International Conference on Nano/Micro Engineered and Molecular Systems (NEMS '08), Sanya, China, January, 2008, pp. 932-937.
  33. R.C. Roberts, J. Du, A. Ongkodjojo Ong, D. Li, C. A. Zorman, N. C. Tien "Electrostatically Driven Touch-Mode Poly-SiC Microspeaker," Technical Digest , The 6th IEEE Conference on Sensors (Sensors '07), Atlanta, Georgia, October, 2007, pp. 284-287.
  34. Q. Liu, D. T. McCormick, R.C. Roberts, N. C. Tien, "Nanoscale Al-Al and Cu-Cu Contacts," Technical Digest, The 14th International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers '07), Lyon, France, June, 2007, pp. 1593-1596.
  35. D. Li, X. Huang, H. Yu, X. Hu, K. Xu, R.C. Roberts, N. C. Tien, "Analysis of Glucose Concentration in Interstitial Fluid by Micro Surface Plasmon Resonance Sensor," Technical Digest, Fourth International Conference on Networked Sensing Systems (INSS '07), Braunschweig, Germany, June, 2007, pp. 106-109.

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Book Chapters

  1. C.A. Zorman, R.C. Roberts, L. Chen (2011). Additive Processes for Semiconductors and Dielectric Materials. In R. Ghodssi & P. Lin (Eds.), MEMS Reference Shelf: MEMS Materials and Processes Handbook (pp. 37-136). New York: Springer US.

 

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