Microsystems: Team Members

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NG Geok Ing
Founder, Microsystems
Office: S2-B2a-13A
Phone: (+65) 6790 5013
Email: EGING@ntu.edu.sg

Dr. Ng received his Ph.D in Electrical Engineering from the University of Michigan, Ann Arbor in 1990. From 1991 to 1993, he was a Research Fellow at the Centre for Space Terahertz Technology in the University of Michigan, working on microwave/millimeter-wave semiconductor devices and MMICs. In 1993, he joined TRW Inc. in Space Park, California as a Senior Member of Technical Staff engaging in the R&D work on GaAs and InP-based HEMTs for high frequency low-noise and power MMIC applications. In 1995, he joined Nanyang Technological University as a Lecturer in the School of EEE and was promoted to Associate Professor in 1999.

Dr. Ng is currently the head of Division for Microelectronics in EEE, NTU., He was awarded the prestigious Singapore’s Defense Technology Prize for his outstanding technological contributions in MMIC R&D. His current research interests include device physics, fabrication and characterization of microwave devices with different III-V material systems for low-noise, power and MMIC applications and MEMS. Dr. Ng is a member of IEEE, Tau Beta Pi and Eta Kappa Nu. In 1990, he was awarded the European Microwave Prize for his work on InP-based heterostructure monolithic amplifiers.

SUBRAMANIAM Arulkumaran
Programme Manager, MDC/Principal Research Scientist
Office: RTP/BX-08
Phone: (+65) 6592 7792
Email: SArulkumaran@pmail.ntu.edu.sg

S. Arulkumaran (Member, IEEE) received his M.Sc(1991) and Ph.D (1997) in Physics from Madurai Kamaraj University and Anna University, India, respectively.

From 1997-1998 and 1999-2005, he was at Nagoya Institute of Technology (NIT), Japan as a JSPS Postdoctoral Researcher followed by Research Associate. From 1998-1999, he was working at Motorola Semiconductors on 4-inch Silicon-based transistors as a Device Physicist. At NIT, he did major contributions for the development of GaN HEMTs, MIS-HEMTs on Sapphire, Silicon and SiC substrates. In 2005, he joined TL@NTU as a Senior Research Scientist. In 2007, he was promoted to a Principal Research Scientist.

His current research interests are in III-V and III-Nitride based electronic devices. He has authored or co-authored over 150 papers in journals and conferences. Dr. S. Arulkumaran is a recipient of CSIR-Senior Research Fellowship, DAAD short-term research Fellowship (1996) and JSPS Post Doctoral Fellowship (1999) and Singapore’s Defense Technology Prize (2007).

CHAN Pak Kwong
Principal Investigator
Office: S1-B1b-45
Phone: (+65) 6790 4513
Email: epkchan@ntu.edu.sg

P. K. Chan received the B.Sc (Hons) Degree from the University of Essex in 1987, the M.Sc from the University of Manchester, Institute of Science and Technology (U.M.I.S.T.), in 1988 and the P.hD from the University of Plymouth, in 1992. From 1989 to 1992, he was a Research Assistant with the University of Plymouth, working in the area of MOS continuous-time filters. In 1993, he joined the Institute of Microelectronics (IME), Singapore as a Member Technical Staff, where he designed analog/mixed-signal circuits for integrated systems and CMOS sensor interfaces for industrial applications. In 1996, He was a Staff Engineer with Motorola, Singapore where he developed the magnetic write channel for Motorola 1st generation hard-disk preamplifier.

He joined Nanyang Technological University (NTU), Singapore in 1997, where he is an Associate Professor in the School of Electrical and Electronic Engineering. He served the Program Director (analog/mixed-signal IC and applications) for the Center for Integrated Circuits and Systems (CICS) from 2003 to 2010. His current research interests include sensor circuits and systems, mixed-mode circuits and systems, precision analog circuits, ultra low-voltage low-power analog circuits as well as power management IC for integrated sensors and system-on-chip. He is a sensor member of IEEE.

CHOO Kok Fah
Principal Investigator, Thermal/Packaging Analysis
Office: RTP/BX-09
Phone: (+65) 6790 6673
Email: KFChoo@ntu.edu.sg

Kok Fah graduated with a B.Sc in Engineering (Mechanical) with first class honours from Nanyang Technological Institute/University in 1991.

He worked for DSO National Laboratories from 1986 to 2002, progressing from a Technical Officer to a Principal Member of Technical Staff and a Laboratory Head. Besides managing R&D projects at DSO, he also specializes in thermal design and analysis and electronics packaging (module level) and is a co-inventor of a US Patent. Prior to joining TL@NTU, Kok Fah was a Product Development Manager at D'Crypt Pte Ltd, managing the development of their cryptographic products and handling project and product management issues. He also concurrently managed operations at NuovoWave Pte Ltd – a subsidiary of D'Crypt.

Kok Fah joined TL@NTU on September 11 2006 and his research interests are in the areas of Electronic Cooling and Packaging, specifically high heat dissipating devices.

DUAN Fei
Principal Investigator
Office: N3.2-02-84
Phone: (+65) 6790 5510
Email: FeiDuan@ntu.edu.sg

Dr. Duan, Fei joined in Division of Thermal and Fluids Engineering in School of Mechanical and Aerospace Engineering at Nanyang Technological University as an assistant professor on July 11, 2008. Before that, he is a postdoctoral fellow at Thermodynamics and Kinetics Lab of Department of Mechanical & Industrial Engineering in University of Toronto, Canada after he finished his Ph.D there. He finished his B.Sc in Chemical Engineering and M.Sc on Materials Science and Engineering. The focus of Dr. Duan's doctoral and postdoctoral studies was on thermodynamics, heat transfer and fluid mechanics. During his doctoral study, he visited Institute of Fluid Mechanics at Friedrich-Alexander-University, Erlangen-Nuremberg, Germany.

LI King Ho, Holden
Principal Investigator, Silicon MEMS
Office: N3-02c-106
Phone: (+65) 6790 4056
Email: HoldenLi@ntu.edu.sg

Holden Li graduated from NUS with a BS.c (Hons) in Engineering in 1997. In 2000 Holden enrolled in Stanford University for his graduate studies under Professor Thomas Kenny. During his Ph.D studies, Holden was actively involved in MEMS process development in finding suitable packaging solutions to MEMS and BioMEMS devices. Besides, he worked closely with several industrial partners who benefited from the on-going research activities in Kenny's group at that time. He was awarded his MSc and PhD in Mechanical Engineering in 2001 and 2005 respectively.

Back in Singapore in September 2005, Holden started to lead a research team in MEMS sensors research effort in the area of MEMS R&D and reliability study. Beyond this, Holden's passion for research and development in microelectronics, and his strong academic interest in the area of micro and nanotechnology propelled him to seek for funding opportunity in this area. He is currently working closely with several senior faculties in the area of microelectronics and MEMS research both in NTU and TL@NTU.

Holden's research interest is in the area of microelectronics, micro and nano fabrication methods and MEMS reliability study. The area in MEMS reliability is essentially an important aspect that is lacking in the academic world. Some of his latest works include the long term reliability of MEMS sensor under high constant acceleration field and various packaging options. Besides, Holden is actively working in the area of integration of microelectronics with MEMS and system level design.

RADHAKRISHNAN K
Principal Investigator, GaN Growth by MBE
Office: S1-B1c-83
Phone: (+65) 6790 4549
Email: ERADHA@ntu.edu.sg

Dr Radhakrishnan received his M.Sc in Applied Physics from University of Madras, M.Tech in Materials Science from IIT Kanpur, India, and Ph.D in Physics from National University of Singapore, Singapore. In 1991, he joined Nanyang Technological University, Singapore where he is now an Associate Professor. His research expertise is in the area of compound semiconductor materials and devices particularly on the growth and characterization of GaAs, InP and GaN based lattice matched, mismatched and metamorphic heterostructures, and fabrication and characterization of high-speed devices such as high electron mobility transistors and heterojunction bipolar transistors. His other research interests include surface and interface analysis of heterostructures and thedevelopment of novel materials and micro and nano device structures for electronic and photonic applications. He has published more than 100 research papers in reputed International journals. 14 MEng and PhD students have graduated under his supervision. In 2007, he was awarded the prestigious Singapore’s Defense Technology Prize for his outstanding technological contributions in MMIC R&D. He is a member of IEEE and MRS.

TAN Chuan Seng
Principal Investigator
Office: S2-B2c-85
Phone: (+65) 6790 5636
Email: TanCS@ntu.edu.sg

Chuan Seng Tan received his B.Sc in Electrical Engineering from University of Malaya, Malaysia, in 1999. Subsequently, he completed his M.Sc in Advanced Materials from the National University of Singapore under the Singapore-MIT Alliance (SMA) program in 2001. He then joined the Institute of Microelectronics, Singapore, as a Research Engineer where he worked on process integration of strained-Si/relaxed-SiGe heterostructure devices. In the fall of 2001, he began his doctoral work at the Massachusetts Institute of Technology, Cambridge, USA, and was awarded a Ph.D. in Electrical Engineering in 2006. He was the recipient of the Applied Materials Graduate Fellowship for 2003-2005. In 2003, he spent his summer interning at Intel Corporation, Oregon. He joined NTU in 2006 as a Lee Kuan Yew Postdoctoral Fellow and since July 2008, he is a holder of the inaugural Nanyang Assistant Professorship. His research interests are semiconductor process technology and device physics. Currently he is working on process technology of three-dimensional integrated circuits (3-D ICs). He co-edited a book on "Wafer Level 3-D ICs Process Technology" and it was published by Springer (ISBN 978-0-387-76532-7). He has numerous publications on 3-D technology including two US patent inventions. He is a member of IEEE.

TEO Hang Tong, Edwin
Principal Investigator, Research on Simultaneous Electron and Phonon Steering (NDPD)
Office: S1-B1c-118
Phone: (+65) 6790 4390/6593
Email: HTTEO@ntu.edu.sg

Edwin Teo received the B.Sc and Ph.D in Engineering from Nanyang Technological University (NTU), Singapore, in 2004 and 2009, respectively. From 2008 to 2010, he was with the physics department in Technion, Israel as a post-doctoral fellow working on fundamental aspects of self oriented amorphous carbon materials. During his PhD training, he has won the Institute of Engineers, Singapore, Prestigious Engineering Achievement Award and Tan Kah Kee Young Inventors Award in 2007 and 2008 respectively. Since late 2010, he joined Temasek Laboratories@NTU as a Nanyang-DSO Post-Doctoral Fellow (NDPD). His current work is on the electron and phonon steering in textured carbon as well as carbon based radiation elements. Edwin's current research interest includes all areas carbon materials fabrication, characterization and devices.

TOH Kok Chuan
Principal Investigator/Principal Research Scientist, Thermal/Packaging Analysis
Office: RTP/BX-09
Phone: (+65) 6592 7790
Email: MKCTOH@ntu.edu.sg

Kok Chuan received a Bachelor of Engineering (Mechanical) with First Class Honours from the University of Auckland in 1976, a Diploma in Business Administration from the National University of Singapore in 1983, and a Masters of Science in Mechanical Engineering from Stanford University in 1987.

From 1976 to 1981, he worked as a Mechanical Engineer for the Public Works Department on projects such as the development of Changi International Airport. From 1981 to 1984, he was a Supply and Trading Executive (Technical) for the Singapore National Oil Co with responsibilities which include ensuring the security of energy supplies to Singapore. He joined the then Nanyang Technological Institute in 1984 under the Academic Staff Development Scheme and became a Senior Lecturer in 1987. He was promoted to Associate Professor in 1998 and remained with the School of MPE/MAE till the end of his tenure in 2009.

Kok Chuan joined TL@NTU in January 2010 as a Principal Research Scientist, and will be responsible for leading projects and assisting in the formulation of R&D strategies and directions in the area of thermal management and electronic packaging. His areas of interest are in thermodynamics, heat transfer and energy analysis, specializing in cooling of electronics and high heat flux thermal management.

Kok Chuan is an active member of ASME and IEEE and has chaired/co-chaired several regional technology groupings/conferences. He also serves in several national committees including as Singapore delegate to ISO/PC242 for the development of the ISO 50001 Energy Management Standards, the Singapore Certified Energy Managers Examination Board and the Technical Evaluation Panel of the Grant for Energy Efficient Technologies under the National Environment Agency.

WANG Hong
Principal Investigator, RF MEMS
Office: S2.1-B2-12
Phone: (+65) 6790 4358
Email: EWANGHONG@ntu.edu.sg

Wang Hong received his B.Eng. from Zhejiang University, P. R. China, in 1988, and M.Eng. and Ph.D. from Nanyang Technological University (NTU), Singapore, in 1998 and 2001, respectively. From 1988 to 1994, he was with the Institute of Semiconductors, Chinese Academy of Sciences developing InP-based OEIC’s.

From 1994 to 1995, he was a royal research fellow at British Telecommunications Laboratories, Ipswich, U. K., working on the development of 0.25 um InP-based HFETs using E-beam lithography.

Since 1996, he joined the Microelectronics Centre at Nanyang Technological University as a Research Associate, where he is currently an Assistant Professor. In 2000, he demonstrated the world first metamorphic InP/InGaAs double heterojunction bipolar transistor on GaAs substrate. He has authored and co-authored more than 100 technical papers.

Wang Hong research interests includes III-V compound and Si-based semiconductor device physics, fabrication technology and characterization.

Yap Fook Fah
Principal Investigator
Office: N3.2-02-15
Phone: (+65) 6790 4724
Email: MFFYAP@ntu.edu.sg

YAP Fook Fah obtained his Bachelor Degree in 1990 and his Doctorate in Philosophy in 1994, both from University of Cambridge, UK. His research includes mechanics of micro-systems and in particular the dynamic analysis of multi-component systems for high capacity, high speed data storage. He has also engaged in research regarding virtual prototyping and simulation of complex mechanical systems, flywheel energy storage systems and dynamics of damped structures and vibration control using magneto-rheological fluid damping technology.

ANG Kian Sen
Senior Research Scientist

Kian Sen received the B.Eng from the National University of Singapore in 1994 and the Ph.D Eng from the University of Surrey, U.K. in 2000.

Since 1994, he has been with DSO National Laboratories where he is working as a Research Engineer involved in the development of microwave circuits and subsystems. In 1997, he was awarded the Defence Technology Training Award from the Ministry of Defence, Singapore to pursue his Ph.D. He is currently a Principal Member of Technical Staff with DSO National Laboratories. Concurrently, he is also a Senior Research Scientist in the Microsystems Group in TL@NTU and an Adjunct Assistant Professor in NTU.

His research interests include design, analysis and the measurement of novel microwave circuits, especially MMICs. He has been involved in the development of more than 100 MMICs over 20 wafer runs. He has consistently contributed to pre-eminent microwave journals and international conferences. He has first-authored over 20 publications in this area and also contributed to RFIC and MMIC Design and Technology (London, U.K.: IEE Press, 2001).

ANG Kian Siong
Principal Investigator/Senior Research Scientist
Office: RTP-BX-08
Phone: (+65) 6316 2946
Email: KSANG@ntu.edu.sg

Ang Kian Siong received his BSc Eng and MEng. from Nanyang Technological University (NTU), Singapore, in 1997 and 1999, respectively. From 1998 to 1999, he was working on 0.25um GaAs based PHEMT for low noise and high power MMIC applications for his M. Eng. From 2001 to 2002, he joined Denselight Semiconductor Pte Ltd where he developed InP-based HBT MMIC for Ultra High Speed wireless and optical products. From 1999 to 2009, he was working in Chartered Semiconductor Manufacturing in both technical and management positions. He was leading the F2 Lithography Process team to excel in the engineering field and process improvement for cost saving, improved yield and Fab capacity for > 3 years. He has many awards and commendations for his contributions while he was working in Chartered Semiconductor Manufacturing especially on Inter-Fab Lithography Capacity Improvement, F2 Capacity Ramp and Optical Colour Filter CMOS Image Sensor development. Kian Siong has authored and co-authored few technical papers and patents.

Kian Siong joined TL@NTU in November 2009. His current research interests include III-V compound semiconductor fabrication technology and characterization as well as supervision for MDC Cleanroom Operation as a Lab Manager.

LIU Chongyang
Senior Research Scientist
Office: RTP/BX-08
Phone: (+65) 6316 2937
Email: LIUCY@ntu.edu.sg

Dr. Liu obtained his Ph.D in 2004 from Nanyang Technological University (NTU), Singapore (Thesis title: Fabrication and Characterization of Semiconductor Lasers with Pulsed Anodic Oxidation).

He was a Research Associate in Singapore-MIT Alliance (SMA) project (2004~2005) and a postdoctoral Research Fellow (2005~2007) in the School of Electrical and Electronic Engineering at NTU, Singapore. From 2007 to 2009, he was a Senior Research Fellow with the A*STAR “VIP” program on Nanophotonics & Nanoelectronic Integration (NEI) at Data Storage Institute, Singapore.

Prior to joining TL@NTU in February 2012, he was with Technical University Berlin (TUB), Germany from October 2009 to December 2011 where he worked on high-power, high-speed semiconductor quantum dot mode-locked lasers as well as semiconductor lasers with novel gain medium. He was awarded the Humboldt Fellowship (for experienced researcher) from Alexander von Humboldt Foundation for doing research in TUB, Germany.

His research interests include design, simulation, fabrication, characterization and analysis of low-dimensional (Quantum well and quantum dot) semiconductor light sources, monolithically integrated high speed Photonic devices/systems as well as Micro/NanoPhotonic and Electronic photonic Integration. He has authored and co-authored 46 international peer-reviewed journal papers, one book chapter as well as 17 international conference papers in these fields so far.

NETHAJI Dharmarasu
Senior Research Scientist
Office: RTP/BX-08
Phone: (+65) 6592 7794
Email: DHARMA@ntu.edu.sg

In 1999, Dr. Dharmarasu received his Ph. D in Physics (compound semiconductors) from Crystal Growth Center, Anna University, India as part of the Ph. D research that was carried out at Friedrich Schiller University, Germany, under DAAD fellowship. He has been working on compound semiconductors since 1994. From 1999 to 2002, he worked at Toyota Technological Institute (TTI), Nagoya Japan, on III-V compound semiconductor multijunction space solar cells. From 2002 to 2005, he worked at Advanced Telecommunications Research Institute International (ATR), Kyoto, Japan on III-V compound semiconductor based opto-electromechanical devices. From 2005 to 2007, he was with the Institute of Nanostructure Technologies and Analytics (INA) at the University of Kassel, Germany where he headed the optical electro mechanical devices group.

Dr. Dharmarasu is with TL@NTU since December 2007 and is currently working on epitaxial growth of III-V nitrides and materials characterizations. He has published more than 50 Journal papers, co-authored a book and holds 6 patents.

ONG Soon Eng
Research Scientist
Office: RTP/BX-08
Phone: (+65) 6316 2935
Email: SEOng@ntu.edu.sg

Ong Soon Eng obtained his Bachelor of Engineering and Ph.D from Nanyang Technological University in 2003 and 2008 respectively. He worked on material study, particularly diamond-like carbon film during his course. He also has experience in carbon nantubes, shape memory alloy, in vitro testings using living cells and bacteria and MEMS fabrication techniques.

Soon Eng joined TL@NTU in 2008 and his area of research is micro fabrication and packaging methodologies.

Vicknesh s/o Sahmuganathan
Research Scientist
Office: RTP/BX-08
Phone: (+65) 6316 2946
Email: vicknesh@ntu.edu.sg

Vicknesh graduated with a Master of Science (Photonics) from Nanyang Technological University in 2006 and a Bachelors of Engineering (Electrical and Electronics Engineering) from University of Glasgow (Scotland, UK) in 1999.

Prior to joining TL@NTU, Vicknesh was working as a Senior Research Officer and a Senior Process Engineer in the Institute of Materials Research and Engineering (IMRE) and Phillips Lumileds Lighting Company respectively. Vicknesh specialized in fabrication and characterization of Indium Phosphide (InP) based Optical MEMS for telecommunication applications at IMRE. Whilst at Lumileds, Vicknesh was involved in transfer of technology and process start-up for high volume manufacturing of Gallium Nitride (GaN) based high brightness light emitting diodes (HB-LEDs).

Vicknesh re-joined TL@NTU in April 2009 and his research interests are in the areas of fabrication and characterization of both Gallium Arsenide (GaAs) and Gallium Nitride (GaN) based High Electron Mobility Transistors (HEMTs).

TEO Khoon Leng
Research Scientist
Office: RTP/BX-08
Phone: (+65) 6316 2946
Email: TKLeng@ntu.edu.sg

Khoon Leng obtained his B.Sc in Computing and Information Systems from University of London (external programme) in 2002.

Prior to joining TL@NTU, he worked in the Institute of Microelectronics, Singapore from 1998 to 2007, specialising in Electron Beam Lithography for wafer writing and mask making, layout design for mask making and lithography processes using Nikon scanner.

Khoon Leng's research area is in Electron Beam Lithography for gate writing.

TAN Siow Pin, Melvin
Research Scientist
Office: RTP/BX-09
Phone: (+65) 6592 7790
Email: MSPTAN@ntu.edu.sg

Tan Siow Pin, Melvin is a Research Associate with TL@NTU and has extensive experience designing cooling solutions for electronics systems/modules. Melvin obtained his Bachelor of Engineering wiith first class honors in 2004 and Master of Engineering (2008) from Nanyang Technological University, investigating novel cooling techniques for high heat flux advanced packaging.

Prior to joining TL@NTU in the middle of 2010, Melvin worked as a Research Officer at A*STAR's Institute of Micro-Electronics designing thermal solutions for advanced electronics and bio-packaging.

Melvin's current research focus here in TL@NTU is on the thermal management and ruggedization of electronic system.

FOO Siew Chuen
Research Associate
Office: RTP/BX-08
Phone: (+65) 6316 2938
Email: SCFOO@ntu.edu.sg

Siew Chuen obtained her Bachelor Degree in Materials Engineering and Masters in Science (Mechanics and Processing of Materials) from Nanyang Technology University in 2001 and 2007 respectively.

She had worked in Denselight Semiconductors (Photonics Product Manufacturer) from 2002 to 2003 and ASM Pacific Technology Singapore (Assembly and Packaging Equipment Supplier) from 2003 to 2008. She had experience in failure analysis, advanced characterization of materials and semiconductor fabrication processes.

Her areas of interests include materials characterization and wafer processing of GaAs pHEMPT device.

HO Darren
Research Associate
Office: RTP/BX-08
Phone: (+65) 6316 2946
Email: CCHo@ntu.edu.sg

Darren graduated with a BEng (Electrical) from University Of Newcastle in the year 2007. He was awarded Dean's Merit List in the year 2006.

Upon obtaining his Second Class Upper Honours degree, he had worked as a customer support engineer in ASM Technology Singapore. At ASM, he provides support and service to all the wire-bonders located in China. On top of that, he also performed sample bonding under customer's requirement. Some of the customers that he aliases closely with are ST, Amkor, Fairchild, NXP, Freescale.

Darren is currently working as a Research Associate at TL@NTU. He is involved in the Backend Wafer-Fabrication duties such as lapping/polishing, wafer bonding, electroplating and scribing/cleaving

KUMAR Manoj
Research Associate
Office: RTP-BX-08
Phone: (+65) 6514 8377
Email: MKCMOHAN@ntu.edu.sg

Manoj Kumar obtained his Bachelor Degree in Physics from Bharathiar University, India in 2002 and his Masters in Materials Science & Technology from Anna University, India in 2004..

He had worked with the department of Materials Research Centre, Indian Institute of Science, Bangalore from 2004 to 2008 as a Project Researcher with the close collaboration of Central Research Laboratory of Bharat Electronics Limited, India. He was working with Fabrication, Processing and Characterization of GaAs/AlGaAs based Quantum Well IR detectors (QWIPs) for night vision cameras. Later he moved to a DRDO Organization – Society for Integrated Circuit Technology and Applied Research (SITAR), Bangalore to work as a Process Engineer in CMOS and MEMS devices from 2008 to 2009.

Currently, with the Microsystems group, he concentrates on the III-V and III-Nitride based electronic devices. He was awarded the summer fellowship in 2003 at Institute of Mathematical Science under the Dept. of Atomic Energy, Govt. of India to work in Quantum Dots.

MAUNG Bryan
Research Associate
Office: RTP/BX-08
Phone: (+65) 6316 2938
Email: MAUNGB@ntu.edu.sg

Bryan obtained his Degree in Electronics from Yangon Technological University in 2002 and a his Masters in Material Science and Engineering from the National University of Singapore in 2005. He was a Research Officer in the Institute of Material Research and Engineering before joining TL@NTU in August 2008.

Bryan’s current area of research is in III-V materials fabrication and characterization.

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