Thitima Suwannasiri
** ****** ******* **** *********, NJ 07849
Cell: 973-***-****
ab1h5n@r.postjobfree.com
Technical Skills and Abilities:
. Micro/Nano-Electronics Wafer Processing: Cleanroom protocols, wafer
cleaning, photolithography, wet chemical processing, DRIE, RIE, vapor-
phase etching, thermal and e-beam evaporation, sputtering, ALD, ion
milling, thermal oxide growth, LPCVD, RTP, RTCVD, wafer bonding
. Ceramics Processing: Colloidal/surface chemistry, powder synthesis,
powder dispersion and formulation, slip and tape casting, attrition
milling, ball milling, uniaxial pressing, CIP, HIP, atmospheric
sintering, grinding and polishing
. Characterization/Metrology: SEM, EDX, TEM, optical microscope, XRD,
particle size analysis, BET, rheology and electrophoretic mobility
measurements, mechanical testing, electrochemical analyses, electrical
property analyses, profilometry, reflectometry, ellipsometry, particle
counter, RGA
. Statistical Analyses: SPC and Design of Experiments
. Computer: MS Office, AutoCAD, C++, VB, Java
. Languages: Fluent in English and Thai
Education:
. Ph.D. and M.S. Ceramics Science and Engineering, Rutgers, 1997
. Master of Software Systems, University of British Columbia, Canada,
2001
. B.S. Materials Science, Chulalongkorn University, Thailand, 1988
Experience:
2011- 2012 Process Engineer (1 year contract)
Microelectronics Research Laboratory, IBM Yorktown Heights, NY
. Provided technical support, process control and processing of FEOL and
METAL sectors
Scope of work
- Wet chemical processing: wafer cleaning, wet etch, organic residual
removal
- Thermal processing: diffusion, annealing, thermal oxide growth and
RTP
- Thin film deposition: LPCVD of low T SiO2, Si3N4 and amorphous/poly-
Si, RTCVD of amorphous/poly/epitaxial (doped) Si and Si3N4 and ALD
of HfO2, Al2O3, and TiN
2010-2011 Research Associate (University of Maryland)
Detector System Branch, NASA-GSFC, Greenbelt, MD
. Involved in PIPER array development and fabrication for Transition Edge
Sensor
Achievement: Sputtering deposition of Mo/Au bi-layer with reproducible
Tc
. Fabrication of Fresnel lenses for imaging X-ray source from Solar
Flares
Achievement: Solve membrane breakage and non-vertical DRIE problems
and obtain Fresnel lenses with fine angular resolution
. Member of graphene research setup team
Scope of work:
- Writing standard operating procedure
- Wet chemical processing: wafer cleaning, wet etch, organic residual
removal
- Photolithography: Selecting photoresists suitable for subsequence
process, determining exposure dosage and developing time, front/back
side mask alignment, alignment checking
- Maintain a load-lock sputtering tool and optimize processing
condition of Mo to achieve low stress and reproducible Tc
- Metallization using sputtering, e-beam and thermal evaporation tools
- Refine wafer bonding technique to minimize trapped air pockets which
caused membrane brakeage in subsequence processes
- RIE: optimize etching of SiO2, Si and Mo
- DRIE: optimize etch/passivation condition to achieve vertical walls
for membranes and Through-Wafer Via arrays
- XeF2 vapor-phase etching of Si
1997-1999 Postdoctoral Associate (Oak Ridge Associated University)
Solid State Division, Oak Ridge National Laboratory, Oak Ridge, TN.
. Formulation, fabrication, microstructure optimization and integration
of Lithium Manganese Oxide and Lithium Cobalt Oxide thick-film
cathodes in solid-state rechargeable lithium batteries
Achievement: Drastically reduced undesirable crystalline orientation
in LiCoO2 and produced sinterable LiMn2O4 cathodes
1990-1997 Graduate Assistant
Ceramics Science and Engineering Department, Rutgers, Piscataway, NJ
. Optimize high solids loading for water-based tape casting of Alumina
and Aluminum Nitride substrates
Achievement: Obtain extremely high solids loading of 73 vol% in
aqueous suspension and of 63 vol% in tape cast slip for Al2O3.
Successfully formulate aqueous AlN suspension of 52 vol% solids
loading with minimal degradation and thermal conductivity of up to 153
W/m.K.
. Investigate optimal dispersants, processing and sintering of SiC
. Study effects of various rare earths on the electromechanical
properties of modified Lead Titanate
Achievement: Identify that the Gd-rich second phase causes zero kp
in modified
PbTiO3
1989-1990 Research Assistant
Department of Materials Science, Chulalongkorn University, Bangkok,
Thailand
. Processing and forming of Manganese Zinc Ferrite for use in
transformers
1988-1989 Research and Development Ceramist
Thai-German Ceramics Industry Co. Ltd., Pathumthanee, Thailand
. Processing development and quality improvement of wall tiles
Presentations and Publications:
"Effect of Rare Earth Additives on Electromechanical Properties of
Modified Lead Titanate," T. Suwannasiri and A. Safari, Presented at the
94th Annual American Ceramic Society Meeting, Minneapolis, MN, April,
1992 and the ISAF Meeting, August, 1992.
"Effect of Rare Earth Additives on Electromechanical Properties of
Modified Lead Titanate," T. Suwannasiri and A. Safari, J. Am. Ceram.
Soc., 76[12], C3155-58, 1992.
"Aqueous Tape Casting of AlN," T. Suwannasiri, D. J. Shanefield, and W.
R. Cannon, Presented at the 98th Annual American Ceramic Society Meeting,
Indianapolis, IN, April, 1996.
"Preparation of High Solids Loading Suspensions in Aqueous Tape Casting
of Alumina Substrates," T. Suwannasiri, D. J. Shanefield, and W. R.
Cannon, Presented at the 98th Annual American Ceramic Society Meeting,
Indianapolis, IN, April, 1996.
"LiMn2O4 and LiCoO2 Thick-Film Cathodes in Solid-State Lithium
Batteries," T. Suwannasiri, N. J. Dudney, J. Xu, and J. B. Bates,
Presented at the 100th Annual American Ceramic Society Meeting,
Cincinnati, OH, May, 1998.
US Worker Status: Permanent Resident