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Engineer Process

Location:
New Jersey
Posted:
July 15, 2013

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Resume:

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



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