Polymer Engineer

SUNG-HWAN YOON

Postdoctoral Research Associate

Plastics Engineering/Center for High-Rate Nanomanufacturing

University of Massachusetts Lowell

*** ********* ***. #***, ******, MA 01826

Phone: 978-***-****; Fax 978-***-****

Permanent Resident of U.S.A.

E-mail: ******@*****.***

OBJECTIVE

Seeking a full-time position where I could accomplish something novel and valuable using my knowledge and research experience in polymer and materials science and engineering.

WORK AND RESEARCH EXPERIENCE

 Development of tooling and process for nano and micro-scale replication as a POSTDOC research associate

 Process development for microfluidic device

 Invention of metal-polymer hybrid tooling for micro injection molding and heat transfer analysis

 Development of gas-assist micro injection molding

 Investigation of tooling surface effect on nano-scale replication (silicon, anti-stiction coating on silicon, and metal-polymer hybrid)

 Investigation of polymer materials (PC, TPU, TPE, PS, PMMA, Nylon, COP, PP) on nano and micro-scale replication

 Design mold for insert molding

 Characterization with AFM, FMM, SEM, and confocal optical microscopy

 Biomimetic approach to modify crystal growth via polymer induced liquid precursor(PILP)

 Calcium carbonate crystallization by using polyaspartic acid and polyacrylic acid

 The effect of biopolymeric additives (e.g. PAA) on calcium sulfate dihydrate (gypsum) crystal growth and morphology

 Development of evaluation method for crystal growth by 2-D particle size analysis with SCION Image software

 Soft Lithorgaphy-Preparation of PDMS micromolding stamp with SYLGARD 184 (Dow Corning)

 Deposition of a patterned PILP phase with precise control

 Enhancement of liquid crystal copolyester films for MCM-L packaging

 Investigation of annealing effect on biaxially extruded liquid crystal copolyester films (Xydar, Vectra, and Zenite) by FOSTER-MILLER, Inc.

 Effect of annealing on thermal expansion and TCN of the LCP films

 Evaluation of adhesion between Cu-LCP laminates

 Stress and failure analysis of LCP films

 Characterized by DSC, TGA, TMA, and Instron

 Reactive extrusion and morphology analysis

 Blending of polyolefins by twin-screw extrusion

 Evaluation of mixing with 2-D morphology analysis on hot stage

SKILLS

 Experienced in most polymer processing techniques: Injection molding, single and twin screw extrusion, compression molding, blow molding, film blowing, calendering, thermoforming, and rotational molding

 Thermal analysis: MFI, capillary rheometer, DSC, TGA, TMA

 Microscopy: SEM, AFM, and OM

 Computer skills: FORTRAN, Solidworks, Moldflow, MATLAB, Mathematica, ANSYS, web design, Adobe Photoshop, PC hardware troubleshooting

 Other skills: FTIR, E-beam lithography, INSTRON, vapor deposition

EDUCATION

 Doctor of Engineering, Plastics Engineering (February 2006)

University of Massachusetts Lowell

Dissertation: “Investigation of novel tooling for nanoscale replication by injection molding”

 Master of Science, Materials Science and Engineering (May 2001)

University of Florida

 Master of Science, Materials Science and Engineering (May 1997)

University of Illinois at Urbana-Champaign

 Bachelor of Engineering, Polymer Science and Engineering (February 1994)

Pusan National University (South Korea)

CERTIFICATES

 Moldflow MPI Simulation Fundamentals at Moldflow Corporation Headquarters (Framingham, MA, 2007)

 Plastics Design Certificate at University of Massachusetts Lowell (2005)

 Plastics Processing Certificate University of Massachusetts Lowell (2005)

AWARDS AND SCHOLARSHIPS

1. 2009 Plastics Technology Editors’ Pick: “Enhancement of Surface Replication by Micro-Gas-Injection Molding” (http://www.ptonline.com/articles/200905fa2.html)

2. Excellence award in the NanoManufacturing and MicroManufacturing Poster Session in 2008 Society of Manufacturing Engineers (SME) Conference & Exhibits

3. Best poster award in poster competition by SAMPE-Boston Chapter (2006)

4. Rotary International Ambassadorial Scholarship (1995 - 1997)

PATENT

1. “Methods for Forming Metal-Polymer Hybrid Tooling for Forming Parts Having Micro Features”, International Application Serial No. PCT/US09/40890 (April 17, 2009)

PUBLICATIONS

1. “Enhancement of Surface Replication by Micro-Gas-Injection Molding”, Sung-hwan Yoon, et al. Plastics, Rubber and Composites: Macromolecular Engineering, submitted, 2009

2. “Evaluation of Vacuum venting for Micro-Injection Molding”, Sung-Hwan Yoon, et al. International Polymer Processing, submitted, 2009.

3. “Effect of Processing Parameters, Antistiction Coatings, and Polymer Type when Injection Molding Microfeatures”, Sung-Hwan Yoon, et al. Polymer Engineering and Science, accepted, 2009.

4. “Micro Injection Moulding”, Carol M. F. Barry and Sung-hwan Yoon, Commercial Micro Manufacturing, 1(5), 24-29, 2008.

5. “Properties and Dispersion of Epdm/Modified Organoclay Nanocomposites”, D. Kang, D. Kim, S. Yoon, C. Barry, and J. Mead, Macromolecule Materials and Engineering, Volume 292, Issue 3, P329-338, 2006.

CONFERENCE PROCEEDINGS AND PRESENTATIONS

1. “Injection Molding of Thermoplastic Elastomers for Microfeature Replication”, Sung-Hwan Yoon, et al., Rubber Expo & 176th Technical Meeting, ACS Rubber Division, October 13-15, Pittsburgh, PA, 2009.

2. “Comparison of Tooling Materials in Injection Molding of Microscale Features”, Sung-Hwan Yoon, et al., Proceedings of IMECE09, 2009 ASME International Mechanical Engineering Congress and Exposition, November 13-19, Lake Buena Vista, Florida, 2009, accepted.

3. “Effect of Tooling Surface Roughness in Micro-injection Molding”, Sung-Hwan Yoon, et al., Proceedings of the 2008 International Manufacturing Science and Engineering Conference, Evanston, IL October 7-10, 2008

4. “Evaluation of Metal-Polymer Hybrid Tooling for Micro-injection Molding”, Sung-hwan Yoon, et al. ANTEC 2008 Proceedings of the 66th Annual Technical Conference & Exhibition, Milwaukee, WI, May 4-8, Society of Plastics Engineers, pp2473-2478.

5. “Micro-Injection Molding of High Aspect Ratio Features with Thermoplastic Polyurethanes”, Sung-hwan Yoon, et al. ANTEC 2007 Proceedings of the 65th Annual Technical Conference & Exhibition, Cincinnati, OH, May 6-11, Society of Plastics Engineers, pp1995-1999.

6. “Micro-Injection Molding of High Aspect Ratio TPU (Thermoplastic Polyurethanes)”, Sung-hwan Yoon, et al. Society of Manufacturing Engineers Micro Manufacturing Conference and Exhibits, March 14, 2007

7. “Critical Factors for Nanoscale Injection Molding”, Sung-hwan Yoon et al. Proceedings of SPIE-The International Society of Optical Engineering, Volume 6380 (Smart Medical and Biomedical Sensor Technology IV), October 23, 2006.

8. “Alternative Tooling for Nanoscale Injection Molding,” Sung-hwan Yoon, et al. Society of Plastics Engineers Annual Technical Conference 2005 (presentation only), May 2005.

9. “Evaluation of Novel Tooling For Nanoscale Injection Molding,” Sung-hwan Yoon, et al. Proceedings of SPIE-The International Society of Optical Engineering, Volume 5763, pp107-116, March 7 – 9, 2005.

10. “Investigation on the Effects of Tooling Surfaces on Injection Molded Nanofeatures,” S-H Yoon, et al. Technical Proceedings of the 2004 NSTI Nanotechnology Conference and Trade Show, Volume 3, pp460 – 463, March 7 – 11, 2004.

11. “The Effects of Tooling Surfaces on Injection Molded Nanofeatures,” Yoon, Sung-hwan; et al. Society of Plastics Engineers Annual Technical Conference 2004, Vol. 1), pp738-742, May 2004.

EXTRA CURRICULAR ACTIVITIES

 UMASS Lowell Nanomanufacturing Club President (Sept. 2003 - May 2004)

 UMASS Lowell Plastics Engineering Department webmaster (Sept. 2001- 2002)

LINGUISTIC COMPETENCE

Native in Korean and fluent in English (TOEFL score: 637, taken in November 1993, GRE score: 1470, taken in December 2001)

PROFESSIONAL AFFILIATIONS

 Society of Plastics Engineers (SPE)

 International Society of Optical Engineers (SPIE)

 American Chemical Society (ACS) Rubber Division

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