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Tse Nga (Tina) Ng

Tse Nga Ng's research involves plastic electronics patterned by inkjet printing instead of traditional photolithography. Since contributing to the successful demonstration of bendable image sensors for x-ray medical imaging, Tina's work has expanded to other sensor electronics applications. She worked on complementary circuits and non-volatile memory for a printed sensor tape that diagnoses mild traumatic brain injury (part of a DARPA contract), and is currently working on the development of printed logic (joint project between PARC and ThinFilm Electronics) -- awarded the 2012 FLEXI Innovation Award.

Tina's professional organization activities include the National Science Foundation review panel, the National Academy of Engineering’s Frontiers of Engineering Symposium, and the Materials Research Society bi-annual meetings. Dr. Ng received her Ph.D. in Physical Chemistry from Cornell University, where she focused on: (1) examining charge injection processes in organic semiconductors by electric force microscopy; and (2) thermomagnetic fluctuations and hysteresis loops of sub-micron magnets for magnetic resonance force microscopy.


PARC publications

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Development of Printed Electronics Platform

2014 International Workshop on Flexible & Printable Electronics

26 September 2014

From printed devices to printed hybrid systems

Nano Bio Manufacturing Consortium (NBMC) Wearable Electronics Workshop

23 May 2014

Solgel processed oxide thin-film transistors with mobility up to 30cm2/Vs

Flexible and Printed Electronics Conference

3 February 2014

Hybrid printed electronics

FlexTech Conference 2014

3 February 2014

Novel printing processes for high performance transistors

2014FLEX 13th Annual Flexible & Printed Electronics Conference & Exhibition

3 February 2014

Sol-gel solution-deposited InGaZnO thin film transistors

Applied Materials and Interfaces (American Chemical Society)

13 January 2014


Printed circuits and sensing systems

American Vacuum Society 60th International Symposium and Exhibition

30 October 2013

3D printed electronics

Digital Fabrication 2013

30 September 2013

Ink-jet and gravure printed electronics

2013 Sociedade Brasileira de Pesquisa em Materiais (SBPMAt) Meeting - 2013 Brazillian Materials Research Society (B-MRS) Meetin

30 September 2013

Printed organic integrated circuits for sensor systems

International Conference on Flexible and Printed Electronics (ICFPE)

11 September 2013

Comparison of organic pulse-generator circuits for ferroelectric memories fabricated by all-additive printing

4th International Conference on Semiconductor Technology for Ultra Large Scale Integrated Circuits and Thin Film Transistors

7 July 2013

Hybrid printed electronic systems

Spring 2014 Meeting of the Materials Research Society

21 April 2013

Flexible, large-area sensor circuits fabricated by additive printing

2013 and Beyond: Flexible Electronics Symposium at TMS Annual Meeting

4 March 2013

Creating the future of printed electronics

Flextech (FLEX2013)

29 January 2013

From lab-scale ink-jet to mass-printed circuits

2013 Flextech Flexible Electronics and Displays Conference

29 January 2013

Comparison of static and dynamic printed organic shift registers

IEEE Electron Device Letters

February 2013


Flexible large-area electronics made by additive printing

US Frontiers of Engineering Symposium

13 September 2012

Printed circuits and sensors for flexible electronic devices

International Conference on Flexible and Printed Electronics 2012

6 September 2012

Flexible, large-area sensor circuits fabricated by additive printing

2012 NanoTechnology for Defense Conference

8 August 2012

Ink and substrate interactions in printed field-effect transistors

Printing Electronics - Ink and Substrate Interactions

2 August 2012

Scalable logic-addressed memory: printing integration of organic complementary logic and ferroelectric memory

Large-area, Organic and Printed Electronics Convention (LOPE-C)

20 June 2012

Inkjet printed organic circuits for addressing non-volatile memory

2012 Spring Meeting of the Materials Research Society

10 April 2012

Flexible and printed electronic sensing systems

Design West: Sensors in Design

29 March 2012

Organic complementary decoder circuits patterned by inkjet printing for addressing memory elements

2012 Flexible Electronics and Displays Conference

8 February 2012


Materials, processing, and testing of flexible image sensor arrays

IEEE Design & Test of Computers special issue on flexible electronics

December 2011

Printed thin film transistor: materials and applications

Organic Field-Effect Transistors X

22 August 2011

Solution-processed memristive junctions in a threshold indicator

IEEE Transactions on Electronic Devices

October 2011

Organic complementary circuits and resistive memory patterned by inkjet

Large-area Organic and Printed Electronics Convention (LOPE-C)

30 June 2011

Printed electronics at Palo Alto Research Center

ASM Santa Clara Chapter Meeting

9 March 2011

Printed electronics at Palo Alto Research Center

Guest lecture for a fabrication class at Stanford

17 February 2011


Flexible printed sensor tape based on solution processed materials

23rd Annual Meeting of the IEEE Photonics Society

7 November 2010

Pressure sensors for printed blast dosimeters

IEEE Sensors 2010 Conference

1 November 2010

Flexible and printed electronics for sensors, displays and photovoltaics

International Workshop on Flexible and Printed Electronics

8 September 2010


Materials and novel patterning methods for flexible electronics

Chapter in Flexible Electronics: Materials and Applications


Jet-printing: from drops to electronic devices

Printed Electronics USA 2009

2 December 2009

Flexible electronics and the value of inkjet-printing for displays and sensors

International Workshop on Flexible and Printed Electronics (IWFPE 09)

18 November 2009

Amorphous silicon thin film transistor image sensors

Philosophical Magazine

October 2009

Flexible printed sensor tape for diagnostics of mild traumatic brain injury

IDTechEx Printed Electronics Asia

30 September 2009

The prospects of inkjet printing for displays and sensor tapes

IS&T Digital Fabrication Conference 2009 (DF 09)

20 September 2009


The interplay of materials in printed electronics

MRS Fall 2008 Meeting

1 December 2008

Characterization of flexible image sensor arrays with bulk heterojunction organic photodiodes

SPIE Conference on Organic Field-Effect Transistors VII and Organic Semiconductors in Sensors and Bioelectronics

10 August 2008

Flexible and printed electronics for displays and image sensors

The Future Prospects and Obstacles of Organic Electronics

25 February 2008


Bias stress effects in organic thin film transistors

IEEE International Reliability Physics Symposium

15 April 2007


Kinetics of trap release in organic semiconductors

SPIE Optics & Photonics 2006

13 August 2006




other publications

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Dependence of charge injection on temperature, electric field, and energetic disorder in an organic semiconductor, T. N. Ng, W. R. Silveira, and J. A. Marohn

Physical Review Letters, 2007, 98 (6): 066101

High-sensitivity electric force microscopy of organic electronic materials and devices, W. R. Silveira, E. M. Muller, T. N. Ng, D. Dunlap, J. A. Marohn

book chapter in Scanning Probe Microscopy: Electrical and Electrochemical Phenomena at the Nanoscale, edited by Sergei Kalinin and Alexei Gruverman, Springer, 2007


Thermomagnetic fluctuations and hysteresis loops of magnetic cantilevers for magnetic resonance force microscopy, T. N. Ng, N. E. Jenkins, and J. A. Marohn

IEEE Transactions on Magnetics. 2006, 42 (3): 378

Non-ideal behavior in a model system: contact degradation in a molecularly doped polymer revealed by variable-temperature electric force microscopy, T. N. Ng, W. R. Silveira, and J. A. Marohn

Proc. SPIE, 2006, 6336: 63360A


Batch fabrication and characterization of ultrasensitive cantilevers, N. E. Jenkins, L. P. DeFlores, J. A. Allen, T. N. Ng, S. R. Garner, S. Kuehn, J. M. Dawlaty, and J. A. Marohn

J. Vac. Sci. Technol. B, 2004, 22: 909