Home Page		Peter Bradley Home: Ph: (858) 451-0578 14303 Breezeway Place, San Diego, CA, 92128, United States. Work: Ph: (858) 675-3468 Zarlink Semiconductor, Medical Business Unit Senior IC designer/Project manager 10815 Rancho Bernardo Rd, Suite 210; San Diego, CA, 92127, United States. peter.bradley@zarlink.com
Education
Professional Experience
Publications
Conferences
Prizes and Patents
Software Skills
Referees
Contact information

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Electronics/Biomedical/Rad-Hard Engineer

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Education

• Bachelor of Engineering (Electrical - 1st Class Honours), 1987.

School of Electrical Engineering, University of New South Wales, Sydney, Australia.
• Master of Engineering (Biomedical Engineering by Research), 1996.

Graduate School of Biomedical Engineering, University of New South Wales, Sydney, Australia.
Thesis: "The Effects of Ionizing Radiation on Implantable MOS devices"
Presented the world's first evidence and analysis of cosmic radiation effects on a life supporting medical application (implantable cardioverter defibrillator).
• Graduate Diploma in Biomedical Engineering (86% course average), 1996.

Graduate School of Biomedical Engineering, University of New South Wales, Sydney, Australia.
• Doctor of Philosophy (Medical Physics):

Department of Engineering Physics,  University of Wollongong, Wollongong, Australia
Thesis: "The Development of a Novel Silicon Microdosimeter for High LET Radiation Therapy"
Presented the first comprehensive investigation of the issues confronting silicon microdosimetry and its application to radiotherapy.
Reviewers concluding comments:
"..To summarize, I am sure that Peter's thesis would be readily accepted as an outstanding doctoral thesis at Harvard University, which is the razor I am using for my own evaluation, and therefore I would strongly recommend that he receive his degree with the highest honors."
Professor Robert Zamenhof, Beth Israel Deaconess Medical Center/Harvard University.
"..I must commend Mr. Bradley not only for the original work, but also for displaying an unusually comprehensive knowledge of microdosimetry and its various applications.Both Mr. Bradley and his mentor, Prof Rosenfeld, must be congratulated"
Professor Marko Zaider, Memorial Sloan Kettering Cancer Center/Colombia University

Professional experience

• ASIC mixed signal design (large System-on-Chip)
• Medical instrumentation system analysis
• IP core implementation (ARM7TDMI and Oak DSP core)
• DSP system design
• Project management with Time-to-Market emphasis.
• Consultant to Biomedical Companies

1996-2000:  Research Assistant
             Medical Radiation Physics Group, Department of Engineering Physics,  University of Wollongong.
                    Honorary Visiting Fellow,
             School of Computer Science and Engineering,University of New South Wales.

 National Health and Medical Research funded position. PhD Project entitled:
"The Development of a Novel Silicon Microdosimeter for High LET Radiation Therapy"
• Study of radiation effects on silicon and microdosimetry
• Alpha Spectroscopy, Radiation Physics Group, Department of Engineering Physics, University of Wollongong.
• Alpha and proton microbeam imaging, MicroAnalytical Research Center, Department of Physics, University of Melbourne.
• Accurate current-voltage and capacitance-voltage measurements and use of 2 MV Van Der Graff Generator, Australian Nuclear Science and Technology Organsition (ANSTO), Lucas Heights, Sydney.
• Silicon radiation damage study, exposure of devices to 24 GeV/c proton beam at CERN,  Switzerland.
• Dosimetry and charge collection experiments at the following clinical facilities
• Boron Neutron Capture Therapy (BNCT) Kyoto University Research Reactor Institute, Japan.
• Boron Neutron Capture Therapy (BNCT Medical Department, Brookhaven National Laboratory, USA.
• Boron Neutron Capture Therapy (BNCT), Laboratory for Accelerator Beam Applications, MIT
• Fast Neutron Therapy (FNT), Superconducting Cyclotron, Gershenson Radiation Oncology Center, Harper Hospital and Wayne State University.
• 250MeV Proton beam Therapy (FNT) Proton Medical Research Center, University of Tsukuba and  KEK, High Energy Accelerator Research Organization, Japan.
• 230 MeV Proton beam Therapy (PT) Northeastern Proton Therapy Center (NPTC),  Harvard University-Massachusetts General Hospital, Boston, USA.
• Modeling radiation effects on silicon and tissue
• Theoretical work performed to investigate the tissue equivalence of silicon exposed to heavy ion radiation and predict the response of a silicon microdosimeter to boron neutron capture reactions. Monte Carlo simulation program developed.
• Extensive experience using 2D and 3D semiconductor simulation tools (ISE TCAD available at Photovoltaics Special Research Center, University of New South Wales)  for modeling charge collection behavior.

An example 2D simulation animated gif (70K) is provided.
• Prototype microdosimeter built at Fujitsu Research Laboratories Ltd, Japan.


      Reliability and Statistics Consultant

• Consulting work for Keycorp, and Polartechnics: reliability and failure analysis statistics under company name "PDB Engineering Physics and Reliability Consulting"

• Low power IC design for implantable cardioverter defibrillators
• ECG sensing IC for use in interfacing the hearts ECG signal to a pacemaker.
• Switched capacitor circuits,
• Digital control (state machine design),
• Digital signal processing circuitry and microprocessor interfacing.
• VHDL Modeling of a low power microprocessor
• Modeling and prediction of cosmic ray induced soft error upset of RAM and total dose effects
• System level mitigation of radiation effects on electronics.
• Monte-Carlo modeling
• Charge collection in silicon devices
• Statistical and reliability consulting

Schlumberger is a multinational company based in Paris and New York with a substantial share of the world market in the oil field wireline and testing service industry. Employment with Schlumberger included the following assignments:

• Feb. 88 - June 88: Junior engineer whilst attending the engineer training center in Medan, Sumatra, Indonesia. First out of 15 engineers in training school.
• July 88 - Sept. 88: Promoted to Field Engineer based in Shekou, South China and working in the South China region.
• Sept. 88 - Nov. 90: Promoted to Senior Engineer based in Nagaoka (field office) and Tokyo (engineering development center), Japan.
• Nov. 90 - Apr. 92: Transferred to Perth, WA, operating projects in the North West Shelf area along with software development work whilst in Perth.
Experience:
• Responsibility for the acquisition and initial processing of geological data at a client's wellsite.
• Measurement techniques encompassed resistivity/electromagnetic methods from DC to microwave frequencies, seismic measurement and signal processing, gamma ray spectroscopy, density and porosity measurements using nuclear sources along with a variety of sonic and ultrasonic methods.
• Trouble-shooting
• Personnel and technical management
• Development of data and signal processing software (C)

• Development of signature analysis algorithms, frequency spectrum analysis
• Data acquisition design (charge amplifiers, ADC's)
• Supervision of 4th year laboratory classes.

• Software and hardware development of microprocessor based test equipment
• Optical fiber network planning

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Publication List

• "The effects of ionizing radiation on implantable medical devices",

P.D. Bradley, Masters of Engineering (by Research, biomedical engineering) Thesis, University of New South Wales, Sydney, Australia, pp 1-245, 1996
• “Charge collection and radiation hardness of a SOI microdosimeter for space and medical applications,”

P. D. Bradley, A. B. Rosenfeld, K. K. Lee, D. Jamieson, and S. Satoh,
 IEEE Trans. Nucl. Sci., vol. 45, no 6, pp. 2700-2710, 1998.
• “Single event upset in implantable cardioverter defibrillators,”

P. D. Bradley and E. Normand, IEEE Transactions on Nuclear Science (presentation at IEEE Nuclear and Space Radiation Effects conference July 20-24, 1998, Newport USA.), vol. 45, no 6, pp. 2929-2940, 1998.
• “Radiation hardness and charge collection in a SOI based diode array designed for medical microdosimetry,”

P. D. Bradley, A. B. Rosenfeld, M. Bailey, M. Reinhard, K. K. Kee, A. Saint, D. Jamieson, F. Lemeilleur, and S. Satoh, Nuc. Inst. Meth. Phys. Res., no. , In press 1998, submitted Feb 1998.
• “Tissue Equivalence Correction for Silicon Microdosimetry Detectors in Boron Neutron Capture Therapy,”

P. D. Bradley and A. B. Rosenfeld, Medical Physics, vol. 25, pp. 2220-2225, 1998.
• “Performance of silicon microdosimetry detectors in boron neutron capture therapy,”

P. D. Bradley, A. B. Rosenfeld, B. J. Allen, J. Corderre, and J. Capela, Radiat. Res., vol. 151, pp. 235-243, 1999.
• “Application of silicon diode arrays for microdosimetry in BNCT and FNT,”, P. D. Bradley, A. B. Rosenfeld, B. J. Allen, T. Kobayashi, Y. Sakurai, C.Kota, R. L. Maughan, M.Yudelev, J. Coderre, and J. Capala,  8th International Symposium on Neutron Capture Therapy for Cancer, La Jolla, USA, 14-18th Sep 1998, 1998
• "Solid State Microdosimetry",

P.D. Bradley, A.B. Rosenfeld, M. Zaider, Nuc. Inst. Meth. Phys. Res.B, Vol 184, pp. 135-157, 2001.
• "The Development of a Novel Silicon Microdosimeter for High LET Radiation Therapy",

P.D. Bradley, PhD Thesis, University of Wollongong, Wollongong, Australia, pp 1-333, 2000.

Recent Conferences

• 5th National Workshop Experimental Radiation Oncology, Sydney Australia, Nov 27 1998.

Poster: "Application of silicon diode arrays for microdosimetry in High LET Radiation Oncology"
• Engineering and the Physical Sciences in Medicine (EPSM98), Hobart, Australia, 15–19th Nov 1998.

Poster: "The Development of a Novel Silicon Microdosimeter for Radiation Oncology"
(presented by A.B. Rosenfeld on authors behalf)
• 8th International Symposium on Neutron Capture Therapy for Cancer, La Jolla USA, 14-18th Sep 1998.

Talk: "Application of silicon diode arrays for microdosimetry in BNCT and FNT"
(presented by A.B. Rosenfeld on authors behalf)
• IEEE Nuclear and Space Radiation Effects conference, Newport USA, July 20-24 1998.

Talk: "Single event upset in implantable cardioverter defibrillators"
Talk: "Charge collection and radiation hardness of a SOI microdosimeter for space and medical applications"
• Hiroshima@Melbourne Symp. on semi-conductor tracking detectors, Melbourne Australia, Nov 1997

Talk: "Radiation hardness and charge collection in a SOI based diode array designed for medical microdosimetry"
• 1st Symposium on Soft Errors, Radiation effects and Reliability in VLSI: Terrestrial Applications

NASA/SEMATECH/SRC, NASA/Goddard Space Flight Center, October 27 - 28, 1997,
Talk: "Cosmic Ray Induced Single Event Upsets in Implantable Cardioverter Defibrillators",
(presented by E.Normand (Boeing Defense and Space) on authors behalf)

Prizes

• 1998 Curie Prize, Best Postgraduate paper and presentation at the Australasian College of Physical College of Physical Scientists and Engineers in Medicine (NSW Branch).
• 2000: Best Doctoral Thesis (University of Wollongong, School of Engineering)
• Patent Pending for "Novel Silicon Microdosimeter"

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Software skills

• General Programming:
• Assembly language, C, Pascal, Fortran, Visual Basic
• Technical Programming:
• Mathematica, Matlab
• Design and simulation Tools:
• CAD tools including VHDL, PSpice, and CADENCE software under a UNIX platform,
• 2D and 3D process and device simulation (ISE TCAD). An example 2D simulation animated gif (70K) is provided.

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Referees

Dr.Bill Zealey,
Associate Professor,
Department of Engineering Physics,
University of Wollongong.
Northfields Avenue, Wollongong, NSW, 2522, Australia.
Email: Bill_Zealey@uow.edu.au
Fax. +61-2-42215944
Ph. +61-2-42213522 (W)

Dr. Bruce Milthorpe,
Associate Professor,
Center of Biomedical Engineering,
University of New South Wales.
PO Box 1, Kensington, NSW 2033, Australia.
Email: b.milthorpe@unsw.edu.au
Fax. +61-2-9663 2108
Ph. +61-2-9385 3918 (W)

Dr. Gernot Heiser,
Head of Computing School and Associate Professor,
Department of Computer Science and Engineering,
University of New South Wales.
PO Box 1, Kensington, NSW 2033, Australia.
Email: g.heiser@unsw.edu.au
Fax. +61-2-9385-5995
Ph. +61-2-9385-5156 (W)