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 Expert  725326

Expert in Semiconductor Packaging and Assembly, Systems Engineering, and Materials Science.

Available for your Consulting and Expert Witness Needs

California (CA)
Education Work History Career AccomplishmentsPublicationsConsulting Services Expert Witness Market Research

Summary of Expertise:

Listed with other top experts in: 

Expert has designed a digital press having the lithographic performance of photo gravure, but able to stream continuous data for variable printing. The performance includes 2400 dpi resolution, 200 fpm web speed, and 48-inch wide print dimension. The press has no optical elements such as the lasers and photo-conductive drums used in electrophotographic processes. The design employs voltage traveling waves that image toner, one particle at a time, using chemical dry toner (polymerized toner) having a spherical shape. The design leverages integrated circuit driver chips mounted on a writing head, and there are over 100,000 independent micro print engines operating in parallel.

digital printing

Expert has designed a new methodology for solder-free electronic packaging and assembly, for integrating multiple semiconductor components into 3D electronic systems or modules or subsystems. The modules can include stacked chips, including new methods for testing the miniaturized assembly, as well as new cooling methods involving chilled water circulating in copper cooling channels. The methodology is supported by several issued patents and over 20 additional patents in progress.

electronic packaging technology



Expert learned the art of patent writing from the late Aldo Test, an icon in Silicon Valley patent history. He has authored over 30 patents, and recently sold a small group of patents to a large Asian manufacturer for $150,000. He has developed a methodology for leveraging provisional patents as a means to test marketability, thereby controlling costs of large patent portfolios.

legal patenting

Expert has invented a novel structure for an improved low-k dielectric material for semiconductor wafer manufacture. By performing an extra mask step, a dielectric constant of 1.9 is achievable in 2008. The International Technology Road Map for Semiconductors (ITRS) has indicated a critical need for such low-k dielectric materials, and this design could provide a supporting solution out to 2015. The novel structure includes a binary combination of existing materials, and overcomes the limitations of each.

material product development

Expert has invented two different types of flip chip connectors. The first is a pillar-in-well connector that can support 80 micron pitch, in assemblies that can be easily tested and reworked. This connector can provide almost zero insertion force, by providing a liquid conductive ink in the wells; this solution can be leveraged for wafer level testing of microprocessors for example, having over 350,000 simultaneous probe points on a 300 mm wafer. The second flip chip connector supports solder-free assembly, and utilizes an elastic columnar element. Expert has consistently emphasized the fundamental performance of rework, for locating and replacing defective chips in a complex assembly.

semiconductor assembly engineering

Expert has invented a novel approach for cooling semiconductor assemblies, particularly for servers, supercomputers, and data centers. He has described a stacked architecture having integrated cooling channels; the channels are formed using copper substrates employing well known and trusted methods. By providing 5 liters/min of chilled water, 20,000 W of heat can be extracted. Peak junction temperatures can be held to 40 degrees Centigrade for example, for improved reliability and increased transistor speed.

semiconductor device thermal management

Expert has invented a new form of Built In Self Test (BIST) for the system level. By providing a socketed FPGA test chip in the integrated assembly, functional testing at the system level can be accomplished at full speed and full power. The result can be superior to functional testing performed by million dollar testers, yet can be performed at low cost. The test chip accepts streaming data from the system bus, and can detect any deviation during a full work out of the system.


Show Secondary and Basic Areas of Expertise
Expert may consult nationally and internationally, and is also local to the following cities: San Jose, California;  San Francisco, California;  Sacramento, California;  Oakland, California;  Stockton, California;  Fremont, California;  Modesto, California;  Salinas, California;  Santa Rosa, California;  and Hayward, California.

Year   Degree   Subject   Institution  
1972   EE (doctorate level)   Device Physics & Materials Science   Northeastern University  
1970   MSEE   Electrical Engineering   Northeastern University  
1967   BE   Electrical Engineering   Auckland University, New Zealand  

Work History:
Years   Employer   Title   Responsibilities

2001 to






Expert is an expert witness and consultant, specializing in semiconductor packaging, assembly and test, and systems engineering.

2007 to




Vice President


Expert is developing new technology for electrostatic motors and generators.

1997 to 2001


The Expert Group, LLC




Expert invented solid state printing using electrostatic processes. He led a development group comprising a core team of system engineers, plus multiple consultants and suppliers.

Career Accomplishments:

IEEE CNSV; IEEE CPMT; Inventor's Alliance; SVEWG; Meptec; RTG.


He won "Best of Conference" award at International Wafer Level Packaging Congress, San Jose, California, 2005.

Publications and Patents Summary

He has 13 issued patents and over 20 additional patents in progress. He has presented 6 technical papers or presentations since 2005.

Selected Publications and Publishers  
 - International Wafer Level Packaging Conference  
 - KGD Packaging and Test Workshop  
 - IPC Printed Circuits Expo  

Government Experience:
Years   Agency   Role   Description
2006 to 2006   SBIR   Principle Investigator   Developed design for electrostatic motor applied to confined area drilling.

Consulting Services:
Selected Consulting Examples:
  • He assisted attorneys at Lowrey, LLP in an international patent litigation case involving companies in the United States, Europe, and Korea. He analyzed over 100 patents, creating claim charts for each one. He performed tear downs and testing on a television set, a computer monitor, and multiple OEM displays.
  • For ESL, a subsidiary of TRW, he performed systems engineering services on the Trailblazer program, a ground-based reconnaissance system involving signal intercept and direction finding.
Click the green button above to contact Expert for a free initial screening call regarding your expert consulting needs.  Expert is available for consulting to corporate, legal and government clients.  Remember, your initial screening call to speak with Expert is free.

Expert Witness:
Expert Witness Experience Summary:
He provided expert consulting to Howrey, LLP in a major LCD display case involving companies in the United States, Europe, and Korea. He reviewed a portfolio of over 100 patents, and prepared a claim chart for each. He performed tear-downs and testing on a television set, a computer monitor, and several OEM displays.
Click the green button above to contact Expert for a free initial screening call regarding expert testimony, litigation consulting and support, forensic services, or any related expert witness services.  A few litigation needs include product liability, personal injury, economic loss, intellectual property (patent, trademark, trade secret, copyright), and insurance matters.  Remember, your initial screening call to speak with Expert is free.

International Experience:
Years   Country / Region   Summary
1966 to 1967   New Zealand   He performed as Assistant Electrical Engineer to the Tauranga Municipal Electricity Department.

Market Research:
His systems engineering experience at defense and commercial companies has proven to be useful in patent litigation cases. It enables him to see "the big picture", including technical aspects, business aspects, and even aspects relating to the personalities involved.

Click the green button above to contact Expert for a free initial screening call regarding your marketing research, industry research, and company research needs.  For research needs involving multiple experts or secondary research, a Research Director can be assigned to coordinate the work into a custom report for you as a potentially quicker and more cost effective alternative to doing this work yourself or hiring a boutique consultancy.  Remember, your initial screening call to speak with Expert is free.

Additional Skills and Services:
Other Skills and Services

As an author of over 30 patents, he understands the inventor's point of view.

Electrical engineering, semiconductor packaging, systems engineering, materials science, flip chip, connector, assembly, test methodology, rework, cooling method, process, socket, interposer, high speed functional test, built in self test (BIST), high voltage, electrostatic printer, electrostatic motor, generator, digital printing press, energy efficient, reconnaissance, military systems, aerospace, defense, technology, patent, prosecution, expert witness, litigation, testimony, deposition, reports, oral, written, intellectual property, patent, evaluation, valuation, writing, solder-free, integration, copper substrate, cooling channel, miniaturized assembly, print head, thermal printer, integrated circuit, wafer, panel, module, inventor, repairable, maintainable, stacked, server, data center, consultant, hybrid, component, coulomb force, electronic charge, imaging, hard copy, prototype, proof-of-concept, reference design, specification, requirement, analysis, flow-down, tracking, concept of operation, invention, creativity, novel, idea, conception, torque, power, compact, power-to-weight, energy density, flux, dielectric, Gaussian surface, tear-down, variable printing, binary material, composite


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