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 Expert  108119

Expert in Compound Semiconductors, Pure Metals


Available for your Consulting and Expert Witness Needs

Canada
Education Work History Career AccomplishmentsPublicationsConsulting Services Expert Witness

Summary of Expertise: Listed with other top experts in: 
SEMICONDUCTOR TECHNOLOGY; BRIDGMAN TECHNIQUE; CZOCHRALSKI PROCESS. Expert has 25 years of experience in the growth, characterization, and fabrication (to wafers, etc.) of the infrared sensitive compound semiconductors, including InSb, GaSb, InAs, CdTe, HgTe, and (Cd-Hg)Te. He presently is focusing primarily on InSb and GaSb. His expertise also includes Czochralski and Bridgeman crystal growth, epitaxial growth, X-ray crystallography, semiconductor cutting, lapping, polishing, etching, and electrical measurements.

INDIUM ANTIMONIDE; GALLIUM ANTIMONIDE. Expert has 32 years experience growing and processing these binary compound semiconductors sensitive to infrared radiation.

BINARY AND TERNARY COMPOUND SEMICONDUCTORS; THERMOELECTRIC MATERIALS; II-VI SEMICONDUCTOR MATERIAL. Expert has extensive experience in working with II-VI and III-V binary and ternary compound semiconductors, as well as thermoelectric materials. He is familiar with many facets of their growth, melting, doping, fabrication (including orientation control, cutting, and polishing), and characterization.

ELECTRONIC MATERIALS PROCESSING. Expert has expertise in electronic materials, especially with the processing of materials for electronic applications. He is proficient with many pure metals (5/9 - 8/9+), and is skilled with the related aspects of purification technology, material handling, and purity verification. His experience includes zone melting, electrolytic refining, pyrometallurgy, distillation, and sublimation.

HIGH PURITY METALS. Expert has over 30 years of experience in the ultra-refining of metals (Al, As, Bi, Cd, Ga, Au, In, Hg, Se, Ag, Sn, Te, Zn) by pyrometallurgy, distillation, zone-refining, electrolysis, and gas and vacuum treatment. He is also familiar with most means of characterizing metals, including emission, mass spectroscopy and GDMS, SIMS analysis, and cryogenic resistivity measurements.

ELECTRONIC MATERIALS BUSINESS OPERATIONS. Expert is well-versed in electronic materials business operations. He is very knowledgeable regarding process design, production facilities and troubleshooting, manpower considerations, and personal computer applications.

NEGATIVE-TYPE SEMICONDUCTOR MATERIAL; DOPED SEMICONDUCTOR. Expert has 32 years experience in doping of compound semiconductors including dopant choice, efficiency/activation, segregation, and compensation.

POSITIVE-TYPE SEMICONDUCTOR MATERIAL. Expert has 32 years experience in doping of compound semiconductors including dopant choice, efficiency/activation, segregation, compensation, and high-resistivity of narrow-gap materials.

SEMICONDUCTOR PROPERTY. Specializing in narrow-gap compound semiconductors; Expert is experienced in electrical measurements, IR response, and physical characterization.

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binary semiconductor material

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Bridgman technique

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Czochralski process

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doped semiconductor

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doping agent

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electronic material processing

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high-purity aluminum

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high-purity arsenic

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high-purity bismuth

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high-purity cadmium

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high-purity gallium

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high-purity indium

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high-purity mercury

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high-purity metal

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high-purity selenium

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high-purity silver

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high-purity tellurium

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high-purity tin

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high-purity zinc

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II-VI semiconductor material

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negative-type semiconductor material

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positive-type semiconductor material

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semiconductor doping

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semiconductor material

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semiconductor material property

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semiconductor technology

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semiconductor wafer

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ternary semiconductor material

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crystal growth

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crystal polishing

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III-V semiconductor material

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indium compound

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metal distillation

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semiconductor wafer cleaning

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semiconductor wafer etching

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semiconductor wafer lapping

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semiconductor wafer polishing

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tellurium

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X-ray diffraction

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zone refining

Expert has ten years of hands-on experience in the purification of many metals to purities of 99.999% (5N) through 99.99999 (7N) purity. These include Aluminum, Arsenic, Antimony, Bismuth, Cadmium, Copper, Mercury, Tin, Silver, Thallium, Zinc and Gold. Processes included pyrometallurgy, electrolysis, distillation, sublimation and zone refining. Equipment was designed to provide plant capcity sufficient to supply 50% of the World requirements for those metals.
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antimony

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cadmium

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high-purity material

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indium antimony


Show Secondary and Basic Areas of Expertise

Often requested
with this expert:

Thin Film Deposition, Chemical Mechanical Polishing,...
Semiconductor Quality Control
Semiconductor Technology
Semiconductor Processing and Equipment

Education:
Year   Degree   Subject   Institution   Honors
1984   Diploma in Advanced Management   Banff School of Advanced Management    
1966   BASc   Engineering Physics (Metallurgy and Materials Science)   University of Toronto   Honours

Work History:
Years   Employer   Department   Title   Responsibilities

1991 to

 

(Undisclosed)

 


 

President/CSO

 

Founded firm 1991. Major supplier of InSb & GaSb; 6N & 7N In and Sb All, non-operations matters including planning, finance, Chief Scientist.

1990 to 2001

 


 


 

Independent Consultant

 

Offer independent consultancy in high purity metals and compound semiconductor production.

1989 to 1990

 

Johnson Matthey Electronics

 

Administrative and Technical Services

 

Manager

 


1984 to 1989

 

Cominco Limited

 

Electronic Materials Division

 

Program Manager, Infrared Materials

 

Responsible for 50-person plant producing infrared-sensitive compounds semiconductors.

1981 to 1984

 

Cominco Limited

 

Electronic Materials Division

 

Senior Production Engineer

 


1967 to 1981

 

Cominco Limited

 

Electronic Materials Division

 

Research Engineer (LOA 1971-72)

 

High purity metals R&D, subsequently production.


Career Accomplishments:
Associations/Societies

Expert is a member of the Association of Professional Engineers of British Columbia. He was the Canadian representative to the NATO CMT evaluation exchange, and has "Secret" security clearance.

Licenses/Certifications

Professional Engineer since 1971.

Professional Appointments

President & CSO of Expert's Firm


Publications:
Publications and Patents Summary

He is the author of five technical publications. He holds one Canadian and two U.S. patents.

Selected Publications and Publishers  
 - Kluwer Academic Publishers  
 - Semiconductors and Semimetals (Chapter)  
 - John Wiley & Sons  

Consulting Services:
Recent Client Requests:
  • Refractory metal expert for consulting on refractory metal issues.
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:
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
1992 to 1993   South Africa/Pretoria   He assisted in the stablishment of CdHgTe production at a Pretoria site.
1990 to 1991   Canada/Montreal   He assisted a major Canadian firm establish high-purity metals production.

Language Skills:
Foreign Language   Description
French   Expert is fluent in French
German   He is semi-fluent in German
Spanish   He speaks conversational Spanish

Additional Skills and Services:
Supplier and Vendor Location and Selection

Expert has experience locating vendors of: * Compound semiconductors * Pure metals * Quartz * Graphite * Pure chemicals * Contract analytical work * Surplus processing equipment * Semiconductor process chemicals * Polish abrasives.

He has access to the following resources: * Printed materials * Contacts * Extensive literature database on III-V materials processing.


 

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