View all newsletters
Receive our newsletter - data, insights and analysis delivered to you
  1. Technology
March 16, 1987


By CBR Staff Writer

GTE Laboratories in Waltham, Massachusetts are celebrating a claimed breakthough in Gallium Arsenide materials research that is said to bring development of the next generation of ultra high-speed electronic devices a giant step closer to practical production. GTE scientists at the labs say they have produced extremely pure Gallium Arsenide films using a method they reckon is adaptable to commercial production, and that the films displayed the highest purity ever reported for such material fabricated using the technique. Gallium Arsenide’s inherent properties are such that by controlling the thickness and composition of extremely thin layers of the material, scientists can create a new generation of high-speed electronic devices. The process through which GTE scientists achieved their purity is known as Metalorganic Vapour Phase Epitaxy, or MOVPE. The GTE films were found to contain as little as one impurity atom for every 10,000m Gallium or Arsenic atoms. As a result, the Gallium Arsenide films exhibited a peak electron mobility nearly twice that previously achieved through this fabrication technique. Mobility represents the speed at which electrons travel in a material under the influence of an electric field. In 1984, GTE Labs became the first research facility in the US to harness MOVPE technology to create one of the fastest electronic devices known to the semiconductor industry, the High Electron Mobility Transistor or HEMT. While silicon transistors switch information in nanoseconds, HEMT devices have recorded speeds 10 to 50 times faster.

Websites in our network
Select and enter your corporate email address Tech Monitor's research, insight and analysis examines the frontiers of digital transformation to help tech leaders navigate the future. Our Changelog newsletter delivers our best work to your inbox every week.
  • CIO
  • CTO
  • CISO
  • CSO
  • CFO
  • CDO
  • CEO
  • Architect Founder
  • MD
  • Director
  • Manager
  • Other
Visit our privacy policy for more information about our services, how New Statesman Media Group may use, process and share your personal data, including information on your rights in respect of your personal data and how you can unsubscribe from future marketing communications. Our services are intended for corporate subscribers and you warrant that the email address submitted is your corporate email address.