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EP/H011366/1 - Novel Thermal Management of Power Electronic Devices: High Power High Frequency Planar Gunn Diodes

Research Perspectives grant details from EPSRC portfolio

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Professor M Kuball EP/H011366/1 - Novel Thermal Management of Power Electronic Devices: High Power High Frequency Planar Gunn Diodes

Principal Investigator - Physics, University of Bristol

Scheme

Standard Research

Research Areas

RF & Microwave Devices RF & Microwave Devices

Collaborators

Rohde and Schwarz Ltd Rohde and Schwarz Ltd

RFMD UK Ltd RFMD UK Ltd

E2V Technologies E2V Technologies

CIP Technologies CIP Technologies

Related Grants

EP/H011862/1

EP/H012532/1

EP/H012966/1

Start Date

09/2010

End Date

09/2014

Value

£280,318

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Grant Description

Summary and Description of the grant

This proposal targets the development of a compact high power planar Gunn diode suitable for Tera-Hertz (THz) imaging. THz imaging is seen as new opportunity for enhanced security screening at airports, train stations, and other security sensitive places to counter terrorist threats. To achieve high-power THz Gunn diodes, novel heat-sink technologies will need to be developed, which is the key aim of this proposal. This proposal focuses on a novel Gunn diode design, planar Gunn diodes, which enables output frequencies much higher than possible with the traditional commercially available vertical Gunn diode design. We will develop innovative integrated cooling approaches using a combination of thermoelectric (TE) and gas micro-refrigeration for planar Gunn diodes to achieve the goal of a compact and high power Gunn diode suitable as source for THz imaging. With the UK being technology industry leader on Gunn diodes (e.g. e2v technologies Ltd.), the development of compact and high-power THz Gunn diodes is of strategic importance for UK science, engineering and technology, to gain an international lead in the THz field. Developments on integrated active device cooling achieved in this work, however, will be transferable to other device systems. This is important as active cooling to remove heat from electronic and opto-electronic devices is becoming increasingly important as devices shrink in size, packing densities increase, and as higher output powers are demanded in many applications. The proposal brings together internationally leading UK groups on Gunn diodes and their design, cooling technologies, thermal characterization and device thermal management.

Structured Data / Microdata


Grant Event Details:
Name: Novel Thermal Management of Power Electronic Devices: High Power High Frequency Planar Gunn Diodes - EP/H011366/1
Start Date: 2010-09-06T00:00:00+00:00
End Date: 2014-09-05T00:00:00+00:00

Organization: University of Bristol

Description: This proposal targets the development of a compact high power planar Gunn diode suitable for Tera-Hertz (THz) imaging. THz imaging is seen as new opportunity for enhanced security screening at airports, train stations, and other security sensitive places t ...