SBIR/STTR Research Award

CVD Diamond for SAW Devices

Award identifier 16eb9bb98978a8d40c01b8cd2f1f981d2d2a023e33b36472c218369658e35181Awarding agency Department of Defense · Missile Defense Agency

Award amount

$60,000

Program and phase

SBIR · Phase I

Award year

1997

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Award details

Awarding agency
Department of Defense
Branch
Missile Defense Agency
Recipient company
Crystallume/edi
Proposal award date
Not reported
Contract end date
Not reported
UEI
Not reported
Solicitation number
Not reported
Topic code
Not reported

Research abstract

CVD diamond will be explored for high frequency bandpass filters in Phase I by producing an ultra-smooth diamond coating over an 8in. diamond silicon wafer. Current materials limit the frequency response of SAW devices requiring the use of a substrate with higher sonic velocity. Diamond has the highest known value enabling higher frequency (greater than 3GHz) devices to be obtained using an aluminum interdigital structure and an overlay of a piezoelectric material (e.g. ZnO) for electromechanical coupling. Prototype bandpass filters will be fabricated in Phase II. Applications for this technology are numerous since it provides ruggedized components for military and commercial (mobile) etzmunications. The most immediate use of this technology is RF bandpass filters for ruggedized military (satellite) communications, and the emerging commercial mobile communications market.

Technology keywords

Not reported

Agency intelligence

Department of Defense

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