Improved electrodes for low-loss radio frequency devices

Award Information
Agency: Department of Defense
Branch: Defense Advanced Research Projects Agency
Contract: W911NF-09-C-0132
Agency Tracking Number: A09A-015-0235
Amount: $99,970.00
Phase: Phase I
Program: STTR
Awards Year: 2009
Solicitation Year: 2009
Solicitation Topic Code: A09A-T015
Solicitation Number: 2009.A
Small Business Information
93 Castilian Drive, Santa Barbara, CA, 93117
DUNS: 081542636
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Chris Elsass
 VP of Research
 (805) 968-5159
Business Contact
 Thomas Watson
Title: VP Sales
Phone: (805) 968-5159
Research Institution
 UC Santa Barbara
 Susanne Stemmer
 Research Department
Materials Science
Santa Barbara, CA, 93106
 (805) 893-6128
 Nonprofit college or university
Understanding and minimizing RF loss in tunable components is key to the successful integration of this technology in high performance wireless devices. Filter applications, in particular, fundamentally require extremely low loss to operate efficiently. Agile’s high-frequency tunable filter development efforts using BST have found that loss due to surface or series resistance (Rs) is a significant limitation. Both Rs and the device quality factor (Q), another common metric for RF loss, can be strongly affected by electrode materials, the electrode/oxide interfaces, and the thickness and geometry of the electrodes. This proposal aims at investigating RF loss mechanisms specifically in BST-based devices which are being developed at Agile for commercial and DoD wireless applications.

* Information listed above is at the time of submission. *

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