A Novel Approach to Packaging High-Power and High-Temperature SiC Modules for Double-sided Cooling

Award Information
Agency: Department of Defense
Branch: Air Force
Contract: FA8650-08-C-2813
Agency Tracking Number: O063-EP7-1282
Amount: $750,000.00
Phase: Phase II
Program: SBIR
Awards Year: 2007
Solicitation Year: 2006
Solicitation Topic Code: OSD06-EP7
Solicitation Number: 2006.3
Small Business Information
New Brunswick Technology Center, 100 Jersey Ave.Building A, New Brunswick, NJ, 08901
DUNS: 042068101
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Leonid Fursin
 Director of Technology
 (732) 565-9500
Business Contact
 Maurice Weiner
Title: VIce President
Phone: (732) 565-9500
Email: uscweiner@unitedsic.com
Research Institution
In response to OSD/AF SBIR Topic No. OSD06-EP7, we propose to develop a novel and simple approach to packaging high-temperature and high-power SiC modules. The approach, simple to implement and suitable for auto-processing, is proposed to address the problems of (i) the mechanical stress induced degradations such as peeling, cracking, voiding and fracturing due to mismatch of material coefficients of thermal expansion(CTE), (ii) the package material degradation due to operation under high and wide temperature and oxidizing conditions, (iii) the metallurgical incompatibility and interconnect thermal cycling degradation, (iv) the high thermal impedance between device junction and module baseplate, and (v) the parasitic impedance for high frequency operation targeting ultimately up to 250kHz. Double-sided cooling along with hermetical sealing is proposed to achieve the ultimate performance capability of SiC power modules under high and wide temperature conditions. Based on the demonstration of the feasibility of the proposed concept through computer modeling and simulations and through experiments in Phase I, Phase II will carry out the major R&D work b to develop high power half-bridge phase legs and thin co-packs modules up to 300A for 300C operations. Privately funded Phase III will address auto-processing issues for wide-spread commercialization of the SiC power modules.

* information listed above is at the time of submission.

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