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You searched on: Author: allen hefner jr

Displaying records 11 to 20 of 146 records.
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11. Reliability Study of Au-In Transient Liquid Phase Bonding for SiC Power Semiconductor Devices
Published: 5/24/2011
Authors: Brian Joseph Grummel, Habib A Mustain, Z. John Shen, Allen R Hefner Jr.
Abstract: Transient Liquid Phase (TLP) bonding is a promising technique for SiC and other wide-bandgap power semiconductor device die-attach and high temperature packaging. TLP bonding advances modern solder technology by raising the solder melting point to ov ...

12. Development, Performance and Applications of 4.5 kV SiC JBS Diodes
Published: 3/22/2011
Author: Allen R Hefner Jr.

13. Comparison of 4.5 kV SiC JBS and Si PiN Diodes for 4.5 kV Si IGBT Anti-parallel Diode Applications
Published: 3/10/2011
Authors: Tam Hoang Duong, Allen R Hefner Jr., Karl Hobart, Sei-Hyung Ryu, David Grider, David Warren Berning, Jose Miguel Ortiz, Eugene Imhoff, Jerry Sherbondy
Abstract: A new 60 A, 4.5 kV SiC JBS diode is presented and its performance is compared to Si PiN diodes used as the anti-parallel diode for 4.5 kV Si IGBTs. The current-voltage, capacitance-voltage, reverse recovery, and reverse leakage characteristics of bot ...

14. Electro-thermal-mechanical Simulation and Reliability for Plug-in Vehicle Converters and Inverters
Published: 2/24/2011
Author: Allen R Hefner Jr.

15. Status of Electric Power Research Institute / Sandia National Lab Photovoltaic-Storage Inverter Communication Project
Published: 2/9/2011
Author: Allen R Hefner Jr.

16. Coordination and Acceleration of Standards for Smart Grid - Distributed Generation
Published: 12/6/2010
Author: Allen R Hefner Jr.

17. Status of Interagency Advanced Power Group (IAPG), Electrical Systems Working Group (ESWG)
Published: 12/1/2010
Author: Allen R Hefner Jr.

18. Power Electronics and Standards for Smart Grid Integration of Generators, Storage, and Plug-in Electric Vehicles
Published: 11/23/2010
Author: Allen R Hefner Jr.

19. Smart Grid Standards, Codes and Interoperability Framework
Published: 10/27/2010
Author: Allen R Hefner Jr.

20. Smart Grid Integration of Renewables, Storage, and Plug-in Vehicles
Published: 10/6/2010
Author: Allen R Hefner Jr.

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  • SP 250-XX: Calibration Services
  • SP 260-XX: Standard Reference Materials
  • SP 300-XX: Precision Measurement and Calibration
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