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You searched on: Author: Colleen Hood

Displaying records 1 to 10 of 26 records.
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1. Computer-Controlled Thermal Cycling Tool to Aid in SiC Module Package Characterization
Published: 6/30/2010
Authors: Madelaine Herminia Hernandez, Jose Miguel Ortiz, Brian Joseph Grummel, Allen R Hefner Jr., David Warren Berning, Colleen E. Hood, Patrick McCluskey
Abstract: A software-controlled thermal cycling test system developed for SiC module package characterization is presented. Its interface permits the flexible definition of testing parameters like variable data acquisition rates and customizable cycle transiti ...

2. High-Voltage Capacitance Measurement System for SiC Power MOSFETs
Published: 9/24/2009
Authors: Parrish Ralston, Tam Hoang Duong, Nanying Yang, David Warren Berning, Colleen E. Hood, Allen R Hefner Jr., Kathleen Meehan
Abstract: Adequate modeling of a power MOSFET is dependent on accurate characterization of the inter-electrode capacitances. With the advent of high voltage silicon carbide (SiC) power MOSFETs, it has become important to develop a measurement system that can ...

3. Experimental Evaluation of SiC PiN Diode Forward Bias Degradation and Long Term Stability
Published: 6/21/2007
Authors: Madelaine Herminia Hernandez, Adwoa Akuffo, Colleen E. Hood, Jose Miguel Ortiz, Allen R Hefner Jr.
Abstract: New automated metric systems and procedures have been developed and introduced in order to evaluate the long stability of SiC PiN diodes, and long term stability results are presented for 10 kV SiC PiN diodes that are made using a new low degradation ...

4. Generalized Test Bed for High-Voltage, High-Power SiC Device Characterization
Published: 10/1/2006
Authors: David Warren Berning, Allen R Hefner Jr., J J. Rodriguez, Colleen E. Hood, Angel Rivera
Abstract: A generalized 25 kV test bed developed to characterize high-voltage, high-power SiC devices is described. The test bed features containment of all high voltage circuits and the device under test (DUT) within a clear plastic interlocked safety box. A ...

5. Recent Advances in High-Voltage, High-Frequency Silicon-Carbide Power Device
Published: 10/1/2006
Authors: Allen R Hefner Jr., Ryu Sei-Hyung, Hull Brett, David Warren Berning, Colleen E. Hood, Jose M. Ortiz-Rodriguez, Angel Rivera-Lopez, Tam Hoang Duong, Adwoa Akuffo, Madelaine Herminia Hernandez
Abstract: The emergence of High-Voltage, High-Frequency (HV-HF) Silicon-Carbide (SiC) power devices is expected to revolutionize commercial and military power distribution and conversion systems. The DARPA Wide Bandgap Semiconductor Technology (WBST) High Powe ...

6. Computer-Controlled Characterization of High-Voltage, High-Frequency SiC Devices
Published: 7/1/2006
Authors: Jose M. Ortiz-Rodriguez, Allen R Hefner Jr., David Warren Berning, Colleen E. Hood, S. Olcum
Abstract: Silicon carbide (SiC) power devices have begun to emerge recently with a performance that is superior to that of silicon power devices. Therefore, the push to higher power and higher voltage applications also comes with it. This work addresses the ne ...

7. Microhotplate-Based Sensor Platform for Submicron SoC Designs
Published: 12/9/2005
Authors: Muhammad Yaqub Afridi, Allen R Hefner Jr., Jon C Geist, Colleen E. Hood, Ankush Varma, Bruce Jacob

8. Characterization System for Embedded Gas Sensor Systems-on-a-Chip
Published: 12/1/2005
Authors: Muhammad Yaqub Afridi, Allen R Hefner Jr., Colleen E. Hood, Richard E Cavicchi, Stephen Semancik
Abstract: A characterization system is presented for evaluating critical functions of a microhotplate-based embedded gas-sensor for system-on-a-chip applications. The system uses a virtual instrument interface to control parts-per-billion (ppb) gas concentrati ...

9. Metrology for High-Voltage, High-Speed Silicon-Carbide Power Devices
Published: 4/4/2005
Authors: Allen R Hefner Jr., David Warren Berning, Colleen E. Hood
Abstract: Performance metrics and test instrumentation needs for emerging high-voltage, high-speed SiC power devices are described. Unique power device and package thermal measurement test systems and parameter extraction methods are introduced, and applied to ...

10. Mems-Based Embedded Sensor Virtual Components for SOC
Published: 6/24/2004
Authors: Muhammad Yaqub Afridi, Allen R Hefner Jr., David Warren Berning, Colleen E. Hood, Ankush Varma, Bruce Jacob, Stephen Semancik
Abstract: The design and implementation of a monolithic MEMS-based (Micro Electro Mechanical Systems) gas sensor virtual component is described. A bulk micromachining technique is used to create suspended microhotplate structures. The thermal properties of the ...

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  • SP 250-XX: Calibration Services
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