Keith Rogers - IEEE Xplore Author Profile
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Keith Rogers

Also published under: K. Rogers

Publications
2
Citations
13
Publications by Year
19992006
Co-Authors:
Image of author Keith Rogers

Keith Rogers

Also published under: K. Rogers

Affiliation

CALCE Electronic Products and Systems Center
Department of Mechanical Engineering
University of Maryland, College Park, MD, USA

Publication Topics

Biography

Keith Rogers (M'95) received the Ph.D. degree in mechanical engineering from the University of Maryland, College Park.,He is the Director of the Test Services and Failure Analysis (TSFA) Laboratory, CALCE Electronic Products and Systems Center, University of Maryland. He has over 10 years of experience working on material characterization and failure analysis, specializing in electronic packaging. He joined the CALCE Center in 1994. He has taught classes on how to perform failure analyses and has authored and co-authored many articles for various trade magazines and technical journals.,Dr. Rogers has made presentations at IEEE, SMTA, AEC, and IMAPS Conferences.(Based on document published on 30 November 2006).
Publications
2
Citations
13
Publications by Year
19992006
Co-Authors:
Author's Published Works

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Textured Solar Arrays for Enhanced Low-Angle Light Collection on High-Altitude Pseudo-Satellites

Robert McCarthy;Chris Youtsey;Ray Chan;Ian Witting;Paul Stevens;Steve Tate;Noren Pan

2024 IEEE 52nd Photovoltaic Specialist Conference (PVSC)
Year: 2024 | Conference Paper |
High Altitude Pseudo-Satellites (HAPS) are fixed wing, heavier-than-air solar electric aircraft that operate continuously for multiple months in the stratosphere. They are energy selfsufficient, highly automated, low signature, with low vulnerability to attack. MicroLink Devices’ inverted metamorphic (IMM) multijunction epitaxial lift-off (ELO) solar cell technology is the basis for advanced thin-...Show More

Textured Solar Arrays for Enhanced Low-Angle Light Collection on High-Altitude Pseudo-Satellites

Robert McCarthy;Chris Youtsey;Ray Chan;Ian Witting;Paul Stevens;Steve Tate;Noren Pan

Year: 2024 | Conference Paper |

Highly Flexible Solar Sheets With High Specific Power for Stratospheric Flight Applications

Martin Drees;Christopher L. Stender;Ray Chan;Mark Osowski;Noren Pan

2020 47th IEEE Photovoltaic Specialists Conference (PVSC)
Year: 2020 | Conference Paper |
Cited by: Papers (3)
MicroLink has developed highly flexible solar sheets that exhibit high specific power and are suitable for stratospheric flight applications. Here we present reliability test data as well as actual stratospheric flight data of these solar sheets. Data from the 24-hour high-altitude balloon flight that was performed in September 2019 out of Baltic, SD at an altitude of 19km showed peak power output...Show More

Highly Flexible Solar Sheets With High Specific Power for Stratospheric Flight Applications

Martin Drees;Christopher L. Stender;Ray Chan;Mark Osowski;Noren Pan

Year: 2020 | Conference Paper |

Screen Printed Silver Contacts on III-V Bulk Pseudomorphic and Lifted Off Thin Film Foils for High Volume Low Cost Solar Cell Manufacturing

David R. Rowell;Joshua D Wood;Christopher L. Stender;Ray Chan;Andree Wibowo;Mark Osowski;Noren Pan

2020 47th IEEE Photovoltaic Specialists Conference (PVSC)
Year: 2020 | Conference Paper |
Cited by: Papers (1)
MicroLink Devices has deposited screen printed silver contacts on bulk pseudomorphic InGaAs and for the first time on epitaxial thin film foils. MicroLink has achieved contact resistances of 1E-6 Ohms·cm-2 on bulk InGaAs, and 4E-2 Ohms·cm-2 on solar cell foils. Ink formulations with tin are also explored. This work shows an alternative, low-cost, and high-throughput method for contacting III-V sol...Show More

Screen Printed Silver Contacts on III-V Bulk Pseudomorphic and Lifted Off Thin Film Foils for High Volume Low Cost Solar Cell Manufacturing

David R. Rowell;Joshua D Wood;Christopher L. Stender;Ray Chan;Andree Wibowo;Mark Osowski;Noren Pan

Year: 2020 | Conference Paper |

High-Efficiency, Lightweight, Flexible Solar Sheets with Very High Specific Power for Solar Flight

R. Chan;M. Osowski;A. Wibowo;D. Cardwell;A. Kirk;C. Stender;F. Tuminello;M. Drees;N. Pan

2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC) (A Joint Conference of 45th IEEE PVSC, 28th PVSEC & 34th EU PVSEC)
Year: 2018 | Conference Paper |
Cited by: Papers (2)
MicroLink Devices has developed a solar sheet technology with very high specific power for specific use on solar aircraft. These solar sheets have specific powers in excess of 1500 W/kg (AM0) which is an enabling technology for solarpowered unmanned aircraft that require maximum power generation in a format of minimum weight. This was achieved by maximizing the solar power generated by the solar s...Show More

High-Efficiency, Lightweight, Flexible Solar Sheets with Very High Specific Power for Solar Flight

R. Chan;M. Osowski;A. Wibowo;D. Cardwell;A. Kirk;C. Stender;F. Tuminello;M. Drees;N. Pan

Year: 2018 | Conference Paper |

Very High Specific Power ELO Solar Cells (>3 kW/kg) for UAV, Space, and Portable Power Applications

D. Cardwell;A. Kirk;C. Stender;A. Wibowo;F. Tuminello;M. Drees;R. Chan;M. Osowski;N. Pan

2017 IEEE 44th Photovoltaic Specialist Conference (PVSC)
Year: 2017 | Conference Paper |
Cited by: Papers (21)
MicroLink Devices has developed triple-junction (3J) GaInP/GaAs/GaInAs epitaxial lift-off (ELO) 20 cm2 solar cells achieving >3 kW/kg specific power and >30% AM0 (>34% AM1.5G) 1-Sun power conversion efficiency. These cells were manufactured using volume mass-production tools and processes. Preliminary reliability testing of bare cells and laminated arrays showed no appreciable degradation.Show More

Very High Specific Power ELO Solar Cells (>3 kW/kg) for UAV, Space, and Portable Power Applications

D. Cardwell;A. Kirk;C. Stender;A. Wibowo;F. Tuminello;M. Drees;R. Chan;M. Osowski;N. Pan

Year: 2017 | Conference Paper |

High efficiency flexible triple junction solar panels

David Scheiman;Phillip Jenkins;Robert Walters;Kelly Trautz;Raymond Hoheisel;Rao Tatavarti;Ray Chan;Haruki Miyamoto;Jessica Adams;Victor Elarde;Christopher Stender;Alexander Hains;Claiborne McPheeters;Chris Youtsey;Noren Pan;Mark Osowski

2014 IEEE 40th Photovoltaic Specialist Conference (PVSC)
Year: 2014 | Conference Paper |
Cited by: Papers (11)
The Marines have increasing battery needs as fighting technology puts higher demands on the power they use. In an effort to offset this demand, the marines are investigating alternative energy sources, one being solar power. Mobile photovoltaics (PV) are a technology that can address these needs by leveraging flexible high efficiency III–V photovoltaic technology. The development of a lightweight,...Show More

High efficiency flexible triple junction solar panels

David Scheiman;Phillip Jenkins;Robert Walters;Kelly Trautz;Raymond Hoheisel;Rao Tatavarti;Ray Chan;Haruki Miyamoto;Jessica Adams;Victor Elarde;Christopher Stender;Alexander Hains;Claiborne McPheeters;Chris Youtsey;Noren Pan;Mark Osowski

Year: 2014 | Conference Paper |

High efficiency flexible solar panels

Kelly Trautz;Phillip Jenkins;Robert Walters;David Scheiman;Raymond Hoheisel;Rao Tatavarti;Ray Chan;Haruki Miyamoto;Jessica Adams;Victor Elarde;Christopher Stender;Alexander Hains;Claiborne McPheeters;Chris Youtsey;Noren Pan;Mark Osowski

2013 IEEE 39th Photovoltaic Specialists Conference (PVSC)
Year: 2013 | Conference Paper |
Cited by: Papers (5) | Patents (1)
The military's need to reduce both fuel and battery resupply is a real time requirement for increasing combat effectiveness and decreasing vulnerability. Mobile photovoltaics (PV) are a technology that can address these needs by leveraging emerging, flexible space photovoltaic technology. In this ongoing project, the development and production of a semi-rigid, lightweight, efficient solar blanket ...Show More

High efficiency flexible solar panels

Kelly Trautz;Phillip Jenkins;Robert Walters;David Scheiman;Raymond Hoheisel;Rao Tatavarti;Ray Chan;Haruki Miyamoto;Jessica Adams;Victor Elarde;Christopher Stender;Alexander Hains;Claiborne McPheeters;Chris Youtsey;Noren Pan;Mark Osowski

Year: 2013 | Conference Paper |

Mobile Solar Power

Kelly M. Trautz;Phillip P. Jenkins;Robert J. Walters;David Scheiman;Raymond Hoheisel;Rao Tatavarti;Ray Chan;Haruki Miyamoto;Jessica G. J. Adams;Victor C. Elarde;James Grimsley

IEEE Journal of Photovoltaics
Year: 2013 | Volume: 3, Issue: 1 | Journal Article |
Cited by: Papers (22)
The military's need to reduce both fuel and battery resupply is a real-time requirement for increasing combat effectiveness and decreasing vulnerability. Mobile photovoltaics (PV) is a technology that can address these needs by leveraging emerging, flexible space PV technology. In this project, the development and production of a semirigid, lightweight, efficient solar blanket with the ability to ...Show More

Mobile Solar Power

Kelly M. Trautz;Phillip P. Jenkins;Robert J. Walters;David Scheiman;Raymond Hoheisel;Rao Tatavarti;Ray Chan;Haruki Miyamoto;Jessica G. J. Adams;Victor C. Elarde;James Grimsley

Year: 2013 | Volume: 3, Issue: 1 | Journal Article |

Mobile Solar Power

Kelly M. Trautz;Phillip P. Jenkins;Robert J. Walters;David Scheiman;Raymond Hoheisel;Rao Tatavarti;Ray Chan;Haruki Miyamoto;Jessica G. J. Adams;Victor C. Elarde;James Grimsley

2012 IEEE 38th Photovoltaic Specialists Conference (PVSC) PART 2
Year: 2012 | Conference Paper |
Cited by: Papers (2)
The military's need to reduce both fuel and battery resupply is a real-time requirement for increasing combat effectiveness and decreasing vulnerability. Mobile photovoltaics (PV) is a technology that can address these needs by leveraging emerging, flexible space PV technology. In this project, the development and production of a semirigid, lightweight, efficient solar blanket with the ability to ...Show More

Mobile Solar Power

Kelly M. Trautz;Phillip P. Jenkins;Robert J. Walters;David Scheiman;Raymond Hoheisel;Rao Tatavarti;Ray Chan;Haruki Miyamoto;Jessica G. J. Adams;Victor C. Elarde;James Grimsley

Year: 2012 | Conference Paper |

Large-area, epitaxial lift-off, inverted metamorphic solar cells

R. Tatavarti;A. Wibowo;V. Elarde;F. Tuminello;R. Pastor;T. Giannopoulos;M. Osowski;R. Chan;C. Youtsey;G. Hillier;N. Pan

2011 37th IEEE Photovoltaic Specialists Conference
Year: 2011 | Conference Paper |
Cited by: Papers (10)
Large area (20 cm2) epitaxial lifted-off (ELO) triple junction (TJ) solar cells based on inverted metamorphic (IMM) InGaP/GaAs/InGaAs were fabricated. These TJ IMM ELO solar cells exhibited efficiency >;29% at one sun AMO illumination, which is the highest reported efficiency for IMM ELO thin cells to date. The cells had fill factor >;85%, open circuit voltage (Voc) = 2.93 V, and short circuit cur...Show More

Large-area, epitaxial lift-off, inverted metamorphic solar cells

R. Tatavarti;A. Wibowo;V. Elarde;F. Tuminello;R. Pastor;T. Giannopoulos;M. Osowski;R. Chan;C. Youtsey;G. Hillier;N. Pan

Year: 2011 | Conference Paper |

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