Type of Document Master's Thesis Author Webster, James R Author's Email Address email@example.com URN etd-6798-14833 Title Thin Film Polymer Dielectrics for High-Voltage Applications under Severe Environments Degree Master of Science Department Electrical Engineering Advisory Committee
Advisor Name Title Elshabini-Riad, Aicha A. Committee Chair Desu, Seshu B. Committee Member Garrou, Philip E. Committee Member McGrath, James E. Committee Member Murphy, Kent A. Committee Member Keywords
Date of Defense 1998-05-26 Availability unrestricted AbstractThis thesis presents the results of research into the performance of advanced polymer
dielectrics for the realization of high-power electronic circuits in a miniature form. These
polymeric materials must satisfy a number of critical thermal, environmental, and
electrical requirements to meet the required performance criteria for microelectronics
applications. These desired attributes include thermal stability, low moisture uptake, high
breakdown voltage (low leakage current), low dielectric constant, low loss tangent, high
glass transition temperature, and low surface roughness. The use of these polymers
allows for advanced electronic packaging techniques, resulting in improved system
performance and reliability.
Research was performed using a commercially available polymer dielectric and evaluated
the feasibility of utilizing these materials as interlayer dielectrics in multilayer power
electronic circuits. Historically, efforts to develop advanced interlayer dielectric
materials have concentrated on promoting their use in high speed digital circuits.
However, dielectrics used in power electronics must meet requirements not commonly
stressed in designs for digital circuits. Multilayer circuits used in power electronics place
a particular emphasis on the material properties of high dielectric strength or breakdown
voltage and small values for loss tangent or dissipation factor. The focus of this research
has been to characterize these particular properties for a commercially available polymer
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