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Design of high voltage ceramic and glass capacitors for pulse forming networks
Keywords: MLCC, Glass, Capacitor
High power pulse forming networks require high voltage capacitors with low equivalent series resistance (ESR) and equivalent series inductance (ESL). We will discuss applied dielectric research at Sandia National Laboratories that has resulted in high energy density high voltage capacitors for pulsed discharge applications. Using traditional and advanced manufacturing techniques, we produced multilayer ceramic and glass capacitors with energy densities >1J/cm3. Through composition and processing control, multilayer ceramic capacitors (MLCCs) and multilayer glass capacitors (MLGCs) can exhibit highly favorable dielectric behavior including temperature stable capacitance, high energy density, and electromechanical stability.[1,2] In the first part of the talk, we will discuss the role that dielectric chemistry plays in capacitor output current during pulsed discharges from ceramic capacitors. In the second part of this talk, we will show how thin glass sheets can be assembled to produce reliable high voltage capacitors. Sandia National Laboratories is a multi-program laboratory managed and operated by Sandia Corporation, a wholly owned subsidiary of Lockheed Martin Corporation, for the U.S. Department of Energy’s National Nuclear Security Administration under contract DE-AC04-94AL85000.
Harlan Brown-Shaklee,
Sandia National Laboratories
Albuquerque, NM

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