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Advanced Capacitor Development for Marxed Modulators

Sci-Eng Solutions is developing advanced, high-energy density capacitors requisite to the demanding requirements of Klystron drive modulators in conjunction with the Stanford Linear Accelerator Center. Unique, nano-sized barium titanate and strontium titanate dielectric powders are used to fabricate high energy density ceramic capacitors. These crystalline ceramic powders have uniform spherical morphology and high dielectric constant, with sintering temperatures as low as 1000degC. The improved microstructure of the finegrained, sintered ceramic improves uniformity and reduces dielectric breakdown relative to equivalent, large grained ceramics. Moreover, various dopants or modifiers can also be used in binary compositions to tailor electrical performance for a wide range of applications. The size, purity and tailored compositions of the nano-powders result in a performance capability superior to convention ceramic technology; and the ultra-fine particle size makes these ceramic capacitors ideal for numerous modulator applications, such as directed energy weapons (high power microwaves and lasers), particle beam accelerators, high speed rail systems, lasers, and advanced radars.