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张怀武

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期刊论文

Improvement of thin "lm transformer characteristics by use of a new fabrication process

张怀武H.W. Zhang* Z.Y. Zhong Y.L. Liu H.C. Wang

Vacuum 55(1999)197-200,-0001,():

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摘要/描述

A new thin "lm transformer which is composed of an E-shaped CoZrRe magnetic layer and wound with Cu thin" lm coils fabricated by using a mask vacuum evaporation process has been investigated. The ratio of primary coil turns to secondary coil turns is 3:1 and 3:2. The transformer has a relatively high inductance of 0.4-0.8μH, and can be operated in an integrated micro-switching converter at frequencies between 100KHz and 10MHz.

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