Multiple High Voltage Pulse Stressing of Polymer Thick Film Resistors

Active and Passive Electronic Components

Research Article

Y. Srinivasa Rao¹  Busi Rambabu¹ 

[1] Instrument Technology Department, Andhra University College of Engineering (A), Visakhapatnam 530 003, India, andhrauniversity.edu.in

Others  :  1323207
DOI  :  10.1155/2014/319213

 received in 2014-09-26, accepted in 2014-11-02,  发布年份 2014

【 摘 要 】

The purpose of this paper is to study high voltage interactions in polymer thick film resistors, namely, polyvinyl chloride- (PVC-) graphite thick film resistors, and their applications in universal trimming of these resistors. High voltages in the form of impulses for various pulse durations and with different amplitudes have been applied to polymer thick film resistors and we observed the variation of resistance of these resistors with high voltages. It has been found that the resistance of polymer thick film resistors decreases in the case of higher resistivity materials and the resistance of polymer thick film resistor increases in the case of lower resistivity materials when high voltage impulses are applied to them. It has been also found that multiple high voltage pulse (MHVP) stressing can be used to trim the polymer thick film resistors either upwards or downwards.

【 授权许可】

CC BY   
Copyright © 2014 Busi Rambabu and Y. Srinivasa Rao. 2014

【 图 表 】

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