Classification of high-voltage varistors into groups of differentiated quality
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| Title: | Classification of high-voltage varistors into groups of differentiated quality |
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| Authors: | Hasse, Lech1, Konczakowska, Alicja alkon@eti.pg.gda.pl, Smulko, Janusz1 |
| Source: | Microelectronics Reliability. Dec2009, Vol. 49 Issue 12, p1483-1490. 8p. |
| Subjects: | Varistors, Nondestructive testing, Resonant vibration, Zinc oxide, Metallizing, Electronic appliance testing, High voltages |
| Abstract: | Abstract: The research was aimed on defining a factor of quality for high-voltage varistors using Non-Destructive Testing (NDT) techniques, which could be applied during the production testing. The newly proposed parameter Q determined on the basis of the lowest resonant frequency fr measured within the preselected frequency range was taken into account. The parameter Q was defined for ZnO structures after firing, without metallized contacts. The results of investigations allow to conclude that the parameter Q can be used as the quality factor for high-voltage varistors classification into groups of differentiated quality. [Copyright &y& Elsevier] |
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| Database: | Engineering Source |
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