3D characterization of space charge in a slim insulator by a thermal modulation method

Haas, Vincent de; Mousseigne, Michel; Franceschi, J.L.

doi:10.1016/s0304-3886(97)00056-9

Cited by 3 publications

(1 citation statement)

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“…The repetitive heating of the sample to the modulation frequency produces a pyroelectric current which is measured. On the same principle, the focused‐laser intensity modulation method (FLIMM) developed by Franceschi and co‐workers7 uses a focused laser beam and permits localized explorations which can be then gathered together for the establishment of three dimensional cartography of the space charge.…”

Section: Introductionmentioning

confidence: 99%

Space‐charge measurement in polymer films by the new alternating thermal wave method

Reboul¹,

Carin

2002

Polymer International

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Space‐charge prospecting is commonly used as a way of evaluating the electrical qualities and reliability of insulating polymers. However, the various methods for space‐charge measurement are not adapted to thin films. The present work is concerned with the development of a new method suitable for thin polymer films intended for the manufacture of capacitors. The principle is the processing of the current response of a film sample submitted to alternating thermal stimulations. A controlled thermo‐electric module is used to generate the thermal stimulations. The current response is processed as arising from an equivalent pattern of discrete charged planes, parallel to the film faces. Some results obtained with this model on 100 µm thick polypropylene films submitted to various treatments are given. © 2002 Society of Chemical Industry

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Section: Introductionmentioning

confidence: 99%