The Structure of Incomplete Destructive Breakdown Spots in Thin Polymer Films

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Abstract
Experimental observations are given on the structure of breakdown spots in thin layers of polystyrene and polybenzene obtained by a glow discharge technique. The levels of energy associated with different types of breakdown are identified and it is shown that within the range of breakdown energy level, lower than 10‐5 joules, non‐destructive breakdown takes place. At higher energies, partial destruction of the breakdown channel occurs and with energy levels greater than 5 × 10‐3 joules, single hole, self‐healing breakdown with complete destruction of the inner morphological channel structure occurs.The nature of the breakdown is discussed in electrical and electronmicroscopy terms.

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