3. Insulation breakdown by microparticles
This section presents the simplest proposed approach to explaining the breakdown of vacuum insulation. Although this approach remains simplistic, it is often used and has a pedagogical character. It is explained below.
3.1 Cranberg theory
The explanation put forward by Cranberg to explain vacuum breakdown was the presence of microparticles (projections of micron-sized material – such as dust, polishing or cleaning residues, etc.) which are weakly bound to the surface (by Van der Waals-type...
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Insulation breakdown by microparticles
Thermal equilibrium for a microscopic protrusion of a surface subjected to high voltage
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