Special Products:

Tri-axial 1.4 mm OD; low cap (max 38 pF/m) OD 1.8 mm; triple shielded coax including mu-metal shielding of 145db isoltion. Customized cut-stripped tip soldered lengths, connector fitted assemblies / trees.
 

Corona is an ion/electron partial discharge under high electric fields, and is an inevitable consequence of conductor diameter reduction. PTFE HVCR cables are NOT CORONA FREE, but are designed for 10,000 - hour life under corona (shielding will help to reduce corona effects on nearby circuits).