Patent ID: 9741463
Date: 2017-08-22
CPC Classifications: C03C,E21B,G21C,H01B,Y02E

Claim:
1. A feed-through element, comprising: a support body with an access opening; at least one functional element; and an electrically insulating fixing material securing the at least one functional element in the access opening and electrically insulating the at least one functional element from the support body, wherein the electrically insulating fixing material hermetically seals the access opening and fixes the at least one functional element within the access opening to withstand pressures in excess of 42,000 psi, wherein the electrically insulating fixing material contains glass ceramic which comprises in mole % on oxide basis: wherein MO is selected from the group consisting of MgO, CaO, SrO, BaO, and any combinations thereof, and wherein M