Hermetically sealed capacitor

Claim 1

A HERMETICALLY SEALED CAPACITOR COMPRISING A STACK OF DIELECTRIC DISCS WITH A CENTER HOLE, EACH DISC HAVING ON ONE SIDE AN OUTER ANNULAR ELECTRODE WITH AN EXTENSION OVER THE OUTER EDGE OF THE DISCS ONTO THE OPPOSITE SIDE AND HAVING ON SAID OPPOSITE SIDE AN INNER ANNULAR ELECTRODE WITH AN EXTENSION EXTENDING OVER THE EDGE OF THE HOLE ONTO SAID ONE SIDE, THE DISCS BEING STACKED WITH THE RESPECTIVE EXTENSIONS IN CONTACT WITH EACH OTHER TO PROVIDE ONE TERMINAL OF THE CAPACITOR AT THE CENTER HOLE OF THE STACK AND THE OTHER TERMINAL OF THE CAPACITOR AT THE PERIPHERY OF THE STACK, A HERMETICALLY SEALED ENCLOSURE FOR THE CAPACITOR COMPLETELY SURROUNDING THE STACK OF DIELECTRIC DISCS AND HAVING METAL TERMINAL MEMBERS EXERTING PRESSURE ON THE ENDS OF THE STACK, ONE OF THE TERMINAL MEMBERS COMPRISING AN OUTER ANNULAR TERMINAL AND A CENTER TERMINAL AND AN ANNULAR GLASS TO METAL SEAL JOINING THE OUTER TERMINAL TO THE CENTER TERMINAL, SAID ANNULAR TERMINAL HAVING A FLANGE PROJECTING RADIALLY OUTSIDE SAID STACK, THE OTHER OF THE TERMINAL MEMBERS HAVING ANOTHER FLANGE OPPOSITE SAID FIRST FLANGE AND HERMETICALLY SEALED TO THE BALANCE OF THE ENCLOSURE, ONE OF SAID FLANGES HAVING AN ANNULAR PROJECTION PRESENTED TOWARD THE OTHER OF SAID FLANGES, SAID PROJECTION BEING NARROWER THAN AND MAKING LOCAL CONTACT WITH AND FUSED TO THE OTHER OF SAID FLANGES, A RESILIENT RING BETWEEN ONE OF SAID TERMINAL MEMBERS AND THE ADJACENT END OF THE STACK, SAID RING BEING CONSTRUCTED TO YIELD AND LIMIT THE PRESSURE ON THE STACK.