Types of Hermetic Seals:
Glass-to-Metal Seal versus Hermetic Epoxy
Hermetics is defined as creating a seal or closure that is complete and airtight. The industry standard rating for Ultra-High Vacuum
(UHV) is achieving < 1x10-9 cc Helium per second and is measured by mass spectrometer. Positive pressure applications can also require
testing from simply bubble tests to pressurized system verification, depending on the application requirements. Various technologies
exist to create a hermetic electrical seal between two points, with two of the more common technologies being glass-to-metal seals
and epoxy-based hermetic feedthroughs.
PotCon Series
OptiSeal Series
StudSeal Series
CircuitSeal Series
JacketSeal
Portplate Series
Douglas Electrical Components, Inc.
5 Middlebury Blvd.
Randolph, NJ 07869
Phone: +1 (973) 627-4810