Hermetic Seal Technology, Inc. (HST) is a custom glass-to-metal hermetic seal and feedthru manufacturer.

Lithium Battery Seals		Custom Mil-Spec Connectors		Hermetic Seal Technology (HST) produces custom hermetic glass-to-metal seals for lithium batteries used in oil exploration (down-hole) and military applications. For the healthcare industry, we custom design and manufacture a unique line of medical implantable titanium seals. HST specializes in manufacturing titanium glass-to-metal-seals for lithium batteries used in medical implantable devices such as pacemakers, heart defibrillators, and neuro-stimulators. We offer customized hermetic seals suited for all your leak-tight power feed thru requirements including industrial, sensor, and aerospace applications. Hermetic Seal Technology provides precision glass-to-metal hermetic seals and connectors worldwide.   With 100% leak checking on all seals and with Clean-Seal technology, HST is the leader in glass-to-metal sealing technology.  Let our engineers help design and build your hermetic application. Call an HST engineer today at 513-851-4899.
Medical & Titanium Battery Seals		Welded & Brazed Battery Lids
High Amperage Feedthrus		Custom Hermetic GTM Seals