• Hermetic Seal Technology (HST) has been setting the standards for custom glass-to-metal seals, especially lithium battery seals, since 1994. We have specially formulated Lithium corrosion resistant glass to greatly reduce corrosion and to isolate lit more


  • Our experience and expertise in hermetic welding plus brazing allows us to offer range of glass-to-metal seals for the healthcare, military, aerospace, electronic, and automotive applications. Using resistance welding, we are able to hermetically more


  • For the healthcare industry, we custom design and manufacture a unique line of medical equipment titanium seals. HST specializes in manufacturing glass-to-metal seals for lithium batteries used in medical implantable devices such as pacemakers, heart more


  • As a leader in the manufacture of custom hermetic glass-to-metal seals, we can manufacture hermetic connectors that support federal and military requirements. We can manufacture mil-spec hermetic connectors that adhere to performance and design requi more


  • At HST, we engineer glass-to-metal seals/feedthrus in different specifications to meet varied high amperage needs. Pins for these feedthrus are made from hermetically sealable materials, such as alloy 52, stainless steel, molybdenum, copper-cored 52 more


  • With expertise in the design and manufacture of various hermetic seals, we offer customized hermetic seals suited for all your leak-tight power feed thru requirements. Our capabilities cover every facet of manufacturing custom seals - from initial de more