About Complete Hermetics
A manufacturer of glass-to-metal, ceramic-to-metal, hermetic seals and feedthroughs
Complete Hermetics is a custom manufacturer of glass-to-metal, ceramic-to-metal, hermetic seals and feedthroughs. Our team has a wide range of knowledge to design and develop the hermetic connectors, hermetic packages, hermetic headers, vacuum viewports, hermetic seals and hermetic feedthroughs to fit your specifications. Our products and services include:
Our products are vital to many applications in defense, medical technology, semiconductor, energy and aerospace industries.
Complete Hermetics is proud to be a wholly owned subsidiary of Aegis Technology Inc., located in Santa Ana, CA since 2002, with extensive engineering, prototyping and manufacturing capabilities.
Working with us
An Aegis Technology company
Located in Santa Ana, CA since 2002
What We Do
Featured Works
Recent News
Battery End Seals for High-Reliability and Lithium Battery Applications
Purpose of Battery End Seals Battery end seals are critical hermetic components designed to protect internal battery elements from moisture, gas ...
Read MoreVacuum Feedthroughs and Bulkhead Hermetic Solutions
Why Vacuum Feedthroughs Are Critical Vacuum feedthroughs are specialized hermetic components that allow electrical power or signals to pass through vacuum ...
Read MoreHermetic Headers for Reliable Electrical Interconnections
What Are Hermetic Headers? Hermetic headers are sealed electrical terminals designed to allow power or signal transmission into or out of ...
Read MoreHermetic Packages for Semiconductor and High-Reliability Electronics
Purpose of Hermetic Packages Hermetic packages are designed to protect sensitive electronic and semiconductor components from moisture, contaminants, pressure, and environmental ...
Read MoreCeramic-to-Metal Seals for High-Temperature and High-Voltage Systems
When Ceramic-to-Metal Seals Are Required Ceramic-to-metal seals are selected when operating conditions exceed the temperature, voltage, or durability limits of glass-to-metal ...
Read MorePartial Customer List
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
Testimonials
We approached Complete Hermetics for development of customized hermetic connectors for use in a medical application. The company’s team has provided excellent custom solutions and have been quite responsive to our needs. Great company to do business with.
Complete Hermetics has been a great company to work with, and in our on-going projects, they have provided on-time delivery, high quality products, and in general we have been overall very satisfied with their attentive service to our needs. Highly recommended.




















