technology
Engineering Excellence, Trusted Technologies
Whether your challenge is extreme vibration, tight spaces, lightweight materials, or mission-critical sealing — we bring the right technology and expertise to make it happen.
The Technologies Behind Our Reliability
For engineers and technical partners who want to go deeper.
Core Hermetic Technologies
GlassTomer™ Sealing
Combines glass hermeticity with polymer resilience. Enables sealing on aluminum and other lightweight materials.
Leak rate: better than 1×10⁻⁸ atm-cc/sec.
Leak rate: better than 1×10⁻⁸ atm-cc/sec.
Glass-to-Metal Sealing
A high-integrity sealing method that fuses glass to metal under controlled conditions, ensuring long-term hermeticity for applications requiring electrical insulation, pressure containment, and thermal stability—such as aerospace systems, defense electronics, and vacuum devices.
Ceramic-to-Metal Sealing
A specialized sealing technology that bonds ceramics to metals using advanced metallization and brazing techniques, delivering exceptional hermeticity, electrical insulation, and thermal resistance for high-voltage, high-frequency, and mission-critical applications.
Multi-Layer Hybrid Assemblies
Integrated assemblies combining glass, Glasstomer™, and ceramic seals to deliver enhanced durability and hermetic performance in extreme operating environments
D38999 Series – Hermetic Solution
Hermetically sealed D38999 connectors engineered to meet MIL-spec standards, offering high-density signal or power transmission with maximum reliability in harsh aerospace and defense environments.
Brazing, Welding & Materials
Combines glass hermeticity with polymer resilience. Enables sealing on aluminum and other lightweight materials. Leak rate: better than 1×10⁻⁹ atm-cc/sec.
Hermetic Packages: Substrate & Component Integration
Custom hermetic packages with integrated substrates, pins, and components, designed to simplify assembly and enhance reliability in compact, mission-critical systems.
Micro Spot Welding
A precision welding technique used to join miniature components with high strength and accuracy, ideal for dense, high-reliability hermetic assemblies.
Engineering & Support Services Technologies
Complete development and validation capabilities
Custom Engineering
Hermetron’s Custom Engineering & Consulting services provide end-to-end design support, working closely with clients to engineer tailored hermetic packages that meet precise mechanical, thermal, and electrical requirements—ensuring optimal performance in the most demanding applications.
Controlled Atmosphere Sealing
Sealing performed under nitrogen, hydrogen, or argon to prevent oxidation and improve bond quality.
Hermetic Testing & Environmental Screening
Helium leak detection (1×10⁻⁹ atm-cc/sec), vibration, shock, and thermal cycling validation.
CNC Machining & Tooling
In-house precision machining for headers, bases, and housings. Supports prototyping to production.
Thermal Processing
Three belt furnaces used for curing, sealing, and stress relief.
Metallurgical Lab & Failure Analysis
Root cause investigation and material testing to inform engineering improvements.
Let’s Solve It Together
Whether you’re exploring options or ready to start—
let’s find the right solution for your hermetic challenge.