Our Materials – Engineered for Reliability
At Advanced Hermetic Solutions, our hermetic components are built from premium materials chosen for performance in high-temperature, high-pressure, and chemically reactive environments. We use certified metals and ceramics engineered for ceramic-to-metal and sapphire-to-metal brazing, ensuring long-term integrity in aerospace, defense, medical, and semiconductor applications.
Material List and Properties for Hermetic Assemblies
| Material | Type | Key Properties | Applications |
|---|---|---|---|
| Alumina (Al₂O₃) | Ceramic | High hardness, excellent insulation, temperature resistance | Feedthroughs, insulators, housings |
| Sapphire | Single-Crystal Oxide | Optical clarity, hardness, dielectric strength | Windows, viewports, laser assemblies |
| Ruby (Al₂O₃ + Cr) | Doped Crystal | High hardness, chemical inertness, optical red hue | Laser systems, optical sensors |
| Zirconium Oxide (ZrO₂) | Ceramic | Fracture toughness, shock resistance | Insulation layers, medical applications |
| Titanium Diboride (TiB₂) | Ceramic Compound | Hardness, conductivity, high melting point | Electrodes, wear parts |
| Kovar® F-15 | Nickel-Iron Alloy | Controlled CTE, brazability | Sealing surfaces, ceramic-metal transitions |
| Alloy 42 | Nickel-Iron Alloy | Matched CTE, corrosion resistance | Glass-to-metal seals |
| Stainless Steel 316L | Austenitic Steel | Corrosion resistance, weldability | Enclosures, flanges |
| Titanium Grade 2 | Pure Titanium | Biocompatibility, corrosion resistance | Medical sensors, aerospace connectors |
| Titanium Grade 5 | Ti-6Al-4V Alloy | High strength, fatigue resistance | Vacuum housings, aerospace enclosures |
| Titanium Grade 36 | Ti-45Nb Alloy | Ductility, weldability, corrosion resistance | Marine and aerospace systems |
| Inconel | Nickel-Chromium Alloy | Oxidation resistance, high-temp strength | Flanges, reactors, aerospace |
| Hastelloy | Nickel-Molybdenum Alloy | Corrosion resistance in harsh chemicals | Chemical sensors, marine parts |
| Molybdenum (Mo) | Refractory Metal | High melting point, thermal conductor | Heat shields, vacuum assemblies |
| Tungsten (W) | Refractory Metal | High density, temp resistance | X-ray windows, vacuum packages |
| Gold (Au) | Noble Metal | Conductivity, corrosion-resistant | Interconnects, bonding layers |
| Nickel (Ni) | Bonding Layer | Brazing interface, oxidation protection | Surface prep, base coating |
| Copper (Cu) | Base Metal | Conductivity, brazing compatibility | Heat sinks, bonding layers |
| Silver-Copper Braze | Filler Metal | Wettability, thermal/electrical transfer | Sealing filler metal |
| Silver (Ag) | Noble Metal | High conductivity, reflectivity | Bonding layers, EMI shielding |
| Platinum (Pt) | Noble Metal | Corrosion resistance, stability | Sensors, medical applications |
| Platinum-Iridium | Pt-Ir Alloy | Hardness, chemical resistance | Biomedical, precision instruments |
| 15-5 PH | Precipitation-Hardening Steel | High strength, corrosion resistance, heat treatable | Structural components, aerospace housings |
| 17-4 PH | Precipitation-Hardening Steel | Excellent strength, hardness, moderate corrosion resistance | Shafts, fasteners, high-strength housings |
| Titanium Grade 23 | Ti-6Al-4V ELI Alloy | High strength, excellent fracture toughness, superior biocompatibility | Medical implants, aerospace connectors, surgical devices |
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