Gold – Precision, Purity, and Performance
Gold is the premier material for high-reliability electrical contacts, brazing alloys, and corrosion-resistant coatings. At Advanced Hermetic Solutions, we integrate gold into microelectronic and medical-grade hermetic assemblies where signal integrity, inertness, and longevity are critical.
Material Properties
- Density: 19.3 g/cm³
- Melting Point: 1063°C (1945°F)
- Electrical Conductivity: ~2.44 × 10⁻⁸ Ω·m
- Thermal Conductivity: ~318 W/m·K
- Chemical Resistance: Inert to oxygen, moisture, and most acids
- Malleability & Ductility: Highest of all metals
- Hardness: Mohs scale 2.5–3
- Young's Modulus: ~79 GPa
- Corrosion Resistance: Excellent in saline, humid, and acidic environments
- Color: Distinctive metallic yellow
Applications in Hermetic Engineering
Gold Brazing Alloys
Used to hermetically bond dissimilar materials such as ceramics and metals, ensuring structural integrity and thermal stability.
Gold-Plated Feedthroughs
Enable high-reliability electrical conduction across sealed boundaries, resistant to oxidation and signal degradation.
Aerospace and Medical Assemblies
Used in pacemakers, satellite electronics, and implantable sensor modules where bioinertness and failure-free sealing are mandatory.
MEMS & Microelectronics
Applied as thin films or plating in vacuum-sealed MEMS packages to maintain conductivity and solderability over decades.
High-Frequency Signal Paths
Ensures low-resistance pathways for RF or high-speed digital signals in hermetic microwave and optical communication systems.
Corrosion-Resistant Metallization
Used as a noble barrier layer in multilayer metallizations to protect critical interfaces from degradation over time.
Engineered Excellence with Gold
From signal fidelity to corrosion-proof bonding, gold remains the material of choice for elite hermetic systems. Contact AHS for precision gold joining, metallization, and brazing for your next mission-critical application.
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