Copper – Precision Conductivity and Thermal Efficiency

Copper offers unparalleled electrical and thermal conductivity, making it a key material for hermetic assemblies requiring high-efficiency signal transmission and heat dissipation. Advanced Hermetic Solutions uses copper in critical aerospace, medical, and industrial sealing applications where reliability and thermal balance are essential.

Material Properties

  • Density: 8.96 g/cm³
  • Melting Point: 1083°C (1981°F)
  • Thermal Conductivity: 391 W/m·K
  • Electrical Conductivity: 58.0 × 10⁶ S/m
  • Coefficient of Thermal Expansion: 16.5 µm/m·°C
  • Tensile Strength: 210–390 MPa
  • Modulus of Elasticity: 110–130 GPa
  • Hardness: 40–110 HB
  • Corrosion Resistance: Excellent in neutral and mildly acidic environments
  • Formability: Extremely ductile and malleable

Applications in Hermetic Engineering

Hermetic Feedthroughs

Copper's high electrical conductivity ensures low-resistance signal and power transfer across sealed interfaces.

Thermal Interface Materials

Integrated into heat sinks, spreaders, and sealed housings for dissipating heat from sensitive electronics.

Microelectronic Packaging

Utilized in multilayer brazed assemblies for hybrid devices, enabling thermal and electrical balance.

Medical Sensor Seals

Biocompatible copper variants are used in imaging-safe and implantable monitoring enclosures.

Vacuum & High-Purity Systems

Low outgassing copper alloys are ideal for clean, ultra-high vacuum brazed feedthroughs and liners.

Partner with AHS for Copper-Based Hermetic Solutions

Whether you're optimizing power delivery or dissipating heat in sealed electronics, Advanced Hermetic Solutions provides precision copper brazing, plating, and integration expertise for demanding applications.

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