Gold · 4N — Sputtering PVD and power contacts

Gold Discs and Sputtering Targets

High-purity gold discs and targets (Au ≥ 99.99% — 4N) for cathodic sputtering (PVD). Manufactured with controlled fine-grain microstructure for uniform erosion rates. Available bonded to Cu backing plate or freestanding.

• Au >= 99.99% · Grain size < 200 um for uniform sputtering rate
• Relative density >= 99.5% (rolled + recrystallisation annealed)
• Cu backing plate with In bonding or diffusion bonding
• Flatness control < 0.1 mm/100 mm for head mounting
• Buy-back service for spent targets at market Au price