Main performance parameters
Application field: Pump laser package
Lead welding method: tin welding, gold wire bonding
Nickel layer thickness: >3μm
Gold layer thickness: >0.45μm
Hermeticity: leak rate ≤≤1x10-3Pa.cm3/s (He)
Insulation resistance: ≥1000MΩ (DC500V)
Pin current: 16A(φ1.5mm), 10A(φ1mm)
Material:
Base: copper
Ring frame: Kovar alloy, steel, copper
Lead: Kovar alloy, iron-nickel alloy, copper core composite
Cover: Kovar alloy, iron-nickel alloy
Insulator: DM308 or similar, iron sealed glass beads, ceramic
Sealing process and technology: parallel seam welding, laser welding