INVAR ELECTROPLATING SOLUTION

Code: 901820-500ml D2-231

Not available outside of the UK & Ireland.

Features and Benefits

Deposits have low internal stress and are very ductile. Near-zero linear thermal expansion in plated alloy films. Surfaces are uniform and smooth with w...


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$93.38 500ML
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Not available outside of the UK & Ireland.

Features and Benefits

Deposits have low internal stress and are very ductile. Near-zero linear thermal expansion in plated alloy films. Surfaces are uniform and smooth with well-controlled thickness and excellent uniformity. Qualified bath metrology for replenishment and a long shelf life.Electroplated Invar film (5-10 µm thickness) properties:1. Density: 8.1 g/cm32. Composition: 64 wt% Fe, 36 wt% Ni3. Linear thermal expansion: 0.4 ± 0.1 * 10-6 K-14. Specific heat copacity at 573K: 0.45 ± 0.05 J/gK5. Thermal conductivity: 43 ± 5 W/mK6. Internal stress: 30 ± 2 MPa7. Tensile strength: 500 ± 60 MPa8. Yield strength: 280 ± 50 MPa9. Ductility: 40 ±10 %

General description

Invar electroplating solution is designed for the fabrication of low stress, pinhole-free nickel-iron alloy films with extremely low coefficients of thermal expansion.

composition164 g/L ±5 g/L Ni(SO3NH2)2 .4H2O, 24 g/L ±0.5 g/L H3BO3, 51 g/L ±1.5 g/L FeSO4 ⋅ 7H2O, 9 g/L ±0.3 g/L NiBr2 ⋅ xH2O
contains0.01 g/L±0.001 g/L wetting agent, 4 g/L±0.2 g/L Stress reducer, 1 g/L±0.1 g/L stabilizer
formliquid
This product has met the following criteria to qualify for the following awards: