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Formula: In 97/Ag 3
Form: Foil/Film/Sheet
Material: Indium/Silver Alloy
Commodity: Alloys
Thickness: 0.3mm

Indium/Silver Alloy Foil (In97/Ag 3)

Goodfellow's Indium/Silver Alloy Foil (In97/Ag 3) is an excellent high-temperature soft solder available in 8 variations, including thicknesses from 25 to 200 microns. With a melting point of 143°C, this foil alloy combines indium's ductility with silver's high thermal and electrical conductivity. Potential applications include soldering semiconductor devices, optical components, and other heat-sensitive electronics where lead-free solders are required. Thanks to the range of sizes and thicknesses available, Indium/Silver Alloy Foil (In97/Ag 3) provides flexible high-temperature soldering solutions across a range of industries.
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Tolerances

Foil/Film/Sheet
Thickness <0.01mm ±25%
Thickness 0.01mm - 0.05mm ±25%
Thickness >0.05mm ±10%

Material Properties for Alloys

Mechanical Properties
Element Value
Hardness - Brinell 2
Tensile strength( MPa ) 5
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 7.5
Temperature coefficient( K⁻¹ ) -
Thermal Properties
Element Value
Melting point( C ) 143
Thermal conductivity( W m⁻¹ K⁻¹ ) 73@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 22@20-100°C
Physical Properties
Element Value
Density( gcm⁻³ ) 7.38

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