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  3. AURUNA® 5100 Pure Gold Electrolyte

AURUNA® 5100 Pure Gold Electrolyte

    Brand: UMICORE
    Origin:

    Germany
    028 3838 0482

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    Pure gold coatings with very good bonding and soldering properties

     

    AURUNA® 5100 is a neutral fine gold electrolyte for depositing matt, lemon-yellow coatings. It's specifically developed for applications requiring excellent bonding and soldering properties.

    In addition to good ductility, the layers from AURUNA® 5100 also exhibit a low hardness and a low contact resistance. Even under production conditions, the layers have a high gold purity of 99.99 wt. % Au.

    The coatings meet the requirements of ASTM B488-01, Type III, Code A/B.

    Electrolyte characteristics

    Electrolyte type

    Neutral

    Metal content

    5 (4 - 8) g/l Au

    pH value

    6.0 (5.8 - 6.2)

    Operating temperature

    65 (60 - 70) °C

    Current density range

    0.2 (0.1 - 0.5) A/dm²

    Plating speed

    Approx. 0.13 μm/min at 0.2 A/dm²

    Anode material

    Pt-Ti (type PLATINODE® Pt/Ti)

    Coating characteristics

    Coating

    Fine gold

    Purity

    99.99 wt.% Au

    Colour of deposit

    Lemon-yellow

    Brightness

    Matt

    Hardness

    85 HV

    Density of the coating

    Approx. 19 g/cm³

     

    Advantages

     

    • Neutral electrolyte for pure gold coatings with very good thickness distribution
    • High current efficiency
    • Resist-friendly operating conditions
    • Excellent bonding and soldering properties
    • Low contact resistance
    • Classification according to ASTM B488-01 Type III, Code A/B
    • Compatible with standard BGA requirements
    • Easy maintenance and high stability of the electrolyte

     

     

    Applications

     

    • Rigid and flexible printed circuit boards
    • Semiconductors
    • BGA applications
    • Ceramic and metallic substrates







    Umicore is a global materials technology and recycling group, with about 10,000 employees and a turnover of € 10.4 billion in 2015. Umicore generates the majority of its revenues and dedicates most of its R&D efforts to clean technologies, such as emission control catalysts, materials for rechargeable batteries and recycling. Umicore’s overriding goal of sustainable value creation is based on an ambition to develop, produce and recycle materials in a way that fulfils its mission: materials for a better life.

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    Umicore is a global materials technology and recycling group, with about 10,000 employees and a turnover of € 10.4 billion in 2015. Umicore generates the majority of its revenues and dedicates most of its R&D efforts to clean technologies, such as emission control catalysts, materials for rechargeable batteries and recycling. Umicore’s overriding goal of sustainable value creation is based on an ambition to develop, produce and recycle materials in a way that fulfils its mission: materials for a better life.