Module Assembly - Multibusbar

Because of their higher efficiency, many solar modules being assembled today use thin solder coated copper wires to connect solar cells in series. Electricity generated by this cell array is ultimately routed to a central junction box and distributed to the main system. Alpha fluxes, pastes, preforms and cored wires are used in this process.

Key Requirements for Joining Materials

High activity, low residue fluxes for spray or dip applications
Fluxes compatible with popular encapsulants
Low spatter, high activity cored wires
High solder volume precision preforms

Product Type	Product Name	Low Temp	PB Free	Halogen Free	VOC Free
Liquid Flux	ALPHA SF828-MBB Fast wetting with minimal or no heating prior to wire ribbon dipping for higher process efficiency Reduced placement slipping for improved production yields Less residue to support higher power transfer efficiencies and less equipment maintenance Superb adhesion and no yellowing bubbling across different EVA laminations
Solder Paste	ALPHA PV-100 Processed and packaged void-free to assure consistent dispensing results Clear, colorless, tack-free residue Reliable, non-clogging dispensing Rheology to provide continuous, high speed dispensing
Solder Paste	ALPHA PV-200 Processed and packaged void-free to assure consistent dispensing Reliable, non-clogging dispensing Rheology to provide continuous, high speed dispensing
Solder Paste	ALPHA PV-300 Processed and packaged void-free to assure consistent dispensing results Reliable, non-clogging dispensing Rheology to provide continuous, high-speed dispensing (thousands of dispenses per hour)
Solder Preforms	ALPHA Exactalloy Industrial Solder Preforms Preforms that deliver precise fit, controlled solder volume and flux level consistency, and extensive alloy range for rugged industrial applications Available in standard shapes and sizes including discs, rectangles, washers, sleeves and wire segments Extensive list of lead and lead-free alloys Available with or without integrated flux coating or core
Cored Wire	ALPHA Telecore HF-850 SAC305 / Sn60Pb40 Performs well with all standard pad finishes Can be used in both robotic and manual soldering processes ROL0
Cored Wire	ALPHA Telecore XL-825 SAC305 / Sn60Pb40 Best for difficult to solder surfaces Can be used in both robotic and manual soldering processes ROL1
Cored Wire	Kester 268 SAC305/K100LD Optimzed for low spatter robotic soldering Can be used for manual and automated soldering processes Zero halogen ROL0
Cored Wire	Kester 285 SAC305 Highly active for soldering difficult surfaces while retaining ROL0 class Can be used for manual and automated soldering processes ROL0
Liquid Flux	ALPHA PV-21 Solid content at 2.1% Quick flux activation even under short soldering time Suitable for dip fluxing
Liquid Flux	Kester SF800-LR Solid content at 1.5% Extremely low residue for minimal post soldering cleaning Excellent peel strength

Key Requirements for Joining Materials

High activity, low residue fluxes for spray or dip applications
Fluxes compatible with popular encapsulants
Low spatter, high activity cored wires
High solder volume precision preforms

Product Type	Product Name	Low Temp	PB Free	Halogen Free	VOC Free
Liquid Flux	ALPHA SF828-MBB Fast wetting with minimal or no heating prior to wire ribbon dipping for higher process efficiency Reduced placement slipping for improved production yields Less residue to support higher power transfer efficiencies and less equipment maintenance Superb adhesion and no yellowing bubbling across different EVA laminations
Solder Paste	ALPHA PV-100 Processed and packaged void-free to assure consistent dispensing results Clear, colorless, tack-free residue Reliable, non-clogging dispensing Rheology to provide continuous, high speed dispensing
Solder Paste	ALPHA PV-200 Processed and packaged void-free to assure consistent dispensing Reliable, non-clogging dispensing Rheology to provide continuous, high speed dispensing
Solder Paste	ALPHA PV-300 Processed and packaged void-free to assure consistent dispensing results Reliable, non-clogging dispensing Rheology to provide continuous, high-speed dispensing (thousands of dispenses per hour)
Solder Preforms	ALPHA Exactalloy Industrial Solder Preforms Preforms that deliver precise fit, controlled solder volume and flux level consistency, and extensive alloy range for rugged industrial applications Available in standard shapes and sizes including discs, rectangles, washers, sleeves and wire segments Extensive list of lead and lead-free alloys Available with or without integrated flux coating or core
Cored Wire	ALPHA Telecore HF-850 SAC305 / Sn60Pb40 Performs well with all standard pad finishes Can be used in both robotic and manual soldering processes ROL0
Cored Wire	ALPHA Telecore XL-825 SAC305 / Sn60Pb40 Best for difficult to solder surfaces Can be used in both robotic and manual soldering processes ROL1
Cored Wire	Kester 268 SAC305/K100LD Optimzed for low spatter robotic soldering Can be used for manual and automated soldering processes Zero halogen ROL0
Cored Wire	Kester 285 SAC305 Highly active for soldering difficult surfaces while retaining ROL0 class Can be used for manual and automated soldering processes ROL0
Liquid Flux	ALPHA PV-21 Solid content at 2.1% Quick flux activation even under short soldering time Suitable for dip fluxing
Liquid Flux	Kester SF800-LR Solid content at 1.5% Extremely low residue for minimal post soldering cleaning Excellent peel strength

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Module Assembly - Multibusbar

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