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News

Stay up to date with our latest news, technical guides, and case studies

All News Guide Case
Energy storage PCS high-current PCB connection design: SMD busbars, welding terminals and temperature-rise validation
Guide · 2026.08.03

Energy storage PCS high-current PCB connection design: SMD busbars, welding terminals and temperature-rise validation

A practical guide to high-current PCB connections in energy-storage PCS power boards, covering continuous current, overl...

Copper-aluminum composite busbar punching burrs and edge delamination: hole quality, plating damage and contact resistance
Guide · 2026.08.01

Copper-aluminum composite busbar punching burrs and edge delamination: hole quality, plating damage and contact resistance

A practical guide to punched-hole quality in copper-aluminum composite busbars, covering punching direction, die clearan...

SMD busbar poor solderability after storage: plating oxidation, packaging, shelf life and solderability retest
Guide · 2026.07.31

SMD busbar poor solderability after storage: plating oxidation, packaging, shelf life and solderability retest

A practical guide to poor solderability of SMD busbars after storage, covering plating oxidation, surface contamination,...

SMT nut pad lift and annular cracking after screw tightening: torque, PCB thickness, pull strength and thermal cycling
Guide · 2026.07.30

SMT nut pad lift and annular cracking after screw tightening: torque, PCB thickness, pull strength and thermal cycling

A practical guide to lifted pads, annular cracks and fractured solder joints around SMT nuts after screw tightening, cov...

PCB welding terminal flux residue after soldering: cleaning, ionic contamination, corrosion and contact resistance troubleshooting
Guide · 2026.07.30

PCB welding terminal flux residue after soldering: cleaning, ionic contamination, corrosion and contact resistance troubleshooting

A practical guide to flux residue around PCB welding terminals after soldering, covering cleaning process, ionic contami...

How to test copper-aluminum composite busbar peel strength: interface delamination, bending and contact resistance validation
Guide · 2026.07.29

How to test copper-aluminum composite busbar peel strength: interface delamination, bending and contact resistance validation

A practical guide to copper-aluminum composite busbar peel strength and interface delamination, covering metallurgical b...

SMD busbar reflow solder voids and poor wetting: stencil, solder fillet, X-ray and temperature-rise validation
Guide · 2026.07.27

SMD busbar reflow solder voids and poor wetting: stencil, solder fillet, X-ray and temperature-rise validation

A practical guide to SMD busbar reflow solder voids and poor wetting, covering stencil openings, paste volume, pad oxida...

Solder wicking into SMT nut threads after reflow: stencil opening, paste volume and thread gauge inspection
Guide · 2026.07.26

Solder wicking into SMT nut threads after reflow: stencil opening, paste volume and thread gauge inspection

A practical guide to solder wicking into SMT nut threads after reflow, covering stencil openings, paste volume, wetting,...

Selective soldering or wave soldering for PCB welding terminals: heat capacity, solder fill and process window
Guide · 2026.07.24

Selective soldering or wave soldering for PCB welding terminals: heat capacity, solder fill and process window

A practical guide to selective soldering vs wave soldering for PCB welding terminals, covering high thermal mass, solder...

How to design bolted copper-aluminum busbar joints: washers, torque and contact resistance
Guide · 2026.07.20

How to design bolted copper-aluminum busbar joints: washers, torque and contact resistance

A practical guide to bolted copper-aluminum busbar joints, covering contact surface, flat and spring washers, tightening...

SMD busbar pad exit overheating: copper neck-down, via array and temperature-rise troubleshooting
Guide · 2026.07.18

SMD busbar pad exit overheating: copper neck-down, via array and temperature-rise troubleshooting

A practical guide to SMD busbar pad-exit overheating, covering copper neck-down, via arrays, effective pad area, heat sp...

How to test PCB welding terminal temperature rise: test points, current, contact resistance and criteria
Guide · 2026.07.15

How to test PCB welding terminal temperature rise: test points, current, contact resistance and criteria

A practical guide to PCB welding terminal temperature-rise testing, covering test points, current setup, thermal stabili...

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