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【SHINKO SEIKI】 Vacuum soldering system

【SHINKO SEIKI】 Vacuum soldering unit

This unit melts solder under vacuum to remove voids from the solder.
Since solder is pre-heated in a reduction atmosphere, flux-free soldering is enabled.
Mostly, this unit has been used to manufacture power devices and form bumps for flip chip bonding .

Vacuum soldering technology

Schematic view of N2 vacuum soldering unit for mass-production

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