What Are The PCB Prototype Solder Paste Inspection Items?

- Sep 27, 2019-

1, solder paste performance

Solder paste appearance

Solder paste printability

Solder paste viscosity test

Solder paste slump

Residue dryness after solder paste hot melt

Solder paste solder ball test

Solder paste wettability expansion rate test

2. Metal powder

Solder weight percentage

Solder composition determination

Solder particle size distribution

Solder powder shape

3. Flux

Flux acid value determination

Flux halide determination

Flux water soluble conductivity measurement

Flux copper mirror corrosion test

Flux insulation resistance measurement

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