Potential Failure Mode
dry float off
the copper surface residual foreign body
board scratch
card board
copper surface oxidation and foreign body
board roller printing or scratched
copper surface oxidation and foreign material
copper surface oxidation and foreign material
copper surface oxidation and foreign material
copper surface oxidation and foreign material
copper emery surface residue or foreign
copper surface residue or foreign diamond
copper surface residue or foreign diamond
copper surface residue or foreign diamond
copper surface residue or foreign diamond
copper surface residue or foreign diamond
copper surface oxide
copper oxide surface residual foreign body
plate surface residual liquid detergent
board foreign residues
"1 copper oxide surface;
2. the copper surface roughening is not enough;"
insufficient hole / surface copper thickness
board foreign residues
copper surface oxidation
board foreign residues
"1 activation groove acidity is too low
2. The copper surface oxidation "
substrate surface plated with palladium or solder
copper surface is not coated with the palladium layer
board foreign body left
the base layer residual palladium
copper-palladium layer is washed off
the plate surface residual foreign body
nickel-phosphorus alloy deposited excessive
alloy deposited nickel-phosphorus excessive
Nickel Analysis of the nickel slot
nickel-phosphorus alloy deposited too slow
nickel-phosphorus alloy deposited bad / black Nickel
board not plated with nickel layer,
the nickel surface adsorption of foreign matter
gold deposition speed is too slow
, "gold deposition excessive
"
gold deposition poor
"Golden Mask Watermark
"
plate surface residual Watermark
"Watermark board residue
"
by coating the surface clean without a net
bad potion exchange
wire-speed fast
plate surface scratches and roller printing
plate surface cleaning is not clean
board clean dirty
clean plate surface is not clean
board clean dirty
board clean dirty
clean dirty plate surface
ionic contamination of non-compliance of
the board is not drying
to film without a net
to film without a net or a copper surface oxidation or solder surface matte
to film without a net or a copper surface oxidation
board roller printing and scratches
to film without a net or a copper oxide surface
plate clean surface is not clean
clean clean plate surface not
clean plate surface is not clean
clean plate surface is not clean
board clean without a net
to film without a net / copper oxide surface
to film without a net / copper surface oxide
board drying not
go after the diaphragm surface dirty
正在翻譯中..
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