Hole processing circuit board proofing: how

1, PCB circuit board plug hole standard: should be the plug hole thread processing; Don't allow through the white light ( Allow through green light) Grommet, in accordance with the customer documents processing, if the grommet is allowed some through hole orifice is yellow cover, but not receive the grommet dew copper. Engineering documents required: fill holes film. 2, security hole circuit board proofing production covers jack standard: should be the thread hole cover, and do plug hole processing; Don't allow through the white light ( Allow through green light) And do not allow the orifice is yellow. Engineering documents required: fill holes film. Through hole PCB proofing production. 3, security hole circuit board proofing production covers standard: should be the thread hole cover, normal printing resistance welding, do not do special plug hole processing; Allow some holes stuffed, part of the hole is not plug, must accept orifice is yellow, but I don't receive the grommet dew copper. Engineering documents required: normal resistance welding film. Double bind PCB proofing production 4, security hole PCB proofing production will cover standards: the thread should be the hole cover, normal printing resistance welding, do not do special plug hole processing; Allow some holes stuffed, part of the hole is not plug, must accept orifice is yellow, but I don't receive the grommet dew copper. Engineering documents required: normal resistance welding film. 5, cover welding plate covering the hole not standard: should be the thread hole cover, normal whole board printing, do not do special plug hole processing; Allow some holes stuffed, hole not plug, grommet dew copper according to the customer file to open the window after + 2 mil. Engineering documents required: normal resistance welding film. 6, do not cover standard: all the thread hole do window processing; Allow part within the distributed into the oil, and jack, but do not allow the grommet on the ink. Engineering documents required: normal resistance welding film. 7, partial coverage criteria: must be socially focal area line hole cover, normal printing resistance welding, do not do special plug hole processing; Allow the area via hole plug, part of the hole is not plug, must accept orifice is yellow, but I don't receive the grommet dew copper. Engineering documents required: normal resistance welding film. 8, part of the plug hole standard: to be socially focal areas do plug hole processing line hole; The area too little plug holes are not allowed to white light ( Allow through green light) Part, but must accept hole orifice is yellow, but I don't receive the grommet dew copper. Engineering documents required: fill holes film. Other note: (1), all must plug hole of PCB circuit board, engineering must fill holes film. 2, if you have any customer line is not allowed to plug holes, the order must be special instructions in the user list, engineering should be a block point film; And this can only be aimed at 0. More than 4 mm holes, less than 0. 4 mm hole has this requirement must be the next review abnormal process.

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