PCB镀铜光明剂配方的应用与近况(国外英文资料).docVIP

PCB镀铜光亮剂配方的应用与现状 The improvement and market status of PCB plating additive (zhou sheng, jiamei paint company of hubei province) PM - 501 is a new kind of high performance copper plating brightener, the PM - 501 of bright copper plating, good leveling and ductility, under the condition of mass production still can maintain high quality of the coating, the brightener without harmful breakdown products, specialty activated carbon treatment cycle. Another advantage of PM - 501 is maintained only need a kind of additive and plating solution and sold at home and abroad most of the brightener has good compatibility, swaps without activated carbon processing. With the use of pm-501, the coating can be subjected to strict inspection to ensure the requirement of high quality printing plate. 1, the characteristics of Using the pm-501 brightener for electroplating, it has good ductility and thermal shock resistance for amorphous copper coating Under normal operation, the thickness ratio of surface and hole wall is close to 1:1, the perforation plating ability is exceptionally excellent, especially suitable for multilayer plate and small aperture printing plate 1.3 wide temperature range: 15-30 ℃ 1.4 usage is wide and inclusive The 1.5 light agent is stable in the tank, and the various components are equal to each other, so there is no need for frequent cleaning 2, work slot 1.1 is made of polyethylene, polypropylene, rigid polyvinyl chloride resin It must be equipped with a heater made of porcelain, glass, polytetrafluoroethylene or stainless steel, titanium, etc 1.1.3 requires air stirring and continuous filtration 3, each working fluid is made up Chemical name volume Demineralized water 700-800 ml Copper sulfate, 60-80 - g Concentrated sulphuric acid (98%) 180 g (100 ml) The chloride ion 40-80 mg PM - 501. 4 to 7 ml One, foreword Copper plating and electroless copper market in China and the technology has been very mature, just because the price of copper is high and resourc