Copper plating method for Haring trough

Application date 2015. 10. 28

Applicant Fuzhou Ruihua Printed Circuit Board Co., Ltd.

Address 350000 No. 37, Xia Zhai, Guangming Village, West Suburb, Gulou District, Fuzhou City, Fujian Province

Inventor Chen Yuesheng Liu Minyi Guo Zhengping Zhan Shaohua Shang Ding

Patent agency Jinghua Patent Office (General Partnership), Gulou District, Fuzhou 35212

Agent Song Lianmei

Name of invention

A Harlem tank copper plating method

Summary

The present invention provides a method of copper plating for a Haring tank, first take a pattern plating sheet for the Haring tank, and milling two side-by-side rectangular through holes on the pattern plating sheet to obtain the desired pattern plating sheet; Measure the opener and brightener according to the volume ratio of 2:1, and mix them to obtain the first copper bright agent; according to the volume ratio of 3:1, measure the brightener and the adjusting agent, and mix them to obtain the second copper bright agent. ; Take the dried anode sheet and de-cylinder sheet for the Harlem tank and insert them into the Harlem tank respectively, and then add the configured electroplating solution to the Harlem tank to the scale line of the Harlem tank, and then connect the air pump Device, and take off the vat at 2.5A for 20 minutes; then dry the required pattern plating sheet and insert it into the Harlem tank, then electroplating at 2A for 96 minutes and 46 seconds; and in half of the plating time At that time, 2mL of the second copper brightener prepared was added. The invention not only has good accuracy, but also has relatively low copper consumption and high resource utilization.

A kind of Harlem Groove copper plating method.pdf