PRINTED CIRCUIT BOARD PREPARATION METHOD AND PRINTED CIRCUIT BOARD

摘要

The present invention belongs to the technical field of electronic product production, and provides a PCB preparation method, comprising the following steps: obtaining a substrate and drilling; sandblasting for a first time; depositing copper on an outer layer, and electroplating on a full plate; electroplating matte copper; sandblasting for a second time; conducting a pattern transfer operation; stripping; etching; and resistance welding and silk screening. Also provided is a printed circuit board prepared by using the preparation method of the present invention.