1.PCB上预留贴标签位置，并印上版本号，名称，日期等信息；2.为了确

1. Reserve a label position <br>on the PCB , and print the version number, name, date and other information; 2. In order to ensure that all letters, numbers and symbols are easy to identify on the PCB, the line width of the silk screen must be greater than 4mil, and the height of the silk screen should be at least 28mil (The line width of the silk screen is recommended to be 5 mils, and the silk screen height is 30 mils);

1. The PCB reserves the label location and prints the version number, name, date and other information;<br>2. In order to ensure that all letters, numbers and symbols are easy to identify on the PCB, the line width of the silkprint must be greater than 4mil and the silkscreen height must be at least 28mil (the recommended silkscreen has a line width of 5mil and the silkscreen height is 30mil);

1. The label position should be reserved on the PCB, and the version number, name, date and other information should be printed;<br>2. In order to ensure that all letters, numbers and symbols can be easily identified on PCB, the line width of silk screen printing must be greater than 4mil and the height of silk screen printing must be at least 28mil (the recommended line width of silk screen printing is 5MIL and the height of silk screen printing is 30mil);