This preview shows page 1. Sign up to view the full content.
Unformatted text preview: Printing the mask pattern 1. Why is the mask pattern used? Prevent the copper in the wiring part of PCB dissolves in etchant 2. How long is the development time? 3minutes Making of the mask pattern for the Double sided 1. What software does the author use to draw the pattern for the printed board? Visio...
View Full Document
This note was uploaded on 12/01/2011 for the course EGR 131 taught by Professor Leavell during the Spring '11 term at Guilford Tech.
- Spring '11