PCB Repair Tools and Tactics

Posted by Thomas Shaw on December 10th, 2019



When physical damage normally inside the form of scratched traces or mask, broken corners, lifted pads or broken plated by means of holes comes up, the printed circuit board requires to be physically repaired. If desired or allowed by the buyer these repairs call for the correct PCB repair tools and procedures. The strategies must be performed by these skilled inside the art with experience in such repairs. Particular PCB repair tools developed to make repair technician's jobs less difficult and faster. Get extra information about PCB Tool Expert



You will find a number of techniques, several of which have been developed by the military, for use in the repair of printed circuit boards. These strategies have now been assembled and are being managed by the international trade organization the IPC. The IPC procedures for repair are spelled out in IPC-7721 "The repair of printed wiring boards". This technical "how to" manual describes in detail the repair course of action, the tools necessary, the amount of talent required-good, better and best- for every with the repair processes. PCB repair tactics in this document go all of the way in the replating of gold fingers to solder mask repair to repair of laminate damage. The specifications call for client involvement if a physical repair as outlined inside the repair manual is necessary. The approaches for repair are broken down within this specification into beginner, sophisticated and specialist PCB repair technician levels. In some cases, there might as much as 4 diverse authorized repair techniques outlined within the IPC-7721, all of that will get the board back to a functioning PCB.

Additionally to the "how to" guidelines located inside the IPC-7721 "The Repair of Printed Wiring Boards", the manual also points for the tools expected to completed the suggest repair. Each with the repair processes identified in the PCB repair tools and tactics manual informs the user of not only the repair strategies but in addition the PCB repair tools. In most cases, they're really generic tools which is usually procured from several different sources. The photographs in the normal supporting the documentation of the specification might involve a distinct vendor in the tool but in some cases, the "how to" section shows a generic sketch in the tool getting used. For some procedures, really particular tools from very specific vendors are shown or are referred to inside the procedure getting discussed.

As an instance, one in the procedures found inside the IPC-7721 describing PCB repairs tools and tactics, "Repair of Printed Wiring Boards" will be the PCB pad replacement method. The IPC 7721 4.5.1 Land Repair, Epoxy Method along with the 4.5.2 Land Repair, Dry Film Method, each get for the exact same finish result-the replacement of a land which has been removed ordinarily soon after a rework course of action has been accomplished incorrectly or handling damage. Each methods refer to the following supplies: Cleaner, microscope, soldering iron, tweezer, and wipes. Then in every of the methods, precise supplies specific to that method-namely adhesive, circuit frames, and adhesive film are spelled out in the detailing of every strategy. Each and every in the course of action steps is enumerated in detail in order that each the PCB repair method actions plus the materials may be used to complete the repair.

Like it? Share it!


Thomas Shaw

About the Author

Thomas Shaw
Joined: March 17th, 2018
Articles Posted: 11,324

More by this author