PCB V-scoring is a form of PCB panelization that allows you to both fit multiple PCBs onto a single manufactured board and allows you to separate the boards after assembly. It derives its name from the fact that it involves cutting a “V” shaped groove at the top and bottom of the PCB.
In order to V-score a PCB, what is required is a specialized scoring tool with a top and bottom blade.
V-scoring is required to make the printed circuit board assembly process efficient. The process of V-scoring ensures that the assembled boards can be separated using minimal pressure.
Importantly, V-scoring helps with the following:
The PCB V-score can be specified based on the depth of the score or looking at the cross-section.
The standard way to specify the V-score is to cut 1/3rd on top, 1/3rd at the bottom, leaving 1/3rd of the web in the middle. Manufacturers are known to offer a 90 degree and 30 degree score as well. While the ninety-degree score is known to break easier than a 30-degree score, it takes more space on the layout.
The general rules of the thumb for effective PCB V-scoring are as below:
The choice of V-scoring versus tab routing largely depends on the PCB design. The following factors would come in handy in making the right choice:
PCB V-scoring is a major source of cost advantage to electronics manufacturers. It takes away the need for the space needed for routing and therefore offers the ability to add an increased number of rows to the fabrication panel. Wasted laminate is thereby eliminated. Not only does V-scoring save money but also time, as it streamlines the fabrication and processing method.
Technotronix is one of the leading PCB manufacturers in the USA. We have over 4 decades of experience in providing innovative PCB manufacturing services using modern technologies & the latest machinery. We are adhering to strict high-quality standards and compliant with the RoHS (Restrictions of Hazardous Substance) directives. We can fulfil the varied needs of our customers from the simple board to the most complex board for PCB prototype to production. For more information, contact us via email at sales@technotronix.us or call us on 714/630-9200.
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