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Scoring Small Circuit Boards on Panels

  
Custom PCB :: Electronic Fabrication Many assembly houses request that printed circuit boards be built on panels with a border. Deciding how many boards can fit on a panel can be quite complicated. We suggest that you consult with your assembly house regarding any suggestions or requirements that they may have. In addition here are a few suggestions that might help make this process easier.
  • The dimensions of the individual boards should include the beveled edge that results from the scoring process. It is best if you can allow .025" from the score line to any copper, we require .015¡± for boards .062¡± thick or less, .020¡± for .093¡± or less and .025¡± for .125¡± or less.
  • When determining how close to the score you can place components, you need to consider the de-panelization method, fragility of the components and parts placement method of each component. In most cases, your assembly house can provide the most accurate information in terms of scoring for components.
  • It is best if you can leave at least .020" from any conductors on the inner layers to the edge of the board.
  • When looking into how you can combine the boards into panels, we prefer that the files be submitted already panelized. That way you can add fiducials, tooling holes, etc. exactly where you need them.

    • Note: Score lines will continue all the way across your array. If the score line cannot be continuous across the entire array (for example, if a part is rotated in part of the array) this will increase process time and price.

    No fiducials or tooling holes will be added unless specifically requested. Fiducials and/or tooling holes can be added to prototypes for a small additional engineering charge. Please contact your sales representative for details.

    		 
     
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