Design determines cost reduction

A typical approach

A flex layer outside allows: 

  • the use of flexible solder-mask in place of a cover layer  
  • the use of a more cost-effective base material  
  • fewer and simpler production processes  

The preconditions for version 2 are the following designs:

  • Crossovers only in the rigid areas and  
  • 1:1 over the flex area  
  • Omission of unnecessary layers (ground and shielding layers)  

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