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Single side & double sided PCBs with polymer technologies holes
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- Standard : track width ≥ 200 microns CEM1, FR1
- High density with fine tracks < 200 microns CEM1, FR1, FR4
- With conductive jumpers : carbon ink, silver or copper polymer paste.
- Double sided PCBs with polymer holes (STH with silver paste, CPTH with copper paste) :
- Standard : CEM1, FR1, pitch 1.5 mm, silver hole diameter 0.5 mm or 0.7 mm, copper pads 1.2 mm, tracks ≥ 200 microns
- High density : CEM1, FR1, CEM3, pitch 1.2 mm, silver or copper hole diameter 0.5 mm, copper pads 1 mm, tracks < 200 microns. ( Japanese roller coater technology.)
- Special low cost single side consumer PCBs :
- Carbon through holes and second layer with carbon ink
- Silver through holes and second layer with carbon ink. ( Sony technology for remote control or front panel )
- Silver through holes and second layer with silver jumpers
 
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