https://devzone.nordicsemi.com/f/nordic-q-a/8591/nrf51822-bluetooth-smart-beacon-pcb-infoTwo questions about the smart beacon PCB that is not in the design file. 1.) What PCB material did you use exactly? 2.) What type of solder mask did you use Thank you.en-USTelligent Community 13Thu, 20 Aug 2015 07:17:56 GMThttps://devzone.nordicsemi.com/thread/31441?ContentTypeID=1Thu, 20 Aug 2015 07:17:56 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f1d20159-5a6a-4813-ad18-afad03950369Rune Brandsegg<p>Hi,</p> <p>The material is FR4 -- IPC-4101C/21. The boards are in compliance with IPC 6012A and IPC-A-600 Class 2 specifications.</p> <p>Best regards,</p> <p>Rune</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/31440?ContentTypeID=1Fri, 07 Aug 2015 17:13:41 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f70fff43-fcee-4ad8-ac3c-1576f0d8219bdoughines57<p>What is the IPC spec for the PCB?</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/31439?ContentTypeID=1Fri, 07 Aug 2015 12:38:17 GMT137ad170-7792-4731-bb38-c0d22fbe4515:47a184d8-48b6-4f42-884d-875ebb3b8563&#216;yvind Karlsen<p>Hi,</p> <p>We use FR4 1,6mm PCBs.</p> <p>Best regards,</p> <p>Øyvind</p><div style="clear:both;"></div>