------------------------------------------------------------------------------------------ Gerber File Extension Report For: led_drv.GBR 5/16/2017 9:29:06 PM ------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------ Layer Extension Layer Description ------------------------------------------------------------------------------------------ .GTL Top Layer .GBL Bottom Layer .GTO Top Overlay .GTP Top Paste .GTS Top Solder .GBS Bottom Solder .GBP Bottom Paste .GBO Bottom Overlay .GKO Keep-Out Layer ------------------------------------------------------------------------------------------