Ounce is a unit of weight. Why is it used to represent thickness in PCB? - PCBSky
Double-Sided PCB Full Tin Spraying 6pcs Probes 1.5 Oz Copper Thickness Field Probe Conduction Probe Antennas For Electronics Circuit Control - Walmart.com
Buy Wholesale China Single-sided Pcbs With Fast Lead Time Have Al.fr4 Material 0.6-3.2mm Thickness Hal Osp Enig Finish Min Solder Mask Bridge 0.1mm & High Frequency Printed Circuit Board at USD 0.1
14L High Density HDI Immersion Gold PCB with 1.5oz Finished Copper Thickness - VictoryPCB