Thin-Core Multilayer PCBs: Enabling Wearables Without Sacrificing Performance
Jan 15,2026
Consumers demand slimmer smartwatches and AR glasses, forcing designers to use 4-layer boards under 0.3mm. Warpage and layer alignment become critical...
Kartain produces 4-layer HDI as thin as 0.15mm with laser-drilled microvias and tight registration control.


