In the ever-shrinking globe of electronics, where miniaturization reigns supreme, a brand-new type of motherboard has actually emerged-- the flexible printed circuit board (flexible PCB), also referred to as a flex circuit or bendable circuit card. Unlike its inflexible relative, the ubiquitous FR4 PCB, the versatile PCB boasts outstanding pliability, https://www.webwiki.de/www.hemeixinpcb.com/company/news/what-are-hdi-pcb-boards.html