In the ever-shrinking globe of electronics, where miniaturization preponderates, a new type of motherboard has emerged-- the flexible printed circuit board (versatile PCB), additionally called a flex circuit or flexible circuit card. Unlike its stiff cousin, the ubiquitous FR4 PCB, the flexible PCB flaunts remarkable pliability, permitting it to adapt https://www.webwiki.de/www.hemeixinpcb.com/company/news/what-are-hdi-pcb-boards.html