In the ever-shrinking globe of electronic devices, where miniaturization reigns supreme, a new type of circuit board has arised-- the adaptable published circuit board (versatile PCB), also known as a flex circuit or bendable circuit board. Unlike its rigid cousin, the ubiquitous FR4 PCB, the flexible PCB boasts impressive pliability, http://historydb.date/index.php?title=porterwalther7251