hatslope9 – https://hdicircuitboard.com/what-is-flexible-pcb/

A printed circuit board, or PCB, is the foundation of most modern-day electronics. When people ask “what is a PCB,” “what does PCB mean,” or “what is a PCB board,” they are normally describing the flat board that mechanically sustains and electrically connects electronic components. In electronics, the PCB full form is printed circuit board, and in day-to-day use, terms like PCB board, motherboard, PC board, and electronics PCB all factor to the same core idea: a layered board that directs signals and power in between components such as resistors, capacitors, integrated sensing units, ports, and circuits. Without pcb flexible , a lot of electronic items would be bulky, unstable, and much more challenging to manufacture. A PCB defines the physical framework of the tool’s circuitry, making it feasible to build whatever from smartphones and medical devices to commercial controllers, automobile components, and high frequency printed motherboard systems used in radio and microwave applications.