Traditional rigid PCBs are based on glass fiber reinforced materials such as FR4, which provide them with stable mechanical support. Flexible PCBs use polymer materials such as polyimide (PI) and polyester (PET), which allow them to bend, fold and even curl freely. Compared with traditional rigid PCBs, flexible PCBs have shown many significant advantages: light and thin with high density, excellent Dinamična prilagodljivost, poenostavljena povezava in ožičenje ter odlična seizmična odpornost . Vendar pa se oblikovanje in izdelava prilagodljivih PCB soočajo tudi s številnimi izzivi, kot so stabilnost materiala, vzdrževanje celovitosti signala in koncentracija napetosti ., zato je še posebej ključnega pomena, da je skrbna strategija oblikovanja še posebej pomembna za zagotovitev prilagodljivih PCB.

