ACCORDING TO THE FLEXIBILITY
RIGID PCB
Rigid PCBs are made out of strong material which don’t permit PCB from winding. Rigid PCB additionally have distinctive layer arrangement like single layer, twofold layer and multi-layer Rigid PCB. State of this PCB isn’t change after establishment.
Rigid PCB is a kind of Printed Circuit Board, and is the largest number of PCB manufactured. It is made of solid substrate material, which can effectively prevent the distortion of the circuit board. Perhaps the most common rigid PCB is the computer motherboard. The motherboard is a multilayer PCB
Rigid PCB can be used in any position where the PCB itself needs to be set to a shape and maintained during the remaining life of the equipment.
FLEXIBLE PCB
Flexible PCB is otherwise called Flex circuit. This sort of PCB utilized adaptable plastic material like polymide, PEEK (Polyether ether ketone) or straightforward conductive polyester film. The circuit board is by and large place in collapsed or turned.
These types of pcb can be folded in any shape and size .
RIGID FLEX PCB
Mix of Flexible circuit and rigid circuit is most vital board. Flex-inflexible sheets comprises of various layers of flexible PCB joined to various unbending PCB layer. Flex-rigid board is as appeared in figure. It is utilized as a part of mobile phones, advanced cameras and cars and so on.
Rigid flex printed circuit boards are boards using a combination of flexible and rigid board technologies in an application. Most rigid flex boards consist of multiple layers of flexible circuit substrates attached to one or more rigid boards externally and/or internally, depending upon the design of the application.
IN THIS COURSE WE ARE GOING TO COVER ABOUT RIGID PCB AND THEIR DESIGNING IN BRIEF