Printed circuit board silkscreen
help users during assembly. It is used to mark component values, part numbers, test points, Storage conditions polarity, etc. Screen printing does not influence the printed circuit and the possible problems that may appear may be slight discolorations due to the high temperatures for gluing the components, so they are only PCB design problems.
Types of printed circuit board
ground conditions Storage plane or power plane, to achieve better signal integrity, higher signaling frequencies, and better power supply decoupling. In multilayer boards, layers of material are laminated together in an alternating sandwich: copper, substrate, copper, substrate, copper, etc.; each layer of copper is etched and any internal sleepers
Properties of the printed circuit board
laid out in a planar form, such as stripline or microstrip, with dimensions carefully controlled to ensure consistent impedance. In RF and fast switching circuits, the inductance and capacitance of the printed circuit board conductors become significant, usually unwanted, circuit elements; rather, they can be used as