Compounds derived from ammonia. They contain a basic nitrogen atom and can be
A substance added to something in small quantities to improve or preserve it.
A repeating unit in a polymer chain. The term monomer is derived from the Greek
An organic compound consisting exclusively of the elements carbon and
When identical simple molecules (monomers) come together and link up in a
Chemicals derived from plant and animal fats. They are analogous to petrochemicals
A pigment is a material that changes the color of reflected or transmitted light as
An organic compound added to a high polymer both to facilitate processing and
A substance capable of dissolving another substance (solute) to form a uniformly
A hard, unreactive, colorless compound that occurs as the mineral quartz and as a
Any number of polymers containing alternate silicon and oxygen atoms, with
The particular mixture of liquids that gives the desired flow or evaporation properties.
A file in the Gerber Format that is used as a universal way of telling manufacturers how
Short for surface-active agent, surfactants are used to describe a chemical that will
A path made of copper on a PCB. It is used in the same manner as electrical wires, to
A hole with copper inside to provide electrical connection between a trace on
Pads are used to solder surface mount devices to the board.
Markings of component names, values and outlines on a PCB for simpler assembly
A substance that solder won’t stick to. Used to make sure traces are insulated
A layer on top of pads to prevent the copper layer from oxidation.
A PCB with traces and pads on both sides of the board in addition to traces on layers
Manufacturers often create one huge PCB with many identical board designs on it.
A PCB with traces and pads only on one side of the board.
A PCB with traces and pads on both sides of the board.
Is the most common type of all Metal Core PCB (MCPCB) also known as IMS (Isolated
Some companies offer Printed Circuit Board Assembly (PCBA). This basically
The most commonly used material for creating PCBs.
Restriction of Hazardous Substances. A European law intended to protect the environment.
A Semi-Flex circuit is made by thinning a portion of a rigid FR4 PCB down to
PCB’s with higher density than a normal pcb, line and space smaller than 120µ, via’s
Made out of Conductive Strips of metal , usually Copper , encapsulated with an
In a Rigid Flex PCB , a flex PCB acts as a cable, a link between one and several
Radio Frequency and microwave PCBs are a special and innovative type of PCB
