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2. Printed circuit board manufacturing - Wikipedia

   en.wikipedia.org/wiki/Printed_circuit_board...

   The finished photomask was photolithographically reproduced onto a photoresist coating on the blank copper-clad boards. A PCB as a design on a computer (left) and realized as a board assembly populated with components (right). The board is double sided, with through-hole plating, green solder resist and a white legend.

3. Perfboard - Wikipedia

   en.wikipedia.org/wiki/Perfboard

   Software for PCB layout can often be used to generate perfboard layouts as well. In this case, the designer positions the components so all leads fall on intersections of a 0.1 inches (2.54 mm) grid. When routing the connections more than 2 copper layers can be used, as multiple overlaps are not a problem for insulated wires.

4. Printed circuit board - Wikipedia

   en.wikipedia.org/wiki/Printed_circuit_board

   A printed circuit board (PCB), also called printed wiring board (PWB), is a laminated sandwich structure of conductive and insulating layers, each with a pattern of traces, planes and other features (similar to wires on a flat surface) etched from one or more sheet layers of copper laminated onto or between sheet layers of a non-conductive ...

5. Stripboard - Wikipedia

   en.wikipedia.org/wiki/Stripboard

   Stripboard is the generic name for a widely used type of electronics prototyping material for circuit boards characterized by a pre-formed 0.1 inches (2.54 mm) regular (rectangular) grid of holes, with wide parallel strips of copper cladding running in one direction all the way along one side of an insulating bonded paper board.

6. Copper pour - Wikipedia

   en.wikipedia.org/wiki/Copper_pour

   Copper pour on a printed circuit board flowing around tracks and pads. Copper pour is sometimes filled using a hatch fill style. In electronics, the term copper pour refers to an area on a printed circuit board filled with copper (the metal used to make connections in printed circuit boards). Copper pour is commonly used to create a ground plane.

7. Via (electronics) - Wikipedia

   en.wikipedia.org/wiki/Via_(electronics)

   A via (Latin, 'path' or 'way') is an electrical connection between two or more metal layers of a printed circuit boards (PCB) or integrated circuit. Essentially a via is a small drilled hole that goes through two or more adjacent layers; the hole is plated with metal (often copper) that forms an electrical connection through the insulating layers.