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2. Printed circuit board milling - Wikipedia

   en.wikipedia.org/wiki/Printed_circuit_board_milling

   A milled printed circuit board. Printed circuit board milling (also: isolation milling) is the milling process used for removing areas of copper from a sheet of printed circuit board (PCB) material to recreate the pads, signal traces and structures according to patterns from a digital circuit board plan known as a layout file. [1]

3. 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 ...

4. Point-to-point construction - Wikipedia

   en.wikipedia.org/wiki/Point-to-point_construction

   Historically this could be literally a breadboard, a wooden board with components attached to it and joined up with wire. More recently the term is applied to a board of thin insulating material with holes at standard 0.1-inch pitch; components are pushed through the holes to anchor them, and point-to-point wired on the other side of the board.

5. 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. In this case, the designer positions the components so all leads fall on intersections of a 0.1 inches (2.54 mm) grid.

6. Routing (electronic design automation) - Wikipedia

   en.wikipedia.org/wiki/Routing_(electronic_design...

   In electronic design, wire routing, commonly called simply routing, is a step in the design of printed circuit boards (PCBs) and integrated circuits (ICs). It builds on a preceding step, called placement, which determines the location of each active element of an IC or component on a PCB.

7. Through-hole technology - Wikipedia

   en.wikipedia.org/wiki/Through-hole_technology

   Through-hole (leaded) resistors. In electronics, through-hole technology (also spelled "thru-hole") is a manufacturing scheme in which leads on the components are inserted through holes drilled in printed circuit boards (PCB) and soldered to pads on the opposite side, either by manual assembly (hand placement) or by the use of automated insertion mount machines.