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2. Photoengraving - Wikipedia

   en.wikipedia.org/wiki/Photoengraving

   The same procedure is used to make printed circuit boards, foil-stamping dies and embossing dies. It is also used to make nameplates, commemorative plaques and other decorative engravings. It can be used to make flat springs, levers, gears and other practical components that would otherwise be fabricated from sheet metal by cutting, drilling ...

3. 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]

4. Printed circuit board - Wikipedia

   en.wikipedia.org/wiki/Printed_circuit_board

   Through-hole (leaded) resistors Through-hole devices mounted on the circuit board of a mid-1980s Commodore 64 home computer A box of drill bits used for making holes in printed circuit boards. While tungsten-carbide bits are very hard, they eventually wear out or break. Drilling is a considerable part of the cost of a through-hole printed ...

5. Phenolic paper - Wikipedia

   en.wikipedia.org/wiki/Phenolic_paper

   The back of two circuit boards. The brown one is an FR-2 made of paper phenol. Phenolic paper is a material often used to make printed circuit board substrates (the flat board to which the components and traces are attached). It is a very tough board made of wood fibre and phenolic polymers. It is most commonly brown in colour, and is a fibre ...

6. Depaneling - Wikipedia

   en.wikipedia.org/wiki/Depaneling

   A depaneling router is a machine similar to wood router. It uses a router bit to mill the material of the PCB. The hardness of the PCB material wears down the bit, which must be replaced periodically. Routing requires that single boards are connected using tabs in a panel. The bit mills the whole material of the tab.

7. Wood carving - Wikipedia

   en.wikipedia.org/wiki/Wood_carving

   Woodcarver at work Wood sculpture made by Alexander Grabovetskiy. Wood carving is a form of woodworking by means of a cutting tool (knife) in one hand or a chisel by two hands or with one hand on a chisel and one hand on a mallet, resulting in a wooden figure or figurine, or in the sculptural ornamentation of a wooden object.