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2. Printed circuit board - Wikipedia

   en.wikipedia.org/wiki/Printed_circuit_board

   Printed circuit board of a DVD player. Part of a 1984 Sinclair ZX Spectrum computer board, a printed circuit board, showing the conductive traces, the through-hole paths to the other surface, and some electronic components mounted using through-hole mounting. A printed circuit board (PCB), also called printed wiring board (PWB), is a medium ...

3. Photolithography - Wikipedia

   en.wikipedia.org/wiki/Photolithography

   Photolithography is the most common method for the semiconductor fabrication of integrated circuits ("ICs" or "chips"), such as solid-state memories and microprocessors. It can create extremely small patterns, down to a few nanometers in size. It provides precise control of the shape and size of the objects it creates.

4. Photoresist - Wikipedia

   en.wikipedia.org/wiki/Photoresist

   Photolithography allows the complex wiring of an electronic system to be rapidly, economically, and accurately reproduced as if run off a printing press. The general process is applying photoresist, exposing image to ultraviolet rays, and then etching to remove the copper-clad substrate. [28] A printed circuit board-4276

5. Photochemical machining - Wikipedia

   en.wikipedia.org/wiki/Photochemical_machining

   Photochemical machining. Photochemical machining (PCM), also known as photochemical milling or photo etching, is a chemical milling process used to fabricate sheet metal components using a photoresist and etchants to corrosively machine away selected areas. This process emerged in the 1960s as an offshoot of the printed circuit board industry.

6. 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]

7. Microstrip antenna - Wikipedia

   en.wikipedia.org/wiki/Microstrip_antenna

   Microstrip antenna. In telecommunication, a microstrip antenna (also known as a printed antenna) usually is an antenna fabricated using photolithographic techniques on a printed circuit board (PCB). [1] It is a kind of internal antenna. They are mostly used at microwave frequencies. An individual microstrip antenna consists of a patch of metal ...