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  2. 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 ...

  3. Polychlorinated biphenyl - Wikipedia

    en.wikipedia.org/wiki/Polychlorinated_biphenyl

    The European region follows with nearly 450,000 tonnes through 1984. It is unlikely that a full inventory of global PCB production will ever be accurately tallied, as there were factories in Poland, East Germany, and Austria that produced unknown amounts of PCBs.

  4. Printed circuit board manufacturing - Wikipedia

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

    It involves the full assembly of a board into a functional circuit board. In board manufacturing, multiple PCBs are grouped on a single panel for efficient processing. After assembly, they are separated . Various techniques, such as silk screening and photoengraving, replicate the desired copper patterns on the PCB layers.

  5. List of computing and IT abbreviations - Wikipedia

    en.wikipedia.org/wiki/List_of_computing_and_IT...

    PCB—Printed Circuit Board; PCB—Process Control Block; PC DOS—Personal Computer Disc Operating System; PCI—Peripheral Component Interconnect; PCIe—PCI Express; PCI-X—PCI Extended; PCL—Printer Command Language; PCMCIA—Personal Computer Memory Card International Association; PCM—Pulse-Code Modulation; PCRE—Perl Compatible ...

  6. PCB - Wikipedia

    en.wikipedia.org/wiki/PCB

    PCB may refer to: Science and technology. Polychlorinated biphenyl, an organic chlorine compound, now recognized as an environmental toxin and classified as a ...

  7. Motherboard - Wikipedia

    en.wikipedia.org/wiki/Motherboard

    Motherboard means specifically a PCB with expansion capabilities. As the name suggests, this board is often referred to as the mother of all components attached to it, which often include peripherals, interface cards, and daughterboards : sound cards , video cards , network cards , host bus adapters , TV tuner cards , IEEE 1394 cards, and a ...

  8. When does tax filing season start? What you need to know ...

    www.aol.com/does-tax-filing-season-start...

    A new year can mean many new, exciting things. But it also means that tax season is just around the corner. Soon Americans will have to do the yearly task of filing their tax returns for the ...

  9. 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.

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