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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. Automated optical inspection - Wikipedia

    en.wikipedia.org/wiki/Automated_optical_inspection

    Automated optical inspection. Automated optical inspection (AOI) is an automated visual inspection of printed circuit board (PCB) (or LCD, transistor) manufacture where a camera autonomously scans the device under test for both catastrophic failure (e.g. missing component) and quality defects (e.g. fillet size or shape or component skew).

  4. Chip on board - Wikipedia

    en.wikipedia.org/wiki/Chip_on_board

    The PCB of a quartz watch. The clock IC is under the drop of black epoxy. Chip on board (COB) is a method of circuit board manufacturing in which the integrated circuits (e.g. microprocessors) are attached (wired, bonded directly) to a printed circuit board, and covered by a blob of epoxy. [1]

  5. Tape-automated bonding - Wikipedia

    en.wikipedia.org/wiki/Tape-automated_bonding

    Tape-automated bonding (TAB) is a process that places bare semiconductor chips (dies) like integrated circuits onto a flexible circuit board (FPC) by attaching them to fine conductors in a polyamide or polyimide (like trade names Kapton or UPILEX) film carrier. This FPC with the die (s) (TAB inner lead bonding, ILB) can be mounted on the system ...

  6. Wafer-level packaging - Wikipedia

    en.wikipedia.org/wiki/Wafer-level_packaging

    A wafer-level package attached to a printed-circuit board. Wafer-level packaging (WLP) is a process in integrated circuit manufacturing where packaging components are attached to an integrated circuit (IC) before the wafer – on which the IC is fabricated – is diced. In WLP, the top and bottom layers of the packaging and the solder bumps are ...

  7. Solder mask - Wikipedia

    en.wikipedia.org/wiki/Solder_mask

    Solder mask, solder stop mask or solder resist is a thin lacquer -like layer of polymer that is usually applied to the copper traces of a printed circuit board (PCB) for protection against oxidation and to prevent solder bridges from forming between closely spaced solder pads. Soldermask [2] is a printed circuit board (PCB) manufacturing ...

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