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  2. Solder ball - Wikipedia

    en.wikipedia.org/wiki/Solder_ball

    The solder balls can be placed manually or by automated equipment, and are held in place with a tacky flux. [2] A coined solder ball is a solder ball subject to coining, i.e., flattening to a shape resembling that of a coin, to increase contact reliability. [3] Ball grid array, chip-scale package, and flip chip packages generally use solder balls.

  3. Ball grid array - Wikipedia

    en.wikipedia.org/wiki/Ball_grid_array

    Pre-configured solder balls matching the array pattern can be used to reball BGAs when only one or a few need to be reworked. For higher volume and repeated lab work, a stencil-configured vacuum-head pick-up and placement of loose spheres can be used. Due to the cost of visual X-ray BGA inspection, electrical testing is very often used instead.

  4. List of electronic component packaging types - Wikipedia

    en.wikipedia.org/wiki/List_of_electronic...

    Low-profile fine-pitch ball grid array : A square or rectangular array of solder balls on one surface, ball spacing typically 0.8 mm; Micro ball grid array : Ball spacing less than 1 mm; Thin fine-pitch ball grid array : A square or rectangular array of solder balls on one surface, ball spacing typically 0.5 mm

  5. Component placement - Wikipedia

    en.wikipedia.org/wiki/Component_placement

    Component placement is an electronics manufacturing process that places electrical components precisely on printed circuit boards (PCBs) to create electrical interconnections between functional components and the interconnecting circuitry in the PCBs (leads-pads). The component leads must be accurately immersed in the solder paste previously ...

  6. Embedded wafer level ball grid array - Wikipedia

    en.wikipedia.org/wiki/Embedded_Wafer_Level_Ball...

    Embedded wafer level ball grid array (eWLB) is a packaging technology for integrated circuits. The package interconnects are applied on an artificial wafer made of silicon chips and a casting compound. Principle eWLB. eWLB is a further development of the classical wafer level ball grid array technology (WLB or WLP: wafer level package). The ...

  7. Rework (electronics) - Wikipedia

    en.wikipedia.org/wiki/Rework_(electronics)

    A hot air gun or hot air station is used to heat devices and melt solder, and specialised tools are used to pick up and position often tiny components. A rework station is a place to do this work—the tools and supplies for this work, typically on a workbench. Other kinds of rework require other tools. [1]

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  9. Wire wrap - Wikipedia

    en.wikipedia.org/wiki/Wire_wrap

    Mechanical wire wrap tool Electrical wire wrap tool; pneumatic (air-powered) tools are also available. A "wire wrap tool" has two holes. The wire and 1 ⁄ 4 in (6.4 mm) of insulated wire are placed in a hole near the edge of the tool. The hole in the center of the tool is placed over the post. The tool is rapidly twisted.

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