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  2. Computer case - Wikipedia

    en.wikipedia.org/wiki/Computer_case

    Inside a gaming case during gameplay. 360° photograph. A full tower case. Accessories shown include: a fan controller, a DVD burner, and a USB memory card reader.. Cases can come in many different sizes and shapes, which are usually determined by the form factor of the motherboard since it is physically the largest hardware component in most computers. Consequently, personal computer form ...

  3. Battery holder - Wikipedia

    en.wikipedia.org/wiki/Battery_holder

    Energizer batteries in twin cell holder with battery hold down strap. Design of the battery holder requires knowledge of how and where the larger product will be used. Human factors to be considered include ease of battery exchange, age range and physical condition of the intended user.

  4. Computer tower - Wikipedia

    en.wikipedia.org/wiki/Computer_tower

    A mid-tower computer case from c. 2011. In personal computing, a tower unit, or simply a tower, is a form factor of desktop computer case whose height is much greater than its width, thus having the appearance of an upstanding tower block, as opposed to a traditional "pizza box" computer case whose width is greater than its height and appears lying flat.

  5. Semiconductor package - Wikipedia

    en.wikipedia.org/wiki/Semiconductor_package

    A semiconductor package is a metal, plastic, glass, or ceramic casing containing one or more discrete semiconductor devices or integrated circuits.Individual components are fabricated on semiconductor wafers (commonly silicon) before being diced into die, tested, and packaged.

  6. Integrated circuit packaging - Wikipedia

    en.wikipedia.org/wiki/Integrated_circuit_packaging

    The integrated circuit package must resist physical breakage, keep out moisture, and also provide effective heat dissipation from the chip. Moreover, for RF applications, the package is commonly required to shield electromagnetic interference, that may either degrade the circuit performance or adversely affect neighboring circuits.

  7. Edge case - Wikipedia

    en.wikipedia.org/wiki/Edge_case

    An edge case is a problem or situation that occurs only at an extreme (maximum or minimum) operating parameter.For example, a stereo speaker might noticeably distort audio when played at maximum volume, even in the absence of any other extreme setting or condition.

  8. Casing head - Wikipedia

    en.wikipedia.org/wiki/Casing_head

    Casing heads are the primary interface for the surface pressure control equipment, for example blowout preventers (for well drilling) or the Christmas tree (for well production). The casing head, when installed, is typically tested to very strict pressure and leak-off parameters to insure viability under blowout conditions, before any surface ...

  9. Piling - Wikipedia

    en.wikipedia.org/wiki/Piling

    Casing is often used when the sides of the borehole are likely to slough off before concrete is poured. For end-bearing piles, drilling continues until the borehole has extended a sufficient depth (socketing) into a sufficiently strong layer. Depending on site geology, this can be a rock layer, or hardpan, or other dense, strong layers. Both ...