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Reverse engineering of printed circuit boards (sometimes called “cloning”, or PCB RE) is the process of generating fabrication and design data for an existing circuit board, either closely or exactly replicating its functionality. [1] Obtaining circuit board design data is not by necessity malicious or aimed at intellectual property theft ...
In 1974, Breville released the toasted sandwich maker, which was a huge success, selling 400,000 units in its first year, and making the Breville brand a household name in Australia. Soon after this, the Breville toasted sandwich maker was launched in New Zealand and the United Kingdom , where it was met with similar success.
Parts cleaning is a step in various industrial processes, either as preparation for surface finishing or to safeguard delicate components. One such process, ...
Contact-cleaner, also known as switch-cleaner, is a term for a chemical, or a mixture of chemicals, intended to remove or prevent the build-up of oxides or other unwanted substances on the conductive surfaces of connectors, switches, and other electronic components with moving surface-contacts, and thus reduce the contact resistance encountered.
A reference designator unambiguously identifies the location of a component within an electrical schematic or on a printed circuit board.The reference designator usually consists of one or two letters followed by a number, e.g. C3, D1, R4, U15.
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As an alternative, many circuit board assembly houses coat assemblies with a layer of transparent conformal coating rather than potting. [5] Conformal coating gives most of the benefits of potting, and is lighter and easier to inspect, test, and repair. Conformal coatings can be applied as liquid or condensed from a vapor phase.
These effects can occur both within packaging and on circuit boards. Formation of silicon nodules. Aluminium interconnects may be silicon-doped to saturation during deposition to prevent alloy spikes. During thermal cycling, the silicon atoms may migrate and clump together forming nodules that act as voids, increasing local resistance and ...