kingfield-electronics.co.uk

Website:https://www.kingfield-electronics.co.uk/
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Definitions (201)

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fine pitch


Fine Pitch is a term used to describe a chip package with a lead pitch that is .050 or below, generally between 0.31 and 0.20.
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dmr


DMR is a record holding the technical description of a device controlled by a regulating body.
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enig


ENIG is a form of surface plating used for printed circuit boards and consists of an electroless nickel plating covered with a thin layer of immersion gold to provide protection from oxidisation.
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#


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ac7120


AC7120 is the Nadcap audit criteria for circuit card assembly.
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advanced substrates


Advanced Substrates are a form of printed circuit board materials. They are so named for the superior thermal properties that they offer which enables their use in applications that reuire high-frequency transmission.
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aml


Decided through the supplier evaluation process, the ASL (Approved Supplier List) is a list of suppliers who have passed a qualitative assesment. This list will define who a firm can and cannot use to procure materials or services.
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analog circuit


Analog circuits use continuously variable analog signals to communicate between components. Whilst an analog circuit uses continuous voltages and currents, a digital device’s state is determined by discrete time and values as opposed to a continuous flow.
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annular ring


An annular ring is the ring of copper left as a pad between layers of circuitboard after a hole has been drilled through it. The annular ring will typically surround the via that connects two pads.
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aoi – automated optical inspection


AOI is an automated visual inspection that is used on a variety of components and products such as transistros, LCDs and printed circuit boards. Detects surface defects and missing or incorrect components.
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