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| BGA : in microelectronics, a matrix of balls (BGA) indicates a type of case allowing the soldering directly of this one on the printed circuit. A case BGA consists of one or several layers of interconnections between the flea and the matrix of balls. |
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| CAD : the electronic CAD (for electronic Computer-Aided Design) is the category of tools being of use to the conception and the production of the electronic systems going printed circuits up to integrated circuits. |
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| CEM : the electromagnetic compatibility (CEM) is the capacity of a device or an electric or electronic system to work in its electromagnetic environment in a satisfactory way and without producing itself unbearable electromagnetic disturbances for all which is in this environment. |
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| CMS : the Component Taken Up on surface indicates a technology of manufacturing of the electronic cards and, by extension a type of components used by the electronics industry. |
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| Co-traitance : collaboration for companies which share, at some point, public interests |
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| Condenser : together of two conductive surfaces or armatures, separated by an insulating material. |
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| Electronic : The electronics is a technical science or a science of the engineer, which studies and conceives the structures making treatments of electric signals, that is currents or voltages, carriers of information or energy. |
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| Electronic sensor : electronic device of detection and measure. |
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| Embarked system : autonomous electronic and IT system, which is dedicated to a very precise task. The embarked systems very often appeal to the computing, in particular to the real-time systems. |
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| Etuvage : action to subject a substance to the heat of a steam room. |
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| GERBER file : plan of the printed circuit. |
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| Hardware : indicates all which is a part of the equipment, in a computer system. Opposite to software. |
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| Lacquering : operation consisting in protecting the equipments against the attacks due to stays or to uses in severe environments. |
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LED : for Light-Emitting Diode. Is an electronic component, a diode, capable of emitting some light when it is crossed by an electric current.
The LED produces an inconsistent monochromatic radiation from a conversion of energy.
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| ORCAD : software of conception of the printed circuit. |
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| Prototype : a prototype indicates the first one, or one of the first copies of an industrial product. This copy allows to make tests to validate the choices of conception of the group. The prototype precedes the pre-series. |
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| ROHS : directive meaning Restriction of the Use of certain Hazardous Substances in electrical and electronic equipment. |
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| Routing : constitution of a data link between exchanges by joining end to end of several sections. |
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| Software : indicates the software programs. |
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| Test in situ : consist in testing individually the components which it contains as well as the quality of the connections. |
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| Test rigs : physical system allowing to prepare a product of use to test him |
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| The Resistance : the resistance qualifies the opposition to the passage of the electric current. |
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