Artykuły techniczne
Dodatki: Conformal Coatings, Encapsulation Resins
The electronics industry is one of the most rapidly expanding industries to date, with new applications seemingly endless. Printed circuit boards (PCBs) are found in many domestic, industrial, automotive and military devices, to name but a few. In such applications the environments can cause electrical performance to deteriorate due to the absorption of atmospheric moisture or electrostatic attraction of dust. Under extreme conditions, exposure to corrosive atmospheres or harsh chemicals, are just a couple of examples. In order to ensure reliability of these critical devices it is essential that the PCBs are protected to prevent reduced performance or in the worst case, complete failure. This protection can be offered in the form of a conformal coating or potting and encapsulation resins.
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Dodatki: Conformal Coatings
Conformal coatings are protective lacquers used within the electronics industry to protect printed circuit boards (PCBs) and eliminate failures caused by exposure to a variety of environmental conditions. Such conditions can include airborne ionic material, atmospheric moisture and the electrostatic attraction of dust. In more challenging environments however protection from chemicals, extreme humidity or even corrosive atmospheres, such as salt mist, may be required. The coatings are designed to ‘conform’ to the contours of the board, protecting all areas to which they are applied and thereby extended the working life of the PCB.
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Dodatki: Conformal Coatings, Legislation
Most people will have heard about new regulations coming into force relating to controlling the use of organic solvents. These are officially termed the Solvent Emissions Directive (SED), but are sometimes colloquially termed the VOC (volatile organic compound) regulations. The full force of the regulations comes in by October 2007, but the regulations are being phased in gradually – some parts apply already. The object of the regulations is to reduce the emission of solvents into the atmosphere, thus reducing the hazards to the environment and…
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