Tuesday, December 14, 2010

Weak current College】 【anti-static mat grounding way radio station】.

<br> «Ò» ¡ .¢ anti-static radio pad laying method: <br> <br> In desktop laying anti-static mat, then the radio station surface anti-static grounding on one button, another termination to Earth conductor, so put together on the desktop of electrostatic .grounding through electrostatic discharge out its principle: <br> <br> 1. Green surface absorption for storage, its surrounding the static desktop resistance 107-109 cm Ω; <br> <br> 2, black bottom as conductor ≤ c 106 Ω .m, as the conductor can quickly absorb electrostatic discharges; <br> <br> 3, grounding line end anti-static radio pad at one end attached to the Earth, so the static electricity through the successful receipt of wire to the Earth for venting .so that the desktop around static discharge through this principle. <br> <br> Second, anti-static mats laying method <br> <br> 1. basic requirements of: <br> <br> ① base surface for surface grinding with .ground, porcelain, wooden floor. <br> ② the floor must be flat, without obvious concavo-convex, roughness than the equator. <br> ③ the ground should have sufficient strength, no sand, shelling. <br> ④ the floor .must be dry. <br> <br> 2. work procedures and specific method: <br> <br> ① use 120 # gasoline or xylene cleans the ground of impurities (with washing machine); <br> ② the ground laying with .copper or aluminium strips, such as the Strip thickness is 0.02mm, width is 30 mm, number according to the ground laying the actual requirements for the determination of the length and amount, with the laying of copper bar end of toward Earth. <br .> ③ earthing conductive network after laying, clean and dry ground, conductive glue to dry 20-30 minutes, non-stick, anti-static and bottom side (black surface) the same operation as (coloured conductive adhesive once), then take anti .-static rubber plate and surface adhesion, and then use heavy rollers rolling 5 times, antistatic rubber sheet surface neat straight away, at room temperature and 48 hours later it can be used. <br> ④ environment temperature requirements when construction is not less than .25 ° c humidity not higher than and good ventilation. <br> ⑤ conductive adhesive liquid resistance coefficient of not more than 108 Ω cm, anti-stripping strength Kg/2.5cm. <br> ⑥ the gap between the conductive, using coloured Conductive .glue, or you can paste in the Strip surface. <br> <br>.

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