Melano International

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Category Shopping - Electronics
TypeOfBusinessEntity Private Limited Company (Pvt. Ltd.)
Established (Year) 1998
Address Office # 26, 3rd Floor, Bilal Centre, 9-Nicholson Road, Lahore 54000, Punjab, Pakistan, Lahore, Pakistan
Posted on 7/12/2014 10:20:00 PM
Last updated 7/12/2014 10:20:00 PM
A neon sign is a very simple device. It consists of a vacuum-tight glass tube, fitted at each end with an electrode. Inside the tube is a small amount of rare gas. Connected to the two electrodes is a source of high-voltage electrical power. When the current is turned on, the tube glows with a steady piercing light. The Different Gasses and Their Characteristics The rare gases, neon, argon, helium, xenon and krypton, are ideally suited for use in signs. The two most common gases used in neon signs are neon and argon. While neon is very bright, argon's light is weak due to its low resistance. Neon Gas Neon gas gives off a red glow. This gas is normally contained in tubing that is clear in color, and when illuminated, projects the brightest red color. Argon Gas Almost everything else is filled with argon gas. When you see yellow, blue, green, white or any of several other shades, these tubes are filled with argon gas. Glass Tubing and Electrodes Tubing Diameters or Size Neon tubing comes in various diameters depending upon the application. The tube diameter or size is calculated in millimeters and typically runs from 8 - 11 mm for use in indoor signs and 12 - 13 mm in diameter and for use in large indoor neon signs or outdoor signs and channel letters. Smaller neon tube diameters are easier to bend into written works but are not as distinguishable from a distance. Larger tube diameters are more visible from a distance, and are more effective in illuminating store front letters, but cannot be practically formed into smaller written applications. Larger diameter neon tubing is less brilliant. Colors and Coatings Neon tubing can be created in many different colors, through the use of argon gas and the various internal phosphor coatings on the glass itself. The coatings in the tube appear to be white when non-illuminated. They become other colors once the tube is illuminated and the phosphors become excited. More expensive pigmented glass tubing can be purchas

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