Gold And Its Uses

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foot sheet.
Gold is the most reflective and least absorptive material of infrared (or heat) energy. High purity gold reflects up to 99% of infrared rays. Gold is also an excellent conductor of thermal energy or heat. Since many electronic processes create heat, gold is necessary to transfer heat away from delicate instruments. Gold alloy is the most tenacious and long-performing material available for protection of these temperatures.
Geologists use the latest technology such as satellite surveys and geochemistry to locate an ore deposit. Computers are used to design the mine, which requires precise and accurate measurement of the ore deposit. Construction begins following the lengthy process of receiving permits. As holes are drilled for blasting, samples of ore are examined to determine grade and metallurgical characteristics. The broken rock is marked by type for efficient processing. Based on its metallurgical makeup, a dispatcher directs truck operators to deliver the ore to ...

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pure gold.
The prime use is in electronics. Our age of high technology finds it indispensable in everything from pocket calculators to computers, washing machines to television and missiles to spacecraft. The rocket engines of American space shuttles are lined with 35% gold brazing alloys to reflect the 3300° heat, and the lunar modules of the Apollo program that put men on the moon were shrouded with gold foil acting as a radiation shield. (World Gold Council) More commonly, the humble touch telephone in your home typically contains 33 gold-plated contacts. The plating of such contacts in switches, relays and connectors is the major application of gold in electronics. Contacts are ...

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