Micrometer 5
Micrometer 5 :
General.A micrometer (sometimes expressed using the obsolete term, micron), is one-millionth of ameter and can also be expressed as: (1) 10 -6 meter; (2) One thousandth of a millimeter; (3) One 25-thousandth of an inch. The micrometer is a unit of measure for the core in optical fiber, for which the most common diameter is 62.5 micrometers. It is also used to measure the line width on amicrochip. Intel's Pentium 4 microprocessors are built using 0.18 or 0.13 micrometer line widths. AMD's Athlon uses a 0.18 line width. A human hair is said to be about 50 micrometers wide
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