<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">integrated circuits</topic></authority><related type="broader"><topic>computer components</topic></related><variant type="other"><topic>IC</topic></variant><variant type="other"><topic>integrated circuit</topic></variant><variant type="other"><topic>microchips</topic></variant> <note xml:lang="en"><![CDATA[ Electronic components fabricated as a single unit, in which  transistors, diodes, capacitors and resistors are connected on a substrate of semiconductor material, typically silicon. These circuits may be as small as a few square millimeters. Individual circuit components are generally microscopic in size. ]]></note></mads>