Sometimes these types of heat sinks are referred to as a HSF, which is short for heat sink and fan. Passive heat sinks are 100% reliable, as they have no mechanical components. Passive heat sinks are made of an aluminum-finned radiator that dissipates heat through convection.
Schist is a metamorphic rock that contains flakes of mica. Schist can originate as a sedimentary rock or igneous rock. <a href=http://www.softschools.com/facts/geology/schist_rock_facts/387/>Schist Rock Facts</a>. Handwriting.
Mica is a group of natural minerals. Silver mica capacitors are capacitors which use mica as the dielectric. There are two types of mica capacitors: clamped mica capacitors and silver mica capacitors.Clamped mica capacitors are now considered obsolete due to their inferior characteristics.ica minerals are very stable electrically, chemically and mechanically. Because of its specific crystalline structure binding, it has a typical layered structure. This makes it possible to manufacture thin sheets in the order of 0.025-0.125 mm. The most commonly used are muscovite and phlogopite mica.