dielectric materials
11Dielectric gas — A dielectric gas, or insulating gas, is a dielectric material in gaseous state. Its main purpose is to prevent or rapidly quench electric discharges. Dielectric gases are used as electrical insulators in high voltage applications, e.g.… …
12Dielectric mirror — Two broadband dielectric mirrors being used in an optics experiment. A dielectric mirror is a type of a mirror composed of multiple thin layers of dielectric material, typically deposited on a substrate of glass or some other optical material. By …
13dielectric heating — noun heating of an insulator by a high frequency electric field • Hypernyms: ↑electrical phenomenon * * * noun : the rapid and uniform heating throughout a nonconducting material by means of a high frequency electromagnetic field, the heat… …
14materials science — the study of the characteristics and uses of various materials, as glass, plastics, and metals. [1960 65] * * * Study of the properties of solid materials and how those properties are determined by the material s composition and structure, both… …
15Dielectric constants of some materials — ▪ Table Dielectric constants of some materials (at room temperature) material dielectric constant vacuum 1.0 air 1.0006 oil 2.2 polyethylene 2.26 beeswax 2.8 fused quartz 3.78 water 80 calcium titanate 168 barium titanate 1,250 See as table: * *… …
16dielectric heating — Elect. the heating of a nonconducting substance caused by dielectric loss when the material is placed in a variable electric field. [1940 45] * * * ▪ physics also called Capacitance Heating, method by which the temperature of an… …
17EIA Class 1 dielectric — The EIA Class 1 dielectric materials are ceramic dielectric materials used in ceramic capacitors of small values (typically <5 nF). The EIA Class 1 dielectrics in general are usually based on titanate formulas (usually titanium dioxide with… …
18EIA Class 2 dielectric — The EIA Class 2 dielectric materials are ceramic dielectric materials used in ceramic capacitors. In comparison with the EIA Class 1 dielectrics they tend to have severe temperature drift, high dependence of capacitance on applied voltage, high… …
19capacitor dielectric and piezoelectric ceramics — ▪ ceramics Introduction advanced industrial materials that, by virtue of their poor electrical conductivity, are useful in the production of electrical storage or generating devices. Capacitors (capacitor) are devices that store… …
20High-k dielectric — The term high κ dielectric refers to a material with a high dielectric constant (κ) (as compared to silicon dioxide) used in semiconductor manufacturing processes which replaces the silicon dioxide gate dielectric. The implementation of high κ… …
