Thin film capacitors
AssigneeThe Penn State Research Foundation
InventorsQiming Zhang, Yash Thakur, James Runt, Tian Zhang
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Abstract
Dielectric capacitors including dielectric compositions with high dielectric constant, low dielectric loss, and high thermal stability are disclosed. The dielectric compositions can include a dipolar polymer having a high glass transition temperature (e.g., Tg>150° C.) in combination with either (i) another dipolar polymer having a high glass transition temperature (e.g., Tg≥150° C.) in the form of a blend, or (ii) the dipolar polymer with an inorganic interfacial agent volume content less than 2 vol % in the dielectric composition.
Claims10
A dielectric capacitor comprising a dielectric composition comprising:
- a blend of at least two dipolar polymers and an interfacial agent, each dipolar polymer having a glass transition temperature (Tg) of at least 150° C., and the interfacial agent present in the amount of less than 2 vol %,
- wherein the blend has a dielectric constant that is at least 40% higher than the dielectric constant of any one of the at least two dipolar polymers and a dielectric loss less than 0.01 when the dielectric loss is measured at any temperature between −50° C. and the Tg of any one of the two dipolar polymers.
A dielectric composition comprising a blend of at least two dipolar polymers and an interfacial agent, each dipolar polymer having a glass transition temperature (Tg) of at least 150° C., and the interfacial agent present in the amount of less than 2 vol %,
- wherein the blend has a dielectric constant that is at least 40% higher than the dielectric constant of any one of the at least two dipolar polymers and a dielectric loss less than 0.01 when the dielectric loss is measured at any temperature between −50° C. and the Tg of any one of the two dipolar polymers and the dielectric composition is in the form of a thin film.
Dependencies are inferred from the claim text.