Ultrasonic spray coating of liquid precursor for low K dielectric coatings

A process for forming a extremely low dielectric constant film over a substrate. The process includes coating a substrate with a solution comprising a soluble source of silicon oxide, water, a solvent, a surfactant and a catalyst using an ultrasonic spray nozzle. The coated substrate is then subsequ...

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Bibliographische Detailangaben
Hauptverfasser: BARNES MICHAEL, LU YUNFENG, NAULT MICHAEL P, WEIDMAN TIMOTHY, MOGHADAM FARHAD
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A process for forming a extremely low dielectric constant film over a substrate. The process includes coating a substrate with a solution comprising a soluble source of silicon oxide, water, a solvent, a surfactant and a catalyst using an ultrasonic spray nozzle. The coated substrate is then subsequently treated to harden the solution into an extremely low dielectric constant film.