Crystalline composition, device, and associated method

US8039412B2 · kind B2 · utility

Assignee

• Momentive Performance Materials GmbH · US

Inventors

• Dong-Sil Park · Schenectady, US
• Mark P. D'Evelyn · Fremont, US
• Myles Standish Peterson, II · Amsterdam, US
• John Thomas Leman · Schenectady, US
• Fred Sharifi · Niskayuna, US

Key dates

• Filing date: Dec 20, 2005
• Grant date: Oct 18, 2011
• Expiry date: Mar 31, 2028

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C04B2235/785
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

A composition including a polycrystalline metal nitride having a number of grains is provided. These grains have a columnar structure with one or more properties such as, an average grain size, a tilt angle, an impurity content, a porosity, a density, and an atomic fraction of the metal in the metal nitride.