Damascene architecture electronic storage and method for making same

US6955963B2 · kind B2 · utility

Assignees

• COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES · FR
• STMicroelectronics SA

Inventors

• Simon Deleonibus · Le Pont-de-Claix, FR
• Bernard Guillaumot · Le Fontanil, FR

Key dates

• Filing date: Jun 8, 2001
• Grant date: Oct 18, 2005
• Expiry date: Jun 8, 2021

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10D64/037

Abstract

An electronic memory having a source (118) and a drain (120) comprising on a substrate (100) a floating gate (260) and a control gate (264).According to the invention, the floating gate (260) has a substantially U-shaped cross-section defining a space within which the control gate (264) is arranged.