Patent Number: 6,617,192

Title: Electrically programmable memory element with multi-regioned contact

Abstract: An electrically operated memory element having a contact in electrical communication with a memory material programmable to at least a first resistance state and a second resistance state. Preferably, the contact includes at least a first region having a first resistivity and a second region having a second resistivity greater than the first resistivity where the more resistive region is adjacent to the memory material.

Inventors: Lowrey; Tyler (Troy, MI), Hudgens; Stephen J. (Troy, MI), Klersy; Patrick J. (Troy, MI)

Assignee: Ovonyx, Inc.

International Classification: G11C 11/56 (20060101); H01L 45/00 (20060101); H01L 27/24 (20060101); H01L 021/00 ()

Expiration Date: 09/09/2020