Trench isolation implantation

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United States of America Patent

PATENT NO 9514976
APP PUB NO 20140241053A1
SERIAL NO

14190801

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Abstract

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Embodiments of the disclosure include a shallow trench isolation structure having a dielectric material with energetic species implanted to a predetermined depth of the dielectric material. Embodiments further include methods of fabricating the trench structures with the implant of energetic species to the predetermined depth. In various embodiments the implant of energetic species is used to densify the dielectric material to provide a uniform wet etch rate across the surface of the dielectric material. Embodiments also include memory devices, integrated circuits, and electronic systems that include shallow trench isolation structures having the dielectric material with the high flux of energetic species implanted to the predetermined depth of the dielectric material.

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Patent Owner(s)

  • MICRON TECHNOLOGY, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Sandhu, Gurtej S Boise, US 1216 32355
Smythe,, III John A Boise, US 35 283

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