Improvement of the tail component in retention time distribution using Buffered N- Implantation with Tilt and Rotation (BNITR) for 0.2 um DRAM cell and beyond

Ilgweon Kim, Namsung Kim, Hyuckchai Jung, Hoyup Kwon, Seunghan Ok, Jongmin Kim, Pilbo Sim, Jooseog Park, Daeyoung Park, Sungho Jang

Research output: Contribution to journalConference articlepeer-review

3 Scopus citations

Abstract

The novel junction process scheme in DRAM memory cell with 0.2 um design rule and STI (Shallow Trench Isolation) has been investigated to improve the tail component of DRAM retention time distribution. In this paper, we propose BNITR (Buffered N- Implantation with Tilt and Rotation) process scheme that is designed on the basis of the local field-enhancement model of the tail component and report an excellent improvement effect in tail distribution of retention time without device degradation.

Original languageEnglish
Pages (from-to)86-87
Number of pages2
JournalDigest of Technical Papers - Symposium on VLSI Technology
StatePublished - 2000
Externally publishedYes
Event2000 Symposium on VLSI Technology - Honolulu, HI, USA
Duration: 13 Jun 200015 Jun 2000

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