Presents two novel sophisticated experimental procedures for precise estimation of Si interstitial and vacancy diffusion coefficients, supported with a result from a three-dimensional process simulation system. One is impurity profile monitoring under well-controlled injected flux of point defects in three dimensional space, while the other one is in-situ TEM (transmission electron microscope) observation of the regrowth region damaged with Si ion-implantation. The authors also present a proposal for nonequilibrium Si self-diffusion process modeling based on these results. Application of the model to the ULSI process design phase is discussed.<
Published in:
Electron Devices Meeting, 1990. IEDM '90. Technical Digest., International
Date of Conference: 9-12 Dec. 1990