Material and process limits in silicon VLSI technology

doi:10.1109/5.915373

Material and process limits in silicon VLSI technology

2001-03-01

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DOI：10.1109/5.915373

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The integrated circuit (IC) industry has followed a steady path of shrinking device geometries for more than 30 years. It is widely believed that this process will continue for at least another ten years. However there are increasingly difficult materials and technology problems to be solved over the next decade if this is to actually occur and, beyond ten years. there is great uncertainly. about the ability to continue scaling metal-oxide-semiconductor field-effect transistor (MOSFET) structures. This paper describes some of the most challenging materials and process issues to be faced in the future and, where possible solutions are known, describes these potential solutions. The paper is written with the underlying assumption that the basic metal-oxide-semiconductor (MOS) transistor will remain the dominant switching: device used in ICs and it further assumes that silicon will remain the dominant substrate material.

Keywords:

dielectric materials

MOSFETs

semiconductor device doping

semiconductor device fabrication

silicon

Material and process limits in silicon VLSI technology

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