Integrated approach to yield enhancement

Martha A. Cockerill; Neil Bryan Henis; Carrie Lundquist; Elizabeth D. Marshall; Gus Raad

doi:10.1117/12.186756

14 September 1994 Integrated approach to yield enhancement

Martha A. Cockerill, Neil Bryan Henis, Carrie Lundquist, Elizabeth D. Marshall, Gus Raad

Proceedings Volume 2334, Microelectronics Manufacturability, Yield, and Reliability; (1994) https://doi.org/10.1117/12.186756
Event: Microelectronic Manufacturing, 1994, Austin, TX, United States

Abstract

As integrate circuit geometries, capital for defect detection equipment, and process cycle time decrease simultaneously, prioritizing continuous yield improvement activities becomes essential. One approach for achieving this goal is to integrate yield enhancement resources. The resources available for integration have been failed bit map analysis, inline defect monitoring, molecular contamination detection, and failure analysis. The analytical systems chosen to support these activities have included a scanning electron microscope (JEOL 840FE), an energy dispersive x-ray system (EDAX), a focused ion beam mill (Micrion), a secondary ion mass spectrometer (Cameca IMS3F) -- as well as inspection systems equipped with laser based scanning for pattern anomalies and surface contamination (Tencor Surfscan 7XXX). Combining these techniques and tools facilitates efficient manufacturing process partitioning and root cause analysis leading to continuous improvement.

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Martha A. Cockerill, Neil Bryan Henis, Carrie Lundquist, Elizabeth D. Marshall, and Gus Raad "Integrated approach to yield enhancement", Proc. SPIE 2334, Microelectronics Manufacturability, Yield, and Reliability, (14 September 1994); https://doi.org/10.1117/12.186756

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