SEMATECH DOC ID #: 98023456A-ENG

Title: The Effects of Ergonomic Stressors on Process Tool Maintenance and Utilization

Author(s): Dwight Miller;

Document date: 03/31/1998

Descriptor(s): ergonomics;maintenance;cost analysis;Overall Equipment Effectiveness;productivity analysis;

Abstract:  This study examines ergonomic stressors associated with front-end process
tool maintenance, relates them to decreased machine utilization, and proposes
solution strategies to reduce their negative impact on productivity. Member
company ergonomists observed technicians performing field maintenance tasks
on seven different bottleneck tools and recorded ergonomic stressors using
SEMaCheck, a graphics-based, integrated checklist developed by Sandia
National Laboratories. The top ten stressors were prioritized according to a
cost formula that accounted for difficulty, time, and potential errors.
Estimates of additional time on a task caused by ergonomic stressors
demonstrated that machine utilization could be increased from 6% to 25%.
Optimal solution strategies were formulated based on redesign budget,
stressor cost, and estimates of solution costs and benefits.

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