Coherent (II-VI): RF / Compound Semiconductor Fab

Schedule CVD Chamber A maintenance before next shift

Thermal anomaly pattern matches pre-failure signatures from 3 prior incidents. Probability of unplanned downtime in next 12 hours: 67%. Estimated cost of failure: $180,000. Cost of preventive intervention: $4,200.

CVD Thermal Fault SOP v2.1

Order Litho Tool 7 stage bearings now

Current vibration trend intersects replacement threshold in approximately 8–11 days. Lead time for bearing P/N BRG-STAGE-NXT is 14 business days. Order immediately to avoid reactive downtime on a P2 tool.

Litho Tool 7 Maintenance History

CVD Chamber B trending toward watch threshold

Health score declined from 84 to 78 over 7 days. No active alert yet. Recommend visual inspection of chamber liner and RF matching network during next scheduled 4-hour window.

CVD PM Procedures v1.3