Process Window Index (PWI)

The Process Window Index is a quantifiable, reproducible, statistical measure of how well a thermal profile performs relative to critical process limits. Every thermal profile is ranked on the basis of how it "fits" within the process window. The center of the process window is defined as zero, and the extreme edge of the process window as 99%. A PWI of 100% or more indicates that the profile will not process product within specification. A PWI of 99% indicates that the profile will process product within spec, but it is running at the very edge of the process window. A PWI of 70% indicates a profile is using 70% of the process spec. The PWI tells you exactly how much of your process window a given profile uses, and thus how robust that profile is. The lower the PWI, the better the profile. The thermal process can now be reliably measured, analyzed, compared and tracked with the same level of SPC and Quality Control available to other manufacturing processes.

Category:

Howto & Style

Tags:

• prediction
• optimization
• optimizer
• process
• window
• index
• profile
• profiling
• profiler

[flesknava]

Great video! Very informative and helpful! I hope I had seen this a lot earlier when we purchase SlimKIC 2000...