1637 Sand Key Estates Ct. Clearwater, Fl 33767
The following chart describes the patterns you could observe if you looked through an optical flat at a lapped mechanical seal face that was illuminated by a monochromatic light source. For an explanation of how these patterns were formed you can read the paper Reading seal face flatness 6-3 on another page in this web site.
I have left the white background to assist you in seeing the patterns a bit easier.
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1 Helium light band |
2 Helium light bands |
3 Helium light bands |
4 Helium light bands |
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The Mc Nally Institute
1637 Sand Key Estates Ct. Clearwater, Fl 33767