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Don't add more bureaucracy to standards, government told

Robert E. Parks

Recently I was asked how one can specify the cleanliness level of a surface. After some thought, I had to admit I could not answer the question. It is almost as difficult as defining what a surface is. However, I may be able to shed a little light on the kinds of dirt one is likely to find on optical surfaces and ways to remove it.

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Don't add more bureaucracy to standards, government told

Robert E. Parks

Recently I was asked how one can specify the cleanliness level of a surface. After some thought, I had to admit I could not answer the question. It is almost as difficult as defining what a surface is. However, I may be able to shed a little light on the kinds of dirt one is likely to find on optical surfaces and ways to remove it.

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Publish Date: 01 June 1990


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