Lanthanide oxide dissolution from glass surface
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United States of America Patent
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Jun 11, 2002
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N/A
app pub date -
Jun 8, 2000
filing date -
May 19, 2000
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Abstract
A method and product for computer disk drives. Glass substrates are provided having low content of residual polishing particles on the surfaces thereof. An exemplary method includes reduction of residual polishing particle content by immersion of the glass substrate in an acid bath containing nitric acid, hydrogen peroxide and an organic acid having a carboxylic acid group.
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