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Topic: dissolving silicon dioxide  (Read 2785 times)

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Offline mensch1970

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dissolving silicon dioxide
« on: September 23, 2013, 05:07:05 PM »
Is there any way to dissolve silicon dioxide (as in circuit boards).  I know that molten NaOh will dissolve glass, but would (silicon dioxide)circuit boards be vulnerable to this action as well?
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Offline Hunter2

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Re: dissolving silicon dioxide
« Reply #1 on: September 24, 2013, 07:10:52 AM »
Yes it would also be attacked. But more efficient, but also more dangerous is to use hydrofluoric acid H2F2.
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Offline DrCMS

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Re: dissolving silicon dioxide
« Reply #2 on: September 24, 2013, 10:44:40 AM »
Quote from: mensch1970 on September 23, 2013, 05:07:05 PM
Is there any way to dissolve silicon dioxide (as in circuit boards). 

What makes you think that circuit boards are made from silicon dioxide?
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Offline Hunter2

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Re: dissolving silicon dioxide
« Reply #3 on: September 24, 2013, 10:48:08 AM »
Yes good hint. Normaly made by epoxy glass compound, like FR4, Polyimide, Getek, Teflon, and others.
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