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March 1999

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TechNet <[log in to unmask]>
Subject:
Soldermask Minimum Thickness
From:
Kelly Kovalovsky <[log in to unmask]>
Date:
Tue, 30 Mar 1999 11:27:43 -0500
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"TechNet E-Mail Forum." <[log in to unmask]>, [log in to unmask]
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My understanding is that the minimum soldermask thickness per IPC A-600E
2.9.10 Class 2 spec is 0.0004" minimum.

My question is whether this criteria applies everywhere on the circuit
board. Does it apply at the "knee" of the circuit?

If this is the criteria in IPC A-600E, why isn't the same criteria
documented in IPC-6012?

Kelly Kovalovsky
Phone 607-757-4595,  FAX 607-757-4621

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