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Released: 30.04.2007
IPC-SM-840 - Revision D
Qualification and Performance<br>Specification of Permanent Solder Mask
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English Secure PDF
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| Standard Number: | IPC-SM-840 - Revision D |
| DOD Adopted: | No |
| ANSI Approved: | No |
| Revision: | D |
| Released: | 30.04.2007 |
| Pages (English): | 24 |
DESCRIPTION
Superseded by IPC-SM-840-Revision-E
Establishes the requirements for the evaluation of liquid and dry film solder mask material and for the determination of the acceptability of use on a standard printed board system. IPC-SM-840 provides two classes of requirements, T and H, to reflect functional performance requirements and testing severity based on industry/end use requirements. Coverage is given to adhesion, material qualification, resistances to solvents, and electrical requirements. Revision D incorporates resistance requirements to lead free soldering processes. 24 pages. Released April 2007.