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IPC-SM-840E

Qualification and Performance Specification of Permanent Solder Mask and Flexible Cover Materials
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IPC-SM-840E

Qualification and Performance Specification of Permanent Solder Mask and Flexible Cover Materials

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Qualification and Performance Specification of Permanent Solder Mask and Flexible Cover Materials
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 E incorporates requirements for flexible cover materials used as a flexible dielectric protective layer over etched conductors and other conductive features.19 pages. Released December 2010.
SDO IPC: Institute for Interconnecting and Packaging Electronic Circuits
Document Number SM840
Publication Date Not Available
Language en - English
Page Count
Revision Level E
Supercedes
Committee
Publish Date Document Id Type View
Not Available IPC-SM-840E Revision
Not Available IPC-SM-840D Revision
Not Available IPC-SM-840C Revision
Not Available IPC-SM-840E Revision