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  • IPC SM-840D

IPC SM-840D

Qualification and Performance Specification of Permanent Solder Mask

Association Connecting Electronics Industries, 04/01/2007

Publisher: IPC

File Format: PDF

$34.00$69.00


Published:01/04/2007

Pages:16

File Size:1 file , 260 KB

Note:This product is unavailable in Russia, Ukraine, Belarus

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.

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