- -55%
- New
IPC SM-840E
$93.00
$41.85
Save 55%
IPC SM-840E Qualification and Performance Specifiation of Permanent Solder Mask and Flexible Cover Materials
standard by Association Connecting Electronics Industries, 12/01/2010
Full Description
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.
M00001363
2021-02-27
New product
IPC SM-840E Qualification and Performance Specifiation of Permanent Solder Mask and Flexible Cover Materials
standard by Association Connecting Electronics Industries, 12/01/2010