IEC 60749-39:2021 RLV 
Redline version

Semiconductor devices - Mechanical and climatic test methods - Part 39: Measurement of moisture diffusivity and water solubility in organic materials used for semiconductor components


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IEC 60749-39:2021 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.

IEC 60749-39:2021 details the procedures for the measurement of the characteristic properties of moisture diffusivity and water solubility in organic materials used in the packaging of semiconductor components. These two material properties are important parameters for the effective reliability performance of plastic packaged semiconductors after exposure to moisture and being subjected to high-temperature solder reflow. This edition includes the following significant technical changes with respect to the previous edition:
- updated procedure for "dry weight" determination.

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Additional information

Publication typeInternational Standard
Publication date2021-11-29
Available language(s)English
TC/SCTC 47 - Semiconductor devicesrss
ICS31.080.01 - Semiconductor devices in general
Stability date  2026
File size1456 KB

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