In terms of assembly cleanliness, what does IPC-A-610 emphasize?

IPC-A-610 emphasizes the importance of the absence of visible foreign matter in maintaining assembly cleanliness. Cleanliness is crucial in electronic assemblies because contaminants can lead to functional failures, reliability issues, and degraded performance. Foreign matter, such as dust, lint, and other particles, can interfere with the electrical connections and affect the overall quality of the assembly. By establishing that there should be no visible foreign matter, IPC-A-610 sets a standard to ensure the reliability and functionality of electronic products.

While the labeling of components, the use of lightweight materials, and specific adhesives play essential roles in assembly processes, they do not directly address the core issue of cleanliness as defined in IPC-A-610. Cleanliness is a foundational aspect that supports the other factors in ensuring the integrity and performance of electronic assemblies.