EUROLAB, with its state-of-the-art accredited laboratories and expert team, provides precise and fast testing services within the scope of IEC EN 61189-3-301 testing. IEC EN 61189-3-301 outlines a way to determine the non-uniform appearance in both gloss and color on coated metal surfaces in printed circuit boards (PWBs). The method is applicable to gold, nickel and copper plating in PWBs.
IEC EN 61189-3-301 is a standard that specifies test methods for electrical materials, printed boards and other interconnect structures and assemblies. The standard provides a set of guidelines for evaluating the appearance of coated surfaces in printed cable boards (PWBs) and other interconnect structures.
The appearance inspection method described in this standard aims to evaluate the visual quality of coated surfaces on PWBs. The method involves the use of a stereo microscope to examine the surfaces of PWBs as well as visual inspection under normal and magnified lighting conditions.
The standard outlines certain criteria for evaluating the appearance of coated surfaces, including:
The appearance inspection method described in this standard is useful for detecting defects that are visible to the naked eye, such as poor coating coverage or gaps in the coating. However, it may not be sufficient to identify defects that are not visible to the naked eye, such as microcracks or voids under the coating surface.
In general, the appearance inspection method described in IEC EN 61189-3-301 is an important tool for assessing the quality of coated surfaces on PWBs and other interconnect structures. By following the guidelines set forth in this standard, manufacturers can ensure that their products meet required quality standards and are suitable for use in a wide variety of electronic applications.
EUROLAB assists manufacturers with IEC EN 61189-3-301 test compliance. Our test experts, with their professional working mission and principles, provide you, our manufacturers and suppliers, the best service and controlled testing process in our laboratories. Thanks to these services, businesses receive more effective, high-performance and quality testing services and provide safe, fast and uninterrupted service to their customers.
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