Laminate imperfections in printed circuit boards (Laminate Imperfection) refer to internal and external defects that can be observed from the surface of the printed board. There are more than a dozen types of laminate imperfections, including Measling, Crazing, Delamination/Blistering, Foreign Inclusion, Weave Exposure, Mechanically Induced Disrupted Fiber, Scratch, Dent, Tool Mark, Surface void, Color Variation … Read more
The edges of printed circuit boards include the outer edge, the inner milled edge, and the edge of non-plated holes, which are one of the items for visual inspection. Common defects include burr, nick, haloing, crazing, delamination, and blister. Burr: Irregular protrusions or edges on the edges of printed boards caused by processes such as … Read more
Common PCB Issues Quality Issues and Solutions (Part 1) In disputes between electronic product manufacturers and PCB suppliers, quality issues with PCBs have become a high-risk factor that triggers supply chain disputes. Since 2018, the PCB legal team at Maoda Law Firm has handled thousands of various contract disputes arising from quality issues. These real … Read more