[Column] What is the Role of Solder Resist? Introducing Its Importance, Types, and Characteristics
What is the role of solder resist? Introducing its importance, types, and characteristics! / Leave the design, development, and manufacturing of printed circuit boards to Nippo! /
Solder resist is an ink or film-like protective material applied to the surface of printed circuit boards (PCBs) that serves to protect the circuits on the substrate. During the soldering process, there is a risk of short circuits due to solder bridges, but the presence of solder resist prevents shorts between circuits, thereby enhancing the reliability of the product. It also effectively protects the substrate from moisture and chemicals, contributing to corrosion prevention. There are two types of solder resist: "liquid type" and "film type." < Liquid Type > This type involves applying ink-like material using screen printing or spraying, making it suitable for complex-shaped substrates. Many products contain components with high heat resistance and chemical resistance tailored to specific applications, characterized by flexibility during the assembly process. < Film Type > The film type involves adhering sheet-like resist to the substrate and curing it with UV light. It allows for uniform and high-precision application, making it suitable for fine patterns and high-density substrates. A benefit is that there are fewer processes using release agents, resulting in a clean finish. Nippo conducts the design, development, and manufacturing of printed circuit boards. Please feel free to contact us.
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Nippo Corporation engages in a wide range of development, including the production of printed circuit boards and the construction of IoT cloud systems. We respond to customer needs with diverse technologies and equipment, including embedded software development, hardware development, and mechanical design (mechanical, sheet metal, and enclosures). We have over 60 years of extensive know-how and development achievements cultivated in many fields. We will support you with our technical expertise and proposal capabilities tailored to your requirements, so please feel free to contact us.