Introducing Mitsuya's recommended joining coatings!
■Gold-Tin Alloy Plating Gold-tin alloy plating, composed of 80% gold and 20% tin eutectic, is the optimal alloy plating for high-temperature lead-free solder materials with a melting point of 280°C. ■Tin-Antimony Alloy Plating Compared to regular tin plating, it excels in preventing tin pest and has superior heat cycle durability. ■Indium Plating Indium has a very soft, dull white appearance and is prone to scratching. Its hardness is below Hv5, and its melting point is 156.6°C. It has also proven effective in preventing contact failure as a joining tool for bundling similar vessels.
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basic information
Tin-lead alloy plating, tin-antimony alloy plating, indium plating, and tin plating are excellent platings that provide good soldering and bonding properties.
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Applications/Examples of results
Good soldering and good joinability Electrical and electronic sensors Semiconductors 【Gold-tin alloy plating】 High-temperature lead-free solder, thin film, fine patterns (*For gold-tin alloy plating, there is a separate page available, so please refer to that for details.) 【Tin-antimony alloy plating】 Solder for high-reliability connections 【Indium plating】 Used as a joining tool to bundle copper wires, preventing contact failure, soft products, etc., for airtight joints (*For indium plating, there is a separate page available, so please refer to that for details.)
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Company information
Mitsuya is a company that specializes in metal surface treatment and plating, founded in 1931. We focus not only on general plating but also on plating for difficult materials, offering around 90 different types of plating. Currently, plating has become an essential part of advanced technologies such as IT, electronic devices, ubiquitous computing, next-generation energy, next-generation motorization, and environmental technology. In this context, Mitsuya Co., Ltd. responds to customer needs with a spirit of "let's give it a try" to meet strict requirements, earning a reputation for being the go-to company when faced with challenges. We have established partnerships with many companies, including those in the manufacturing of electronic and electrical devices, as well as automotive and transportation equipment. We will propose the most suitable plating technology based on your consultation needs. We also accommodate small-scale prototypes starting from just one piece, so please feel free to contact us with any inquiries, no matter how trivial.