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Electroless nickel immersion gold (ENIG or ENi/IAu), also known as immersion gold (Au), chemical Ni/Au or soft gold, is a metal plating process used in the manufacture of printed circuit boards (PCBs), to avoid oxidation and improve the solderability of copper contacts and plated through-holes.
Hot tin-dipping is the process of immersing a part into a bath of pure molten tin at a temperature greater than 450 °F or 232 °C. Tinplate made via hot-dipped tin plating is made by cold rolling steel or iron, pickling to remove any scale , annealing to remove any strain hardening , and then coating it with a thin layer of tin .
In 1932, Lewis T. Briggs Sr., a part-owner of the Erie Bronze Company, bought out Smith's co-investors and became president of the eight-person company. During World War II the Erie Plating Company expanded into plating military components. The main wartime products produced in Erie were bomb fuses, aircraft parts, and communication equipment.
The tinning set consisted of two pots with molten tin (with flux on top) and a grease pot. The flux dries the plate and prepares it for the tin to adhere. The second tin pot (called the wash pot) had tin at a lower temperature. This is followed by the grease pot (containing an oil), removing the excess tin. Then follow cleaning and polishing ...
The U.S. Federal Trade Commission filed a complaint against the company and fourteen other corporations involved in the manufacturing and sale of tin plate on February 17, 1936, accusing them of collusion, dating to an agreement made October 1934 to suppress the sale and distribution of certain grades and qualities of tin plate. [1]
Download QR code; Print/export Download as PDF; Printable version; In other projects ... Fortune 500 companies based in Houston [1] Rank Company name 12: ExxonMobil: 48:
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