Measured data of nickel plating film thickness | 108 measurements, process capability, and film thickness variation published
コダマ 本社工場・巽中工場
In electric nickel plating, it is important not only to ensure the required film thickness but also to verify the extent of film thickness distribution across the entire product. At Kodama Co., Ltd., to check the film thickness distribution of nickel plating under actual processing conditions, copper plates (200×200×t2mm) were used, and film thickness measurements were conducted under the target thickness of 2μm and specifications of 1–3μm.
For samples A to F, a total of 18 points were measured per plate, with 9 points on the front and 9 points on the back, resulting in a total of 108 points measured. As a result, the film thickness for these 108 points ranged from 1.01 to 1.84μm, with an average of 1.374μm and a standard deviation of 0.186μm, and all 108 points fell within the specification range of 1–3μm.
On the Kodama-related page, not only the average value but also the maximum value, minimum value, standard deviation, Cp, and Cpk are published.
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