Method for testing thickness of coating film
A coating chamber and marker technology, which is applied to measuring devices, instruments, etc., can solve problems such as the effect of corrosion time, achieve clear steps, improve operability, and save costs and time.
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Embodiment 1
[0024] In this example:
[0025] First draw one or several lines with a marker pen on the glass substrate;
[0026] Then place it in the coating chamber for coating. The composition of the coating can be an inorganic compound, and the composition of the marker pen is oily. It is difficult for other substances to adhere and form on the glass substrate during sputtering;
[0027] Finally, after the coating, soak the glass substrate and the sample in ethanol, and the ink marks drawn by the marker pen will be reflected, revealing one or more clear steps, and then measure the thickness of the coating on a step meter.
Embodiment 2
[0029] In this example:
[0030] First draw one or several lines with ink on the stainless steel substrate;
[0031] Then place it in the coating chamber for coating. The composition of the coating can be metal. Since the composition of the ink pen is oily, it is difficult for other substances to adhere and form on the substrate during sputtering;
[0032] Finally, after the coating, soak the stainless steel substrate and the sample in acetone, and the ink marks drawn by the ink pen will be reflected, revealing one or more clear steps, and then measure the thickness of the coating on a step meter.
Embodiment 3
[0034] In this example:
[0035] First draw one or several lines with an ink pen on the organic material substrate;
[0036] Then place it in the coating chamber for coating. The composition of the coating can be metal. Since the composition of the ink pen is oily, it is difficult for other substances to adhere and form on the substrate during sputtering;
[0037] Finally, after the coating, soak the organic material substrate and the sample in ethanol, and the ink marks drawn by the ink pen will be reflected, revealing one or more clear steps, and then measure the thickness of the coating on a step meter.
[0038] As can be seen from the above embodiments, the present invention can solve the disadvantages of the inconvenient operation of the chemical etching method and the masking method in the prior art, because no mask or chemical etching solution is used, cost and time can be saved; marker pen or oil-based pen, Ethanol and acetone are common products, which are easy to ta...
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