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Jewelry pieces are decorative items such as rings, necklaces, bracelets, and brooches made from special metals and worn for adornment. Pieces of jewelry are made from different kinds of special metals and alloys. A lot of these metals and special alloys have been used over the years. Some of these metals have stood out due...Continue Reading

You must have heard about aluminium or seen aluminium in many different places. This is because aluminium is one of the most useful elements that nature offers. In terms of occurrence, studies show that aluminum comprises about 8% of the earth’s crust, making it the most abundant metal and the third most abundant element in...Continue Reading

In order to protect some deposited materials from reacting with air or water vapor, they are usually immersed in low-viscosity (hydrocarbon) mineral oil during storage and shipment. Before installing these composition materials shipped in oil into the vacuum system, we must use solvents to remove these oils. The choice of solvents is based on the premise...Continue Reading

Optical coatings are widely used to change the reflectivity of the lens surface, from glasses to high-power laser applications. The core technology of femtosecond laser coating is that its coating has the characteristics of low dispersion and high damage threshold. This article talks about three commonly used sputter coating techniques, and introduces the physical principles...Continue Reading

Magnetron sputtering, a physical vapor deposition (PVD) process, is the main thin film deposition method for manufacturing semiconductor, disk drive, CD and optical devices. The following are common problems in magnetron sputtering. We have listed possible causes and related solutions for your information. Here is a quick look that may save your time. Problem 1: The...Continue Reading