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It also lowers the viscosity of the etchant which enhances wetting of high aspect ratio features such as plated through-holes in printed circuit boards. Tests of diglyme-based etchants used at 50 °C have shown bond strength increases of 50% or more over room temperature etching. [1] Commercially available etchants today are primarily glyme-based.
Etching tanks used to perform Piranha, hydrofluoric acid or RCA clean on 4-inch wafer batches at LAAS technological facility in Toulouse, France. Etching is used in microfabrication to chemically remove layers from the surface of a wafer during manufacturing. Etching is a critically important process module in fabrication, and every wafer ...
Glass etching, or "French embossing", is a popular technique developed during the mid-1800s that is still widely used in both residential and commercial spaces today. Glass etching comprises the techniques of creating art on the surface of glass by applying acidic, caustic, or abrasive substances.
Tag created using glass etching. Glass etching is a method of creating graffiti using a strong acid solution. [1] Apart from the creation of decorative windows, the etching technique itself has also spread to the field of graffiti subculture mainly due to its permanence. Graffiti created in this way can only be removed by grinding the affected ...
ferric chloride may be used for etching copper or zinc plates, whereas nitric acid may be used for etching zinc or steel plates. Typical solutions are 1 part FeCl 3 to 1 part water and 1 part nitric to 3 parts water. The strength of the acid determines the speed of the etching process. The etching process is known as biting (see also spit ...
Chemical milling or industrial etching is the subtractive manufacturing process of using baths of temperature-regulated etching chemicals to remove material to create an object with the desired shape. [1] [2] Other names for chemical etching include photo etching, chemical etching, photo chemical etching and photochemical machining. It is ...
Leptat glass is a signature etched glass patented and produced by Conrad Schmitt Studios. After viewing a Czechoslovakian glass exhibit at the 1969 World's Fair in Osaka, Japan, Bernard O. Gruenke began to explore etching techniques at his New Berlin studio. He and his son experimented with new methods that produced results unlike the evenly ...
The Portland Vase, about 5–25 AD . Cameo glass is a luxury form of glass art produced by cameo glass engraving or etching and carving through fused layers of differently colored glass to produce designs, usually with white opaque glass figures and motifs on a dark-colored background.