Wet etch photolithography wafer based technology. Convex and concave, spherical and aspherical, one-side or double side microlens arrays and microlenses, hexagonal, square, orthogonal, rectagonal, ...

The etching and characterization room contains a suite of tools for dry etching and characterization of samples. This includes three dry etchers with a range of capabilities, while characterization ...

2. Etching: Etching refers to the removal of material from the wafer surface. There are two main types of etching: Wet etching: Wafers are immersed in an etchant solution (mixture of chemicals). A ...