AB etching, or Atomic Beam etching, is a sophisticated technique that has gained significant traction in various industries, particularly in the fields of microfabrication and semiconductor manufacturing. This method is celebrated for its precision and ability to create intricate patterns on a variety of substrates. As technology advances, the demand for refined techniques in material processing has grown, making AB etching an essential process for achieving high-quality results in applications ranging from electronics to optics. The transformative nature of AB etching lies in its ability to alter the surface properties of materials at a microscopic level. This technique not only enhances the functionality of the materials but also plays a…