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In the world of semiconductor manufacturing, photomasks and reticles play crucial roles in the production of integrated circuits (ICs). While these terms are often used interchangeably, they actually refer to distinct components with specific functions. Understanding the difference between a photomask and a reticle is essential for anyone involved in the microelectronics industry.

Computer-Generated Holograms (CGHs) have revolutionized the field of holography by enabling the digital creation and display of three-dimensional images without the need for traditional holographic recording materials. These holograms leverage computational algorithms to simulate the interference patterns that would be created by a real object, allowing for the generation of holographic imagery that can be displayed using a variety of techniques. In this article, we will explore the basic steps involved in creating a computer-generated hologram, with a focus on Fourier-based holograms, which represent an important class of CGHs.

In the ever-evolving landscape of modern technology, precision and accuracy have become paramount in various industries. This is where the Machine Vision Calibration Board (MVCB) steps in, playing a pivotal role in ensuring that cameras, video cameras, laser rangefinders, radars, and other vision-based equipment perform at their optimal levels.

Optical instruments are a class of instruments that can generate light waves and display images, or receive light waves and analyze and determine their optical properties, and are composed of single or multiple optical devices.