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Manufacturing and processing of grid filter The effect of laser drilling on alloy materials is excellent, and high accuracy can be achieved in many applications

Howell CMOS Image Chip Industrialization Project was started in Songjiang, Shanghai, to build a wafer filter and microlens packaging production line On June 16, Haowei

Introduction to the classification of filters A filter is an optical part that attenuates light intensity, changes spectral composition, or limits the vibration surface. As

Filter is an optical device used to select the required radiation wave band. A common feature of filters is that no filter can make the

The plane reflector of the projector is made of polished flat glass bricks and vacuum coated. Special attention should be paid to maintenance. The plane

In 1611, German astronomer Kepler first used two biconvex lenses as objective lens and eyepiece respectively, which significantly improved the magnification. Therefore, later generations called

Achromatic doublet glued lens is an optical design that combines two single lenses. The two lenses are made of glass with different refractive index and