Application examples of white light interferometry in mechanical engineering




With the continuous progress of science and technology and the rapid development of the manufacturing industry, high-precision measurement technology has become an indispensable part of the field of machinery manufacturing. As a kind of high-precision measuring instrument, POMEAS white light interferometer is more and more widely used in the field of machinery manufacturing.




White light interferometer is a measuring instrument based on the principle of interference, which has the advantages of high accuracy, high resolution and non-contact measurement. It is capable of measuring various material surfaces at sub-nanometer level, including roughness, flatness, micro-geometric profile, curvature and other parameters. White light interferometer is widely used in semiconductor manufacturing, 3C electronic glass screen, optical processing, micro and nano materials and manufacturing, automotive parts, MEMS devices and other fields.


Auto parts inspection:


In the manufacturing process of automobile parts, it is necessary to accurately measure the size, shape and surface quality of various parts. White light interferometer with its high precision and high resolution characteristics, can be non-contact measurement of automotive parts, to avoid damage to the parts. For example, in the surface texture measurement of the engine cylinder liner segment, the use of white light interferometer can quickly and accurately obtain the texture characteristics, providing an important basis for subsequent processing and quality control.




Precision mold testing:


In precision mold manufacturing, the accuracy and surface quality of the mold directly affect the quality and performance of the final product. White light interferometer can measure the surface of the mold with high precision, find and repair the defects in time to ensure the precision and surface quality of the mold. At the same time, the white light interferometer can also measure the microscopic geometric profile of the mold, providing data support for the optimization of mold design.




MEMS device detection:


MEMS (microelectromechanical systems) devices are a new type of device that has developed rapidly in recent years and are widely used in the fields of sensors and actuators. Due to its small size and complex structure, the requirements for measurement technology are extremely high. White light interferometer plays an important role in the detection of MEMS devices with its high accuracy and high resolution. For example, in the micro-geometric profile measurement of MEMS devices, white light interferometer can quickly and accurately obtain the shape and size information of the device, which provides an important reference for the design and manufacture of the device.


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