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The patent name: optical lens surface dust and dust removal method

by:ChangHui     2020-06-14
Technology: the invention relates to optical lens surface dust removal method, especially relates to a kind of applied to the camera module assembly optical lens surface dust removal device and used in the process of the optical lens surface dust removal method of dust removal device. Technical background in recent years, with the development of optical products, continue to expand the application scope of camera module, such as digital camera, which has the function of camera phones and other electronic products. For electronic products, especially in consumer electronics products, its development trend is lightweight and thin type, and the corresponding Settings in which the lens of the module is also becoming more and more small, precision request also more and more high, so the camera module assembly process also needs higher precision and stability, to ensure the production efficiency and yield. In general, including mirror lens module, and mirrors mesh connection within the lens barrel, set in the mirror of the image sensor and set within the tube, optical lenses, etc. Described in the tube, optical lenses, including several used to outside light convergence on image sensor on the surface of the optical lens ( 镜头) , is used to filter out infrared light infrared end filter, 红外线, 减少过滤器,IR - 减少过滤器) And so on. In camera module assembly process, due to the electrostatic effect, optical lens surface adsorption dust, easy to cause bad product, may even affect the quality of lens mold like. In order to remove the dust on the surface of the optical lens, the usual practice is artificial in a cloth soaked in alcohol clean swab to wipe. This practice, however, due to the artificial one by one to wipe, time-consuming, laborious and easy for optical lens surface to cause secondary pollution. Invention content because of this, it is necessary to provide a high dust removal efficiency of dust removal device and optical lens surface dust removal method. An optical lens surface dust removal device, used for optical lens surface dust removal process, described in the optical lens surface dust removal device includes an ultrasonic oscillation device, a dust cleaning device and at least one tray. Mentioned ultrasonic oscillation device used to produce ultrasonic frequency vibration to eliminate the above mentioned in optical lenses and adhesion to the dust on the surface of the optical lens glue attached; Referred to at least one dust cleaning device is used to make the dust on the surface of the optical lens and optical lens further out; Described in the tray for hosting described optical lens and described in ultrasonic oscillation device described with dust cleaning device. An optical lens surface dust removal method, using the optical lens surface dust removal device, including the following steps provide a has at least one element bearing groove tray, described the optical lens set described in the element bearing groove, set the tray on the above mentioned in ultrasonic oscillation device and dust cleaning device; Start described with ultrasonic frequency vibration of the ultrasonic oscillation device to eliminate the above mentioned in optical lenses and adhesion on the adhesion between dust on the surface of the optical lens; Start the dust cleaning device, described the described optical further out of the dust on the surface of the lens and optical lenses, optical lens surface dedusting effect. Compared with the existing technology, the described optical lens surface dust removal device USES ultrasonic oscillation device and dust cleaning device, the described optical lens surface dust cleaning more thoroughly, and due to the multiple optical lenses can treated in dust removal process, greatly save time. In addition, because there is no use cleaning solvent, etc. , as to avoid the secondary pollution of the optical lens.
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