Aluminum substrate resistance welding screen making method for preventing photosensitive slurry from falling off
A production method and technology of photosensitive paste, which is applied in the field of solder mask printing, can solve the problems of incomplete improvement of the end of the scraper, reduced life of the screen plate, and high cost, and achieve the goals of solving abnormal product quality, shortening the standing time, and increasing the service life Effect
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[0026] The present invention will be described in further detail below in conjunction with the embodiment given with accompanying drawing.
[0027] Such as figure 1 As shown, a method for making an aluminum substrate solder resist screen plate to prevent photosensitive paste from falling off, comprising:
[0028] 1) Use double-sided tape to paste a PET protective film on the front of the screen screen corresponding to the positions of the two ends of the scraper. Preferably, the thickness of the PET protective film is 0.05 mm, the width is 50 mm, and the center of the PET protective film in the width direction is flush with the end plane of the scraper.
[0029] 2) Apply a layer of glue on the back of the mesh screen corresponding to the position of the PET protective film, and let the glue dry naturally for 5 minutes to further solidify the PET protective film on the mesh screen.
[0030] 3) Before applying the photosensitive paste, add boiled oil and water to the photosens...
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