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1, Raw material cutting and shaping(Kindly Note: Most of raw material is cutted and shaped by material supplier) |
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2, Grinding |
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3, Polishing and SPDT(Single Point Diamond Turning) |
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Polishing machine for flat surface(window) |
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SPDT for aspherical and diffractive Surface |
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4, Cleaning before coating |
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5, Coating |
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DLC coating machine |
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6, Coating spectrum testing |
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Surface quality testing |
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Flatness testing by interferometer |
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Flatness and parallelism testing by Zygo |
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Centering testing for lenses |
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Roughness testing of aspherical surface by Profile |
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7, Lens modules assembling(Mechanical |
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8, Lens module imaging quality |
Following is the environment durability testing(If needed by customers): |
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Salt fog testing |
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High-low temperature testing |
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Alcohol and acetone Soak testing |
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Durability testing-1 |
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Durability testing -2 |
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Durability testing -3 |
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UV illumination testing |
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High humidity testing |