Spacer wafer
Product description:
    In the structure of wafer level packed micro lens, there is one spacer wafer between two lenses to adjust lens distance to match the focal length. Therefore, wafer has strict requirement on thickness. We use mechanical drilling on glass. This technology can realize high precision and good perpendicularity. We can provide high quality and low cost product under the drilling processing which is better than laser and sand blasting processing.
  • Technical index
Main index :
1.Glass thickness:<5mm
2.Glass size:<300mm×300mm 
3.Min. hole diameter:>0.5mm
4.Process precision:±0.035um
5.Positioning precision:±0.025um
6.Chipping:<0.05mm
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