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Lens barrel, lens-barrel wafer, and associated method

  • US 10,459,189 B2
  • Filed: 10/05/2016
  • Issued: 10/29/2019
  • Est. Priority Date: 10/05/2016
  • Status: Active Grant
First Claim
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1. A lens barrel comprising:

  • an annular lower layer defining a lower aperture therethrough;

    an annular upper layer defining an upper aperture therethrough having an upper width;

    an annular middle layer, bonded between the lower layer and the upper layer, and defining a middle aperture having a middle width that is less than the upper width to form a ledge, the lower aperture, the middle aperture, and the upper aperture collectively forming at least part of a barrel aperture through the lower, middle, and upper layers;

    a lens positioned on the ledge in the upper aperture;

    a cap layer including a bottom surface, a first region thereof attached to a top surface of the annular upper layer, and a second region thereof extending over the upper aperture directly above the ledge; and

    a securing layer spanning a region between the cap layer and a top surface of the lens, the cap layer and the securing layer cooperating to secure the lens within the upper aperture.

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