Vehicular camera and lens assembly and method of manufacturing same

  • US 9,277,104 B2
  • Filed: 10/24/2012
  • Issued: 03/01/2016
  • Est. Priority Date: 03/25/2009
  • Status: Active Grant
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First Claim
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1. A method of assembling a vehicular camera, said method comprising:

  • providing a lens assembly comprising a base portion, a lens barrel and a plurality of optical elements in said lens barrel;

    providing a circuit element comprising a circuit board and an imaging array established at said circuit board;

    dispensing at least one adhesive bead at one of (i) said base portion of said lens assembly and (ii) said circuit element;

    placing said circuit element at said base portion of said lens assembly with said at least one adhesive bead between said circuit element and said base portion;

    aligning said lens assembly with said imaging array when said circuit element is placed at said base portion and in contact with said at least one adhesive bead;

    wherein aligning said lens assembly with said imaging array comprises aligning said lens assembly with said imaging array via a multi-axis robotic device;

    curing said at least one adhesive bead to a first cure level via exposure of said at least one adhesive bead to ultraviolet light;

    moving said lens assembly and said circuit element to a second curing stage and curing said at least one adhesive bead to a second cure level via heating said at least one adhesive bead to an elevated temperature for at least a selected period of time; and

    attaching a housing portion to said base portion of said lens assembly to encase said circuit element and substantially sealing said housing portion and said base portion together.

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