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Spot welding technique

  • US 4,733,047 A
  • Filed: 02/20/1987
  • Issued: 03/22/1988
  • Est. Priority Date: 02/20/1987
  • Status: Expired due to Term
First Claim
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1. A method of fabricating an article comprising the steps of:

  • bonding a first body to a second body by irradiating the bodies with a plurality of laser beams derived from a single laser source; and

    completing the fabrication of said article, characterized in that said bonding step comprises the steps of;

    generating a beam of laser light;

    splitting the beam into a plurality of independent beams;

    directing each independent beam into a first end of a separate one of a plurality of lightguide fibers so a portion of each independent beam passes therethrough; and

    positioning the opposite end of each fiber proximate the bodies to simultaneously bond the bodies together at a plurality of spaced sites with the independent beams passing through the fibers.

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