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Laser processing method

  • US 4,734,550 A
  • Filed: 08/19/1986
  • Issued: 03/29/1988
  • Est. Priority Date: 08/20/1985
  • Status: Expired due to Term
First Claim
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1. A laser processing method for scribing the surface of a workpiece, said method comprising:

  • generating a laser beam;

    modifying said beam to have a substantially rectangular shape; and

    scribing said surface of said workpiece with said rectangular beam to form a groove in said surface, said scribing step including periodically moving said rectangular beam relative to and along said surface, each movement of said beam causing said beam to irradiate a portion of said surface to form said groove, each of said portions overlapping an adjacent one of said portions by a predetermined amount.

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