Method of treating object by laser beam and apparatus therefor
Patent 4315130 Issued on February 9, 1982. Estimated Expiration Date: 
February 28, 1999. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
February 28, 1999. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3230475 3524046 3588439 3622740 3689159 3775586 3848104 3860784 Laser material removal apparatus Method of cutting material to shape from a moving web by burning InventorsAssigneeApplicationNo. 06/016167 filed on 02/28/1979US Classes:219/121.6, Using laser219/121.61, Beam energy control219/121.73, Shaping219/121.74, With mirror219/121.77, With sing source219/121.78, Beam position control219/121.85MethodExaminersPrimary: Albritton, C. L.Attorney, Agent or FirmInternational ClassesB23K 26/073 (20060101)B23K 26/067 (20060101) B23K 26/06 (20060101) Foreign Application Priority Data1978-03-03 JPAbstractThere are disclosed a laser treatment method and an apparatus therefor in which a laser beam is irradiated on an object to be treated. The laser beam emitted from a laser apparatus is divided into a plurality of fractional beams, and the fractional laser beams are reflected toward and irradiated on an area to be irradiated of the object being treated after being compounded such that energy density distribution on the irradiated area is made substantially uniform in at least one direction.Other References
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