Patent ID: 7748733

Claim:
A method of manufacturing an interior lining component of an automotive vehicle, said interior lining component having a support layer and a decorative layer, said decorative layer being joined indirectly to said support layer by means of an intermediate layer or directly to said support layer, comprising the steps of: forming a series of alternating slits and bridging elements along a desired predefined tear seam line in said support layer prior to joining said decorative and support layers, directing a controllable pulsed laser beam along said predefined tear seam line relative to said interior lining component of the automotive vehicle from the side of said support layer, detecting said controllable pulsed laser beam when said predefined tear seam line is penetrated, and producing blind holes of a predefined residual wall thickness and/or microperforation holes in said decorative layer by means of the laser beam along the slits using a first laser regimen, and along the bridging elements using a second laser regimen, wherein each hole formation is begun with an identical indicator pulse sequence of the laser beam, with which indicator pulse sequence laser radiation energy is detected in the slit region at the latest after completion of said indicator pulse sequence, and wherein, when radiation is detected, the first laser regimen, or in the absence of the detection of radiation energy, the second laser regimen is used, which ensures that the laser regimen is automatically changed when the laser has reached the transitional boundary region between the bridging element and the slit and/or between the slit and the bridging element.