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AssigneeNitto Denko Corporation
InventorsMasakatsu Urairi, Atsushi Hino, Naoyuki Matsuo, Tomokazu Takahashi, Takeshi Matsumura, Syouji Yamamoto
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A laser processing protection sheet (2) capable of effectively preventing contamination on the surface of an article to be processed by decomposition products when the article to be processed (1) is processed by the UV absorption ablation of a laser beam (7). A production method for a laser processed article (10) using the laser. processing protection sheet (2). The laser processing protection sheet (2) is provided on the laser beam incident surface side of the article to be processed (1) when the article (1) is processed by the UV absorption ablation of the laser beam (7).
A protective sheet for laser processing disposed at laser beam incident side of a workpiece when processing the workpiece by ultrasonic absorption ablation of laser beam.
A protective sheet for laser processing used when processing a workpiece by ultrasonic absorption ablation of laser beam, wherein the protective sheet has at least an adhesive layer on a base material, the etching rate (etching speed/energy fluence) of the base material is 0.4 [(μm/pulse)/(J/cm2)] or more.
A manufacturing method of laser processed parts by using a protective sheet for laser processing having at least an adhesive layer on a base material, with 1 or more of ratio of extinction coefficient at ultraviolet region wavelength λ of the base material to extinction coefficient at ultraviolet region wavelength λ of workpiece (extinction coefficient ratio=extinction coefficient at ultraviolet region wavelength λ of base material of protective sheet for laser processing/extinction coefficient at ultraviolet region wavelength λ of workpiece), comprising a step of adhering an adhesive layer of protective sheet for laser processing to the incident side of laser beam of the workpiece, a step of processing the protective sheet for laser processing and workpiece by irradiating with laser beam, and a step of peeling off the protective sheet for laser processing from the workpiece after processing.
A manufacturing method of laser processed parts by using a protective sheet for laser processing having at least an adhesive layer on a base material, with the extinction coefficient at ultraviolet region wavelength λ of the base material of 20 cm−1 or more, comprising a step of adhering an adhesive layer of protective sheet for laser processing to the incident side of laser beam of metal material, a step of processing the protective sheet for laser processing and metal material by irradiating with laser beam, and a step of peeling off the protective sheet for laser processing from the metal material after processing.
A manufacturing method of laser processed parts by using a protective sheet for laser processing having at least an adhesive layer on a base material, with 1 or more of ratio of density of the base material to density of workpiece (density ratio=density of base material of protective sheet for laser processing/density of workpiece), comprising a step of adhering an adhesive layer of protective sheet for laser processing to the incident side of laser beam of the workpiece, a step of processing the protective sheet for laser processing and workpiece by irradiating with laser beam, and a step of peeling off the protective sheet for laser processing from the workpiece after processing.
A manufacturing method of laser processed parts by using a protective sheet for laser processing having at least an adhesive layer on a base material, with the density of the base material of 1.1 g/cm3 or more, comprising a step of adhering an adhesive layer of the protective sheet for laser processing to the incident side of laser beam of metal material, a step of processing the protective sheet for laser processing and metal material by irradiating with laser beam, and a step of peeling off the protective sheet for laser processing from the metal material after processing.
A manufacturing method of laser processed parts by using a protective sheet for laser processing having at least an adhesive layer on a base material, with 1 or more of ratio of tensile strength of protective sheet for laser processing to tensile strength of workpiece (tensile strength ratio=tensile strength of protective sheet for laser processing/tensile strength of workpiece), comprising a step of adhering an adhesive layer of protective sheet for laser processing to the incident side of laser beam of the workpiece, a step of processing the protective sheet for laser processing and workpiece by irradiating with laser beam, and a step of peeling off the protective sheet for laser processing from the workpiece after processing.
A manufacturing method of laser processed parts by using a protective sheet for laser processing having at least an adhesive layer on a base material, with the tensile strength of 100 MPa or more, comprising a step of adhering an adhesive layer of protective sheet for laser processing to the incident side of laser beam of metal material, a step of processing the protective sheet for laser processing and metal material by irradiating with laser beam, and a step of peeling off the protective sheet for laser processing from the metal material after processing.
A manufacturing method of laser processed parts by using a protective sheet for laser processing having at least an adhesive layer on a base material, with less than 1 of ratio of specific heat of the base material to specific heat of workpiece (specific heat ratio=specific heat of base material of protective sheet for laser processing/specific heat of workpiece), comprising a step of adhering an adhesive layer of protective sheet for laser processing to the incident side of laser beam of the workpiece, a step of processing the protective sheet for laser processing and workpiece by irradiating with laser beam, and a step of peeling off the protective sheet for laser processing from the workpiece after processing.
A manufacturing method of laser processed parts by using a protective sheet for laser processing having at least an adhesive layer on a base material, with 1 or more of ratio of refractive index at wavelength 546 nm of the base material to refractive index at wavelength 546 nm of organic workpiece (refractive index ratio=refractive index at wavelength 546 nm of base material of protective sheet for laser processing/refractive index at wavelength 546 nm of organic workpiece), comprising a step of adhering an adhesive layer of the protective sheet for laser processing to the incident side of laser beam of the organic workpiece, a step of processing the protective sheet for laser processing and organic workpiece by irradiating with laser beam, and a step of peeling off the protective sheet for laser processing from the organic workpiece after processing.
A manufacturing method of laser processed parts by using a protective sheet for laser processing having at least an adhesive layer on a base material, with refractive index at wavelength 546 nm of the base material of 1.53 or more, comprising a step of adhering an adhesive layer of the protective sheet for laser processing to the incident side of laser beam of inorganic workpiece, a step of processing the protective sheet for laser processing and inorganic workpiece by irradiating with laser beam, and a step of peeling off the protective sheet for laser processing from the inorganic workpiece after processing.
A manufacturing method of laser processed parts by using a protective sheet for laser processing having at least an adhesive layer on a base material, with less than 1 of total coupling energy ratio (total coupling energy ratio=total coupling energy A equivalent to minimum value among sums of coupling energy of one carbon atom in resin component for composing a base material and other atom coupled with the carbon atom/total coupling energy B equivalent to minimum value among sums of coupling energy of one carbon atom in material component for composing an organic workpiece and other atom coupled with the carbon atom), comprising a step of adhering an adhesive layer of protective sheet for laser processing to the incident side of laser beam of the organic workpiece, a step of processing the protective sheet for laser processing and organic workpiece by irradiating with laser beam, and a step of peeling off the protective sheet for laser processing from the organic workpiece after processing.
A manufacturing method of laser processed parts by using a protective sheet for laser processing having at least an adhesive layer on a base material, with total coupling energy A equivalent to minimum value among sums of coupling energy of one carbon atom in resin component for composing the base material and other atom coupled with the carbon atom of less than 800 kJ/mol, comprising a step of adhering an adhesive layer of protective sheet for laser processing to the incident side of laser beam of inorganic workpiece, a step of processing the protective sheet for laser processing and inorganic workpiece by irradiating with laser beam, and a step of peeling off the protective sheet for laser processing from the inorganic workpiece after processing.
Dependencies are inferred from the claim text.