Techniques for graphic formation via material ablation described. In at least some implementations, a graphic is applied to a surface of an object by ablating layers of the object to form an ablation trench in the shape of the graphic. In at least some embodiments, an object can include a surface la
Techniques for graphic formation via material ablation described. In at least some implementations, a graphic is applied to a surface of an object by ablating layers of the object to form an ablation trench in the shape of the graphic. In at least some embodiments, an object can include a surface layer and multiple sublayers of materials. When an ablation trench is generated in the object, the ablation trench can penetrate a surface layer of the object and into an intermediate layer. In at least some implementations, height variations in an object surface caused by an ablation trench can cause variations in light reflection properties such that a graphic applied via the ablation trench appears at a different color tone than a surrounding surface, even if the ablation trench and the surrounding surface are coated with a same colored coating.
대표청구항▼
1. An apparatus comprising: a housing formed from a substrate;a surface layer of at least one of a metal or a metal alloy applied on top of the substrate;an ablation trench in the shape of a graphic and formed into the surface layer without penetrating into the substrate, the ablation trench includi
1. An apparatus comprising: a housing formed from a substrate;a surface layer of at least one of a metal or a metal alloy applied on top of the substrate;an ablation trench in the shape of a graphic and formed into the surface layer without penetrating into the substrate, the ablation trench including surface variations formed by varying a depth of the ablation trench into the surface layer, the surface variations causing different portions of the graphic to exhibit different optical properties based on the depth; andat least one coating applied at a uniform thickness over the ablation trench and at least a portion of the surface layer, the uniform thickness causing the surface variations in the ablation trench to be maintained after application of the coating. 2. An apparatus as described in claim 1, wherein the apparatus comprises a computing device, the surface layer comprises an exterior surface of the computing device, and the graphic comprises a visual image to be applied to the exterior surface. 3. An apparatus as described in claim 1, wherein the surface layer is formed from at least one of chromium, a chromium alloy, nickel, or a nickel alloy. 4. An apparatus as described in claim 1, wherein the surface layer is formed at a thickness of up to 1500μ. 5. An apparatus as described in claim 1, wherein the ablation trench is formed such that the ablation trench penetrates the surface layer at a depth range of up to 4μ. 6. An apparatus as described in claim 1, wherein the at least one coating is colored such that a same color is applied to the ablation trench and the at least a portion of the surface layer. 7. An apparatus as described in claim 1, wherein the at least one coating includes at least one of a physical vapor deposition (PVD) coating, a chemical vapor deposition (CVD) coating, or an anti-fingerprint (AFP) coating. 8. An apparatus as described in claim 1, wherein the at least one coating includes a physical vapor deposition (PVD) coating applied to the ablation trench and the at least a portion of the surface layer, and an anti-fingerprint (AFP) coating applied to the PVD coating. 9. An apparatus as described in claim 1, wherein the ablation trench is formed such that incident light on the ablation trench and the at least a portion of the surface layer causes variations in light reflection properties between the ablation trench and the at least a portion of the surface layer. 10. A housing comprising: a substrate;multiple layers of materials applied on top of the substrate, at least two of the multiple layers being formed from different metals or different metal alloys;an ablation trench in the shape of a graphic and formed through an outermost layer of the multiple layers into an intermediate layer of the multiple layers, the ablation trench being formed such that a lowermost portion of the trench is positioned within the intermediate layer without penetrating an interface between the intermediate layer and a lower layer of the multiple layers, the ablation trench including at least one variation in depth formed by varying the depth of the ablation trench, the at least one variation causing a portion of the graphic corresponding to the at least one variation to exhibit different optical properties than at least one other portion of the graphic based on the depth; andat least one colored coating applied at a uniform thickness over the ablation trench and at least a portion of the outermost layer, the uniform thickness causing the at least one variation in depth to be maintained after application of the coating. 11. A housing as described in claim 10, wherein the housing comprises a portion of a computing device, the outermost layer comprises an exterior surface of the computing device, and the graphic comprises an image to be applied to the exterior surface. 12. A housing as described in claim 10, wherein the outermost layer is formed from at least one of chromium or a chromium alloy, the intermediate layer is formed from at least one of nickel or a nickel alloy, and the lower layer is formed from at least one of copper or a copper alloy. 13. A housing as described in claim 12, wherein the outermost layer is formed at a thickness of 0.1μ to 0.3μ, the intermediate layer is formed at a thickness of 9.0μ +/−5μ, and the lower layer is formed at a thickness of 20μ+/−5μ. 14. A housing as described in claim 13, wherein the ablation trench is formed such that the ablation trench penetrates the intermediate layer at a depth range of 2μ to 4μ. 15. A housing as described in claim 10, wherein the at least one colored coating comprises a physical vapor deposition (PVD) coating applied to the ablation trench and the at least a portion of the outermost layer, the at least one colored coating applied at a thickness that ranges from 0.4μ to 1.2μ. 16. A housing comprising: a substrate;a surface layer of at least one of a metal or a metal alloy applied on top of the substrate;an ablation trench in the shape of a graphic and formed into the surface layer without penetrating into the substrate, the ablation trench formed according to a specification that defines a depth of the ablation trench for a respective portion of the graphic, the specification defining at least two different depths of the ablation trench for at least two different portions of the graphic, the at least two different depths causing the at least two different portions of the graphic to have different optical properties; anda coating applied at a uniform thickness over the ablation trench and at least some portion of the surface layer such that the different optical properties of the at least two different portions are exhibited after application of the coating. 17. A housing as described in claim 16, wherein the specification comprises a pattern for the graphic and the ablation depth is defined in the form of a depth range for the ablation trench. 18. A housing as described in claim 16, wherein the ablation trench is formed using a laser. 19. A housing as described in claim 16, wherein the coating is colored such that a same color is applied to the ablation trench and the at least some portion of the surface layer. 20. A housing as described in claim 16, wherein the specification defines at least three different depths of the ablation trench for at least three different portions of the graphic.
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