Abstract:
Bei der Erzeugung eines Lochs durch ein Perkussionsverfahren kommt es oft zur Gratbildung. Durch die Anwendung des Perkussionsverfahrens in einem ersten Schritt und eines Trepanierverfahrens im zweiten Schritt, wobei der Durchmesser des herzustellenden Lochs (10) schrittweise vergrößert wird, wird die Gratbildung vermieden.
Abstract:
Provided is a laser processing method for drilling a hole (4) in a glass substrate (1) with using a carbon dioxide laser, including the steps of: irradiating the laser onto a drilling position on the glass substrate (1) from a side of the glass substrate (1) on which a protective sheet is adhered so as to form a blind hole (4) ; removing the protective sheet from the glass substrate (1) and performing an annealing treatment; and performing a wet-etching process on a side of the glass substrate (1) not irradiated with the laser so as to convert the blind hole (4) into a through hole (4).
Abstract:
The invention relates to a method for producing a thermal barrier coating on a component, more particularly on a turbine component and preferably on a turbine blade, wherein the component is provided with the thermal barrier coating and structures are then created in the outer surface of the thermal barrier coating using a laser ablation process so as to segment the surface of the thermal barrier coating, the structures being created in the surface of the thermal barrier coating by an ultrashort pulse laser, more particularly a femtosecond laser.
Abstract:
A method of making a glass article having non-flat portions, said method comprising the steps of (i) perforating a glass blank along a contour with a laser and forming multiple perforations in the glass blank; (ii) bending the glass bank along at least one area containing perforations, such that the glass is curved, forming a glass article having the non-flat portion.
Abstract:
L'invention concerne un procédé de délamination d'un dispositif multicouche comprenant plusieurs couches, au moins l'une de ces couches étant une structure organique, en vue notamment du recyclage des matériaux constituant ces couches. Le procédé comprend les étapes suivantes : • Une étape de pré-traitement du dispositif multicouche 1 consistant à perforer 100 ladite au moins une structure organique 10 par endroits, puis • Une étape de traitement, dans un réacteur, du dispositif multicouche 1 consistant à le soumettre à au moins un cycle de pressurisation et de dépressurisation d'un fluide 2.
Abstract:
Bei der Erzeugung eines Lochs durch ein Perkussionsverfahren kommt es oft zur Gratbildung. Durch die Anwendung des Perkussionsverfahrens in einem ersten Schritt und eines Trepanierverfahrens im zweiten Schritt, wobei der Durchmesser des herzustellenden Lochs (10) schrittweise vergrößert wird, wird die Gratbildung vermieden.
Abstract:
A glass sensor substrate including metallizable through vias and related process is provided. The glass substrate has a first major surface, a second major surface and an average thickness of greater than 0.3 mm. A plurality of etch paths are created through the glass substrate by directing a laser at the substrate in a predetermined pattern. A plurality of through vias through the glass substrate are etched along the etch paths using a hydroxide based etching material. The hydroxide based etching material highly preferentially etches the substrate along the etch path. Each of the plurality of through vias is long compared to their diameter for example such that a ratio of the thickness of the glass substrate to a maximum diameter of each of the through vias is greater than 8 to 1.
Abstract:
An apparatus for laser drilling including a laser beam emitter disposed within a housing having at least one laser beam outlet and at least one purge fluid outlet. At least one actuated nozzle is disposed within the housing for providing a purge fluid through the purge fluid outlet and having functional control for synchronized programmable activation patterns. Laser beam control is provided for directing a laser beam over a target surface.
Abstract:
Apparatus and methods are disclosed for performing laser ablation. In an example arrangement a spatial light modulator (54) is used to modulate a pulsed laser beam from a solid state laser (52). A two-stage de-magnification process (58, 62) is used to allow radiation intensity to be kept relatively low at the spatial light modulator (54) while allowing access to feedback sensors (64) in an intermediate imaging plane.