公开(公告)号：US20210205931A1

公开(公告)日：2021-07-08

申请号：US17141149

申请日：2021-01-04

Applicant: SCHOTT AG

Inventor： Bernhard Hunzinger ,  Ali Al-Zuhairi ,  Andreas Ortner ,  Andreas Koglbauer ,  Imke Adrian

IPC: B23K26/40 ,  B23K26/53

Abstract: A method for the separative processing of brittle-hard materials is provided. The method includes irradiating a surface of a workpiece made of brittle-hard material with a laser beam having a wavelength sufficient so that light of the laser beam is absorbed at the surface and so that the workpiece is heated to create a first temperature gradient in a direction from the surface to an interior of the workpiece; guiding the laser beam over the surface along an irradiated region; forming a second temperature gradient along the surface between the irradiated region and a non-irradiated region adjacent the irradiated region, the first and second temperature gradients interacting in such a way that, on account of thermomechanical stresses, the workpiece is separated below the surface with a portion of the workpiece being severed in the form of a chip.

公开(公告)号：US20250130366A1

公开(公告)日：2025-04-24

申请号：US18721926

申请日：2022-12-21

Applicant: SCHOTT AG ,  SCHOTT North America Inc.

Inventor： Andreas Koglbauer ,  Andrea Ravagli ,  James Marro ,  Hubertus Russert ,  Kevin Tabor

IPC: G02B6/06 ,  G02B6/02

Abstract: The invention relates to a waveguide (1) for transmitting electromagnetic waves, in particular for transmitting image information from a proximal end (2) of the waveguide to a distal end (4) of the waveguide, along a transport direction (5) extending between the proximal and distal ends, and over a cross-section extending transversely to the transport direction, wherein light may be transmitted through the waveguide (1) by Anderson localization, and wherein the waveguide (1) has an improved properties compared to conventional fiber optic bundles.

公开(公告)号：US20240042555A1

公开(公告)日：2024-02-08

申请号：US18492036

申请日：2023-10-23

Applicant: SCHOTT AG

Inventor： Andreas Ortner ,  David Sohr ,  Andreas Koglbauer ,  Jens Ulrich Thomas ,  Fabian Wagner ,  Oliver Sohr

IPC: B23K26/53 ,  B23K26/073 ,  B23K26/0622 ,  B23K26/064 ,  B23K26/362 ,  C03C23/00

CPC classification number: B23K26/53 ,  B23K26/0738 ,  B23K26/0622 ,  B23K26/064 ,  B23K26/362 ,  C03C23/0025 ,  B23K2103/54

Abstract: A method for controlling an energy distribution introduced by at least one line focus of at least one laser beam in a substrate is performed by forming the line focus at least regionally in the substrate and influencing the laser beam with at least one phase mask to control the energy distribution in the substrate.

公开(公告)号：US20220176494A1

公开(公告)日：2022-06-09

申请号：US17546724

申请日：2021-12-09

Applicant: SCHOTT AG

Inventor： Andreas Ortner ,  Fabian Wagner ,  Markus Heiss-Chouquet ,  Annika Hörberg ,  Michael Drisch ,  Vanessa Glässer ,  Lukas Walter ,  Andreas Koglbauer ,  Lars Müller ,  David Sohr ,  Bernd Hoppe ,  Michael Kluge

IPC: B23K26/362 ,  B23K26/0622 ,  C03B33/02

Abstract: A method of structuring a glass element having a first side face and a second side face is provided. The method includes the steps of: producing a filament-shaped flaw in the glass element with a pulsed laser beam along a focus line; etching to remove glass in the filament-shaped flaw to form a wall extending from the first side face towards the second side face, the wall having a boundary line that is tapered at a vertex between the wall and the first side face with a taper angle with respect to a perpendicular of the first side face; and adjusting the taper angle by controlling a feature of the focus line. The feature is selected from a group consisting of a position of the focus line, a length of the focus line, an intensity distribution of the focus line, and any combinations thereof.