Laser glass welding of optical components using fiducials
AssigneeIntuitive Surgical Operations, Inc.
InventorsMudabbir Badar, Charles Jarrett, Eric Sanborn
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Abstract
Techniques are disclosed herein for laser glass welding optical components to a substrate using fiducial markers to create optical devices. An example optical device disclosed herein comprises a substrate and an optical system. The substrate includes a component surface, a back surface opposite the component surface, and a plurality of fiducial markers within the substrate between the component surface and back surface. The optical system is configured to process light. The optical system includes a plurality of optical components on the component surface of the substrate, and each optical component is aligned to a respective fiducial marker.
Claims33
An optical device, comprising:
- a substrate including:
- a component surface;
- a back surface opposite the component surface;
- and
- a plurality of fiducial markers within the substrate between the component surface and back surface;
- and
- an optical system configured to process light, the optical system including a plurality of optical components on the component surface of the substrate, each optical component being aligned to a respective fiducial marker.
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A method for manufacturing an optical device, comprising:
- generating image data of a substrate of the optical device;
- writing a plurality of fiducial markers to the substrate using a laser based on the image data, the plurality of fiducial markers indicating a physical layout of an optical system including a plurality of optical components on a component surface of the substrate;
- and
- determining that an optical component of the plurality of optical components is aligned with a fiducial marker of the plurality of fiducial markers based on the image data.
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A system for aligning an optical device, the system comprising:
- a laser for writing a plurality of fiducial markers to a substrate, the plurality of fiducial markers indicating a physical layout of an optical system including a plurality of optical components on a component surface of the substrate;
- an imaging system configured to generate image data of the substrate;
- and
- a controller configured to:
- cause the laser to write the plurality of fiducial markers to the substrate based on the image data;
- and
- determine that an optical component of the plurality of optical components is aligned with a fiducial marker of the plurality of fiducial markers based on the image data.
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Dependencies are inferred from the claim text.