G03B27/58

Substrate carrying device
09760023 · 2017-09-12 · ·

A substrate carrying device includes pads that hold a substrate, and a hand having recesses formed therein. The pads are placed in the recesses and detachably attached to the hand. Each of the pads includes a flange, and the flange of at least one of the pads includes an outer peripheral part detachably attached to the hand, an elastic part that is able to bend in the recess, and a substrate holding part that rises from an inner edge of the elastic part and holds the substrate by vacuum suction.

Six degree of freedom workpiece stage
11209373 · 2021-12-28 · ·

A second stage is disposed on the first stage. The second stage provides six degrees of freedom. A chuck that holds a workpiece is disposed on the second stage. Actuators that enable movement in three directions are disposed on the second stage. The first stage and the second stage move independent of each other during inspection of the workpiece on the chuck.

Apparatus for transferring a substrate in a lithography system

An apparatus for transferring a target, such as a substrate or a substrate support structure onto which a substrate has been clamped, from a substrate transfer system to a vacuum chamber of a lithography system. The apparatus comprises a load lock chamber for transferring the target into and out of the vacuum chamber. The load lock chamber comprises a first wall with a first passage providing access between a robot space and the interior of the load lock chamber, a second wall with a second passage providing access between the interior of the load lock chamber and the vacuum chamber, and plurality of handling robots for transferring the targets comprising: a first handling robot movable within the robot space to access the substrate transfer system and the first passage; and a second handling robot movable within the load lock chamber to access the first passage and the second passage.

APPARATUS FOR POSITIONING AND CLAMPED CURING

An apparatus including: a first gripping member having a first magnetic element and moveable between a first position and a second position; a first biasing member configured to bias the first gripping member toward the first position; and a second magnetic element selectively operable in a first mode, in which the second magnetic element interacts with the first magnetic element to overcome the first biasing member and move the first gripping member to the second position, and a second mode, in which the second magnetic element does not overcome the first biasing member such that the first gripping member rests in the first position.

Lithographic apparatus, fluid handling structure for use in a lithographic apparatus and device manufacturing method

A lithographic apparatus including a fluid handling structure configured to contain immersion fluid in a space adjacent to an upper surface of the substrate table and/or a substrate located in a recess of the substrate table, a cover having a planar main body that, in use, extends around a substrate from the upper surface to a peripheral section of an upper major face of the substrate in order to cover a gap between an edge of the recess and an edge of the substrate, and an immersion fluid film disruptor, configured to disrupt the formation of a film of immersion fluid between an edge of the cover and immersion fluid contained by the fluid handling structure during movement of the substrate table relative to the fluid handling structure.

Substrate holder and a method of manufacturing a device

A substrate holder, a method of manufacturing of the substrate holder and a lithographic apparatus having the substrate holder. In one arrangement, a substrate holder is for use in a lithographic apparatus. The substrate holder is configured to support a lower surface of a substrate. The substrate holder has a main body, a plurality of burls and a coating. The main body has a substrate-facing face. The plurality of burls protrudes from the substrate-facing face. Each burl has a distal end configured to engage with the substrate. The distal ends are configured for supporting the substrate. The coating is on the substrate-facing face between the burls. Between the burls the substrate-facing face has an arrangement of areas. Adjacent areas are separated by a step-change in distance below the support plane. Each step-change is greater than a thickness of the coating.

Method for restoring an illumination system for an EUV apparatus, and detector module
11048173 · 2021-06-29 · ·

A method for restoring an illumination system installed in an EUV apparatus is provided.

Substrate processing apparatus and article manufacturing method

The present invention provides a substrate processing apparatus that processes a substrate, the apparatus including a stage configured to hold and move the substrate, a conveying unit configured to hold and convey the substrate between conveying unit and the stage, an accumulation unit configured to accumulate control information concerning the stage and the conveying unit which is generated by processing the substrate, and a determination unit configured to determine a conveying procedure when conveying the substrate between the stage and the conveying unit by selecting one of a plurality of conveying procedures which can be set for the stage and the conveying unit based on control information accumulated in the accumulation unit.

System and method for converting backside surface roughness to frontside overlay

A system for estimating front side overlay on a sample based on shape data is disclosed. The system includes a characterization sub-system and a controller. The controller includes one or more processors configured to: generate a vacuum hole map of a vacuum chuck; generate a vacuum force distribution across a sample based on the generated vacuum hole map of the vacuum chuck; determine shape data of the sample based on the vacuum force distribution and an identified relationship between backside surface roughness and vacuum force of the vacuum chuck; and convert the shape data of the sample to an overlay value of a frontside surface of the sample.

Lithographic apparatus and device manufacturing method

A lithographic apparatus is provided that has a sensor at substrate level, the sensor including a radiation receiver, a transmissive plate supporting the radiation receiver, and a radiation detector, wherein the sensor is arranged to avoid loss of radiation between the radiation receiver and a final element of the radiation detector.