G03F7/70291

Exposure Device
20230136440 · 2023-05-04 ·

Provided is an exposure device capable of improving exposure accuracy while ensuring throughput. The exposure device 100 includes: a reflective liquid-crystal modulating device 21, 22; a light source device 10 uniformly illuminating the reflective liquid-crystal modulating device 21, 22 with power-stabilized pulsed laser light in a ultraviolet wavelength band; a projection optical system 30 forming an image of reflected light modulated by the reflective liquid-crystal modulating device 21, 22; and a stage 40 supporting a target on which exposure is performed by a pattern imaged by the projection optical system 30.

Method and apparatus for illuminating image points

A method for the exposure of image points of a photosensitive layer comprising a photosensitive material on a substrate by means of an optical system. The method including continuously moving the image points with respect to the optical system; and controlling a plurality of secondary beams by means of the optical system individually for individual exposures of each image point, whereby the secondary beams are put either into an ON state or into an OFF state, wherein a) secondary beams in the ON state produce an individual exposure of the image point assigned to the respective secondary beam and b) secondary beams in the OFF state do not produce any individual exposure of the image point assigned to the respective secondary beam; wherein, for the generation of image points with grey tones n>1, individual exposures are carried out by different secondary beams with individual doses D.

Systems And Methods For Fabricating Three-Dimensional Objects
20220362971 · 2022-11-17 ·

A system including a container for holding a photosensitive medium adapted to change states upon exposure to a light source, an optical imaging system, configured to move above the container holding the photosensitive medium, and having the light source, and a control system configured to: slice a digital model of a three-dimensional object into a slice having a cross-section, generate a build cross-section by filling a two-dimensional image with one or more copies of the cross-section, add to the build cross-section a conformal lattice to fill space in the build cross-section around the one or more copies of the cross-section, and control movement of the optical imaging system above the container to cure a portion of the photosensitive medium corresponding to the build cross-section to produce a layer of a three-dimensional object.

GAMMA RAY GENERATOR AND METHOD OF GENERATING GAMMA RAY

A gamma ray generator includes a rotational shaft, a plurality of holders and a plurality of gamma ray sources. The holders are connected to the rotational shaft. The gamma ray sources are disposed in the holders respectively, wherein the holders respectively have an upper portion and a lower portion connecting to the upper portion, and the gamma ray source is placed at an interface between the upper portion and the lower portion.

USE OF ADAPTIVE REPLACEMENT MAPS IN DIGITAL LITHOGRAPHY FOR LOCAL CELL REPLACEMENT
20230169253 · 2023-06-01 ·

Embodiments described herein relate to a system, software, and a method of using the system to edit a design to be printed by a lithography system. The system and methods utilize a server of a maskless lithography device. The server includes a memory. The memory includes a virtual mask file. The virtual mask file includes cells and the cells include sub-cells that form one or more polygons. The server further includes a controller coupled to the memory. The controller is configured to receive a replacement table. The replacement table includes instructions to replace the cells of the virtual mask file. The controller is further configured to replace the cells with replacement cells according to the replacement table to create an edited virtual mask file.

Optical component

An optical component comprising a mirror array having a multiplicity of mirror elements, which each have at least one degree of freedom of displacement, and which are each connected to at least one actuator for displacement, has a multiplicity of local regulating devices for damping oscillations of the mirror elements, wherein each of the regulating devices in each case has at least one capacitive sensor having at least one moveable electrode and at least one electrode arranged rigidly relative to the carrying structure.

Flow through MEMS package

A flow through Micro-Electromechanical Systems (MEMS) package and methods of operating a MEMS packaged using the same are provided. Generally, the package includes a cavity in which the MEMS is enclosed, an inlet through which a fluid is introduced to the cavity during operation of the MEMS and an outlet through which the fluid is removed during operation of the MEMS, wherein the package includes features that promote laminar flow of the fluid across the MEMS. The package and method are particularly useful in packaging spatial light modulators including a reflective surface and adapted to reflect and modulate a light beam incident thereon. Other embodiments are also provided.

Radiation modulator for a lithography apparatus, a lithography apparatus, a method of modulating radiation for use in lithography, and a device manufacturing method

A radiation modulator for a lithography apparatus, a lithography apparatus, a method of modulating radiation for use in lithography, and a device manufacturing method is disclosed. The radiation modulator for a lithography apparatus may have a plurality of waveguides supporting propagation therethough of radiation having a wavelength less than 450 nm; and a modulating section configured to individually modulate radiation propagating in each of the waveguides in order to provide a modulated plurality of output beams.

ILLUMINATION SYSTEM

An illumination system for a lithographic apparatus includes an array of lenses configured to receive a radiation beam and focus the beam into a plurality of sub-beams, an array of reflective elements configured to receive the sub-beams and reflect the sub-beams so as to form an illumination beam, a beam splitting device configured to split the illumination beam into a first portion and a second portion wherein the first portion is directed to be incident on a lithographic patterning device, a focusing unit configured to focus the second portion of the illumination beam onto a detection plane such that an image is formed at the detection plane and wherein the image is an image of the sub-beams in which the sub-beams do not overlap with each other and an array of detector elements configured to measure the intensity of radiation which is incident on the detection plane.

METHOD TO REDUCE LINE WAVINESS

Embodiments disclosed herein relate to an exposure pattern alteration software application which manipulates exposure polygons having lines with angles substantially close to angles of symmetry of a hex close pack arrangement, which suffer from long jogs. Long jogs present themselves as high edge placement error regions. As such, the exposure pattern alteration software application provides for line wave reduction by serrating polygon edges at affected angles to reduce edge placement errors during maskless lithography patterning in a manufacturing process.