G03F1/38

Substrate with conductive film, substrate with multilayer reflective film, reflective mask blank, reflective mask, and semiconductor device manufacturing method
11561463 · 2023-01-24 · ·

A substrate with a conductive film for manufacturing a reflective mask which has a rear-surface conductive film with high mechanical strength and is capable of correcting positional deviation of the reflective mask from the rear surface side by a laser beam or the like. A substrate with a conductive film has a conductive film formed on one surface of a main surface of a mask blank substrate used for lithography, wherein the conductive film includes a transparent conductive layer provided on a substrate side and an upper layer provided on the transparent conductive layer, the conductive film has a transmittance of 10% or more for light of wavelength 532 nm, the upper layer is made of a material including tantalum (Ta) and boron (B), and the upper layer has a film thickness of 0.5 nm or more and less than 10 nm.

REFLECTIVE MASK AND FABRICATING METHOD THEREOF

The prevent disclosure provides a method for forming a reflective mask. In some embodiments, the method includes forming a carbon-containing layer over a substrate; forming a reflective multilayer over the carbon-containing layer; forming an absorption pattern over the reflective multilayer. In some embodiments, the method includes growing a light absorbing layer over a substrate; polishing the light absorbing layer; forming a reflective layer over the polished light absorbing layer; forming an absorption pattern over the reflective layer.

Method of lithography process using reticle container with discharging device

A reticle, a reticle container and a method of lithography process are provided. The reticle container includes: a cover configured to protect a reticle, a baseplate, and a discharging device on the baseplate. The baseplate has: a top surface configured to engage to the cover and a bottom surface opposite to the top surface. The discharging device is configured to neutralize static charges accumulated on the reticle.

EXPOSURE PATTERN, EXPOSURE MASK USED FOR FORMING SAME, AND METHOD FOR FORMING EXPOSURE PATTERN USING SAME
20230221632 · 2023-07-13 ·

The present disclosure relates to an exposure pattern, an exposure mask, and a method for forming an exposure pattern by the same, and the exposure pattern is an exposure pattern formed by a division exposure, and is characterized by that, in an area where a first exposure area formed by the first exposure and a second exposure area formed by the second exposure overlap each other, an area of a first unit pattern area constituting the first exposure area and an area of a second unit pattern area constituting the second exposure area are different from each other.

EXPOSURE PATTERN, EXPOSURE MASK USED FOR FORMING SAME, AND METHOD FOR FORMING EXPOSURE PATTERN USING SAME
20230221632 · 2023-07-13 ·

The present disclosure relates to an exposure pattern, an exposure mask, and a method for forming an exposure pattern by the same, and the exposure pattern is an exposure pattern formed by a division exposure, and is characterized by that, in an area where a first exposure area formed by the first exposure and a second exposure area formed by the second exposure overlap each other, an area of a first unit pattern area constituting the first exposure area and an area of a second unit pattern area constituting the second exposure area are different from each other.

COMPONENTS OF AN ELECTRONIC DEVICE AND METHODS FOR THEIR ASSEMBLY

Various components of an electronic device housing and methods for their assembly are disclosed. The housing can be formed by assembling and connecting two or more different sections together. The sections of the housing may be coupled together using one or more coupling members. The coupling members may be formed using a two-shot molding process in which the first shot forms a structural portion of the coupling members, and the second shot forms cosmetic portions of the coupling members.

Reticle pod for preventing haze contamination and reticle stocker having the same

A stocker for holding a plurality of reticle pods is provided. Each of the reticle pods is configured to accommodate a reticle assembly. The reticle assembly includes a reticle and a pellicle covering the reticle. The stocker includes a main frame and an electrostatic generator. The main frame has an inner space and at least one pod support disposed in the inner space. The pod support divides the inner space into a plurality of chambers configured to respectively accommodate the plurality of reticle pods. The electrostatic generator is coupled to the reticle assembly and configured to generate static electricity to the reticle assembly. The static electricity alternates between positive electricity and negative electricity.

Reticle pod for preventing haze contamination and reticle stocker having the same

A stocker for holding a plurality of reticle pods is provided. Each of the reticle pods is configured to accommodate a reticle assembly. The reticle assembly includes a reticle and a pellicle covering the reticle. The stocker includes a main frame and an electrostatic generator. The main frame has an inner space and at least one pod support disposed in the inner space. The pod support divides the inner space into a plurality of chambers configured to respectively accommodate the plurality of reticle pods. The electrostatic generator is coupled to the reticle assembly and configured to generate static electricity to the reticle assembly. The static electricity alternates between positive electricity and negative electricity.

Pellicle for flat panel display photomask

A pellicle assembly for large-size photomasks including a frame member configured to be affixed to a large-size photomask substrate, a substantially rigid and transparent pellicle membrane affixed to the frame member so as to protect at least a portion of the large-size photomask substrate from contamination during usage, storage and/or transport, and a coating on at least one of top and bottom surfaces of the pellicle membrane that binds the pellicle membrane to prevent separation of pellicle membrane material in the event of breakage.

Pellicle for flat panel display photomask

A pellicle assembly for large-size photomasks including a frame member configured to be affixed to a large-size photomask substrate, a substantially rigid and transparent pellicle membrane affixed to the frame member so as to protect at least a portion of the large-size photomask substrate from contamination during usage, storage and/or transport, and a coating on at least one of top and bottom surfaces of the pellicle membrane that binds the pellicle membrane to prevent separation of pellicle membrane material in the event of breakage.