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Carlos A. Fonseca, Fishkill US

Carlos A. Fonseca, Fishkill, NY US

Patent application numberDescriptionPublished
20100055624METHOD OF PATTERNING A SUBSTRATE USING DUAL TONE DEVELOPMENT - A method for patterning a substrate is described. In particular, the invention relates to a method for double patterning a substrate using dual tone development. Further, the invention relates to optimizing a dual tone development process.03-04-2010
20100055625METHOD OF PROCESS OPTIMIZATION FOR DUAL TONE DEVELOPMENT - A method for patterning a substrate is described. In particular, the invention relates to a method for double patterning a substrate using dual tone development. Further, the invention relates to optimizing a dual tone development process.03-04-2010
20100068654METHOD FOR CREATING GRAY-SCALE FEATURES FOR DUAL TONE DEVELOPMENT PROCESSES - A method of patterning a substrate using a dual-tone development process is described. The patterning method comprises forming a layer of radiation-sensitive material on a substrate, wherein the layer of radiation-sensitive material comprises a dual tone resist. Thereafter, the patterning method comprises performing one or more exposures of the layer of radiation-sensitive material to one or more patterns of radiation, wherein at least one of the one or more exposures comprises using a mask having a dual-tone mask pattern region configured for printing dual tone features and a half-tone mask pattern region configured for printing half-tone features. Furthermore, the half-tone mask pattern region is optimized for use with the dual tone resist.03-18-2010
20100075238Variable Resist Protecting Groups - A method and system for patterning a substrate using a dual-tone development process is described. The method and system comprise using a resist material having a polymer backbone with a plurality of protecting groups attached thereto to improve process latitude and critical dimension uniformity for the dual-tone development process.03-25-2010
20100119960Dual Tone Development Processes - A method and system for patterning a substrate using a dual-tone development process is described. The method and system comprise using a resist material having a polymer backbone with a plurality of protecting groups attached thereto to improve process latitude and critical dimension uniformity for the dual-tone development process.05-13-2010
20100273099Flood exposure process for dual tone development in lithographic applications - A method and system for patterning a substrate using a dual tone development process is described. The method and system comprise a flood exposure of the substrate to improve process latitude for the dual tone development process.10-28-2010
20100273107Dual tone development with a photo-activated acid enhancement component in lithographic applications - A method and system for patterning a substrate using a lithographic process, such as a dual tone development process, is described. The method comprises use of at least one photo-activated acid enhancement component to improve process latitude for the dual tone development process.10-28-2010
20100273111Dual tone development with plural photo-acid generators in lithographic applications - A method and system for patterning a substrate using a dual tone development process is described. The method comprises use of plural photo-acid generators with or without a flood exposure of the substrate to improve process latitude for the dual tone development process.10-28-2010