Mask manufacturing method
First Claim
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1. A mask manufacturing method, comprising:
- a first step of forming, on a workpiece substrate, a fine pattern on the basis of a pattern of a fine opening having a size of not more than a wavelength of exposure light by irradiating the workpiece substrate with the exposure light through a first mask provided with the fine opening and using near-field light leaking from the fine opening, and a second step of forming a second mask by processing the workpiece substrate on the basis of the fine pattern formed in said first step.
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Abstract
A mask manufacturing method includes a first step of forming, on a workpiece substrate, a fine pattern on the basis of a pattern of a fine opening having a size of not more than a wavelength of exposure light by irradiating the workpiece substrate with the exposure light through a first mask provided with the fine opening and using near-field light leaking from the fine opening; and a second step of forming a second mask by processing the workpiece substrate on the basis of the fine pattern formed in the first step.
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7 Claims
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1. A mask manufacturing method, comprising:
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a first step of forming, on a workpiece substrate, a fine pattern on the basis of a pattern of a fine opening having a size of not more than a wavelength of exposure light by irradiating the workpiece substrate with the exposure light through a first mask provided with the fine opening and using near-field light leaking from the fine opening, and a second step of forming a second mask by processing the workpiece substrate on the basis of the fine pattern formed in said first step. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification