The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 16, 2021
Filed:
Jun. 06, 2017
Commissariat a L'energie Atomique ET Aux Energies Alternatives, Paris, FR;
Christophe Constancias, Sarcenas, FR;
Abstract
A method for projecting a particle beam onto a substrate, the method includes a step of calculating a correction of the scattering effects of the beam by means of a point spread function modelling the forward scattering effects of the particles; a step of modifying a dose profile of the beam, implementing the correction thus calculated; and a step of projecting the beam, the dose profile of which has been modified, onto the substrate, and being wherein the point spread function is, or comprises by way of expression of a linear combination, a two-dimensional double sigmoid function. A method to e-beam lithography is also provided.
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