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:
Nov. 18, 2025
Filed:
Apr. 28, 2022
Elevated Materials Us Llc, Santa Clara, CA (US);
Sambhu Kundu, Fremont, CA (US);
Prasannakalleshwara Buddappa Ramachandrappa, Santa Clara, CA (US);
Subramanya P. Herle, Mountain View, CA (US);
Visweswaren Sivaramakrishnan, Cupertino, CA (US);
Elevated Materials US LLC, Santa Clara, CA (US);
Abstract
Embodiments of the present disclosure generally relate to flexible substrate fabrication. In particular, embodiments described herein relate to an apparatus and methods for flexible substrate fabrication using nip rollers to improve tension uniformity. In one embodiment, a roller assembly includes a primary roller for transporting a flexible substrate, wherein the primary roller has a first end and a second end, wherein the flexible substrate has a coating disposed hereon, and wherein one or more edge regions are not covered by the coating. The roller assembly further includes a first nip roller disposed at the first end of the primary roller that contacts a first edge region of the one or more edge regions, and a second nip roller disposed at the second end of the primary roller that contacts a second edge region of the one or more edge regions.