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.

Date of Patent:
Nov. 10, 2026

Filed:

Nov. 27, 2023
Applicant:

Illumina, Inc., San Diego, CA (US);

Inventors:

Jeffrey S. Fisher, San Diego, CA (US);

Sahngki Hong, San Diego, CA (US);

Lewis J. Kraft, San Diego, CA (US);

David Prescott, San Diego, CA (US);

Brandon Wenning, San Diego, CA (US);

Weixian XI, San Diego, CA (US);

Assignee:

Illumina, Inc., San Diego, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F 7/039 (2006.01); G03F 7/038 (2006.01); G03F 7/11 (2006.01); G03F 7/20 (2006.01);
U.S. Cl.
CPC ...
G03F 7/039 (2013.01); G03F 7/038 (2013.01); G03F 7/11 (2013.01); G03F 7/2004 (2013.01);
Abstract

In an example method, a positive photoresist is deposited over a substrate that includes depressions separated by interstitial regions. The positive photoresist is exposed to ultraviolet light at an angle that is non-perpendicular, non-parallel, and offset from a surface plane of the depressions such that a first portion of the positive photoresist in each depression remains soluble and a second portion of the positive photoresist in each depression is rendered insoluble. The soluble portions of the positive photoresist are removed, which exposes a first substrate portion in each depression. A first functionalized layer is deposited over the first substrate portion in each depression. The insoluble portions of the positive photoresist are removed, which exposes a second substrate portion in each depression. The second functionalized layer is selectively deposited over the second substrate portion in each depression.


Find Patent Forward Citations

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Fisher, Jeffrey. (2026). Methods for making flow cells (U.S. Patent No. 12791939). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12791939

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