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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.:

US 12172374 B1

PDFFull Text
Date of Patent:
Dec. 24, 2024

Filed:

Dec. 04, 2023

Additive process for circular printing

Applicant:

Texas Instruments Incorporated, Dallas, TX (US);

Inventors:

Daniel Lee Revier, Seattle, WA (US);

Sean Ping Chang, Richardson, TX (US);

Benjamin Stassen Cook, Los Gatos, CA (US);

Assignee:

Texas Instruments Incorporated, Dallas, TX (US);

Attorneys:

Andrew R. Ralston

Frank D. Cimino

Primary Examiner:

Michael J Brown

Int. Cl.
CPC ...
B29C 64/165 (2017.01); B22F 10/00 (2021.01); B22F 10/14 (2021.01); B22F 12/37 (2021.01); B22F 12/53 (2021.01); B22F 12/55 (2021.01); B22F 12/57 (2021.01); B28B 1/00 (2006.01); B33Y 10/00 (2015.01); B33Y 30/00 (2015.01); B33Y 70/00 (2020.01); B33Y 80/00 (2015.01); H01L 21/02 (2006.01); H01L 21/288 (2006.01); H01L 21/67 (2006.01); B22F 12/00 (2021.01); B22F 12/41 (2021.01); B22F 12/49 (2021.01); B29C 64/241 (2017.01); B29L 31/34 (2006.01); C04B 35/14 (2006.01);
U.S. Cl.
CPC ...
B29C 64/165 (2017.08); B22F 10/00 (2021.01); B22F 10/14 (2021.01); B22F 12/37 (2021.01); B22F 12/53 (2021.01); B22F 12/55 (2021.01); B22F 12/57 (2021.01); B28B 1/001 (2013.01); B33Y 10/00 (2014.12); B33Y 30/00 (2014.12); B33Y 70/00 (2014.12); B33Y 80/00 (2014.12); H01L 21/02164 (2013.01); H01L 21/0217 (2013.01); H01L 21/02288 (2013.01); H01L 21/02532 (2013.01); H01L 21/02595 (2013.01); H01L 21/02623 (2013.01); H01L 21/288 (2013.01); H01L 21/6715 (2013.01); B22F 12/226 (2021.01); B22F 12/41 (2021.01); B22F 12/49 (2021.01); B29L 2031/34 (2013.01);
Abstract

A layer of additive material is formed in a circular printing area on a substrate using additive sources distributed across a printing zone. The additive sources form predetermined discrete amounts of the additive material. The substrate and the additive sources are rotated with respect to each other around a center of rotation, so that a pattern of the additive material is formed in a circular printing area on the substrate. Each additive source receives actuation waveforms at an actuation frequency that is proportional to a distance of the additive source from the center of rotation. The actuation waveforms include formation signals, with a maximum of one formation signal in each cycle of the actuation frequency. The formation signals result in the additive sources forming the predetermined discrete amounts of the additive material on the substrate.

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