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:
Dec. 16, 2025

Filed:

Dec. 18, 2020
Applicant:

Lawrence Livermore National Security, Llc, Livermore, CA (US);

Inventors:

Aiden Alexander Martin, Walnut Creek, CA (US);

Philip James Depond, San Mateo, CA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22F 10/28 (2021.01); B22F 10/366 (2021.01); B22F 10/368 (2021.01); B22F 10/85 (2021.01); B22F 12/41 (2021.01); B22F 12/90 (2021.01); B33Y 10/00 (2015.01); B33Y 30/00 (2015.01); B33Y 50/02 (2015.01); B22F 10/31 (2021.01);
U.S. Cl.
CPC ...
B22F 10/28 (2021.01); B22F 10/366 (2021.01); B22F 10/368 (2021.01); B22F 10/85 (2021.01); B22F 12/41 (2021.01); B33Y 10/00 (2014.12); B33Y 30/00 (2014.12); B33Y 50/02 (2014.12); B22F 10/31 (2021.01); B22F 12/90 (2021.01);
Abstract

The present disclosure relates to a system which may have an electronic controller, an optical light source controlled by the electronic controller which generates a beam having an output power level, and a current measuring subsystem (CMS) electrically coupled to a conductive substrate (e.g., metal substrate (MS)) while a powder bed layer (PBL) is deposited on the MS. The CMS may be in communication with the electronic controller and detects a current flow as at least one of the MS or the PBL is heated when the beam is scanned over the PBL. The CMS generates a current flow signal in accordance with the detected current flow. The current flow signal is used by the electronic controller to determine when the temperature of at least one of the substrate or the PBL is at least one of above or below a desired temperature.


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