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:
Aug. 16, 2022
Filed:
Nov. 14, 2019
Applied Materials, Inc., Santa Clara, CA (US);
Dakshalkumar Patel, Gujarat, IN;
Girish Kumar Chaturvedi, Bangalore, IN;
Bahubali S. Upadhye, Bangalore, IN;
Sumedh Acharya, Bangalore, IN;
Mahendran Chidambaram, Saratoga, CA (US);
Nilesh Chimanrao Bagul, Karnataka, IN;
Applied Materials, Inc., Santa Clara, CA (US);
Abstract
An additive manufacturing apparatus includes a platform, a dispenser configured to deliver a plurality of successive layers of feed material onto the platform, at least one energy source to selectively fuse feed material in a layer on the platform, and an air knife assembly. The air knife assembly includes an inlet unit to deliver gas over the platform and an exhaust unit to receive gas from over the platform. The inlet unit includes a multi-chamber plenum, a gas inlet, and a gas distribution module. The multi-chamber plenum has a plurality of vertically stacked chambers that are fluidically connected, with a first chamber of the plurality of vertically stacked chambers positioned at a higher elevation than a collection chamber of the plurality of vertically stacked chambers.