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:
Feb. 24, 2026

Filed:

Jul. 24, 2023
Applicant:

Applied Materials, Inc., Santa Clara, CA (US);

Inventors:

Chetan Ramachandra Naik, Bengaluru, IN;

Anand Kumar, Bengaluru, IN;

Assignee:

APPLIED MATERIALS, INC., Santa Clara, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 51/02 (2006.01); F16K 1/36 (2006.01); F16K 1/42 (2006.01); F16K 11/04 (2006.01); F16K 27/02 (2006.01); H01J 37/18 (2006.01);
U.S. Cl.
CPC ...
F16K 1/36 (2013.01); F16K 1/42 (2013.01); F16K 11/04 (2013.01); F16K 27/02 (2013.01); F16K 51/02 (2013.01); H01J 37/18 (2013.01); H01J 2237/186 (2013.01); Y10T 137/86759 (2015.04);
Abstract

Embodiments of symmetric flow valves for use in substrate processing chambers are provided herein. In some embodiments, a symmetric flow valve includes: a valve body having sidewalls, a bottom plate, and a top plate that together define an interior volume, wherein the top plate includes a plurality of axisymmetrically disposed openings arranged in a non-linear manner, and wherein the bottom plate includes a port opening; an actuator disposed above the top plate and coupled to a central region of the top plate radially inward of the plurality of axisymmetrically disposed openings; and a poppet disposed in the interior volume and coupled to the actuator to move the poppet vertically within the interior volume, wherein the poppet is configured to selectively seal the plurality of axisymmetrically disposed openings or the port opening.


Find Patent Forward Citations

Loading…