US Patent Issued to CHANGXIN MEMORY TECHNOLOGIES on April 22 for "Gas pressure balance valve, gas pressure balance method, and load locking chamber" (Chinese Inventors)

ALEXANDRIA, Va., June 6 -- United States Patent no. 12,281,723, issued on April 22, was assigned to CHANGXIN MEMORY TECHNOLOGIES INC. (Hefei, China).

"Gas pressure balance valve, gas pressure balance method, and load locking chamber" was invented by Wenzhe Li (Hefei, China) and Wenbo Zhang (Hefei, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A gas pressure balance valve includes a valve body, a one-way valve and a buffer assembly. The valve body includes a gas inlet end and a gas outlet end, the gas inlet end is connected with a first gas pressure area, the gas outlet end is connected with a second gas pressure area, and a pressure difference is existed between the first gas pressure area and the sec...