US Patent Issued to TOKUYAMA on Dec. 30 for "Treatment liquid for semiconductors and method for producing same" (Japanese Inventors)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,632, issued on Dec. 30, was assigned to TOKUYAMA Corp. (Yamaguchi, Japan).

"Treatment liquid for semiconductors and method for producing same" was invented by Yuki Kikkawa (Yamaguchi, Japan), Tomoaki Sato (Yamaguchi, Japan), Takafumi Shimoda (Yamaguchi, Japan) and Takayuki Negishi (Yamaguchi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A treatment liquid for a semiconductor containing a group 6 metal, the treatment liquid containing hypobromite ions. Also provided is a treatment liquid for a semiconductor containing a group 6 metal, the treatment liquid characterized by being formed by adding and mixing at least a bromine-containing compoun...