ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,410,102, issued on Sept. 9, was assigned to Mitsubishi Materials Corp. (Tokyo).
"CBN sintered body and cutting tool" was invented by Masashi Momma (Tokyo), Shiro Oguchi (Tokyo), Ryota Takei (Yashio, Japan) and Kenji Yumoto (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cBN-based ultra-high pressure sintered body contains cBN particles and a binder phase. The binder phase contains at least one of a nitride or oxide of Al or a nitride, carbide, or carbonitride of Ti, and a metal boride having an average particle diameter of 20 to 300 nm is dispersed in an amount of 0.1 to 5.0 vol % in the binder phase. The metal boride includes a metal boride (B...