US Patent Issued to Mitsubishi Materials on Nov. 3 for "cBN sintered compact" (Japanese Inventor)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,781,315, issued on Nov. 3, was assigned to Mitsubishi Materials Corp. (Tokyo).

"cBN sintered compact" was invented by Masahiro Yano (Naka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cBN sintered compact includes a binder phase that contains a Ti-Al alloy containing at least one of the Si, Mg, and Zn elements, Ti2CN, TiB2, AlN, and Al2O3; the ratio ITi2CN/ITiAl is 2.0 or more and 30.0 or less, wherein ITi2CN represents the intensity of the Ti2CN peak appearing at 2Theta from 41.9deg to 42.2deg and ITiAl represents the intensity of the Ti-Al alloy peak appearing at 2Theta from 39.0deg to 39.3deg in XRD; and, in the mapped image of each element ...