US Patent Issued to ULVAC on April 21 for "Vacuum evaporation method" (Japanese Inventors)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,606,903, issued on April 21, was assigned to ULVAC INC. (Kanagawa, Japan).

"Vacuum evaporation method" was invented by Takahito Kimoto (Kanagawa, Japan), Masashi Yasuda (Kanagawa, Japan), Toshiharu Kurauchi (Kanagawa, Japan), Shunsuke Sasaki (Kanagawa, Japan) and Yuusuke Ujihara (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vacuum evaporation method includes a vaporization step in which use is made of an evaporation boat including: a boat main body having a containing part of an evaporation material as an evaporation source; and electrode mounting plate parts respectively extending outward at both ends of the boat main body. A wire-...