ALEXANDRIA, Va., July 16 -- United States Patent no. 12,668,869, issued on June 30, was assigned to ULVAC INC. (Kanagawa, Japan).
"Evaporation source for vacuum evaporation apparatus" was invented by Takahito Kimoto (Kanagawa, Japan), Masashi Yasuda (Kanagawa, Japan), Toshiharu Kurauchi (Kanagawa, Japan) and Shunsuke Sasaki (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An evaporation source for use in a vacuum evaporation apparatus is provided with: an evaporation boat inclusive of a boat main body with a containing part for an evaporation material, and electrode mounting plate parts respectively extending outward from both ends of the boat main body; and material feeding means for feeding ...