US Patent Issued to SUMITOMO ELECTRIC INDUSTRIES, SUMITOMO ELECTRIC PRINTED CIRCUITS on Nov. 4 for "Wet treatment apparatus and method of manufacturing flexible printed circuit board" (Japanese Inventors)

ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,460,312, issued on Nov. 4, was assigned to SUMITOMO ELECTRIC INDUSTRIES LTD. (Osaka, Japan) and SUMITOMO ELECTRIC PRINTED CIRCUITS INC. (Shiga, Japan).

"Wet treatment apparatus and method of manufacturing flexible printed circuit board" was invented by Kousuke Miura (Osaka, Japan), Koji Nitta (Osaka, Japan) and Shoichiro Sakai (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A wet treatment apparatus is configured to treat a continuously moving sheet-shaped workpiece and includes a wet treatment tank including a side surface portion having a first slit, a pair of rolls located outside the wet treatment tank, the pair of rolls being spaced apa...