US Patent Issued to MITSUI KINZOKU on May 12 for "Methods for manufacturing laminated plate and heat generator, and defroster" (Japanese Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,623,447, issued on May 12, was assigned to MITSUI KINZOKU COMPANY Ltd. (Tokyo).

"Methods for manufacturing laminated plate and heat generator, and defroster" was invented by Makoto Hosokawa (Ageo, Japan) and Toshiyuki Shimizu (Ageo, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a method for manufacturing a laminate that is excellent in adhesion between the copper foil and the resin film while using a polyvinyl acetal resin having low reactivity with the copper foil. This method includes the steps of providing a copper foil having on at least one side a treated surface on which an amount of nitrogen is 3.0 atomic % or more and 20.0 atom...