ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,772,372, issued on Oct. 20.
"Shieldable circuit board structure" was invented by Chen-Wei Su (Taipei City, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A shieldable circuit board structure includes a circuit board with a plurality of electronic components with chips welded on the surface thereof, a copper foil layer arranged in the circuit board and extends to the surface position of the outer periphery of each electronic component, and a three-layer structure of insulating layer, conductive layer and protective layer stacked on the circuit board. The deionized water and volatile alcohols in the components of each of the layers has a large numb...