ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,742,253, issued on Sept. 22, was assigned to SILTRONIC AG (Munich).

"Device and method for producing a monocrystalline silicon rod in a zone-melting pulling system" was invented by Patrick Moos (Pleiskirchen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device holds a feed rod in a pulling installation for zone melting. The device has an upper part, a lower part, and three length-adjustable spacer elements. The upper part includes a connecting element, which serves for the fitting into the pulling installation; and a radial alignment element that radially aligns the upper part in the pulling installation. The lower part has three gripping a...