Core Viewpoint - Jiangsu Weidao Nano Technology Co., Ltd. has recently published a patent application for a "coating equipment" that aims to enhance heating efficiency in the coating process [1] Summary by Relevant Sections - **Patent Details** - The patent application reveals a coating device that includes a process tube, base, carrier, and coil [1] - The base is positioned within the process tube and functions as a conductor [1] - The carrier, which is also a conductor, is placed on the base to support the substrate [1] - A coil is wound around the outer circumference of the process tube, designed to pass alternating current to generate an alternating magnetic field [1] - The base and carrier work together under the influence of the alternating magnetic field to produce eddy currents for substrate heating [1] - **Technological Advancements** - The described method is expected to improve the heating efficiency of the coating equipment significantly [1]