Ultrathin flexible high-performance planar inductor and preparation method thereof

• Main Authors: JIANG XUEGUANG, FANG WEN, JIANG WEI, CHEN FENG, HAYASHI AKIRA
• Format: Patent
• Language: Chinese; English
• Published: 28.07.2023
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; INDUCTANCES; MAGNETS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES; TRANSFORMERS

The invention relates to the field of inductor manufacturing, in particular to an ultrathin flexible high-performance planar inductor and a preparation method thereof, and the IPC classification number of the planar inductor is H01F. The ultrathin flexible high-performance planar inductor is prepared from the following raw materials in parts by weight: 80 to 100 parts of inorganic metal powder, 6 to 8 parts of reinforced resin, 113 to 142 parts of solvent, 0.5 to 0.7 part of homogenizing agent, 0.4 to 0.6 part of bridging agent and 20 to 30 parts of copper foil. The preparation method comprises the following steps: performing nickel plating passivation on inorganic metal powder, adding reinforced resin, a solvent, a homogenizing agent and a bridging agent, stirring and mixing to obtain a mixture, coating the mixture into a film by using a scraper, and performing vacuum hot pressing on the film and a copper foil to prepare the ultrathin flexible high-performance planar inductor. The preparation process is simp