Electromagnetic shield piece is used to wireless charging

• Main Authors: Yang Kai, Su Linping, Yao Wenfeng, Wu Changhe, Zhou Kunrong, Yang Zhaoguo, Li Jiahong
• Format: Patent
• Language: Chinese; English
• Published: 10.08.2016
• Subjects: ALLOYS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; CHEMISTRY; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; FERROUS OR NON-FERROUS ALLOYS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS; METALLURGY; PRINTED CIRCUITS; TREATMENT OF ALLOYS OR NON-FERROUS METALS

The utility model provides an electromagnetic shield piece is used to wireless charging. Include: stromatolithic amorphous, nanometer crystal layer, the encirclement is in cyclic annular high magnetic conduction around stromatolithic amorphous, the nanometer crystal layer closes gold sheet, and laminate in stromatolithic amorphous, nanometer crystal layer and cyclic annular high magnetic conduction close gold sheet's ferrite magnetic sheet, graphite flake and coil. The number of piles of stromatolithic amorphous, nanometer crystal layer is at least 1 layer, preferred 3~10 layers, the number of piles that high magnetic conduction closed gold sheet is at least 1 layer, preferred 2~10 layers. The utility model discloses an electromagnetic shield piece is used to wireless charging can further improve charge efficiency, reduces the loss. 本实用新型提供种无线充电用电磁屏蔽片。包括：叠层的非晶、纳米晶层；包围在所述叠层的非晶、纳米晶层周围的环状高导磁合金片；以及贴合于所述叠层的非晶、纳米晶层和环状高导磁合金片的铁氧体磁片、石墨片以及线圈。所述叠层的非晶、纳米晶层的层数为至少1层，优选3～10层；所述高导磁合金片的层数为至少1层，优选2～10层。本实用新型的无线充电用电磁屏蔽片，可以进步提高充