该层叠结构的磁芯(1)优选在各树脂层中使用聚合物系树脂，在磁性体粉末中使用软性铁氧体粉末。
Preferably, in the core (1) of laminate structure, a polymer resin is used in each of the resin layers and a soft ferrite powder is used as the magnetic powder.
本发明的聚烯烃类树脂发泡体具有优异的柔软性和缓冲性，并且具有良 好的加工性，尤其是优异的切割加工性。
The polyolefin resin foam is excellent in flexibility and cushioning properties, and has good processability, particularly excellent trimming processability.
本发明的树脂组合物无卤无磷无硅，具有阻燃性、优异的耐热性、柔软性和较好的力学性能；
The halogen-free phosphate-free silicon-free resin composition of the invention has flame retardant performance, excellent heat resistance and flexibility and better mechanical property;
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