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The invention provides a microwave ferrite magnetic sheet, a preparation method and applications thereof. The raw materials of the magnetic sheet comprise a main raw material and an auxiliary raw material, wherein the main raw material comprises an oxide of a Fe element and an oxide of a Y element, and the auxiliary raw material comprises Ca element, Sn element, Mn element and In element. The preparation method comprises the following steps: 1) mixing the raw materials according to the formula ratio, and carrying out first crushing to obtain a first crushing material; 2) pre-sintering the first crushing material to obtain a pre-sintered material; 3) carrying out second crushing on the pre-sintered material to obtain a second crushing material; and (4) granulating and molding the second crushing material, and sintering to obtain the microwave ferrite magnetic sheet. According to the microwave ferrite magnetic sheet provided by the invention, the saturation magnetization intensity of thematerial is improved by adjusting the formula, so that the size of an isolator is reduced, and the high saturation magnetization intensity can increase the bandwidth of a device.
本发明提供了一种微波铁氧体磁片及其制备方法和用途。所述磁片的原材料包括主原料和辅助原料，所述主原料包括Fe元素的氧化物和Y元素的氧化物，所述辅助原料包括Ca元素、Sn元素、Mn元素和In元素。所述制备方法包括：1)按照配方量将各原材料混合，进行第一次破碎，得到一次破碎料；2)对一次破碎料进行预烧结，得到预烧料；3)对预烧料进行第二次破碎，得到二次破碎料；4)对二次破碎料进行造粒和成型，并进行烧结，得到所述微波铁氧体磁片。本发明提供的微波铁氧体磁片通过配方上的调整，提高材料的饱和磁化强度，从而实现缩小隔离器尺寸的目的，同时更高的饱和磁化强度，可以增加器件的带宽。
The invention provides a microwave ferrite magnetic sheet, a preparation method and applications thereof. The raw materials of the magnetic sheet comprise a main raw material and an auxiliary raw material, wherein the main raw material comprises an oxide of a Fe element and an oxide of a Y element, and the auxiliary raw material comprises Ca element, Sn element, Mn element and In element. The preparation method comprises the following steps: 1) mixing the raw materials according to the formula ratio, and carrying out first crushing to obtain a first crushing material; 2) pre-sintering the first crushing material to obtain a pre-sintered material; 3) carrying out second crushing on the pre-sintered material to obtain a second crushing material; and (4) granulating and molding the second crushing material, and sintering to obtain the microwave ferrite magnetic sheet. According to the microwave ferrite magnetic sheet provided by the invention, the saturation magnetization intensity of thematerial is improved by adjusting the formula, so that the size of an isolator is reduced, and the high saturation magnetization intensity can increase the bandwidth of a device.
本发明提供了一种微波铁氧体磁片及其制备方法和用途。所述磁片的原材料包括主原料和辅助原料，所述主原料包括Fe元素的氧化物和Y元素的氧化物，所述辅助原料包括Ca元素、Sn元素、Mn元素和In元素。所述制备方法包括：1)按照配方量将各原材料混合，进行第一次破碎，得到一次破碎料；2)对一次破碎料进行预烧结，得到预烧料；3)对预烧料进行第二次破碎，得到二次破碎料；4)对二次破碎料进行造粒和成型，并进行烧结，得到所述微波铁氧体磁片。本发明提供的微波铁氧体磁片通过配方上的调整，提高材料的饱和磁化强度，从而实现缩小隔离器尺寸的目的，同时更高的饱和磁化强度，可以增加器件的带宽。
Microwave ferrite magnetic sheet, preparation method and applications thereof
一种微波铁氧体磁片及其制备方法和用途
2020-04-14
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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