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The invention belongs to the technical field of microwave circulators, and particularly relates to ferrite suitable for a millimeter wave microstrip circulator and a preparation method and application thereof, the ferrite is applied to a K wave band, the ferrite is NiZn spinel type ferrite prepared by adopting a tape casting process, and the ferrite is prepared from the following raw materials in mole percentage: 49-51 mol% of Fe2O3, 17-19 mol% of ZnO, 3-4 mol% of CuO, 0.2-0.5 mol% of CoO and 25-30 mol% of NiO; the preparation method of the ferrite comprises the following steps: carrying out multiple times of ball milling, pre-sintering, curtain coating and sintering on ferrite raw materials; the microstrip circulator/microstrip isolator prepared from the ferrite can be suitable for the K wave band, and has the advantages of small insertion loss and high performance of the microstrip circulator/microstrip isolator.
本发明属于微波环行器技术领域，特别涉及适用于毫米波微带环形器的铁氧体及其制备方法和应用，其中，所述铁氧体应用于K波段，所述铁氧体为采用流延工艺制备得到的NiZn尖晶石型铁氧体，包括如下按摩尔百分比计的原料组成：49～51mol％Fe2O3，17～19mol％ZnO，3～4mol％CuO，0.2～0.5mol％CoO和25～30％NiO；所述铁氧体的制备方法包括对铁氧体原料进行多次球磨、预烧、流延和烧结的工艺；由所述铁氧体制备得到的微带环行器/微带隔离器可适用于K波段，并且具有插损小、微带环行器/微带隔离器性能高的优势。
The invention belongs to the technical field of microwave circulators, and particularly relates to ferrite suitable for a millimeter wave microstrip circulator and a preparation method and application thereof, the ferrite is applied to a K wave band, the ferrite is NiZn spinel type ferrite prepared by adopting a tape casting process, and the ferrite is prepared from the following raw materials in mole percentage: 49-51 mol% of Fe2O3, 17-19 mol% of ZnO, 3-4 mol% of CuO, 0.2-0.5 mol% of CoO and 25-30 mol% of NiO; the preparation method of the ferrite comprises the following steps: carrying out multiple times of ball milling, pre-sintering, curtain coating and sintering on ferrite raw materials; the microstrip circulator/microstrip isolator prepared from the ferrite can be suitable for the K wave band, and has the advantages of small insertion loss and high performance of the microstrip circulator/microstrip isolator.
本发明属于微波环行器技术领域，特别涉及适用于毫米波微带环形器的铁氧体及其制备方法和应用，其中，所述铁氧体应用于K波段，所述铁氧体为采用流延工艺制备得到的NiZn尖晶石型铁氧体，包括如下按摩尔百分比计的原料组成：49～51mol％Fe2O3，17～19mol％ZnO，3～4mol％CuO，0.2～0.5mol％CoO和25～30％NiO；所述铁氧体的制备方法包括对铁氧体原料进行多次球磨、预烧、流延和烧结的工艺；由所述铁氧体制备得到的微带环行器/微带隔离器可适用于K波段，并且具有插损小、微带环行器/微带隔离器性能高的优势。
Ferrite suitable for millimeter wave microstrip circulator and preparation method and application thereof
适用于毫米波微带环形器的铁氧体及其制备方法和应用
2021-10-01
Patent
Electronic Resource
Chinese
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