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Sintering method for effectively reducing ferromagnetic resonance line width of Bi-substituted garnet ferrite with high dielectric constant
The invention discloses a sintering method for effectively reducing the ferromagnetic resonance line width of Bi-substituted garnet ferrite with a high dielectric constant, and belongs to the technical field of ferrite materials, the sintering method is a sintering route of heating-multi-stage high and low temperature alternation-cooling. According to the preparation method, the ferromagnetic resonance line width delta H of the garnet type high-dielectric-constant ferrite is improved, the grain size is increased, abnormal growth of grains after long-time sintering is avoided, the sintering difficulty of the Bi-substituted high-dielectric-constant microwave ferrite is reduced, the sintering quality of the ferrite is improved, and the sintering cost is reduced. The improvement of the batch production reliability and stability of the garnet high-dielectric-constant ferrite is facilitated, the development of a batch production process of high-dielectric-constant products is promoted, and the miniaturization development of microwave ferrite devices in China is assisted.
本发明公开了一种有效降低Bi取代的高介电常数石榴石铁氧体铁磁共振线宽的烧结方法，属于铁氧体材料技术领域，所述烧结方法为升温‑多段高低温交替‑降温的烧结路线，本发明通过烧结工艺的改进，改善了石榴石型高介电常数铁氧体的铁磁共振线宽ΔH，提升晶粒尺寸，并且避免了长时间烧结下的晶粒异常长大，降低了Bi取代的高介电常数微波铁氧体的烧结难度，提升了铁氧体的烧结质量，有助于石榴石高介电常数铁氧体的批量生产可靠性和稳定性提升，推动高介电常数产品的批量生产工艺发展，助力我国微波铁氧体器件小型化发展。
Sintering method for effectively reducing ferromagnetic resonance line width of Bi-substituted garnet ferrite with high dielectric constant
The invention discloses a sintering method for effectively reducing the ferromagnetic resonance line width of Bi-substituted garnet ferrite with a high dielectric constant, and belongs to the technical field of ferrite materials, the sintering method is a sintering route of heating-multi-stage high and low temperature alternation-cooling. According to the preparation method, the ferromagnetic resonance line width delta H of the garnet type high-dielectric-constant ferrite is improved, the grain size is increased, abnormal growth of grains after long-time sintering is avoided, the sintering difficulty of the Bi-substituted high-dielectric-constant microwave ferrite is reduced, the sintering quality of the ferrite is improved, and the sintering cost is reduced. The improvement of the batch production reliability and stability of the garnet high-dielectric-constant ferrite is facilitated, the development of a batch production process of high-dielectric-constant products is promoted, and the miniaturization development of microwave ferrite devices in China is assisted.
本发明公开了一种有效降低Bi取代的高介电常数石榴石铁氧体铁磁共振线宽的烧结方法，属于铁氧体材料技术领域，所述烧结方法为升温‑多段高低温交替‑降温的烧结路线，本发明通过烧结工艺的改进，改善了石榴石型高介电常数铁氧体的铁磁共振线宽ΔH，提升晶粒尺寸，并且避免了长时间烧结下的晶粒异常长大，降低了Bi取代的高介电常数微波铁氧体的烧结难度，提升了铁氧体的烧结质量，有助于石榴石高介电常数铁氧体的批量生产可靠性和稳定性提升，推动高介电常数产品的批量生产工艺发展，助力我国微波铁氧体器件小型化发展。
Sintering method for effectively reducing ferromagnetic resonance line width of Bi-substituted garnet ferrite with high dielectric constant
一种有效降低Bi取代的高介电常数石榴石铁氧体铁磁共振线宽的烧结方法
XIE BIN (author) / YANG FEI (author) / LIAO YANG (author) / REN SHIJING (author)
2025-01-07
Patent
Electronic Resource
Chinese
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