High-flexibility magnetic dielectric composite substrate material as well as preparation method and application thereof
A composite substrate and flexibility technology, which is applied in chemical instruments and methods, cobalt compounds, inorganic chemistry, etc., can solve the problems that are difficult to meet the flexibility requirements of antenna substrate bending and deformation, and achieve high flexibility, good application prospects, and operation simple effect
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Embodiment 1-3
[0025] The present embodiment 1-3 is a specific embodiment of a highly flexible magnetic dielectric composite substrate material, specifically as follows:
[0026] A high-flexibility magnetic-medium composite substrate material, which is composed of a main phase material and an auxiliary phase material at a mass percentage of 1:0.5-1.5, and the main phase material has an initial magnetic permeability greater than 15 and a cut-off frequency greater than 1GHz hexagonal ferrite, the hexagonal ferrite formula molecular formula is (Ba 0.5+y Sr 0.5-y ) 3 co 1.6+x Zn 0.4-x Fe 23 o 41 , wherein the value range of x is -0.1~0.1, the value range of y is -0.2~0.2, and the auxiliary phase material is polydimethylsiloxane (PDMS);
[0027] The dopant is WO 3 , the doping amount is 0.1-0.3wt%.
[0028] For the preparation method of its highly flexible magnetic-dielectric composite substrate material, please refer to figure 1 As shown, including hexagonal ferrite preparation, polydim...
Embodiment 1
[0039] In Example 1, the main phase material and the auxiliary phase material are 1:0.5 by mass percentage, and the molecular formula of the hexagonal ferrite formula (Ba 0.5+y Sr 0.5-y ) 3 co 1.6+x Zn 0.4-x Fe 23 o 41 x=-0.1, y=-0.2.
[0040] Dopant WO 3 The doping amount is 0.1wt%.
[0041] The preparation of the hexagonal ferrite comprises the following steps:
[0042] Step 1: Fe 2 o 3 、BaCO 3 , SrCO 3 , ZnO and Co 2 o 3 As the initial raw material, x=-0.1, y=-0.2 are substituted into the hexagonal ferrite formula molecular formula, and the formula molecular formula after substitution is (Ba 0.3 Sr 0.7 ) 3 co 1.5 Zn 0.5 Fe 23 o 41 Fe 2 o 3 、BaCO 3 , SrCO 3 , ZnO and Co 2 o 3 The mass percentage of weight, carry out weighing, mixing, dry after ball milling for the first time;
[0043] Step 2: After sieving the first ball mill drying material obtained in Step 1, compact and drill holes in the sintering bowl, and raise the heating rate to 1240°C for ...
Embodiment 2
[0051] In Example 2, the main phase material and the auxiliary phase material are 1:1 by mass percentage, and the molecular formula of the hexagonal ferrite formula (Ba 0.5+y Sr 0.5-y ) 3 co 1.6+x Zn 0.4-x Fe 23 o 41 x=0, y=0.
[0052] Dopant WO 3 The doping amount is 0.2wt%.
[0053] The preparation of the hexagonal ferrite comprises the following steps:
[0054] Step 1: Fe 2 o 3 、BaCO 3 , SrCO 3 , ZnO and Co 2 o 3 As the initial raw material, x=0, y=0 are substituted into the hexagonal ferrite formula molecular formula, and the formula molecular formula after substitution is (Ba 0.5 Sr 0.5 ) 3 co 1.6 Zn 0.4 Fe 23 o 41 Fe 2 o 3 、BaCO 3 , SrCO 3 , ZnO and Co 2 o 3 The mass percentage of weight, carry out weighing, mixing, dry after ball milling for the first time;
[0055] Step 2: After sieving the first ball mill drying material obtained in Step 1, compact and drill holes in the sintering bowl, and raise the heating rate to 1250°C for pre-burning at...
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