A glass material with low loss and low voltage electric coefficient d33 in the 20-60ghz high frequency band
A glass material and low-loss technology, which is applied in the field of high-frequency low-loss and low-voltage electric coefficient glass materials and their preparation, can solve the problems of large high-frequency dielectric loss of the substrate, higher sintering process requirements, and poor product performance stability. , to achieve low dielectric constant, low dielectric loss, lower softening point temperature and the effect of dielectric constant
Active Publication Date: 2022-05-17
SHANDONG SINOCERA FUNCTIONAL MATERIAL CO LTD
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Problems solved by technology
The physical and chemical properties of the glass / ceramic system are mainly determined by the added ceramic phase, but the high-frequency dielectric loss of the substrate is large
The dielectric properties and loss properties of the glass-ceramic system are controlled by the type and quantity of precipitated crystals. This type of substrate material has very little residual glass phase after sintering and has excellent high-frequency properties, such as CaO-B 2 o 3 -SiO 2 The application frequency of glass-ceramics can reach 100GHz; however, the crystallization behavior of the glass-ceramic system has higher requirements on the sintering process, and the product performance stability is poor
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[0021] The present invention is further illustrated below in conjunction with an embodiment.
[0022] Examples 1-10 and contrast ratios:
[0023] According to the glass components shown in Table 1, the raw materials are accurately weighed, the dry type is mixed evenly, the mixed raw materials are added to the platinum crucible, and 1200-1400 ° C melted for 2h, the molten glass is poured into the dry quenching machine for rapid cooling and quenching, the glass block obtained by the quenching is added, 2 times the glass quality of pure water and 5 times the mass of the alumina grinding ball is ball milled and dispersed, dried and screened, to obtain Example 1-10 and the proportional glass powder.
[0024] To Example 1-10 and a proportional glass powder, a mass percentage of 1.5wt% of PVA was added, dry pressed, and then sintered at 650 ° C, insulation for 2h, to obtain Example 1-10 and a proportional ceramic sheet.
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Abstract
A glass material with low loss and low voltage electric coefficient d33 in the 20-60GHz high-frequency band, which is prepared from the following components in mass percentage: SiO 2 10-30wt%, B 2 o 3 15‑35wt%, Al 2 o 3 0‑10wt%, MgO 20‑40wt%, CaO 8‑30wt%, BaO 5‑15wt%, ZnO 0‑5wt%, Na 2 O 0-6%, M 2 o 3 >0-1%; wherein, M is any one or more of In, Yb, La or Y. The ceramic sheet prepared from the glass material has low dielectric constant and low dielectric loss in the high frequency band.
Description
Technical field [0001] The present invention relates to the technical field of glass materials for electronic ceramics, in particular a high frequency low loss and low piezoelectric coefficient of glass materials and preparation methods thereof. Background [0002] In recent years, 5G communication technology has created a huge demand for electronic components with high frequency and low loss characteristics in the microwave and millimeter wave bands. Glass materials with low loss and low dielectric constant have become a hot topic of research and have great application potential in the high frequency band. [0003] Glass / ceramic system and glass-ceramic system are LTCC substrate materials widely used at home and abroad. The physicochemical properties of the glass / ceramic system are mainly determined by the added ceramic phase, but the high-frequency dielectric loss of the substrate is large. The dielectric properties and loss properties of glass-ceramic systems are controlled b...
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IPC IPC(8): C03C3/068C03C3/066C03C12/00C03C4/16C04B35/20C04B35/626C04B35/622
CPCC03C3/068C03C3/066C03C12/00C03C4/16C04B35/20C04B35/626C04B35/622C04B2235/96C04B2235/656C04B2235/6567C04B2235/365
Inventor 宋锡滨艾辽东张伟奚洪亮
Owner SHANDONG SINOCERA FUNCTIONAL MATERIAL CO LTD
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