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Improved silicon oxide ceramic antenna window and composite compression molding method thereof
The invention discloses an improved silicon oxide ceramic antenna window. The density of the antenna window is 1.8-1.9 g/cm < 3 >, the bending strength is 55-65 MPa, the tensile strength is 35-45 MPa, the heat conductivity coefficient is 0.5-0.6 W/m.k, the dielectric constant is 3-3.8, and the loss tangent is 0.0004-0.0006. The improved composite compression molding method of the silicon oxide ceramic antenna window comprises the steps of premix preparation, feeding, compression molding treatment, drying, high-temperature treatment, dipping, heat treatment after dipping and polishing and finishing. The silicon oxide ceramic antenna window obtained through the composite compression molding method is good in surface quality and free of pits, slag falling, cracking and the like, and has the advantages of being high in apparent mass, high in mechanical strength, high in density and stable in performance. According to the compression molding method, molding can be rapidly completed, machining is not needed, and the compression molding method has the advantages of being simple in process, high in production efficiency, high in yield, stable in product performance and low in production cost.
本发明公开了一种改进的氧化硅陶瓷天线窗口，其密度为1.8～1.9g/cm3，弯曲强度为55～65MPa，拉伸强度为35～45MPa，导热系数为0.5～0.6W/m·k，介电常数为3～3.8，损耗角正切为0.0004～0.0006。上述改进的氧化硅陶瓷天线窗口的复合模压成型方法包括预混料制备、加料、模压处理、干燥、高温处理、浸渍、浸渍后热处理和打磨修整。通过本发明的复合模压成型方法得到的氧化硅陶瓷天线窗口表面质量好，无凹坑、掉渣、开裂等情况，具有高表观质量、高力学强度、高密度、性能稳定的优点。本发明的模压成型方法可快速完成成型，无需机械加工，具有工艺简单、生产效率高、成品率高、产品性能稳定、生产成本低的优点。
Improved silicon oxide ceramic antenna window and composite compression molding method thereof
The invention discloses an improved silicon oxide ceramic antenna window. The density of the antenna window is 1.8-1.9 g/cm < 3 >, the bending strength is 55-65 MPa, the tensile strength is 35-45 MPa, the heat conductivity coefficient is 0.5-0.6 W/m.k, the dielectric constant is 3-3.8, and the loss tangent is 0.0004-0.0006. The improved composite compression molding method of the silicon oxide ceramic antenna window comprises the steps of premix preparation, feeding, compression molding treatment, drying, high-temperature treatment, dipping, heat treatment after dipping and polishing and finishing. The silicon oxide ceramic antenna window obtained through the composite compression molding method is good in surface quality and free of pits, slag falling, cracking and the like, and has the advantages of being high in apparent mass, high in mechanical strength, high in density and stable in performance. According to the compression molding method, molding can be rapidly completed, machining is not needed, and the compression molding method has the advantages of being simple in process, high in production efficiency, high in yield, stable in product performance and low in production cost.
本发明公开了一种改进的氧化硅陶瓷天线窗口，其密度为1.8～1.9g/cm3，弯曲强度为55～65MPa，拉伸强度为35～45MPa，导热系数为0.5～0.6W/m·k，介电常数为3～3.8，损耗角正切为0.0004～0.0006。上述改进的氧化硅陶瓷天线窗口的复合模压成型方法包括预混料制备、加料、模压处理、干燥、高温处理、浸渍、浸渍后热处理和打磨修整。通过本发明的复合模压成型方法得到的氧化硅陶瓷天线窗口表面质量好，无凹坑、掉渣、开裂等情况，具有高表观质量、高力学强度、高密度、性能稳定的优点。本发明的模压成型方法可快速完成成型，无需机械加工，具有工艺简单、生产效率高、成品率高、产品性能稳定、生产成本低的优点。
Improved silicon oxide ceramic antenna window and composite compression molding method thereof
改进的氧化硅陶瓷天线窗口及其复合模压成型方法
LIU JUNJUN (author) / SHE PINGJIANG (author) / LUO QI (author) / ZHANG JIAMING (author)
2024-04-05
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
/
B28B
Formgeben von Ton oder anderen keramischen Stoffzusammensetzungen, Schlacke oder von Mischungen, die zementartiges Material enthalten, z.B. Putzmörtel
,
SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG OR MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
/
H01Q
Antennen
,
ANTENNAS, i.e. RADIO AERIALS
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