A kind of high q value microwave dielectric ceramic and aluminum ultra-low temperature co-firing method and high q value microwave dielectric ceramic preparation method
A technology of microwave dielectric ceramics and co-firing, which is applied in the direction of printed circuit manufacturing, conductive pattern formation, printed circuit components, etc., can solve the problems of increasing the manufacturing cost of components, reduce the manufacturing cost, improve the sintering activity, and accelerate the densification The effect of the process
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specific Embodiment approach 1
[0037] Combine below Figure 1-9 Describe this implementation mode, a method for ultra-low temperature co-firing of high-Q microwave dielectric ceramics and aluminum, using spark plasma sintering SPS technology to perform rapid ultra-low-temperature co-firing between high-Q microwave dielectric ceramics and aluminum.
[0038] Described this preparation method comprises the following steps:
[0039] Step 1: Add CuMoO 4 The ceramic powder is fully mixed with the solvent, and the dispersant, binder, plasticizer and defoamer are added in sequence, and the mixing is continued for 8 to 12 hours to obtain CuMoO 4 cast slurry;
[0040] Step 2: CuMoO 4 The tape casting slurry was prepared by tape casting process to CuMoO 4 Porcelain belt;
[0041] Step 3: CuMoO 4 Porcelain strips are trimmed, and the trimmed CuMoO 4 The raw porcelain tape adopts the screen printing process to print the circuit with aluminum paste;
[0042] Step 4: Finished CuMoO by screen printing process 4 Th...
specific Embodiment approach 2
[0058] Combine below Figure 1-9 Description of this embodiment, a method for ultra-low temperature co-firing of high-Q microwave dielectric ceramics and aluminum, using spark plasma sintering SPS technology to perform rapid ultra-low-temperature co-firing between high-Q microwave dielectric ceramics and aluminum, the preparation method includes the following steps :
[0059] Step 1: According to CuMoO 4 The stoichiometric ratio of CuO and MoO was weighed 3 , placed in a mixing tank, using ethanol or isopropanol as the ball milling medium, and ball milling for 10 to 20 hours to fully mix, take it out, spin dry to remove the ball milling medium, and then sieve the powder for use;
[0060] Step 2: Put the above mixed powder into a crucible, place it in a resistance furnace, raise the temperature to 550-650°C in an air atmosphere, keep it warm for 5-10 hours, and cool with the furnace, wherein the heating rate is 1-5°C / min;
[0061] Step 3: Put the above product into a ball ...
specific Embodiment approach 3
[0068] Combine below Figure 1-9 Description of this embodiment, a method for ultra-low temperature co-firing of high-Q microwave dielectric ceramics and aluminum, using spark plasma sintering SPS technology to perform rapid ultra-low-temperature co-firing between high-Q microwave dielectric ceramics and aluminum, the preparation method includes the following steps :
[0069] Step 1: Weigh CuO and MoO in a molar ratio of 1:1 3 , placed in a mixing tank, using ethanol as the ball milling medium, and ball milling for 10 to 20 hours to fully mix, take it out, spin dry to remove the ball milling medium, and then sieve the powder for use;
[0070] Step 2: Put the above mixed powder into a crucible, place it in a resistance furnace, raise the temperature to 550°C in an air atmosphere, keep it warm for 10 hours, and cool with the furnace, and the heating rate is 5°C / min;
[0071] Step 3: Put the above product into a ball mill jar for secondary ball milling for 4 hours, grind the ce...
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