Frit composition, frit paste composition, sealing method and electric device
A technology of glass frit and composition, which is applied in the field of electrical devices, glass frit paste composition, and glass frit composition, and can solve the problems of reduced packaging yield, easy generation of microcracks, and reduced overall strength of packaging glass materials, etc.
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[0065] The preparation method of the filler manganese nitride material of embodiment 1-9 is as follows:
[0066] First weigh manganese powder with a purity of about 99.9%, put it into a tube furnace, and heat up to synthesize Mn in a nitrogen atmosphere. 2 N; according to the value of x, an appropriate proportion of Mn 2 N, Mn powder, A element powder and B element powder are mixed and ground; then the ground mixture is placed in 1×10 -1 In the vacuum environment of Pa (3-4 cycles are sufficient), heat to 850 degrees Celsius, keep warm for 16 hours, and finally cool to room temperature.
[0067] The range of their average bulk thermal expansion coefficients in the temperature range of 0-60° C. was obtained by testing the macroscopic thermal expansion curves of the fillers in Examples 1-9 above. See Table 1 below for specific results.
[0068] Table 1
[0069]
[0070]
[0071] In addition, magnetic analysis (with SQUID superconducting quantum interference magnetometer...
Embodiment 1-4 and comparative example 1-4
[0074] In the glass frit composition of embodiment 1-4, glass frit substrate is P 2 o 5 . In the glass frit compositions of Examples 1-4, the proportions of fillers in the glass frit compositions were 40%, 35%, 30% and 25%, respectively. The frit compositions of Examples 1-4 were prepared by mixing the filler manganese nitride material with the frit substrate in these proportions.
[0075] The glass frit composition of Comparative Examples 1-4, which includes a glass frit substrate and a filler. The glass frit substrate is P 2 o 5 , the filler is eucryptite, and for the glass frit compositions of Comparative Examples 1-4, the proportions of fillers in the glass frit compositions are 40%, 35%, 30% and 25%, respectively.
[0076] The glass frit compositions of the above-mentioned Examples 1-4 and Comparative Examples 1-4 are tested for the coefficient of thermal expansion (CTE) below; specifically, the glass frit compositions are made into small blocks of 5 × 5 × 5 mm, and ...
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