Glass ceramic material for plasma display

Compositions: ceramic – Ceramic compositions – Glass compositions – compositions containing glass other than...

Reexamination Certificate

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C501S021000, C501S024000, C501S026000, C501S048000, C501S049000, C501S051000, C501S052000, C501S077000, C501S079000

Reexamination Certificate

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07910507

ABSTRACT:
There is provided a glass ceramic material for plasma display, in which glass fine grains (A) having a softening point of 570-640° C. are in 40-70 wt %, and glass fine grains (B) having a softening point of 480-540° C. are in 30-60 wt %, the glass ceramic material for plasma display being characterized in that the glass fine grains (A) comprise 2-12 wt % of SiO2, 50-58 wt % of B2O3, 10-20 wt % of Al2O3, 0-6 wt % of ZnO, 0-2.8 wt % of Li2O, and 10-22 wt % of at least one selected from MgO, CaO, SrO and BaO and that refractive index of the glass fine grains (A) is 1.53-1.56.

REFERENCES:
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patent: 6551720 (2003-04-01), Sreeram et al.
patent: 6623906 (2003-09-01), Iha
patent: 10-120432 (1998-05-01), None
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patent: 2005-174683 (2005-06-01), None
patent: 3696725 (2005-07-01), None
patent: 3716787 (2005-09-01), None
patent: 2006-151763 (2006-06-01), None
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International Search Report dated Mar. 25, 2008 (Eight (8) pages).

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