Glass, glass ceramic, and laminated ceramic electronic component

Abstract

A glass that contains Si, B, Al, and Zn. The glass has SiO2 at a content of 15% by weight to 65% by weight, B2O3 at a content of 11% by weight to 30% by weight, Al2O3, and ZnO, wherein a weight ratio of the SiO2 to the B2O3 (SiO2/B2O3) is 1.21 or higher, and a weight ratio of the Al2O3 to the ZnO (Al2O3/ZnO) is 0.75 to 1.64, and wherein an alkaline-earth metal is excluded as a material contained in the glass.

1 . A glass comprising:
 SiO 2  at a content of 15% by weight to 65% by weight;   B 2 O 3  at a content of 11% by weight to 30% by weight;   Al 2 O 3 ; and   ZnO, wherein   a weight ratio of the SiO 2  to the B 2 O 3  (SiO 2 /B 2 O 3 ) is 1.21 or higher,   a weight ratio of the Al 2 O 3  to the ZnO (Al 2 O 3 /ZnO) is 0.75 to 1.64, and   wherein an alkaline-earth metal is excluded as a material contained in the glass.   
     
     
         2 . The glass according to  claim 1 , wherein the content of the SiO 2  is 55% by weight to 65% by weight. 
     
     
         3 . The glass according to  claim 1 , wherein the content of the B 2 O 3  is 18.8% by weight to 30% by weight. 
     
     
         4 . The glass according to  claim 1 , wherein Li is excluded as a sub-component. 
     
     
         5 . The glass according to  claim 1 , wherein the weight ratio of the SiO 2  to the B 2 O 3  (SiO 2 /B 2 O 3 ) is 5.91 to 1.21. 
     
     
         6 . The glass according to  claim 1 , further comprising Li as a sub-component. 
     
     
         7 . The glass according to  claim 6 , wherein the glass has a Li 2 O content of 0.05% by weight to 1% by weight. 
     
     
         8 . The glass according to  claim 7 , wherein a sum of an amount of the sub-component is 0.05% by weight to 5% by weight of the weight of a whole of the glass. 
     
     
         9 . The glass according to  claim 1 , further comprising at least one metal as a sub-component, the at least one metal being selected from the group consisting of an alkali metal and a different metal from that of a main component of the glass. 
     
     
         10 . The glass according to  claim 9 , wherein
 the alkali metal comprises at least one selected from the group consisting of Na and K, and   the different metal comprises at least one selected from the group consisting of Ti, Zr, and Sn.   
     
     
         11 . The glass according to  claim 8 , wherein a sum of an amount of the sub-component is 0.05% by weight to 5% by weight of the weight of a whole of the glass. 
     
     
         12 . A glass ceramic comprising 45% by weight to 100% by weight of the glass according to  claim 1 . 
     
     
         13 . The glass ceramic according to  claim 12 , further comprising an aggregate. 
     
     
         14 . The glass ceramic according to  claim 13 , wherein the aggregate comprises at least one compound selected from the group consisting of SiO 2 , TiO 2 , ZnO 2 , ZrO 2 , Al 2 O 3 , and BaO. 
     
     
         15 . A glass ceramic comprising 65% by weight to 100% by weight of the glass according to  claim 1 . 
     
     
         16 . A multilayer ceramic electronic component comprising multiple glass ceramic layers each of which is a sintered article of the glass ceramic according to  claim 12 .