US5453409A — Ceramic capacitor and method for fabricating the …

Claim 1

Independent Claim 117 words

A ceramic capacitor, comprising: at least one dielectric ceramic layer consisting essentially of a dielectric ceramic composition and at least two internal electrodes sandwiching said dielectric ceramic composition; said dielectric ceramic composition consisting essentially of a fired mixture of a basic component of 100 parts by weight and an additional component in the range of 0.2 to 5 parts by weight; said basic component consisting essentially of a material represented by the following formula: {(Ba.sub.1-w-x Ca.sub.w Mg.sub.x)O}.sub.k (Ti.sub.1-y-z Zr.sub.y R.sub.z)O.sub.2-z/2 where, R is one or more elements selected from the group consisting of Sc, Y, Gd, Dy, Ho, Er, Yb, Tb, Tm and Lu; and w, x, y, z and k are numerals fulfilling the following conditions:

Claim 2

Dependent Claim 117 words

A ceramic capacitor, comprising: at least one dielectric ceramic layer consisting essentially of a dielectric ceramic composition and at least two internal electrodes sandwiching said dielectric ceramic composition; said dielectric ceramic composition consisting essentially of a fired mixture of a basic component of 100 parts by weight and an additional component in the range of 0.2 to 5 parts by weight; said basic component consisting essentially of a material represented by the following formula: {(Ba.sub.1-w-x Ca.sub.w Mg.sub.x)O}.sub.k (Ti.sub.1-y-z Zr.sub.y R.sub.z)O.sub.2-z/2 where, R is one or more elements selected from the group consisting of Sc, Y, Gd, Dy, Ho, Er, Yb, Tb, Tm and Lu; and w, x, y, z and k are numerals fulfilling the following conditions:

Claim 3

Dependent Claim 226 words

00≦w≦0.27 0.001≦x≦0.03 0.05≦y≦0.26 0.002≦z≦0.04 1.00≦k≦1.04 said additional component consisting essentially of Li 2 O, SiO 2 and MO wherein said MO is at least one oxide selected from the group consisting of BaO, SrO, CaO, MgO and ZnO; and a ratio among amounts of Li 2 O, SiO 2 and MO in said additional component is within an area in a ternary system of mol % having five vertexes of first to fifth vertexes wherein: said first vertex A represents a condition in which amounts of Li 2 O is 1 mol %, SiO 2 is 80 mol % and MO is 19 mol %; said second vertex B represents a condition in which amounts of Li 2 O is 1 mol %, SiO 2 is 39 mol % and MO is 60 mol %; said third vertex C represents a condition in which amounts of Li 2 O is 30 mol %, SiO 2 is 30 mol % and MO is 40 mol %; said fourth vertex D represents a condition in which amounts of Li 2 O is 50 mol %, SiO 2 is 50 mol % and MO is 0 mol %; and said fifth vertex E represents a condition in which amounts of Li 2 O is 20 mol %, SiO 2 is 80 mol % and MO is 0 mol %.

Claim 4

Dependent Claim 226 words

00≦w≦0.27 0.001≦x≦0.03 0.05≦y≦0.26 0.002≦z≦0.04 1.00≦k≦1.04 said additional component consisting essentially of Li 2 O, SiO 2 and MO wherein said MO is at least one oxide selected from the group consisting of BaO, SrO, CaO, MgO and ZnO; and a ratio among amounts of Li 2 O, SiO 2 and MO in said additional component is within an area in a ternary system of mol % having five vertexes of first to fifth vertexes wherein: said first vertex A represents a condition in which amounts of Li 2 O is 1 mol %, SiO 2 is 80 mol % and MO is 19 mol %; said second vertex B represents a condition in which amounts of Li 2 O is 1 mol %, SiO 2 is 39 mol % and MO is 60 mol %; said third vertex C represents a condition in which amounts of Li 2 O is 30 mol %, SiO 2 is 30 mol % and MO is 40 mol %; said fourth vertex D represents a condition in which amounts of Li 2 O is 50 mol %, SiO 2 is 50 mol % and MO is 0 mol %; and said fifth vertex E represents a condition in which amounts of Li 2 O is 20 mol %, SiO 2 is 80 mol % and MO is 0 mol %.

Claim 5

Dependent Claim 116 words

A ceramic capacitor, comprising: at least one,dielectric ceramic layer consisting essentially of a dielectric ceramic composition and at least two internal electrodes sandwiching said dielectric ceramic composition; said dielectric ceramic composition consisting essentially of a fired mixture of a basic component of 100 parts by weight and an additional component in the range of 0.2 to 5 parts by weight; said basic component consisting essentially of a material represented by the following formula: {(Ba.sub.1-w-x Ca.sub.w Mg.sub.x)O}.sub.k (Ti.sub.1-y-z Zr.sub.y R.sub.z)O.sub.2-z-2 where, R is one or more elements selected from the group consisting of Sc, Y, Gd, Dy, Ho, Er, Yb, Tb, Tm and Lu; and w, x, y, z and k are numerals fulfilling the following conditions:

Claim 6

Dependent Claim 116 words

A ceramic capacitor, comprising: at least one,dielectric ceramic layer consisting essentially of a dielectric ceramic composition and at least two internal electrodes sandwiching said dielectric ceramic composition; said dielectric ceramic composition consisting essentially of a fired mixture of a basic component of 100 parts by weight and an additional component in the range of 0.2 to 5 parts by weight; said basic component consisting essentially of a material represented by the following formula: {(Ba.sub.1-w-x Ca.sub.w Mg.sub.x)O}.sub.k (Ti.sub.1-y-z Zr.sub.y R.sub.z)O.sub.2-z-2 where, R is one or more elements selected from the group consisting of Sc, Y, Gd, Dy, Ho, Er, Yb, Tb, Tm and Lu; and w, x, y, z and k are numerals fulfilling the following conditions:

Claim 7

Dependent Claim 267 words

00≦w≦0.27 0.001≦x≦0.03 0.05≦y≦0.26 0.002≦z≦0.04 1.00≦k≦1.04 said additional component consisting essentially of B 2 O 3 , SiO 2 and MO wherein said MO is at least one oxide selected from the group consisting of BaO, SrO, CaO, MgO and ZnO; and a ratio among amounts of B 2 O 3 , SiO 2 and MO in said additional component is within an area in a ternary system diagram of mol % having six vertexes of first to sixth vertexes, wherein: said first vertex F represents a condition in which amounts of B 2 O 3 is 1 mol %, SiO 2 is 80 mol % and MO is 19 mol %; said second vertex G represents a condition in which amounts of B 2 O 3 is 1 mol %, SiO 2 is 39 mol % and MO is 60 mol %; said third vertex H represents a condition in which amounts of B 2 O 3 is 30 mol %, SiO 2 is 0 mol % and MO is 70 mol %; said fourth vertex I represents a condition in which amounts of B 2 O 3 is 90 mol %, SiO 2 is 0 mol % and MO is 10 mol %; said fifth vertex J represents a condition in which amounts of B 2 O 3 is 90 mol %, SiO 2 is 10 mol % and MO is 0 mol %; and said sixth vertex K represents a condition in which amounts of B 2 O 3 is 20 mol %, SiO 2 is 80 mol % and MO is 0 mol %.

Claim 8

Dependent Claim 267 words

00≦w≦0.27 0.001≦x≦0.03 0.05≦y≦0.26 0.002≦z≦0.04 1.00≦k≦1.04 said additional component consisting essentially of B 2 O 3 , SiO 2 and MO wherein said MO is at least one oxide selected from the group consisting of BaO, SrO, CaO, MgO and ZnO; and a ratio among amounts of B 2 O 3 , SiO 2 and MO in said additional component is within an area in a ternary system diagram of mol % having six vertexes of first to sixth vertexes, wherein: said first vertex F represents a condition in which amounts of B 2 O 3 is 1 mol %, SiO 2 is 80 mol % and MO is 19 mol %; said second vertex G represents a condition in which amounts of B 2 O 3 is 1 mol %, SiO 2 is 39 mol % and MO is 60 mol %; said third vertex H represents a condition in which amounts of B 2 O 3 is 30 mol %, SiO 2 is 0 mol % and MO is 70 mol %; said fourth vertex I represents a condition in which amounts of B 2 O 3 is 90 mol %, SiO 2 is 0 mol % and MO is 10 mol %; said fifth vertex J represents a condition in which amounts of B 2 O 3 is 90 mol %, SiO 2 is 10 mol % and MO is 0 mol %; and said sixth vertex K represents a condition in which amounts of B 2 O 3 is 20 mol %, SiO 2 is 80 mol % and MO is 0 mol %.

Claim 9

Dependent Claim 380 words

A ceramic capacitor, comprising: at lease one dielectric ceramic layer consisting essentially of a dielectric ceramic composition and at least two internal electrodes sandwiching said dielectric ceramic composition; said dielectric ceramic composition consisting essentially of a fired mixture of a basic component of 100 parts by weight and an additional component in the range of 0.2 to 5 parts by weight; said basic component consisting essentially of a material represented by the following formula: {(Ba.sub.1-w-x Ca.sub.w Mg.sub.x)O}.sub.k (Ti.sub.1-y-z Zr.sub.y R.sub.z)O.sub.2-z/2 where, R is one or more elements selected from the group consisting of Sc, Y, Gd, Dy, Ho, Er, Yb, Tb, Tm and Lu; and w, x, y, z and k are numerals fulfilling the following conditions: 0.00≦w≦0.27 0.001≦x≦0.03 0.05≦y≦0.26 0.002≦z≦0.04 1.00≦k≦1.04 said additional component consisting essentially of B 2 O 3 , SiO 2 and Li 2 O; and a ratio among amounts of B 2 O 3 , SiO 2 and Li 2 O in said additional component is within an area in a ternary system diagram of mol % having six vertexes of first to sixth vertexes wherein: said first vertex L represents a condition in which amounts of B 2 O 3 is 1 mol %, SiO 2 is 50 mol % and Li 2 O is 49 mol %; said second vertex M represents a condition in which amounts of B 2 O 3 is 50 mol %, SiO 2 is 1 mol % and Li 2 O is 49 mol %; said third vertex N represents a condition in which amounts of B 2 O 3 is 80 mol %, SiO 2 is 1 mol % and Li 2 O is 19 mol %; said fourth vertex O represents a condition in which amounts of B 2 O 3 is 89 mol %, SiO 2 is 10 mol % and Li 2 O is 1 mol %; said fifth vertex P represents a condition in which amounts of B 2 O 3 is 19 mol %, SiO 2 is 80 mol % and Li 2 O is 1 mol %; and said sixth vertex Q represents a condition in which amounts of B 2 O 3 is 1 mol %, SiO 2 is 80 mol % and Li 2 O is 19 mol %.

Claim 10

Dependent Claim 380 words

A ceramic capacitor, comprising: at lease one dielectric ceramic layer consisting essentially of a dielectric ceramic composition and at least two internal electrodes sandwiching said dielectric ceramic composition; said dielectric ceramic composition consisting essentially of a fired mixture of a basic component of 100 parts by weight and an additional component in the range of 0.2 to 5 parts by weight; said basic component consisting essentially of a material represented by the following formula: {(Ba.sub.1-w-x Ca.sub.w Mg.sub.x)O}.sub.k (Ti.sub.1-y-z Zr.sub.y R.sub.z)O.sub.2-z/2 where, R is one or more elements selected from the group consisting of Sc, Y, Gd, Dy, Ho, Er, Yb, Tb, Tm and Lu; and w, x, y, z and k are numerals fulfilling the following conditions: 0.00≦w≦0.27 0.001≦x≦0.03 0.05≦y≦0.26 0.002≦z≦0.04 1.00≦k≦1.04 said additional component consisting essentially of B 2 O 3 , SiO 2 and Li 2 O; and a ratio among amounts of B 2 O 3 , SiO 2 and Li 2 O in said additional component is within an area in a ternary system diagram of mol % having six vertexes of first to sixth vertexes wherein: said first vertex L represents a condition in which amounts of B 2 O 3 is 1 mol %, SiO 2 is 50 mol % and Li 2 O is 49 mol %; said second vertex M represents a condition in which amounts of B 2 O 3 is 50 mol %, SiO 2 is 1 mol % and Li 2 O is 49 mol %; said third vertex N represents a condition in which amounts of B 2 O 3 is 80 mol %, SiO 2 is 1 mol % and Li 2 O is 19 mol %; said fourth vertex O represents a condition in which amounts of B 2 O 3 is 89 mol %, SiO 2 is 10 mol % and Li 2 O is 1 mol %; said fifth vertex P represents a condition in which amounts of B 2 O 3 is 19 mol %, SiO 2 is 80 mol % and Li 2 O is 1 mol %; and said sixth vertex Q represents a condition in which amounts of B 2 O 3 is 1 mol %, SiO 2 is 80 mol % and Li 2 O is 19 mol %.

Claim 11

Independent Claim 155 words

A method for fabricating a ceramic capacitor, comprising the steps of: providing a mixture of non-sintered ceramic powder; forming a non-sintered ceramic sheet consisting of said mixture; fabricating a laminated structure in which said non-sintered ceramic sheet is sandwiched between at least two conductive paste layers; firing said laminated structure under a non-oxidative atmosphere; and heating said fired laminated structure under an oxidative atmosphere; said mixture of non-sintered ceramic powder consisting essentially of a fired mixture of a basic component of 100 parts by weight and an additional component in the range of 0.2 to 5 parts by weight; said basic component consisting essentially of a material represented by the following formula: {(Ba.sub.1-w-x Ca.sub.w Mg.sub.x)O}.sub.k (Ti.sub.1-y-z Zr.sub.y R.sub.z)O.sub.2-z/2 where, R is one or more elements selected from the group consisting of Sc, Y, Gd, Dy, Ho, Er, Yb, Tb, Tm and Lu; and w, x, y, z and k are numerals fulfilling the following conditions:

Claim 12

Independent Claim 155 words

A method for fabricating a ceramic capacitor, comprising the steps of: providing a mixture of non-sintered ceramic powder; forming a non-sintered ceramic sheet consisting of said mixture; fabricating a laminated structure in which said non-sintered ceramic sheet is sandwiched between at least two conductive paste layers; firing said laminated structure under a non-oxidative atmosphere; and heating said fired laminated structure under an oxidative atmosphere; said mixture of non-sintered ceramic powder consisting essentially of a fired mixture of a basic component of 100 parts by weight and an additional component in the range of 0.2 to 5 parts by weight; said basic component consisting essentially of a material represented by the following formula: {(Ba.sub.1-w-x Ca.sub.w Mg.sub.x)O}.sub.k (Ti.sub.1-y-z Zr.sub.y R.sub.z)O.sub.2-z/2 where, R is one or more elements selected from the group consisting of Sc, Y, Gd, Dy, Ho, Er, Yb, Tb, Tm and Lu; and w, x, y, z and k are numerals fulfilling the following conditions:

Claim 13

Dependent Claim 227 words

00≦w≦0.27 0.001≦x≦0.03 0.05≦y≦0.26 0.002≦z≦0.04 1.00≦k≦1.04 said additional component consisting essentially of Li 2 O, SiO 2 and MO wherein said MO is at least one oxide selected from the group consisting of BaO, SrO, CaO, MgO and ZnO; and a ratio among amounts of Li 2 O, SiO 2 and MO in said additional component is within an area in a ternary system diagram of mol % having five vertexes of first to fifth vertexes, wherein: said first vertex A represents a condition in which amounts of Li 2 O is 1 mol %, SiO 2 is 80 mol % and MO is 19 mol %; said second vertex B represents a condition in which amounts of Li 2 O is 1 mol %, SiO 2 is 39 mol % and MO is 60 mol %; said third vertex C represents a condition in which amounts of Li 2 O is 30 mol %, SiO 2 is 30 mol % and MO is 40 mol %; said fourth vertex D represents a condition in which amounts of Li 2 O is 50 mol %, SiO 2 is 50 mol % and MO is 0 mol %; and said fifth vertex E represents a condition in which amounts of Li 2 O is 20 mol %, SiO 2 is 80 mol % and MO is 0 mol %.

Claim 14

Dependent Claim 227 words

00≦w≦0.27 0.001≦x≦0.03 0.05≦y≦0.26 0.002≦z≦0.04 1.00≦k≦1.04 said additional component consisting essentially of Li 2 O, SiO 2 and MO wherein said MO is at least one oxide selected from the group consisting of BaO, SrO, CaO, MgO and ZnO; and a ratio among amounts of Li 2 O, SiO 2 and MO in said additional component is within an area in a ternary system diagram of mol % having five vertexes of first to fifth vertexes, wherein: said first vertex A represents a condition in which amounts of Li 2 O is 1 mol %, SiO 2 is 80 mol % and MO is 19 mol %; said second vertex B represents a condition in which amounts of Li 2 O is 1 mol %, SiO 2 is 39 mol % and MO is 60 mol %; said third vertex C represents a condition in which amounts of Li 2 O is 30 mol %, SiO 2 is 30 mol % and MO is 40 mol %; said fourth vertex D represents a condition in which amounts of Li 2 O is 50 mol %, SiO 2 is 50 mol % and MO is 0 mol %; and said fifth vertex E represents a condition in which amounts of Li 2 O is 20 mol %, SiO 2 is 80 mol % and MO is 0 mol %.

Claim 15

Independent Claim 156 words

A method for fabricating a ceramic capacitor, comprising the steps of: providing a mixture of non-sintered ceramic powder; forming a non-sintered ceramic sheet consisting of said mixture; fabricating a laminated structure in which said non-sintered ceramic sheet is sandwiched between at least two conductive paste layers; firing said laminated structure under a non-oxidative atmosphere; and heating said fired laminated structure under an oxidative atmosphere; said mixture of non-sintered ceramic powder consisting essentially of a fired mixture of a basic component of 100 parts by weight and an additional component in the range of 0.2 to 5 parts by weight; said basic component consisting essentially of a material represented by the following formula: {(Ba.sub.1-w-x Ca.sub.w Mg.sub.x)O}.sub.k (Ti.sub.1-y-z Zr.sub.y R.sub.z)O.sub.2-z/2 where, R is one or more metal elements selected from the group consisting of Sc, Y, Gd, Dy, Ho, Er, Yb, Tb, Tm and Lu; and w, x, y, z and k are numerals fulfilling the following conditions:

Claim 16

Independent Claim 156 words

A method for fabricating a ceramic capacitor, comprising the steps of: providing a mixture of non-sintered ceramic powder; forming a non-sintered ceramic sheet consisting of said mixture; fabricating a laminated structure in which said non-sintered ceramic sheet is sandwiched between at least two conductive paste layers; firing said laminated structure under a non-oxidative atmosphere; and heating said fired laminated structure under an oxidative atmosphere; said mixture of non-sintered ceramic powder consisting essentially of a fired mixture of a basic component of 100 parts by weight and an additional component in the range of 0.2 to 5 parts by weight; said basic component consisting essentially of a material represented by the following formula: {(Ba.sub.1-w-x Ca.sub.w Mg.sub.x)O}.sub.k (Ti.sub.1-y-z Zr.sub.y R.sub.z)O.sub.2-z/2 where, R is one or more metal elements selected from the group consisting of Sc, Y, Gd, Dy, Ho, Er, Yb, Tb, Tm and Lu; and w, x, y, z and k are numerals fulfilling the following conditions:

Claim 17

Dependent Claim 269 words

00≦w≦0.27 0.001≦x≦0.03 0.05≦y≦0.26 0.002≦z≦0.04 1.00≦k≦1.04 said additional component consisting essentially of B 2 O 3 , SiO 2 and MO wherein said MO is at least one oxide selected from the group consisting of BaO, SrO, CaO, MgO and ZnO; and a ratio among amounts of B 2 O 3 , SiO 2 and MO in said additional component is within an area in a ternary system diagram of mol % having six vertexes of first to sixth vertexes wherein: said first vertex F represents a condition in which amounts of B 2 O 3 is 1 mol %, SiO 2 is 80 mol % and MO is 19 mol %; said second vertex G represents a condition in which amounts of B 2 O 3 is 1 mol %, SiO 2 is 39 mol % and MO is 60 mol %; said third vertex H represents a condition in which amounts of B 2 O 3 is 30 mol %, SiO 2 is 0 mol % and Li 2 O is 70 mol %; said fourth vertex I represents a condition in which amounts of B 2 O 3 is 90 mol %, SiO 2 is 0 mol % and MO is 10 mol %; said fifth vertex J represents a condition in which amounts of B 2 O 3 is 90 mol %, SiO 2 is 10 mol % and MO is 0 mol %; and said sixth vertex K represents a condition in which amounts of B 2 O 3 is 20 mol %, SiO 2 is 80 mol % and MO is 0 mol %.

Claim 18

Dependent Claim 269 words

00≦w≦0.27 0.001≦x≦0.03 0.05≦y≦0.26 0.002≦z≦0.04 1.00≦k≦1.04 said additional component consisting essentially of B 2 O 3 , SiO 2 and MO wherein said MO is at least one oxide selected from the group consisting of BaO, SrO, CaO, MgO and ZnO; and a ratio among amounts of B 2 O 3 , SiO 2 and MO in said additional component is within an area in a ternary system diagram of mol % having six vertexes of first to sixth vertexes wherein: said first vertex F represents a condition in which amounts of B 2 O 3 is 1 mol %, SiO 2 is 80 mol % and MO is 19 mol %; said second vertex G represents a condition in which amounts of B 2 O 3 is 1 mol %, SiO 2 is 39 mol % and MO is 60 mol %; said third vertex H represents a condition in which amounts of B 2 O 3 is 30 mol %, SiO 2 is 0 mol % and Li 2 O is 70 mol %; said fourth vertex I represents a condition in which amounts of B 2 O 3 is 90 mol %, SiO 2 is 0 mol % and MO is 10 mol %; said fifth vertex J represents a condition in which amounts of B 2 O 3 is 90 mol %, SiO 2 is 10 mol % and MO is 0 mol %; and said sixth vertex K represents a condition in which amounts of B 2 O 3 is 20 mol %, SiO 2 is 80 mol % and MO is 0 mol %.

Claim 19

Independent Claim 420 words

A method for fabricating a ceramic capacitor, comprising the steps of: providing a mixture of non-sintered ceramic powder; forming a non-sintered ceramic sheet consisting of said mixture; fabricating a laminated structure in which said non-sintered ceramic sheet is sandwiched between at least two conductive paste layers; firing said laminated structure under a non-oxidative atmosphere; and heating said fired laminated structure under an oxidative atmosphere; said mixture of non-sintered ceramic powder consisting essentially of a fired mixture of a basic component of 100 parts by weight and an additional component in the range of 0.2 to 5 parts by weight; said basic component consisting essentially of a material represented by the following formula: {(Ba.sub.1-w-x Ca.sub.w Mg.sub.x)O}.sub.k (Ti.sub.1-y-z Zr.sub.y R.sub.z)O.sub.2-z/2 where, R is one or more metal elements selected from the group consisting of Sc, i y, Gd, Dy, Ho, Er, Yb, Tb, Tm and Lu; and w, x, y, z and k are numerals fulfilling the following conditions: 0.00≦w≦0.27 0.001≦x≦0.03 0.05≦y≦0.26 0.002≦z≦0.04 1.00≦k≦1.04 said additional component consisting essentially of B 2 O 3 , SiO 2 and Li 2 O; and a ratio among amounts of B 2 O 3 , SiO 2 and Li 2 O in said additional component is within an area in a ternary system diagram of mol % having six vertexes of first to sixth vertexes wherein: said first vertex L represents a condition in which amounts of B 2 O 3 is 1 mol %, SiO 2 is 50 mol % and Li 2 O is 49 mol %; said second vertex M represents a condition in which amounts of B 2 O 3 is 50 mol %, SiO 2 is 1 mol % and Li 2 O is 49 mol %; said third vertex N represents a condition in which amounts of B 2 O 3 is 80 mol %, SiO 2 is 1 mol % and Li 2 O is 19 mol %; said fourth vertex O represents a condition in which amounts of B 2 O 3 is 89 mol %, SiO 2 is 10 mol % and Li 2 O is 1 mol %; said fifth vertex P represents a condition in which amounts of B 2 O 3 is 19 mol %, SiO 2 is 80 mol % and Li 2 O is 1 mol %; and said sixth vertex Q represents a condition in which amounts of B 2 O 3 is 1 mol %, SiO 2 is 80 mol % and Li 2 O is 19 mol %.

Claim 20

Independent Claim 420 words

A method for fabricating a ceramic capacitor, comprising the steps of: providing a mixture of non-sintered ceramic powder; forming a non-sintered ceramic sheet consisting of said mixture; fabricating a laminated structure in which said non-sintered ceramic sheet is sandwiched between at least two conductive paste layers; firing said laminated structure under a non-oxidative atmosphere; and heating said fired laminated structure under an oxidative atmosphere; said mixture of non-sintered ceramic powder consisting essentially of a fired mixture of a basic component of 100 parts by weight and an additional component in the range of 0.2 to 5 parts by weight; said basic component consisting essentially of a material represented by the following formula: {(Ba.sub.1-w-x Ca.sub.w Mg.sub.x)O}.sub.k (Ti.sub.1-y-z Zr.sub.y R.sub.z)O.sub.2-z/2 where, R is one or more metal elements selected from the group consisting of Sc, i y, Gd, Dy, Ho, Er, Yb, Tb, Tm and Lu; and w, x, y, z and k are numerals fulfilling the following conditions: 0.00≦w≦0.27 0.001≦x≦0.03 0.05≦y≦0.26 0.002≦z≦0.04 1.00≦k≦1.04 said additional component consisting essentially of B 2 O 3 , SiO 2 and Li 2 O; and a ratio among amounts of B 2 O 3 , SiO 2 and Li 2 O in said additional component is within an area in a ternary system diagram of mol % having six vertexes of first to sixth vertexes wherein: said first vertex L represents a condition in which amounts of B 2 O 3 is 1 mol %, SiO 2 is 50 mol % and Li 2 O is 49 mol %; said second vertex M represents a condition in which amounts of B 2 O 3 is 50 mol %, SiO 2 is 1 mol % and Li 2 O is 49 mol %; said third vertex N represents a condition in which amounts of B 2 O 3 is 80 mol %, SiO 2 is 1 mol % and Li 2 O is 19 mol %; said fourth vertex O represents a condition in which amounts of B 2 O 3 is 89 mol %, SiO 2 is 10 mol % and Li 2 O is 1 mol %; said fifth vertex P represents a condition in which amounts of B 2 O 3 is 19 mol %, SiO 2 is 80 mol % and Li 2 O is 1 mol %; and said sixth vertex Q represents a condition in which amounts of B 2 O 3 is 1 mol %, SiO 2 is 80 mol % and Li 2 O is 19 mol %.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1998-09-25	1999-03-27	1999-09-26	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	2002-09-25	2003-03-27	2003-09-26	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2006-09-25	2007-03-27	2007-09-26	$7700.00	Window Closed / Lapsed

Ceramic capacitor and method for fabricating the same

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