US5026672A
Expired / Lapsed
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Method of fabricating a sintered body containing tin oxide
Assignee: Tektronix Inc
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Filing: 1990-06-25
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Granted: 1991-06-25
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Expires: 2010-06-25
Abstract
Abstract A sintered body of tin oxide is made by forming a finely divided mixture containing at least about 0.2 weight percent ZnO, at least about 0.2 weight percent SiO 2 , up to about 0.5 weight percent Al 2 O 3 , balance pure SnO 2 , with the sum of the proportions of ZnO and SiO 2 being less than about 2 weight percent. The mixture is compacted and heated to a sintering temperature. The tin oxide may be doped with antimony.
Inventors
- 👤 Michel L. Bayard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:07
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/01; C04B35/453; C04B35/457
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
80 words
A method of fabricating a sintered body of tin oxide, comprising: (a) forming a finely divided mixture containing at least about 0.2 weight percent ZnO, at least about 0.2 weight percent SiO 2 , up to about 0.5 weight percent Al 2 O 3 , balance pure SnO 2 ,with the sum of the proportions of ZnO and SiO 2 being less than about 2 weight percent, (b) compacting the mixture, and (c) heating the mixture to a sintering temperature.
Claim 2
Independent Claim
80 words
A method of fabricating a sintered body of tin oxide, comprising: (a) forming a finely divided mixture containing at least about 0.2 weight percent ZnO, at least about 0.2 weight percent SiO 2 , up to about 0.5 weight percent Al 2 O 3 , balance pure SnO 2 ,with the sum of the proportions of ZnO and SiO 2 being less than about 2 weight percent, (b) compacting the mixture, and (c) heating the mixture to a sintering temperature.
Claim 3
Dependent Claim
31 words
A method according to claim 1, wherein the mixture formed in step (a) contains less than about 0.5 weight percent ZnO and less than about 0.5 weight percent SiO 2 .
Claim 4
Dependent Claim
21 words
A method according to claim 1, wherein the temperature to which the mixture is heated in step (c) is about 1600°C.
Claim 5
Dependent Claim
81 words
An article of manufacture comprising a sintered body made by a method that comprises forming a finely divided mixture containing at least about 0.2 weight percent ZnO, at least about 0.2 weight percent SiO 2 , up to about 0.5 weight percent Al 2 O 3 , balance pure SnO 2 , with the sum of the proportions of ZnO and SiO 2 being less than about 2 weight percent, compacting the mixture, and heating the mixture to a sintering temperature.
Claim 6
Dependent Claim
81 words
An article of manufacture comprising a sintered body made by a method that comprises forming a finely divided mixture containing at least about 0.2 weight percent ZnO, at least about 0.2 weight percent SiO 2 , up to about 0.5 weight percent Al 2 O 3 , balance pure SnO 2 , with the sum of the proportions of ZnO and SiO 2 being less than about 2 weight percent, compacting the mixture, and heating the mixture to a sintering temperature.
Claim 7
Independent Claim
86 words
A method of fabricating a sintered body of antimony-doped tin oxide, comprising: (a) forming a finely divided mixture containing at least about 0.2 weight percent ZnO, at least about 0.2 weight percent Al 2 O 3 , at least about 0.2 weight percent SiO 2 , balance antimony-doped tin oxide, with the sum of the proportions of ZnO, and Al 2 O 3 and SiO 2 being less that about 6 weight percent, (b) compacting the mixture, and (c) heating the mixture to a sintering temperature.
Claim 8
Independent Claim
86 words
A method of fabricating a sintered body of antimony-doped tin oxide, comprising: (a) forming a finely divided mixture containing at least about 0.2 weight percent ZnO, at least about 0.2 weight percent Al 2 O 3 , at least about 0.2 weight percent SiO 2 , balance antimony-doped tin oxide, with the sum of the proportions of ZnO, and Al 2 O 3 and SiO 2 being less that about 6 weight percent, (b) compacting the mixture, and (c) heating the mixture to a sintering temperature.
Claim 9
Dependent Claim
41 words
A method according to claim 5, wherein the mixture formed in step (a) contains up to about 2 weight percent ZnO, up to about 2 weight percent SiO 2 and up to about 2 weight percent Al 2 O 3 .
Claim 10
Dependent Claim
29 words
A method according to claim 6, wherein the antimony-doped tin oxide in the mixture formed in step (a) comprises up to 30 weight percent Sb 2 O 3 .
Claim 11
Dependent Claim
21 words
A method according to claim 5, wherein the temperature to which the mixture is heated in step (c) is about 1,500°C.
Claim 12
Dependent Claim
78 words
An article of manufacture comprising a sintered body made by a method that comprises forming a finely divided mixture containing at least about 0.2 weight percent Al 2 O 3 , at least about 0.2 weight percent SiO 2 , balance antimony-doped tin oxide, with the sum of the proportions of ZnO, and Al 2 O 3 and SiO 2 being less than about 6 weight percent, compacting the mixture, and heating the mixture to a sintering temperature.
Claim 13
Dependent Claim
78 words
An article of manufacture comprising a sintered body made by a method that comprises forming a finely divided mixture containing at least about 0.2 weight percent Al 2 O 3 , at least about 0.2 weight percent SiO 2 , balance antimony-doped tin oxide, with the sum of the proportions of ZnO, and Al 2 O 3 and SiO 2 being less than about 6 weight percent, compacting the mixture, and heating the mixture to a sintering temperature.
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JPS5217699A
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JPS5367900A
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