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US 8,475,613 B2Granted
Bonding agent, aluminum nitride composite body, and manufacturing method of the same
AssigneeNGK Insulators, Ltd.
InventorsAkiyoshi Hattori, Takahiro Takahashi
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Abstract
A bonding agent is provided which includes a flux containing either calcium aluminate or calcium oxide and aluminum oxide and aluminum nitride powder.
Claims6
A method of manufacturing an aluminum nitride composite body, comprising:
- a single heating step of heating a plurality of aluminum nitride sintered bodies with a bonding agent interposed therebetween at a bonding temperature, wherein said bonding temperature of said single heating step does not exceed 1500° C. overall;
- and
- bonding the plurality of aluminum nitride sintered bodies to one another by performing cooling after said single heating step;
- wherein the bonding agent contains a flux and aluminum nitride powder, wherein the flux consists essentially of either calcium aluminate or calcium oxide and aluminum oxide, and wherein the flux does not include any rare earth elements.
1 more element
Dependencies are inferred from the claim text.