Joined metal-ceramic assembly method of preparing the same
Patent 4959258 Issued on September 25, 1990. Estimated Expiration Date: 
December 22, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
December 22, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References2636820 InventorsAssigneeApplicationNo. 288423 filed on 12/22/1988US Classes:428/192, Edge feature156/304.3, With joiner member or reinforcement403/272, Added bonding material, e.g., solder, braze, etc.428/457, Of metal428/469Next to metal salt or oxideExaminersPrimary: Herbert, Thomas J. Jr.Attorney, Agent or FirmForeign Patent References
International ClassB32B 015/04Foreign Application Priority Data1987-12-28 JPAbstractA joined metal-ceramic assembly formed from a ceramic member and a metallic member which are butted and joined together with an intermediate layer interposed therebetween, wherein a joining surface of the ceramic member at which the ceramic member is joined with the intermediate layer includes a rounded peripheral portion which has a substantially arcuate cross sectional shape and the method of producing the metal-ceramic assembly.Other References
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