Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Reexamination Certificate
2007-03-13
2007-03-13
Lam, Cathy F. (Department: 1775)
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
C428S209000, C257S706000, C257S712000, C257S713000, C257S720000, C257S729000, C257S730000
Reexamination Certificate
active
10964426
ABSTRACT:
In a metal/ceramic bonding substrate10wherein a circuit forming metal plate14is bonded to one side of a ceramic substrate12and a radiating metal base plate16is bonded to the other side thereof, a difference in level is provided along the entire circumference of the bonding surface of the ceramic substrate12to the metal base plate16.The difference in level is provided by forming at least one of a rising portion16aand a groove portion116bon and in the metal base plate16.
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Namioka Makoto
Osanai Hideyo
Takahashi Takayuki
Bachman & LaPointe P.C.
Dowa Mining Co. Ltd.
Lam Cathy F.
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