Semiconductor device and insulating substrate for the same
AssigneeMitsubishi Denki Kabushiki Kaisha
InventorJunji Yamada
Life of this patent
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Abstract
A semiconductor device including: an insulating substrate including a ceramic substrate having first and second principal surfaces, a first metallic conductor fixed on the first principal surface, and a second metallic conductor fixed on the second principal surface; a semiconductor element disposed on the first metallic conductor on the first principal surface; and a base plate connected to the second metallic conductor on the second principal surface, and on which the insulating substrate being disposed. The second metallic conductor includes a joint area connected to the second principal surface, and a non-joint area formed around the joint area.
Claims15
A semiconductor device comprising:
- an insulating substrate comprising a ceramic substrate having first and second principal surfaces, a first metallic conductor fixed on the first principal surface, and a second metallic conductor fixed on the second principal surface;
- a semiconductor element disposed on the first metallic conductor on the first principal surface;
- and
- a base plate connected to the second metallic conductor on the second principal surface, and on which the insulating substrate being disposed,
- wherein the second metallic conductor comprises a joint area connected to the second principal surface, and a non-joint area formed around the joint area.
An insulating substrate disposing a semiconductor element, comprising:
- a ceramic substrate having first and second principal surfaces;
- a first metallic conductor fixed on the first principal surface and allowing the semiconductor element to be disposed thereon;
- and
- a second metallic conductor fixed on the second principal surface and allowing to be connected to a base plate,
- wherein the second metallic conductor comprises a joint area connected to the second principal surface and a non-joint area formed around the joint area.
Dependencies are inferred from the claim text.