Semiconductor device
First Claim
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1. A semiconductor device comprising:
- a wiring substrate having a chip mounting face on which a connected portion is formed;
a semiconductor chip having an element forming face on which externally connecting terminals are formed, said externally connecting terminals being electrically connected to said connected portion; and
a resin-sealed layer formed between said wiring substrate and said semiconductor chip so as to cover at least a periphery of said semiconductor chip,wherein said wiring substrate has a through hole supplied with a resin for fixing the semiconductor chip, wherein the through hole is bored from the chip mounting face to an undersurface thereof, the through hole having a main part and a sub-part, the main part formed to avoid the electrically connected portion between the semiconductor chip and the wiring substrate and the sub-Part formed as a branch extending from part of a periphery of the main part.
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Abstract
A semiconductor device according to the present invention includes a wiring substrate having a chip mounting face on which a connected portion is formed, a semiconductor chip having an element forming face on which externally connecting terminals are formed, the externally connecting terminals being electrically connected to the connected portion, and a resin-sealed layer formed between the wiring substrate and the semiconductor chip so as to cover at least a periphery of the semiconductor chip. The wiring substrate has a through hole bored from the chip mounting face to an undersurface thereof. Part of the through hole is formed outside a chip mounting region of the wiring substrate.
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Citations
36 Claims
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1. A semiconductor device comprising:
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a wiring substrate having a chip mounting face on which a connected portion is formed; a semiconductor chip having an element forming face on which externally connecting terminals are formed, said externally connecting terminals being electrically connected to said connected portion; and a resin-sealed layer formed between said wiring substrate and said semiconductor chip so as to cover at least a periphery of said semiconductor chip, wherein said wiring substrate has a through hole supplied with a resin for fixing the semiconductor chip, wherein the through hole is bored from the chip mounting face to an undersurface thereof, the through hole having a main part and a sub-part, the main part formed to avoid the electrically connected portion between the semiconductor chip and the wiring substrate and the sub-Part formed as a branch extending from part of a periphery of the main part. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A semiconductor device comprising:
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a wiring substrate having a chip mounting face on which a connected portion is formed; a first semiconductor chip having an element forming face on which externally connecting terminals are formed, said externally connecting terminals being electrically connected to said connected portion; a second semiconductor chip having an element forming face on which externally connecting terminals are formed, said externally connecting terminals being electrically connected to said connected portion; and a resin-sealed layer formed between said wiring substrate and said first semiconductor chip and between said wiring substrate and said second semiconductor chip, so as to cover at least a periphery of each of said first semiconductor chip and said second semiconductor chip, wherein said wiring substrate has a first through hole bored from the chip mounting face to an undersurface thereof, part of said first through hole extending outside an area defined by the first semiconductor chip mounting region of said wiring substrate, and said wiring substrate has a second through hole bored in said second semiconductor chip from the chip mounting face to an undersurface thereof, part of said second through hole extending outside an area defined by the second semiconductor chip mounting region of said wiring substrate, wherein the first and the second through holes have a main part and a sub-part, the main part formed to avoid the electrically connected portion and the sub-part formed as a branch extending from part of a periphery of the main part and, wherein the first hole is supplied with a resin for fixing the first semiconductor chip and the second through hole is supplied with the resin for fixing the second semiconductor chip. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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31. A semiconductor device comprising:
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a wiring substrate having a chip mounting face on which a connected portion is formed; a semiconductor chip having an element forming face on which externally connecting terminals are formed, said externally connecting terminals being electrically connected to said connected portion; and a resin-sealed layer formed between said wiring substrate and said semiconductor chip so as to cover at least a periphery of said semiconductor chip, wherein said wiring substrate has a groove extending outward beyond the area defined by a chip mounting region, the groove having a main part and a sub-part, the main part formed to avoid the electrically connected portion and the sub-part formed as a branch extending from part of a periphery of the main part and the groove is supplied with a resin for fixing the semiconductor chip. - View Dependent Claims (32, 33, 34, 35, 36)
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Specification