Via structure
First Claim
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1. A via structure, comprising:
- a first via set having a first cross-sectional area; and
at least one second via set having a second cross-sectional area and electrically connected to said first via set, wherein said second via set has a second surface area which is substantially greater than a first surface area of said first via set so that said second cross-sectional area is substantially greater than said first cross-sectional area, and said second via set and said first via set together form an extending via chain.
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Abstract
A via structure includes at least a first via set and a second via set electrically connected to the first via set. There is at least one via in the first via set and at least one via in the second via set. The via in the first via set has a cross-sectional area which is larger than that of the via in the second via set.
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Citations
19 Claims
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1. A via structure, comprising:
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a first via set having a first cross-sectional area; and at least one second via set having a second cross-sectional area and electrically connected to said first via set, wherein said second via set has a second surface area which is substantially greater than a first surface area of said first via set so that said second cross-sectional area is substantially greater than said first cross-sectional area, and said second via set and said first via set together form an extending via chain. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A via structure, comprising:
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a first via set of a first cross-sectional area; and at least one second via set having a second cross-sectional area and electrically connected to said first via set, wherein said second via set comprises a plurality of second via plugs and said second cross-sectional area is not equal to said first cross-sectional area, and said second via set and said first via set together form an extending via chain. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19)
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Specification