Interconnection with integrated corrosion stop
First Claim
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1. An interconnection structure for a semiconductor circuit comprising:
- (A) a fuse structure; and
(B) conductive wiring located on a different level than said fuse structure;
wherein said fuse structure is electrically connected to said conductive wiring and wherein said fuse structure comprises a relatively low resistivity metal; and
(C) a conformal barrier layer of a chemical vapor deposited corrosion resistant metal conductively contacting said relatively low resistivity metal and wherein said barrier layer of a corrosion resistant metal is located intermediate said relatively low resistivity metal and said wiring and along the sides of said relatively low resistivity metal thereby separating said wiring from said relatively low resistivity metal.
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Abstract
An interconnection structure for a semiconductor circuit is provided employing a conductor structure electrically connected to conductive wiring located on a different level than the conductor structure. The conductor structure comprises a relatively low resistivity metal. A barrier layer of a corrosion resistant metal is located intermediate the relatively low resistivity metal and wiring to thereby separate the wiring and relatively low resistivity metal.
41 Citations
9 Claims
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1. An interconnection structure for a semiconductor circuit comprising:
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(A) a fuse structure; and (B) conductive wiring located on a different level than said fuse structure;
wherein said fuse structure is electrically connected to said conductive wiring and wherein said fuse structure comprises a relatively low resistivity metal; and(C) a conformal barrier layer of a chemical vapor deposited corrosion resistant metal conductively contacting said relatively low resistivity metal and wherein said barrier layer of a corrosion resistant metal is located intermediate said relatively low resistivity metal and said wiring and along the sides of said relatively low resistivity metal thereby separating said wiring from said relatively low resistivity metal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification