Method for forming semiconductor structure
First Claim
1. A method for forming the semiconductor device structure, comprising:
- forming a plurality of dies over a first substrate of a first wafer;
forming a conductive structure over one of the dies, wherein the conductive structure defines a curved top surface;
forming a solder material on the conductive structure;
performing a functional test on the conductive structure through the solder material; and
removing the solder material by an etching process, such that the curved top surface of the conductive structure remains on the conductive structure after the etching process.
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Accused Products
Abstract
A semiconductor device structure and method for forming the same are provided. The semiconductor device structure includes a substrate and a conductive pad formed over the substrate. The semiconductor device structure includes a protection layer formed over the conductive pad, and the protection layer has a trench. The semiconductor device structure includes a conductive structure formed in the trench and on the protection layer. The conductive structure is electrically connected to the conductive pad, and the conductive structure has a concave top surface, and the lowest point of the concave top surface is higher than the top surface of the protection layer.
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Citations
20 Claims
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1. A method for forming the semiconductor device structure, comprising:
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forming a plurality of dies over a first substrate of a first wafer; forming a conductive structure over one of the dies, wherein the conductive structure defines a curved top surface; forming a solder material on the conductive structure; performing a functional test on the conductive structure through the solder material; and removing the solder material by an etching process, such that the curved top surface of the conductive structure remains on the conductive structure after the etching process. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method for forming the semiconductor device structure, comprising:
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forming a conductive pad over a substrate; forming a protection layer over the conductive pad, wherein the protection layer has a trench; forming a conductive structure in the trench and on the protection layer, wherein the conductive structure defines a curved top surface, and the conductive structure is electrically connected to the conductive pad; forming a solder material on the conductive structure; and removing the solder material by an etching process, such that the curved top surface of the conductive structure remains on the conductive structure after the etching process. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15)
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16. A method for forming the semiconductor device structure, comprising:
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forming a protection layer over a first substrate, wherein the protection layer has a trench; forming a conductive structure in the trench and on the protection layer, wherein the conductive structure defines a curved top surface; forming a solder material on the conductive structure; removing the solder material by an etching process, such that the curved top surface of the conductive structure remains on the conductive structure after the etching process; and forming a seed layer over the conductive structure, wherein the seed layer has a curved bottom surface in direct contact with the curved top surface of the conductive structure. - View Dependent Claims (17, 18, 19, 20)
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Specification