Coaxial line assembly for semiconductor package

By introducing coaxial cable components into the semiconductor package, including a center bonding line, a dielectric layer, and a grounding material layer, the reliability of the bonding line and signal crosstalk issues are resolved, thereby improving the reliability and high-speed performance of the package.

CN122094545APending Publication Date: 2026-05-26SANDISK TECHNOLOGIES LLC
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SANDISK TECHNOLOGIES LLC
Filing Date
2025-04-15
Publication Date
2026-05-26

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Abstract

The semiconductor package includes: a substrate; a contact pad which is formed on the substrate; and a ground pad formed on the substrate, adjacent to the contact pad. The semiconductor package also includes a die mounted on the substrate adjacent to the contact pad. The die includes a top surface and a die contact pad, the die contact pad being formed on the top surface. In addition, the semiconductor package includes a coaxial line assembly extending between the contact pad and the die contact pad of the die. The coaxial line assembly includes: a bond wire contacting the contact pad and the die contact pad and extending between the contact pad and the die contact pad; a dielectric material surrounding the bond wire; and a ground material surrounding the dielectric material.
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