Sacrificial pads to prevent galvanic corrosion of FLI bumps in EMIB packages
US12068172B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 30, 2019 |
| Grant date | Aug 20, 2024 |
| Priority date | — |
| Expiry date | Aug 18, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2924/19105
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
Embodiments disclosed herein include electronic packages and methods of making electronic packages. In an embodiment, the electronic package comprises a package substrate, an array of first level interconnect (FLI) bumps on the package substrate, wherein each FLI bump comprises a surface finish, a first pad on the package substrate, wherein the first pad comprises the surface finish, and wherein a first FLI bump of the array of FLI bumps is electrically coupled to the first pad, and a second pad on the package substrate, wherein the second pad is electrically coupled to the first pad.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.