Underfill flow management in electronic assemblies
US11935861B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 29, 2020 |
| Grant date | Mar 19, 2024 |
| Priority date | — |
| Expiry date | Jul 19, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2924/35121
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
Disclosed herein are structures and techniques for underfill flow management in electronic assemblies. For example, in some embodiments, an electronic assembly may include a first component, a second component, an underfill on the first component and at least partially between the first component and the second component, and a material at a surface of the first component, wherein the material is outside a footprint of the second component, and the underfill contacts the material with a contact angle greater than 50 degrees.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.