Methods of promoting adhesion between underfill and conductive bumps and structures formed thereby
US9330993B2 · kind B2 · utility
1Cited by
1References
20Claims
0Family size
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Inventors
Key dates
| Filing date | Dec 20, 2012 |
| Grant date | May 3, 2016 |
| Priority date | — |
| Expiry date | Dec 20, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2224/73204
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
Methods of forming a microelectronic packaging structure and associated structures formed thereby are described. Those methods and structures may include modifying an underfill material with one of a thiol adhesion promoter, an azole coupling agent, surface modified filler, and peroxide based cross-linking polymer chemistries to greatly enhance adhesion in package structures utilizing the embodiments herein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.