Connecting conductive pads with post-transition metal and nanoporous metal
US11024597B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 19, 2018 |
| Grant date | Jun 1, 2021 |
| Priority date | — |
| Expiry date | Sep 30, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/0364
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
A first conductive pad is connected to a second conductive pad by using a post-transition metal and a nanoporous metal. An example of the post-transition metal is indium. An example of the nanoporous metal is nanoporous gold. A block of the post-transition metal is formed on the first conductive pad. The block of the post-transition metal is coated with a layer of anti-corrosion material. A block of the nanoporous metal is formed on the second conductive pad. The block of the post-transition metal and the block of the nanoporous metal are thermal compressed to form an alloy between the first conductive pad and the second conductive pad.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.