Process of making a porous metal block for removing solder or braze
US5219520A · kind A · utility
19Cited by
10References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 14, 1992 |
| Grant date | Jun 15, 1993 |
| Priority date | — |
| Expiry date | Jul 14, 2012 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22F2999/00
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A porous metal block for selectively removing solder or braze from a substrate is disclosed. The block comprises a plurality of protrusions which absorb solder or braze through capillary action. The number and dimensions of the protrusions vary depending on the application. Also disclosed is a process for making such a block involving a unique two steps sintering process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.