Coating electronic components by means of fluidized bed
US4013807A · kind A · utility
15Cited by
7References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 26, 1975 |
| Grant date | Mar 22, 1977 |
| Priority date | — |
| Expiry date | Mar 26, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S118/05
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A workpiece such as an electronic component, comprising a body and leads that project in one direction from the body, has its body coated by immersing it in a fluidized bed while the workpiece is vibrated. Immersion depth is such that the uppermost surface of the body is at or just slightly below the top surface of the fluidized bed. Vibration of the workpiece during immersion ensures a uniform thickness coating all over the body and prevents "pants legs" on the leads.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.