Controlled color laser marking of plastics
US6022905A · kind A · utility
38Cited by
8References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 28, 1999 |
| Grant date | Feb 8, 2000 |
| Priority date | — |
| Expiry date | May 28, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24901
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The invention provides a composition and method for obtaining both light and dark laser marks of varying shades and intensities on a single plastic article by selectively controlling laser parameters. The invention further provides compositions and methods for obtaining pre-selected one-color and multi-colored designs on plastic articles, by selectively controlling material formulations and laser parameter settings.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.