Modified resistive layer in thermal transfer medium having lubricating contact graphite coating
US4477198A · kind A · utility
17Cited by
14References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 15, 1982 |
| Grant date | Oct 16, 1984 |
| Priority date | — |
| Expiry date | Jun 15, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S428/914
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A thermal ribbon having a minute coating of graphite powder on the outer side of the resistive layer. The improved electrical interface with print electrodes reduces ribbon and printhead damage. The graphite also reduces friction and loosens material which builds-up at the printhead.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.