Latent imaging master
US4097637A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 29, 1976 |
| Grant date | Jun 27, 1978 |
| Priority date | — |
| Expiry date | Mar 29, 1996 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24942
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A master adapted to be imaged in the manner of an electronic stencil for use in producing multiple copies containing latent images in which the master comprises a base sheet having multiple coatings including a first coating containing an alcohol and/or water soluble colorless colorforming component and a highly electrically conductive coating overlying the first coat and which, in addition, contains a less highly electrically conductive coating overlying the highly electrically conductive coating and a masking coat as the top coat.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.