Method for preparing original for projection and transfer film for electrostatic photography for use in carrying out said method
US4370379A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 16, 1981 |
| Grant date | Jan 25, 1983 |
| Priority date | — |
| Expiry date | Jul 16, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31797
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A transfer film comprising a transparent plastic film substrate, an undercoating layer composed of an electrically conductive resin and having a surface resistance of 1.0.times.10.sup.6 to 9.0.times.10.sup.9 .OMEGA., and a toner receiving layer composed of a binder resin and having a surface resistance of 1.0.times.10.sup.10 to 1.0.times.10.sup.14 .OMEGA., which is formed on at least one surface of the transparent plastic film substrate through the undercoating layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.