Emulsion printing plates and evacuation channels
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 29, 1994
Grant Date -
N/A
app pub date -
Dec 13, 1991
filing date -
Dec 13, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A photo printing plate having an upper air evacuation channel and a lower air evacuation channel with the lower air evacuation channel formed in a emulsion layer and the upper air evacuation channels formed by spacers located partially on top of the opaque pattern that projects outward from the emulsion layer and partially on top of the nonopaque emulsion layer adjacent to the opaque pattern to provide an air evacuation channel formed by the evacuation channels in the emulsion surface and the spacers so that the air can be rapidly evacuated between the photo printing plate and a layer of etchant resist while maintaining the layer of etchant resist less than 10 microns from the top surface of the photo printing plate.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully