Aluminum strip used for lithographic printing plate supports
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United States of America Patent
Stats
-
Dec 8, 2015
Grant Date -
Dec 31, 2009
app pub date -
Jul 20, 2007
filing date -
Jul 21, 2006
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A strip for the production of a substrate for lithographic printing plates consisting of aluminum or an aluminum alloy and has at least to some extent a microcrystalline surface layer as a result of hot and/or cold roll passes. When analyzed in a two-dimensional microprobe analysis according to the mapping method of a surface region of the microcrystalline surface of the strip, the surface portion having an intensity ratio I/Ibulk(avg) of greater than 3 in the spectral range of the Kα1 line of the X-ray emission spectrum of oxygen of the measured microcrystalline surface layer is less than 10%, preferably less than 7%, wherein, during the two-dimensional microprobe analysis, an excitation voltage of 15kV, a beam current of 50 nA and a beam cross section of 1 μm is used with a step size of 16.75 μm for the electron beam.
First Claim
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International Classification(s)
- 2007 Application Filing Year
- B41N Class
- 29 Applications Filed
- 10 Patents Issued To-Date
- 34.49 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- B41N Class
- 0 % this patent is cited more than
- 10 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jun 8, 2027 |
