Method for high scan sputter coating to produce coated, abrasion resistant press plates with reduced built-in thermal stress
US6190514A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 30, 1997 |
| Grant date | Feb 20, 2001 |
| Priority date | — |
| Expiry date | Dec 30, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41N3/03
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A press plate for producing decorative laminate from resin impregnated paper, with alumina particles on its pressing surface, is coated with diborides selected from the group consisting of hafnium diboride, molybdenum diboride, tantalum diboride, titanium diboride, tungsten diboride, vanadium diboride, or zirconium diboride or mixtures thereof for making the press plate resistant to scratching using a process wherein the press plate and the sputtering head are moved relative to one another to provide a scanning speed sufficient to give a thermal gradient in the press plate of 50.degree. F. or less, to provide reduced built-in stress and more delocalized heat distribution throughout the press plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.