Engineered wood fiber product substrates and their formation by laser processing

Abstract

A laser is used to a form information indicative of a pattern on a surface of a support piece formed from a compressed wood fiber product substrate. The pattern can be a wood grain. The field of the laser is increased, to allow lazing more of the material at once. According to an embodiment, the field is increased in a way that does not reduce the resolution of the lasing.

1 . A method, comprising:
 determining an amount of energy to be applied per unit area and per unit time by a laser, which amount of energy per unit area and per unit time will change the look of a wood fiber product substrate material, without burning or melting or creating undesirable defects on a surface of said wood fiber product substrate material;   obtaining a pattern to be engraved on said wood fiber product substrate material; and   producing an output to control a laser according to said determined amount of energy and said pattern.   
     
     
         2 - 37 . (canceled)