Engineered wood fiber product substrates and their formation...

Electric heating – Metal heating – By arc

Reexamination Certificate

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Reexamination Certificate

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08071912

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.

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