Apparatus and method for eliminating feedback noise in laser the

Details Apparatus and method for eliminating feedback noise in laser the Apparatus and method for eliminating feedback noise in laser the

1995-01-04

1997-07-01

Tran, Huan H.

Incremental printing of symbolic information

Light or beam marking apparatus or processes

347225, 347171, B41J 2435, B41J 248

Patent

active

056443536

ABSTRACT:
An apparatus and method are provided for forming a laser-induced thermal dye transfer image. A slide for brings a dye donor and dye receiver into dye transferring proximity, and a laser emits a beam of light toward the donor to image-wise transfer dye to the receiver. The slide, along with the donor therein, is tilted to eliminate intensity noise in the laser caused by light reflecting from the slide and donor back to the laser. By tilting the slide, specular reflections from the dye donor do not intercept optical path and do not propagate along the optical path.

REFERENCES:
patent: 5258776 (1993-11-01), Guy et al.
patent: 5420611 (1995-05-01), Sarraf

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