Incremental printing of symbolic information – Light or beam marking apparatus or processes – Scan of light
Patent
1994-04-29
1997-07-08
Fuller, Benjamin R.
Incremental printing of symbolic information
Light or beam marking apparatus or processes
Scan of light
347242, G01D 1514, G02B 2700
Patent
active
056466749
ABSTRACT:
A laser print head structure includes a laser diode array (14) coupled to a heat sink (10). A cylindrical lens element (20) is aligned with the laser diode array and bonded to the heat sink. A binary optical element (22) is then aligned with the cylindrical lens element and attached to the heat sink through the use of flexures (24). The use of the flexures permits the binary optical element to "float" in the plane of the laser diode array, thereby maintaining alignment even when the thermal expansion characteristics of the binary optical element are different from the thermal expansion characteristics of the heat sink. Anti-wicking slots (18) are provided in the heat sink at locations between the bonding points of the cylindrical lens element and the laser diode array. The anti-wicking slots, through capillary action, prevent excess adhesive from wicking along the cylindrical lens element and onto the facets of the lasers in the laser diode array. In addition, the flexures are provided with holes (28) to permit light to pass through the flexures to a light curable resin which is used to bond the flexures to the heat sink.
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Bacon Wesley H.
Baker Kenneth L.
Debesis John R.
Newkirk James S.
Serbicki Jeffrey P.
Eastman Kodak Company
Fuller Benjamin R.
Sales Milton S.
Yockey David
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