Laser imageable thin film structure and printing plate incorporating the same

A lithographic laser imageable thin film structure comprising a substrate having first and second surfaces. A vacuum-deposited metal layer is carried by the first surface of the substrate. A layer of semiconductor material is adhered to and overlies the metal layer. The metal layer and the semicondu...

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Bibliographische Detailangaben
Hauptverfasser:	R.W. PHILLIPS, S.P. FISHER, G.F. DAVIS
Format:	Patent
Sprache:	eng
Schlagworte:	LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM LINING MACHINES MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING,INKING, DAMPING, OR THE LIKE PERFORMING OPERATIONS PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM PRINTING PRINTING PLATES OR FOILS PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTINGSURFACES STAMPS TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	A lithographic laser imageable thin film structure comprising a substrate having first and second surfaces. A vacuum-deposited metal layer is carried by the first surface of the substrate. A layer of semiconductor material is adhered to and overlies the metal layer. The metal layer and the semiconductor material have thicknesses which are selected to maximize absorption of laser energy impinging on the same.