Metal-insulator resistive ribbon for thermal transfer printing

A resistive ribbon printing technique is described in which the ribbon includes a resistive layer comprised of a metal-wide bandgap insulator combination. The ribbon also includes a support layer, where the support function can be provided by the resistive layer, and a fusible ink layer. Electrical...

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Bibliographische Detailangaben
Hauptverfasser:	AVIRAM, ARI, SHIH, KWANG K
Format:	Patent
Sprache:	eng
Schlagworte:	COLOUR PRINTING CORRECTION OF TYPOGRAPHICAL ERRORS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME LINING MACHINES PERFORMING OPERATIONS PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES SELECTIVE PRINTING MECHANISMS STAMPS TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	A resistive ribbon printing technique is described in which the ribbon includes a resistive layer comprised of a metal-wide bandgap insulator combination. The ribbon also includes a support layer, where the support function can be provided by the resistive layer, and a fusible ink layer. Electrical current through the resistive layer produces heat which locally melts the ink for transfer to an adjacent receiving medium. The wide bandgap insulator of the resistive layer must have a bandgap of at least three volts. Many different metals and insulators can be used, where the relative amounts of metal and insulator are chosen to provide a desired resistivity for any type of resistive ribbon printing application.