PRINT HEAD

PROBLEM TO BE SOLVED: To manufacture a thin and strong orifice plate by reducing the size of print head thereby reducing ejection ink drop of a thermal ink jet print head. SOLUTION: A thin (25-40 μm) orifice plate made by electroforming is sustained at 200 deg.C-230 deg.C. Since thermal expansion ra...

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Bibliographische Detailangaben
Hauptverfasser:	KRAUS GERALD T, BOYD PATRICK V, PIDWERBECKI DAVID, MACLEOD CHERYL A, KASPERCHIK VLADEK P
Format:	Patent
Sprache:	eng
Schlagworte:	CORRECTION OF TYPOGRAPHICAL ERRORS i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME LINING MACHINES PERFORMING OPERATIONS PRINTING SELECTIVE PRINTING MECHANISMS STAMPS TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To manufacture a thin and strong orifice plate by reducing the size of print head thereby reducing ejection ink drop of a thermal ink jet print head. SOLUTION: A thin (25-40 μm) orifice plate made by electroforming is sustained at 200 deg.C-230 deg.C. Since thermal expansion rate of the orifice plate approaches that of silicon for fixing the orifice plate, strain in the orifice plate is suppressed at the time of machining a print head and hardness of the orifice plate is increased.