Print head slot ribs

A print head die (30) includes slot ribs (41) having edges (62, 64) with triangular notches. In one embodiment, the print head die is formed by dry etching from a first side (50) of a wafer (30) a series of spaced openings (220) completely through the wafer (30) and separated by ribs (41) followed b...

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Bibliographische Detailangaben
Hauptverfasser:	SCHMIDT CHARLES GUSTAV, BHOWMIK SIDDHARTHA, GIRI MANISH, BROWNING ROBERT N. K, KOMMERA SWAROOP K
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:	A print head die (30) includes slot ribs (41) having edges (62, 64) with triangular notches. In one embodiment, the print head die is formed by dry etching from a first side (50) of a wafer (30) a series of spaced openings (220) completely through the wafer (30) and separated by ribs (41) followed by wet etching the wafer (30) from a second opposite side (44) to recess the ribs (41) from the second side (44).