Ink jet print head

An ink jet print head is provided which includes: a print element substrate; a plate accommodating the print element substrate by enclosing a side peripheral portion of the print element substrate; an electric wiring tape member disposed on the plate and having electric wiring portions for the print...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KASHINO TOSHIO, KIGAMI HIROYUKI
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:	An ink jet print head is provided which includes: a print element substrate; a plate accommodating the print element substrate by enclosing a side peripheral portion of the print element substrate; an electric wiring tape member disposed on the plate and having electric wiring portions for the print element substrate; a first sealant filling a space surrounding the print element substrate enclosed by the plate; and a second sealant covering a part of the electric wiring portions. In this construction, stress concentrations in the electric connections are alleviated even if the electric wiring tape used to support the second sealant has a reduced stiffness due to a reduced thickness of the tape. For this purpose, the plate H 1401 ' is provided with protrusions H 1402 as support members that support the second sealant H 1308 through the extension portions H 1305 of the electric wiring tape.