| Patent Number |
Title Of Patent |
Date Issued |
| 7585046 |
Liquid-jet head unit and liquid-jet apparatus |
September 8, 2009 |
| Disclosed are a liquid-jet apparatus, and the liquid-jet head unit including: a liquid-jet head in which nozzle orifices for ejecting ink droplets are arranged in parallel lines; and a head case fixed to the liquid-jet head. A linear expansion coefficient in a reference direction, wh |
| 7553003 |
Liquid-jet head and liquid-jet apparatus |
June 30, 2009 |
| A liquid-jet head, comprising: a nozzle plate having nozzle orifices bored therein; a passage-forming substrate provided with recesses including pressure generating chambers communicating with the nozzle orifices; piezoelectric elements provided on a surface of the passage-forming su |
| 7537313 |
Liquid-jet head and liquid-jet apparatus |
May 26, 2009 |
| The present invention includes a passage-forming substrate on which pressure generating chambers communicating with nozzle orifices ejecting a liquid are respectively formed separately from each other, and actuator devices each including a vibration plate provided on the passage-forming |
| 7399061 |
Bonding structure, actuator device and liquid-jet head |
July 15, 2008 |
| A bonding structure including bonding wires having a diameter A, bonding pads to which the bonding wires are connected, and bonding portions which, as sites of connection, are arranged on a straight line, and wherein the pitch P of the bonding portions is set at XA+.sigma. or more wh |
| 7239070 |
Liquid-jet head and liquid-jet apparatus |
July 3, 2007 |
| A liquid-jet head is provided. In the liquid-jet head, a lower electrode, as a common electrode common to a plurality of piezoelectric elements, is continuously formed as far as an outer region opposite the piezoelectric elements, an auxiliary electrode layer is provided which comprises |
| 7152963 |
Liquid jet head and liquid jet apparatus |
December 26, 2006 |
| A liquid jet head includes: a passage-forming substrate provided with at least two rows of pressure generating chambers each communicating with a nozzle orifice; and piezoelectric elements for causing pressure change in the pressure generating chambers. The piezoelectric elements are pro |
| 6959490 |
Method of manufacturing silicon device, method of manufacturing liquid jet head and liquid jet h |
November 1, 2005 |
| Disclosed are a method f manufacturing a silicon device and a method of manufacturing a liquid jet head, which are capable of surely preventing damage of a piezoelectric element in manufacturing. In forming a thin-film pattern on one surface of a silicon wafer 100, a first moisture perme |
| 6886923 |
Small-sized liquid-jet head and liquid-jet apparatus with increased number of arrays of nozzle o |
May 3, 2005 |
| Disclosed is a liquid-jet head and a Liquid-jet apparatus, which are capable of reliably supplying a driving voltage to a driving IC, increasing the number of arrays of nozzle orifices, and being made small-sized. The liquid-jet head comprises a passage-forming substrate in which a p |
| 6878609 |
Silicon wafer break pattern, silicon substrate, and method of generating silicon wafer break pat |
April 12, 2005 |
| In order to provide a silicon wafer break pattern that stabilizes the location and shape of the breaks at weak spots of the break pattern and that reduces waste, the through-holes of the break pattern is disposed along a scribe line, a first group of the through-holes are substantially |
| 6869170 |
Ink-jet recording head having a vibration plate prevented from being damaged and ink-jet recordi |
March 22, 2005 |
| Provided is an ink-jet recording head that prevents a vibration plate thereof from damage attributed to drive of a piezoelectric element, and an ink-jet recording apparatus. There are provided within a region facing the pressure generating chamber, a piezoelectric active portion, and a |
| 6840601 |
Liquid-jet head and liquid-jet apparatus |
January 11, 2005 |
| Disclosed are a liquid-jet recording head and a liquid-jet recording apparatus, which are capable of retaining a fine liquid ejecting characteristic and obtaining a stable liquid ejecting characteristic. The liquid-jet recording head, which is provided with a passage-forming substrat |
| 6820969 |
Liquid-jet head and liquid-jet apparatus |
November 23, 2004 |
| Disclosed are a liquid-jet head that is capable of maintaining ejection characteristics of liquid droplets, obtaining stable ink ejection characteristics, and arraying piezoelectric elements in high density, and a liquid-jet apparatus. An ink-jet recording head includes: a passage-fo |
| 6796640 |
Liquid-jet head and liquid-jet apparatus |
September 28, 2004 |
| Disclosed are a liquid-jet head that is capable of arraying pressure generating chambers in high density and achieving miniaturization thereof and a liquid-jet apparatus. In the liquid-jet head, a joining plate 30 joined onto piezoelectric elements 300 side of a passage-forming substrate |
| 6764167 |
Ink-jet recording head inkjet recording apparatus |
July 20, 2004 |
| Disclosed are an ink-jet recording head, in which nozzles can be arrayed in high density and a manufacturing cost thereof is reduced, and an ink-jet recording apparatus. In an ink-jet recording head, comprising: a pressure generating chamber (12) communicating with a nozzle orifice; and |
| 6699552 |
Silicon wafer break pattern, silicon substrate |
March 2, 2004 |
| In order to provide a silicon wafer break pattern that stabilizes the location and shape of the breaks at weak spots of the break pattern and that reduces waste, the through-holes of the break pattern is disposed along a scribe line, a first group of the through-holes are substantially |
| 6533402 |
Ink-jet recording head, method of manufacturing the same, and ink-jet recording apparatus |
March 18, 2003 |
| Disclosed are an ink-jet recording head, a method of manufacturing the ink-jet recording head, and an ink-jet recording apparatus, which prevents operational malfunctions owing to external environments, such as humidity, around a piezoelectric element. An ink-jet recording head which inc |
| 6502930 |
Ink jet recording head, method for manufacturing the same, and ink jet recorder |
January 7, 2003 |
| Disclosed are an ink-jet recording head, in which the rigidity of the compartment wall is improved, pressure generating chambers can be arranged in a high density, and cross talk between the pressure generating chambers is reduced, and a manufacturing method of the same and an ink-jet |
| 6378996 |
Ink-jet recording head and ink-jet recording apparatus |
April 30, 2002 |
| Disclosed are an ink-jet recording head in which rigidity of a compartment wall is improved and pressure generating chambers are arranged in a high density, a manufacturing method and an ink-jet recording apparatus thereof.An ink-jet recording head includes: a passage-forming substrate 1 |
