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    • 1. 发明公开
    • Ink jet recording method and recording apparatus using same
    • Verfahren zum und Apparat zurDurchführung死了Verfahrens
    • EP0798119A3
    • 1998-07-08
    • EP97302161
    • 1997-03-27
    • CANON KK
    • MAEDA HIROYUKIKIMURA ISAOSHIMOMURA MASAKOKUBOTA HIDEMI
    • B41J2/05
    • B41J2/0454B41J2/0458B41J2/04581
    • The ink jet recording apparatus of this invention comprises a means (67) for heating a record material to a predetermined temperature range at the position of recording, a recording head (41) for ejecting ink (46) from an ink ejection orifice (49) toward the record material to perform recording, the ink containing a substance having thickening properties when undergoing heat, and/or a substance having a cloud point for the heat; a means (69) for measuring the duration for which the recording head resides at the position of recording; and means for controlling the duration of residence in accordance with the properties of the ink to prevent the ejection function being impaired owing to the heating of the surroundings of the ink ejection orifice. This invention can provide an ink jet recording method which determines a rise in the temperature in the surroundings of the ink ejection orifice on the basis of the duration of residence of the recording head at the position of recording for the purpose of recording, and which performs control to suppress the temperature rise before the ejection function is interrupted.
    • 本发明的喷墨记录装置包括用于将记录材料加热到记录位置的预定温度范围的装置(67),用于从喷墨孔(49)喷射墨(46)的记录头(41) 向记录材料进行记录时,含有具有加热性的物质的油墨和/或具有用于加热的浊点的物质; 用于测量记录头位于记录位置的持续时间的装置(69); 以及用于根据油墨的特性来控制居住时间的装置,以防止喷墨功能由于喷墨孔周围的加热而受损。 本发明可以提供一种喷墨记录方法,其基于记录头在记录位置处的驻留持续时间来确定喷墨口周围的温度升高,并且其执行 控制在喷射功能中断之前抑制温升。
    • 6. 发明专利
    • DE69019671T2
    • 1995-12-14
    • DE69019671
    • 1990-02-28
    • CANON KK
    • HASEGAWA KENJISHIOZAKI ATUSHIKIMURA ISAOTOUMA KOUICHI
    • B41J2/05B41J2/14B41J2/16C22C5/04C22C27/02C22C30/00
    • An ink jet head is furnished with an electrothermal transducer which has a heat-generating resistor (1). (1), when energised, generates thermal energy, which is utilised for direct heating of an ink on a thermal action plane and thus for jetting the ink. The heat-generating resistor (1) is made of a material contg. Ir, Ta and Al. The component material of (1) is a non-monocrystalline, polycrystalline or amorphous substance, or a mixt. of these. It contains O,C,N,Si,B,Na,Cl or Fe as impurities. (1) has a structure consisting of a laminated plurality of layers. The electrothermal transducer is furnished with a pair of electrodes to conduct electricity to (1) when it is in contact with (1). The thermal action plane comprises (1) alone or (1) and a protective layer formed on it. The protective layer comprises a Ta layer forming the thermal action plane, (1), and an Si insulating layer existing between (1) and the Ta layer. (1) is 300 Angstroms - 1 micron thick (pref. 1000-5000 Angstrom). An ink jet device is equipped with the ink jet head.
    • 7. 发明专利
    • AT122966T
    • 1995-06-15
    • AT90903920
    • 1990-02-28
    • CANON KK
    • HASEGAWA KENJISHIOZAKI ATUSHIKIMURA ISAOTOUMA KOUICHI
    • B41J2/05B41J2/14B41J2/16C22C5/04C22C27/02C22C30/00
    • An ink jet head is furnished with an electrothermal transducer which has a heat-generating resistor (1). (1), when energised, generates thermal energy, which is utilised for direct heating of an ink on a thermal action plane and thus for jetting the ink. The heat-generating resistor (1) is made of a material contg. Ir, Ta and Al. The component material of (1) is a non-monocrystalline, polycrystalline or amorphous substance, or a mixt. of these. It contains O,C,N,Si,B,Na,Cl or Fe as impurities. (1) has a structure consisting of a laminated plurality of layers. The electrothermal transducer is furnished with a pair of electrodes to conduct electricity to (1) when it is in contact with (1). The thermal action plane comprises (1) alone or (1) and a protective layer formed on it. The protective layer comprises a Ta layer forming the thermal action plane, (1), and an Si insulating layer existing between (1) and the Ta layer. (1) is 300 Angstroms - 1 micron thick (pref. 1000-5000 Angstrom). An ink jet device is equipped with the ink jet head.
    • 9. 发明专利
    • DE60127796T2
    • 2007-12-27
    • DE60127796
    • 2001-11-27
    • CANON KK
    • KIMURA ISAO
    • B41J2/14
    • An ink jet head has an element (120) formed on a substrate (100), having a laminated structure, and comprising a small-sized electromagnet having a coil (103) and a core (102), electrodes (104) for conducting electricity through the electromagnet, a film (105a) that isolates the electromagnet and the electrodes from ink, and a displacing plate (106) having of magnetic materials located opposite the core via the film. A liquid passage and an ink ejection openings are formed on this element. Ink droplets are ejected by exerting pressure required to eject the ink using the attraction/returning of the displacing plate associated with the application/elimination of magnetic force carried out by conducting/interrupting current through the electromagnet. Thus, an ink jet head is provided which has excellent ejection stability and power and which achieves dot-based gradation.