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1. 发明授权

US4531137A Thermoremanent magnetic imaging method 失效
标题翻译：恒磁成像法
公开(公告)号：US4531137A
公开(公告)日：1985-07-23
申请号：US515720
申请日：1983-07-20
申请人： Reinhold E. Drews , Almon P. Fisher , Herman A. Hermanson , Stephen F. Pond
发明人： Reinhold E. Drews , Almon P. Fisher , Herman A. Hermanson , Stephen F. Pond
IPC分类号： G03G19/00
CPC分类号： G03G19/005
摘要： An energy efficient thermoremanent magnetic imaging method and apparatus comprising a moving magnetic recording medium which is passed through a nip formed by a thermal printhead and a pressure roller, so that the magnetizable surface of the recording medium is in pressure contact with the heating elements of the thermal printhead. The recording medium is pre-magnetized prior to entry in the nip and passed through a magnetic field of lower strength and opposite polarity at the nip. Small areas or pixels of the pre-magnetized recording medium are heated by the thermal printhead in image configuration and allowed to cool in the presence of the magnetic field at the nip. The magnetic poles of the imagewise pixels are switched, forming fringe fields between the pixels and pre-magnetized background areas. The pixels with the switched magnetic poles are spaced from each other to prevent the fringe fields from forming around the periphery of clusters of pixels and collapsing in between some or all of the pixels making up the cluster.
摘要翻译：一种能量有效的热电偶磁性成像方法和装置，包括移动磁记录介质，其通过由热打印头和压力辊形成的辊隙，使得记录介质的可磁化表面与所述记录介质的加热元件压力接触热敏打印头。记录介质在进入辊隙之前被预磁化，并在辊隙处通过低强度和相反极性的磁场。预磁化记录介质的小面积或像素由图像构造中的热打印头加热，并且允许在辊隙处存在磁场的情况下冷却。图像像素的磁极被切换，在像素和预磁化背景区域之间形成边缘场。具有开关磁极的像素彼此间隔开，以防止边缘区域围绕像素簇的周边形成并且在构成簇的一些或全部像素之间折叠。

2. 发明授权

US5136310A Thermal ink jet nozzle treatment 失效
标题翻译：热喷枪喷嘴处理
公开(公告)号：US5136310A
公开(公告)日：1992-08-04
申请号：US589520
申请日：1990-09-28
申请人： Reinhold E. Drews
发明人： Reinhold E. Drews
IPC分类号： B05C5/00 , B41J2/05 , B41J2/135 , B41J2/16
CPC分类号： B41J2/1606
摘要： An ink-repellant coating is provided on the nozzle face of a thermal ink jet printhead. The nozzle face has areas made from different materials. Alkyl polysiloxanes are used to treat the nozzle face in order to control wetting characteristics so as to improve jet directionality and to prevent accumulation of debris on the face. An intermediate layer of silica formed between the nozzle face and the ink-repellant layer is provided so that the ink-repellant layer is isotropically hydrophobic.

3. 发明授权

US5410340A Off center heaters for thermal ink jet printheads 失效
标题翻译：用于热喷墨打印头的中心加热器
公开(公告)号：US5410340A
公开(公告)日：1995-04-25
申请号：US155505
申请日：1993-11-22
申请人： Donald J. Drake , Mark A. Cellura , Michael P. O'Horo , Reinhold E. Drews
发明人： Donald J. Drake , Mark A. Cellura , Michael P. O'Horo , Reinhold E. Drews
IPC分类号： B41J2/05 , B41J2/14 , B41J2/155 , B41J2/16
CPC分类号： B41J2/14129 , B41J2/155 , B41J2002/14379
摘要： An ink jet printhead having off center or offset heaters or thermal transducers to reduce heater damage. The printhead has heaters located beneath channels to eject ink from the channel through a nozzle to a substrate for printing. Edge heaters are spaced away from the dicing edges of the heater plate to avoid damage resulting from dicing for assembly or from thermal expansion due to adjacent printheads if used to form a page width or large array printhead. The spacing distance between the edge heaters to adjacent equally spaced heaters on the same printhead is less than the distance between adjacent equally spaced heaters. Edge heaters are also offset from the centerline of respective channels in the printhead.
摘要翻译：具有偏心加热器或热转换器的喷墨打印头，以减少加热器损坏。打印头具有位于通道下方的加热器，以通过喷嘴将油墨从通道喷射到基板以进行打印。边缘加热器与加热器板的切割边缘间隔开，以避免由于相邻打印头的组装或热膨胀而导致的损坏，如果用于形成页面宽度或大阵列打印头。边缘加热器与同一打印头上相邻等间距加热器之间的间隔距离小于相邻等间距加热器之间的距离。边缘加热器也偏离打印头中相应通道的中心线。

4. 发明授权

US5212496A Coated ink jet printhead 失效
标题翻译：涂覆墨水喷嘴
公开(公告)号：US5212496A
公开(公告)日：1993-05-18
申请号：US589747
申请日：1990-09-28
申请人： Santokh S. Badesha , Reinhold E. Drews
发明人： Santokh S. Badesha , Reinhold E. Drews
IPC分类号： B41J2/135 , B41J2/16 , C08G73/10 , C09D179/08 , C09D183/10
CPC分类号： C08G73/106 , B41J2/1606 , C09D183/10 , Y10T428/31663 , Y10T428/31721
摘要： Disclosed is an ink jet recording head comprising a plurality of channels, wherein the channels are capable of being filled with ink from an ink supply and wherein the channels terminate in nozzles on one surface of the printhead, the surface being coated with a polyimide-siloxane block copolymer.

5. 发明授权

US06302523B1 Ink jet printheads 有权
标题翻译：喷墨打印头
公开(公告)号：US06302523B1
公开(公告)日：2001-10-16
申请号：US09356661
申请日：1999-07-19
申请人： Thomas W. Smith , John R. Andrews , Reinhold E. Drews
发明人： Thomas W. Smith , John R. Andrews , Reinhold E. Drews
IPC分类号： B41J2135
CPC分类号： B41J2/1604 , B41J2/16 , B41J2/1606 , B41J2/1623 , B41J2/1628 , B41J2/1629 , B41J2/1631 , B41J2/1632 , B41J2/1634 , B41J2/1635 , B41J2/1642 , B41J2/1645
摘要： Disclosed is an ink jet printhead comprising a plurality of channels, wherein the channels are capable of being filled with ink from an ink supply and wherein the channels terminate in nozzles on one surface of the printhead, said surface having covalently bonded thereto a coating of an organosiloxane polymer, said organosiloxane polymer coating being substantially uniform with no additional layers thereover.
摘要翻译：公开了一种喷墨打印头，其包括多个通道，其中通道能够从墨水供应源填充墨水，并且其中通道终止于打印头的一个表面上的喷嘴中，所述表面共价键合到其上有机硅氧烷聚合物，所述有机硅氧烷聚合物涂层基本均匀，其上没有附加层。

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