CN1205035C - 带有外装控制器的移动喷嘴的喷墨打印头 - Google Patents
带有外装控制器的移动喷嘴的喷墨打印头 Download PDFInfo
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Abstract
喷墨打印头的喷嘴组件(10)包括:一个基片(16);至少一个喷嘴(22),每个喷嘴进一步包括排列在基片(16)上的喷嘴开口(24),喷嘴开口(24)与一个喷嘴腔(34)相连,所述喷嘴(22)可以相对于基片(16)移动,以便在需要时使墨水从喷嘴腔(34)中通过喷嘴开口(24)喷出;控制器(28)外装于喷嘴(22)上,并与喷嘴(22)相连,用于控制喷嘴(22)的位移。
Description
技术领域
本发明涉及喷墨打印头,尤其涉及一种具有一个喷嘴阵列的喷墨打印头,其中的每个喷嘴都带有一个外装控制器的移动喷嘴。
背景技术
同类专利申请
与本发明有关的各种方法、系统和装置在下列同类专利申请中揭示。这些专利申请是本发明的专利申请人或受让人与本发明同时申请的:PCT/AU00/00518,PCT/AU00/00519,PCT/AU00/00520,PCT/AU00/00521,PCT/AU00/00522,PCT/AU00/00523,PCT/AU00/00524,PCT/AU00/00525,PCT/AU00/00526,PCT/AU00/00527,PCT/AU00/00528,PCT/AU00/00529,PCT/AU00/00530,PCT/AU00/00531,PCT/AU00/00532,PCT/AU00/00533,PCT/AU00/00534,PCT/AU00/00535,PCT/AU00/00536,PCT/AU00/00537,PCT/AU00/00538,PCT/AU00/00539,PCT/AU00/00540,PCT/AU00/00541,PCT/AD00/00542,PCT/AU00/00543,PCT/AU00/00544,PCT/AU00/00545,PCT/AU00/00547,PCT/AU00/00546,PCT/AU00/00554,PCT/AU00/00556,PCT/AU00/00557,PCT/AU00/00558,PCT/AU00/00559,PCT/AU00/00560,PCT/AU00/00561,PCT/AU00/00562,PCT/AU00/00563,PCT/AU00/00564,PCT/AU00/00565,PCT/AU00/00566,PCT/AU00/00567,PCT/AU00/00568,PCT/AU00/00569,PCT/AU00/00570,PCT/AU00/00571,PCT/AU00/00572,PCT/AU00/00573,PCT/AU00/00574,PCT/AU00/00575,PCT/AU00/00576,PCT/AU00/00577,PCT/AU00/00578,PCT/AU00/00579,PCT/AU00/00581,PCT/AU00/00580,PCT/AU00/00582,PCT/AU00/00587,PCT/AU00/00588,PCT/AU00/00589,PCT/AU00/00583,PCT/AU00/00593,PCT/AU00/00590,PCT/AU00/00591,PCT/AU00/00592,PCT/AU00/00584,PCT/AU00/00585,PCT/AU00/00586,PCT/AU00/00594,PCT/AU00/00595,PCT/^U00/00596,PCT/AU00/00597,PCT/AU00/00598,PCT/AU00/00516,PCT/AU00/00517,PCT/AU00/00511,PCT/AU00/00501,PCT/AU00/00502,PCT/AU00/00503,PCT/AU00/00504,PCT/AU00/00505,PCT/AU00/00506,PCT/AU00/00507,PCT/AU00/00508,PCT/AU00/00509,PCT/AU00/00510,PCT/AU00/00512,PCT/AU00/00513,PCT/AU00/00514,PCT/AU00/00515
上述同类专利申请可作为相互参考。
在我们的同类美国专利申请(编号:09/112,821)中概要介绍了一种移动喷嘴装置。这种移动喷嘴装置通过一种磁控元件调节来控制移动喷嘴的位移,从而控制墨水的喷出。
这种设计的一个问题是,移动喷嘴装置的部件必须进行憎水处理,以防止墨水进入控制器区域中。
本发明提供了一种不需要进行憎水处理的移动喷嘴装置。
发明内容
本发明提供了一种喷墨打印头,包括:
一个基片;
至少一个喷嘴,每个喷嘴进一步包括排列在基片上的喷嘴开口,喷嘴开口与喷嘴腔相连,所述至少一个喷嘴可以相对于基片移动,以便在需要时使墨水从喷嘴腔中通过喷嘴开口喷出;
一个外装于喷嘴上并与喷嘴相连的控制器,用于控制喷嘴的位移。
在本发明中,“喷嘴”一词应理解为带有一个开口的元件,而不是开口本身。
喷嘴可带有一个花冠部分(该花冠部分构成喷嘴的开口)以及从花冠部分延伸的裙边部分,该裙边部分构成喷嘴腔外壁的第一部分。
打印头的喷嘴腔的底面上有一个墨水入口孔,周围还有一圈围墙,该围墙构成喷嘴腔的外壁的第二部分。上述裙边部分可以相对于基片移动,更具体地说,该裙边部分可以相对基片往复位移,向前位移时,墨水得以喷出,向后位移时,可以向喷嘴腔中补充墨水。在裙边部分位移时,上述围墙可以作为抑制装置,防止墨水从喷嘴腔中漏出。而且,该围墙最好具有内卷的唇边部分或刮拭部分,以作为一种密封手段。虽然上述唇边部分与裙边部分之间有一定间隙,但由于墨水粘度较高而且该间隙非常窄,当喷嘴向基片移动时,唇边或刮拭部分可以防止墨水漏出。
上述控制器最好是一种热弯曲控制器,可以由两根横梁构成,其中的一根横梁作为主动梁,另外一根作为被动梁。“主动梁”是指在控制器起动时,电流会流过该梁,而“被动梁”上此时没有电流通过。由于控制器的特殊构造,当电流流过主动梁时,主动梁由于电阻生热作用而发生膨胀,由于被动梁是受限的,所以弯曲运动被传给连接部件,从而使喷嘴产生位移。
上述梁可以在一端使用锚片固定,另一端从基片向上延伸并与连接部件相连。连接部件带有一条横臂,横臂的一端与控制器相连,另一端连接喷嘴,形成一种悬臂结构。因此,与控制器相连的一端的弯曲运动在另一端被放大,使喷嘴产生所需的位移。
打印头可以有多个喷嘴,每个喷嘴都有排列在基片上的对应的控制器和连接部件。每个喷嘴和其控制器和连接部件构成一个完整的喷嘴组件。
打印头可由平面集成电路沉积、平版印刷和刻蚀工艺制造,而且喷嘴组件也可以使用这些工艺制作在打印头上。
基片可以带有一集成的驱动电路层。该集成驱动电路层可以使用CMOS加工工艺制造。
附图说明
下面结合附图详细介绍本发明:
图1是根据本发明实现的喷墨打印头的喷嘴组件的立体示意图;
图2到图4是图1中的喷嘴组件的动作的立体示意图;
图5是构成喷墨打印头的喷嘴阵列的立体图;
图6是图5的喷嘴阵列的局部放大图;
图7是带有一个喷嘴保护帽的喷墨打印头的立体图;
图8a到8r是在喷墨打印头上制造喷嘴组件的步骤立体图;
图9a到9r是制造步骤的侧面剖视图;
图10a到10k所示为在制造过程的各步骤中使用的模板布局;
图11a到11c是根据图8和图9的方法制造的喷嘴组件的动作的立体图;
图12a到12c是根据图8和图9制造的喷嘴组件的动作的侧面剖视图。
具体实施方式
图1所示为根据本发明实现的一个喷嘴组件10。一个喷墨打印头带有多个上述喷嘴组件10,该喷嘴组件在硅基片16上形成一个阵列14(见图5和图6)。喷嘴阵列14将在下面详细说明。
组件10包括一块沉积有一层电介质层18的硅基片(或者说硅晶片)16。在电介质层18上沉积有一层CMOS钝化层20。
每个喷嘴组件10包含一个带有喷嘴开口24的喷嘴22、一个杠杆臂26形式的连接部件,以及一个控制器28。杠杆臂26把控制器连接到喷嘴22上。
如图2到图4所示,喷嘴带有一个花冠部分30,从花冠部分30上延伸出一个裙边部分32。裙边部分32构成喷嘴腔34的外壁(见图2到图4)的一部分。喷嘴开口24与喷嘴腔34的液路相通。需要注意的是,喷嘴开口24有一圈凸缘36,该凸缘36使喷嘴腔34中的墨水40在凸沿上形成一个弯月面38(见图2)。
在喷嘴腔34的底部46上带有一个墨水入口孔42(如图6中所示)。墨水入口孔42与通过硅基片16的墨水进入通道48相通。
墨水入口孔42的外圈有一圈围墙50,围墙从底部46向上延伸。上述喷嘴22的裙边部分32构成喷嘴腔34外壁的第一部分,上述围墙50构成喷嘴腔34的外壁的第二部分。
围墙50的自由端具有向内翻转的唇边52,该唇边起密封墨水的作用,当喷嘴22移动时,唇边52可以阻止墨水漏出。由于墨水40的粘度较高,而且唇边52与裙边部分32之间的间隙非常小,在墨水40的表面张力作用下,唇边52起到密封墨水的作用,防止墨水40从喷嘴腔34中漏出。
控制器28是一种热弯曲型调节装置,它与从硅基片16向上延伸的(更确切地说是从CMOS钝化层20向上延伸)锚片54连接。锚片54安装在导电垫片56上,导电垫片56作为与控制器28连接的电力连接通路。
控制器28包括第一个梁(58,主动梁)和第二个梁(60,被动梁),主动梁在被动梁的上面。在一个较佳实例中,梁58和梁60都由导电陶瓷材料构成或含有导电陶瓷材料(例如氮化钛TiN)。
梁58和梁60的第一端都固定到锚片54上,另一端与杠杆臂26连接。当电流通过主动梁58时,梁58会由于电阻生热效应发生热膨胀。而被动梁60上没有电流通过,所以不会与主动梁58一起同时膨胀,因此,梁58和梁60会产生弯曲运动,导致杠杆臂26和喷嘴22向硅基片16位移,如图3所示。此时,墨水会通过喷嘴开口24喷射出来,如图3中的62。当主动梁58上的热源消除后,即停止电流,喷嘴22将返回到其静态位置,如图4所示。当喷嘴22返回到其静态位置时,由于墨滴颈部被断开,会产生一滴墨64,如图4中标号66所示。然后,墨滴64落到打印媒质上,例如一张纸。由于墨滴64的形成,会产生一个如图4所示的反向弯月面68,。反向弯月面68导致墨水40流入喷嘴腔34,从而立即形成一个新的弯月面38(见图2),为从喷嘴组件10喷出下一滴墨水做好准备。
现参考图5和图6,其中更详细地描绘了喷嘴阵列14。喷嘴阵列14用于四色打印头。所以,该喷嘴阵列14由4个喷嘴组件组70构成,每一个喷嘴组件组提供一种颜色。每个喷嘴组件组70中的喷嘴组件10设置为两个喷嘴组件排72和74。图6中更详细地画出了喷嘴组件组70中的一个喷嘴组件10。
为了更紧密地包装喷嘴组件排72和74中的喷嘴组件10,喷嘴组件排74中的喷嘴组件10相对于喷嘴组件排72中的喷嘴组件10错开一定距离或交错排列。而且,喷嘴组件排72中的喷嘴组件10之间的距离足够大,以使喷嘴组件排74中的喷嘴组件的杠杆臂26通过喷嘴组件排72中相邻的喷嘴组件10。需要说明的是,每个喷嘴组件10都是哑铃形的,因此,喷嘴组件排72中的喷嘴22嵌套于喷嘴组件排74中的相邻喷嘴组件10的喷嘴22和控制器28之间。
而且,为了便于更紧凑地包装喷嘴组件排72和74中的喷嘴22,每个喷嘴22都是六边形的。
业界人士很容易知道,在实际使用中,当喷嘴22向硅基片16移动时,由于喷嘴开口24与喷嘴腔34有一个小角度,所以墨水在喷出时会稍稍偏离垂直方向。而图5和图6中的设计克服了这个问题。在上述两个图中,喷嘴组件排72和74中的喷嘴组件10的控制器28沿同一方向延伸到喷嘴组件排72和74的一侧。因此,从喷嘴组件排72中的喷嘴22喷出的墨滴与从喷嘴组件排74中的喷嘴22喷出的墨滴相互平行,从而提高了打印质量。
而且,如图5所示,硅基片16带有一些粘结垫76,这些粘结垫提供了经垫片56向喷嘴组件10的控制器28的电连接。这些电连接通过CMOS层(图中没有示出)形成。
请参考图7所示的本发明的一个实例。同时参考前图,两张图纸中的符号是相互对应的。
在本实例中,在喷嘴阵列14的硅基片16上安装了一个喷嘴保护帽80。喷嘴保护帽80带有一个主体部分82,该主体部分82具有多个通道84。通道84与阵列14中的喷嘴组件10的喷嘴开口24相对应,当墨水从任何一个喷嘴开口24喷出时,墨滴在打到打印媒质之前会通过相应的通道84。
主体部分82与喷嘴组件10有一定间隙,由支杆或者说支柱86支撑。其中一个支柱86带有一个进气开口88。
在使用时,当阵列14工作时,空气从进气开口88被吸入,并与墨水一起通过通道84。
由于空气通过通道84的速度与墨滴64的速度不同,所以墨滴64不会受空气的影响。例如,墨滴64从喷嘴22喷出的速度大约为3米/秒,而空气通过通道84的速度大约为1米/秒。
空气的作用是使通道84不会夹杂异物颗粒。如果某些异物(例如灰尘颗粒)落入到喷嘴组件10中,会对喷嘴产生不良影响。采用由喷嘴保护帽80的进气开口88强制送气的方式,能够在很大程度上避免上述问题。
请参考图8到图10,其中示出了制造喷嘴组件10的工艺过程。
从硅基片(或者说硅晶片)16开始,在硅基片16的表面沉积一层电介质层(或者说氧化物层)18。该电介质层18是一层1.5微米厚的CVD氧化物。在电介质层18上加一层抗蚀剂,然后使用模具100进行印刷处理。
经过印刷处理后,使用等离子刻蚀方法把电介质层18刻蚀到硅基片16的层上,然后去掉抗蚀剂,清理电介质层18,经过上述步骤,墨水入口孔42就形成了。
在图8b中,在电介质层18上沉积0.8微米厚度的铝102,然后加一层抗蚀剂,使用模具104进行印刷处理。然后,采用等离子刻蚀方式把铝102刻蚀到电介质层18,去掉抗蚀剂,对该层进行清理。此工艺步骤形成了粘结垫以及与喷墨控制器28的互连通道。互联通道连接到一个NMOS驱动晶体管和一个电源层,连接线路在CMOS层(图中没有示出)形成。
然后,在所得到的装置上再沉积0.5微米厚的PECVD氮化物,作为CMOS钝化层20。在钝化层20上加一层抗蚀剂,然后使用模具106进行印刷处理。经过印刷处理后,使用等离子刻蚀方法把氮化物刻蚀到铝102的层上,在墨水入口孔42区域,应刻蚀到硅基片16的层上。去掉抗蚀剂,然后对设备进行清理。
在钝化层20上旋压一层牺牲层108。该层108是6微米厚的感光聚酰亚胺或4微米厚的高温抗蚀剂。把层108烘干,然后使用模具110进行印刷处理。印刷处理后,如果层108由聚酰亚胺材料制成,那么应在400℃温度下对其烘烤1小时;如果层108由高温抗蚀剂构成,那么应在300℃以上的温度对其烘烤1小时。需要注意的是,在设计模具110时,应考虑到由缩水所导致的牺牲层108的图案扭曲。
下一步,如图8e所示,在产品上加第二层牺牲层112。牺牲层112可以是旋压的2微米厚的感光聚酰亚胺,也可以是1.3微米厚的高温抗蚀剂。牺牲层112烘干后,使用模具114进行印刷处理。经过印刷处理后,对于由聚酰亚胺构成的牺牲层112,应在400℃下烘烤1小时;对于由高温抗蚀剂构成的牺牲层112,应在300℃以上的温度下烘烤1小时左右。
然后,在产品上沉积一层0.2微米厚的多层金属层116。该金属层116的一部分将构成控制器28的被动梁60。
金属层116的加工方法是:在300℃左右溅射1000厚的氮化钛TiN,然后溅射50厚的氮化钽TaN,然后溅射50厚的氮化钽TaN和1000厚的氮化钛TiN,最后再溅射1000厚的厚的氮化钛TiN。
也可以使用TiB2、MoSi2或(Ti,Al)N代替TiN。
然后,对金属层116使用模具118进行印刷处理,然后使用等离子刻蚀方法刻蚀到牺牲层112,下一步,小心地去掉加在金属层116上的防蚀剂,注意不要伤及牺牲层108或112。
下一步,在金属层116上旋压一层4微米厚的感光聚酰亚胺或2.6微米厚的高温抗蚀剂,形成第三层牺牲层120。牺牲层120经过烘干后,使用模具122进行印刷处理。然后进行热烘。对于聚酰亚胺,应在400℃下对牺牲层120烘烤1小时左右;对于高温抗蚀剂,应在300℃以上对牺牲层120烘烤1小时左右。
下一步,在牺牲层120上再沉积第二层多层金属层124。金属层124的成分与金属层116相同,工艺方式也相同。需要说明的是,金属层116和金属层124都是导电层。
然后,使用模具对金属层124进行印刷处理。下一步使用等离子刻蚀方法把金属层124刻蚀到牺牲层120(聚酰亚胺或高温抗蚀剂),然后,把加在金属层124上的抗蚀剂层小心地揭下来,注意不要伤及牺牲层108、112或120。需要说明的是,金属层124的剩余部分将构成控制器28的主动梁58。
下一步,在金属层124上旋压一层4微米厚的感光聚酰亚胺或2.6微米厚的高温抗蚀剂,形成第四层牺牲层128。牺牲层128经过烘干后,使用模具130进行印刷处理,剩下图9k所示的孤立部分。然后,对于聚酰亚胺材料,应在400℃下对牺牲层128的剩余部分烘烤1小时;对于高温抗蚀剂材料,应在300℃以上的温度下对牺牲层128的剩余部分烘烤1小时。
请参考图81,在上述产品上再沉积一层高杨氏模量的电介质层132。电介质层132由1微米左右厚度的氮化硅或氧化铝构成。电介质层132的沉积温度应低于牺牲层108、112、120、128的热烘温度。电介质层132应具有高弹性模数、化学惰性以及对TiN的良好粘接性。
下一步,在上述产品上在旋压一层2微米厚的感光聚酰亚胺或1.3微米厚的高温抗蚀剂,形成第五个牺牲层134。牺牲层134经过烘干后,使用模具136进行印刷处理。然后,如果是聚酰亚胺材料,应在400℃下对牺牲层134的剩余部分烘烤1小时;如果是高温抗蚀剂,应在300℃以上的温度下对牺牲层134的剩余部分烘烤1小时左右。
然后,采用等离子刻蚀方法把电介质层132刻蚀到牺牲层128,注意不要伤及牺牲层134。
上述步骤形成喷嘴开口24、杠杆臂26、以及喷嘴组件10的锚片54。
下一步,在上述产品上沉积一层高杨氏模量的电介质层138。电介质层138的沉积方法是:在低于牺牲层108、112、120和128的热烘温度下,沉积一层0.2微米厚的氮化硅或氮化铝。
下一步,如图8p所示,使用具有方向性的等离子刻蚀方法对电介质层138刻蚀0.35微米的深度。刻蚀的目的是从所有表面上清除电介质,仅留下电介质层132和牺牲层134的侧壁上的电介质。此步骤形成喷嘴开口24周围的喷嘴凸缘36,该喷嘴凸缘36使墨水产生上述的弯月面。
然后,在产品上加一层防紫外线(UV)胶带140,在硅基片16背面旋压一层4毫米后的抗蚀剂。然后使用模具142进行背面刻蚀处理,形成墨水进入通道48。然后从硅基片16上去掉防蚀剂。
在硅基片16的背面贴一层防紫外线UV胶带(图中没有示出)。然后去掉胶带140。下一步,把牺牲层108、112、120、128和134在氧等离子中进行处理,形成图8r和图9r中所示的最终的喷嘴组件10。为了便于参考,上述两图中的零件编号与图1中的编号相同,以反映喷嘴组件10的相关部件。图11和12所示为按照上述工艺过程制造的喷嘴组件10的工作示意图。这些附图与图2到图4对应。
业内人士很容易了解,可以根据上述实例中描述的本发明进行各种等价的变化或修改。本发明的实例只用来阐明发明内容,不应限制发明的范围。任何根据本发明进行等价变化或修改的装置都应属于本发明的范围。
Claims (13)
1.一种喷墨打印头,包括:
一个基片;
至少一个喷嘴,每个喷嘴进一步包括排列在基片上的喷嘴开口,喷嘴开口与喷嘴腔相连,所述至少一个喷嘴可以相对于基片移动,以便在需要时使墨水从喷嘴腔中通过喷嘴开口喷出;
一个外装于喷嘴上并与喷嘴相连的控制器,用于控制喷嘴的位移。
2.如权利要求1所述的喷墨打印头,其中所述喷嘴包括:一个构成开口的花冠部分;一个从花冠部分延伸出的裙边部分,该裙边部分构成上述喷嘴腔的外壁的第一部分。
3.如权利要求2所述的喷墨打印头,其中喷墨所述打印头还包括:位于喷嘴腔底板上的墨水入口孔以及环绕该墨水入口孔的围墙,该围墙构成喷嘴腔外壁的第二部分。
4.如权利要求3所述的喷墨打印头,其中上述裙边部分可以相对于基片位移,上述围墙作为防止墨水从上述喷嘴腔中漏出的一个装置。
5.如权利要求1所述的喷墨打印头,其中所述控制器是一种热弯曲型控制器。
6.如权利要求5所述的喷墨打印头,其中所述热弯曲型控制器由两条梁构成,一条作为主动梁,另一条作为被动梁。
7.如权利要求6所述的喷墨打印头,其中所述控制器通过一个连接部件与喷嘴连接。
8.如权利要求7所述的喷墨打印头,其中所述梁的一端被固定到安装在基片上的锚片上,另一端与上述连接部件相连。
9.如权利要求8所述的喷墨打印头,其中所述的连接部件包含一个杠杆臂,该杠杆臂的第一端与控制器连接,另一端与喷嘴连接,并形成一种悬臂结构。
10.如权利要求1所述的喷墨打印头,其中所述打印头包含多个喷嘴,每个喷嘴与排列在基片上的相应的控制器和连接部件连接。
11.如权利要求1所述的喷墨打印头,其中所述打印头是通过平面集成电路沉积、平版印刷和刻蚀工艺制造的。
12.如权利要求1所述的喷墨打印头,其中所述基片包含一个集成的驱动电路层。
13.如权利要求12所述的喷墨打印头,其中所述集成的驱动电路层是使用CMOS制造工艺形成的。
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-
2000
- 2000-05-24 CN CNB008195730A patent/CN1205035C/zh not_active Expired - Fee Related
- 2000-05-24 JP JP2001586057A patent/JP4380961B2/ja not_active Expired - Fee Related
- 2000-05-24 EP EP00929090A patent/EP1301344B1/en not_active Expired - Lifetime
- 2000-05-24 US US10/296,434 patent/US7152962B1/en not_active Expired - Fee Related
- 2000-05-24 DE DE60034967T patent/DE60034967T2/de not_active Expired - Lifetime
- 2000-05-24 AT AT00929090T patent/ATE362847T1/de not_active IP Right Cessation
- 2000-05-24 AU AU2000247313A patent/AU2000247313B2/en not_active Ceased
- 2000-05-24 IL IL15302800A patent/IL153028A/xx not_active IP Right Cessation
- 2000-05-24 WO PCT/AU2000/000578 patent/WO2001089839A1/en active IP Right Grant
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2002
- 2002-12-03 ZA ZA200209790A patent/ZA200209790B/xx unknown
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2005
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- 2005-02-15 IL IL166919A patent/IL166919A/en not_active IP Right Cessation
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2006
- 2006-11-15 US US11/599,341 patent/US7357485B2/en not_active Expired - Fee Related
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2008
- 2008-03-06 US US12/043,820 patent/US7766459B2/en not_active Expired - Fee Related
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US7152962B1 (en) | 2006-12-26 |
AU2005200189B2 (en) | 2006-02-16 |
US7766459B2 (en) | 2010-08-03 |
JP2003534167A (ja) | 2003-11-18 |
CN1452553A (zh) | 2003-10-29 |
AU2005200189A1 (en) | 2005-02-03 |
EP1301344A1 (en) | 2003-04-16 |
DE60034967D1 (de) | 2007-07-05 |
EP1301344A4 (en) | 2004-11-17 |
US8104874B2 (en) | 2012-01-31 |
DE60034967T2 (de) | 2008-02-28 |
US20080151002A1 (en) | 2008-06-26 |
ATE362847T1 (de) | 2007-06-15 |
IL153028A (en) | 2005-06-19 |
ZA200209790B (en) | 2003-07-30 |
IL166919A (en) | 2009-06-15 |
AU2000247313B2 (en) | 2004-10-21 |
WO2001089839A1 (en) | 2001-11-29 |
US7357485B2 (en) | 2008-04-15 |
IL153028A0 (en) | 2003-06-24 |
US20070057994A1 (en) | 2007-03-15 |
US20100289855A1 (en) | 2010-11-18 |
JP4380961B2 (ja) | 2009-12-09 |
EP1301344B1 (en) | 2007-05-23 |
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