CN102753350A - 制造液体供给构件的方法和制造液体排出头的方法 - Google Patents

制造液体供给构件的方法和制造液体排出头的方法 Download PDF

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CN102753350A
CN102753350A CN2010800523080A CN201080052308A CN102753350A CN 102753350 A CN102753350 A CN 102753350A CN 2010800523080 A CN2010800523080 A CN 2010800523080A CN 201080052308 A CN201080052308 A CN 201080052308A CN 102753350 A CN102753350 A CN 102753350A
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laser beam
beam sources
groove
contact site
sources
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CN102753350B (zh
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森田攻
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Canon Inc
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Canon Inc
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/135—Nozzles
    • B41J2/16—Production of nozzles
    • B41J2/1601—Production of bubble jet print heads
    • B41J2/1603—Production of bubble jet print heads of the front shooter type
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
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    • B29C65/16—Laser beams
    • B29C65/1629—Laser beams characterised by the way of heating the interface
    • B29C65/1635—Laser beams characterised by the way of heating the interface at least passing through one of the parts to be joined, i.e. laser transmission welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
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    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C66/244—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being non-straight, e.g. forming non-closed contours
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
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    • B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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Abstract

一种制造液体供给构件的方法，该液体供给构件向排出口供给液体，该方法包括：制备透过性构件和吸收性构件，两个构件中的至少一方具有用于形成供给路径的槽；使两个构件接触；通过从多个激光束源朝向设置于所述槽的附近并且位于两个构件接触处的接触部同时发出激光束以熔接两个构件来形成供给路径。在形成供给路径期间以下述方式发出激光束：用于包括在接触部中并且位于槽的长度方向上的端部附近的第一部分的单位面积的激光束总照射量比用于接触部的除了第一部分以外的第二部分的具有最小照射量的部分的单位面积的激光束总照射量大。

Description

制造液体供给构件的方法和制造液体排出头的方法
技术领域
本发明涉及制造液体供给构件的方法和制造液体排出头的方法，其中所述液体供给构件向排出液体的排出口供给液体。
背景技术
液体供给构件包括向排出液体的液体排出口供给液体的供给路径。例如，液体供给构件用于喷墨记录头，该喷墨记录头是包括排出口的液体排出头的代表性示例。
将参照图14A简要地说明喷墨记录头的构造。喷墨记录头H1001包括墨盒保持单元H1003和排出墨的记录元件单元H1002。墨盒保持单元H1003包括墨盒保持件H1500和供给路径板H1510。
墨在由记录元件单元H1002引导的状态下经由墨供给路径从墨盒（未示出）被供给到排出口，其中，墨供给路径形成于包括在墨盒保持单元H1003中的液体供给构件（墨供给构件）。
图14B是墨盒保持件H1500的仰视图。图14C是供给路径板H1510的俯视图。墨盒保持件H1500和供给路径板H1510具有用于形成墨供给路径的槽H1600。通过将墨盒保持件H1500和供给路径板H1510接合在一起使得槽H1600彼此面对，在墨供给构件中形成墨供给路径。
用于将墨盒保持件H1500和供给路径板H1510接合在一起的方法可以是日本特开2005-096422号公报中公开的通过激光熔接的已知方法。
将说明通过激光熔接将墨盒保持件H1500和供给路径板H1510接合在一起的方法。首先，通过使用加压夹具510使能吸收激光束的墨盒保持件H1500和能透过激光束的供给路径板H1510彼此接触。参照图14B和图14C，墨盒保持件H1500和供给路径板H1510彼此接触处的接触部600设置于槽H1600附近以包围槽H1600。在墨盒保持件H1500和供给路径板H1510彼此接触的状态下，利用激光束照射接触部600并且将接触部600接合在一起。由此，形成了墨供给路径。由于喷墨记录头用的供给路径具有微细的结构，所以接触部600具有微细的结构。
激光束照射方法包括扫描法和同时照射法。
扫描法包括减小来自激光束照射器的激光束的光斑直径，利用激光束扫描期望的接合表面的轮廓，并且利用激光束照射接合表面。当使用该方法时，具有恒定光束直径的激光束沿着接触部600扫描并且将接触部600彼此熔接。由此，利用均匀的激光束照射接触部600，并且构件能够被均匀地彼此熔接。然而，由于激光束沿着接触部600扫描并且将具有微细结构的接触部600彼此熔接，所以该加工可能要耗费时间。
同时照射法包括利用激光束同时地照射期望的接合表面。该方法能够减少熔接所需的时间。
如果期望通过利用激光束同时照射设置于槽H1600附近的接触部600的同时照射法将墨盒保持件H1500和供给路径板H1510接合在一起，则沿着槽H1600配置多个激光束照射器。
此外，参照图14B，对喷墨记录头供墨的墨供给构件包括槽H1600密集地配置的区域（例如，区域A）和槽H1600稀疏地配置的区域（例如，区域B）。
图15示出通过同时照射法将墨盒保持件H1500和供给路径板H1510彼此熔接时的激光束照射。图15示出图14B的区域B中的包含槽H1600的长度方向上的端部的部分。
然而，如果通过同时照射法进行激光熔接，则槽H1600的端部附近的端部接触部在槽被稀疏地配置的区域（图14中的区域B）中可能被不充分地熔接。例如，不充分熔接可能由于下面的第一个原因和第二个原因而发生。
对于同时照射，参照图15，具有基本上均匀的激光束强度的多个激光束照射器501至507（激光束源）以基本上均匀的间隔配置。从激光束照射器发出的激光束从激光束孔以预定的角度扩散传播。由此，利用激光束照射端部接触部的激光束照射器的数量小于照射除了端部接触部以外的部分的激光束照射器的数量。由此，在图14B的区域B中，用于槽的长度方向上的端部附近的端部接触部的单位面积的激光束总照射量小于用于除了端部接触部以外的接触部的单位面积的激光束总照射量。这是端部处的不充分熔接的第一个原因。即，如果将激光束的强度设定为用于获得为除了端部接触部以外的接触部提供适当熔接的照射量，则端部接触部用的激光束的照射量不能实现熔接所需的适当照射量。
此外，预料中的第二个原因是从区域B中的端部接触部辐射的热量大于从除了端部接触部以外的接触部辐射的热量。
如果通过熔接形成的供给路径包含不充分的熔接部分，则墨可能从供给路径泄漏，结果，可能使喷墨记录头H1001的可靠性劣化。
[引用列表]
[专利文献]
[专利文献1]
日本特开2005-096422号公报
发明内容
本发明提供制造液体供给构件的方法，该方法能够减小当经由同时照射激光束通过激光熔接形成液体供给构件时由于不充分的熔接引起的非熔接部出现的可能性。
根据本发明的方面，一种制造液体供给构件的方法，所述液体供给构件向用于排出液体的排出口供给液体，所述方法包括：制备透过性构件和吸收性构件，所述透过性构件能透过激光束，所述吸收性构件能吸收激光束，所述透过性构件和所述吸收性构件中的至少一方具有用于形成供给路径的槽，所述供给路径用于向所述排出口供给液体；使所述透过性构件与所述吸收性构件在所述槽位于内侧的状态下彼此接触；以及通过从沿着所述槽配置的多个激光束源经由所述透过性构件朝向设置于所述槽的附近并且位于所述透过性构件和所述吸收性构件接触处的接触部同时发出激光束以在所述接触部处熔接所述透过性构件和所述吸收性构件来形成所述供给路径。在形成所述供给路径期间以下述方式发出激光束：用于包括在所述接触部中并且位于所述槽的长度方向上的端部附近的第一部分的单位面积的激光束总照射量比用于所述接触部的除了所述第一部分以外的第二部分的具有最小照射量的部分的单位面积的激光束总照射量大。
关于本发明，当通过用激光束同时照射多个构件并且将构件彼此熔接来制造液体供给构件时，以如下方式发出激光束：用于端部接触部的激光束总照射量比用于除了端部接触部以外的接触部的具有最小照射量的部分的激光束总照射量大。因此，能够减小由于不充分的熔接引起的非熔接部出现的可能性。能够提供不会将墨泄漏到外部的液体供给构件。
附图说明
图1A示出本发明的第一实施方式。
图1B示出第一实施方式。
]图1C示出第一实施方式。
图2A是示出用于制造根据本发明的实施方式的液体供给构件的方法的立体图，该图示出激光熔接处理。
图2B是示出用于制造根据实施方式的液体供给构件的方法的立体图，该图示出激光熔接处理。
图2C是示出用于制造根据实施方式的液体供给构件的方法的立体图，该图示出激光熔接处理。
图3是示出根据本发明的实施方式的液体供给构件用的透过性构件的平面图。
图4A示出本发明的第一实施方式。
图4B示出第一实施方式。
图4C示出第一实施方式。
图5A示出本发明的第一实施方式。
图5B示出第一实施方式。
图5C示出第一实施方式。
图6A示出本发明的第二实施方式。
图6B示出第二实施方式。
图6C示出第二实施方式。
图7是用于说明本发明的第二实施方式的流程图。
图8A示出本发明的第三实施方式。
图8B示出第三实施方式。
图9A示出本发明的第四实施方式。
图9B示出第四实施方式。
图10A示出本发明的第五实施方式。
图10B示出第五实施方式。
图11A示出本发明的第五实施方式的变型。
图11B示出第五实施方式的另一变型。
图12A示出本发明的任一实施方式都能应用的一般的喷墨记录头。
图12B示出本发明的任一实施方式都能应用的一般的喷墨记录头。
图13是示出包括于一般的喷墨记录头中的记录元件基板的立体图。
图14A是示出现有技术的一般的喷墨记录头的说明图。
图14B是示出现有技术的一般的喷墨记录头的说明图。
图14C是示出现有技术的一般的喷墨记录头的说明图。
图15示出本发明要解决的问题。
具体实施方式
[实施方式的说明]
[液体排出头]
将说明作为本实施方式中使用的由液体供给构件供给液体的液体排出头的示例的喷墨记录头。
喷墨记录头至少包括排出墨的排出口、与排出口连通并且为排出口供墨的墨供给路径（供给路径）。
例如，将参照图12A和图12B说明作为构成部件包括于记录头盒中的喷墨记录头。
参照图12A，记录头盒10包括喷墨记录头20和可拆装地安装到喷墨记录头20的墨盒40。
记录头盒10由设置于喷墨记录设备（未示出，以下称为记录设备）中的滑架（未示出）的定位构件保持和支撑。记录头盒10可拆装地安装到滑架。
喷墨记录头20根据从记录设备发出的电信号来驱动记录元件并且由此经由设置于记录元件基板H1101的排出口排出从收容墨的墨盒40供给的墨。例如，记录元件可以是热元件或压电元件。在下面的说明中，将热元件用作记录元件。
图12B是示出图12A中所示的喷墨记录头20的分解立体图。喷墨记录头20包括记录元件单元300和墨盒保持单元200。记录元件单元300包括电布线板340和记录元件基板H1101。
[记录元件单元]
接着，将说明记录元件单元300。
电布线板340包括：用于与记录设备电连接的连接端子341、用于与记录元件基板H1101电连接的电极端子（未示出）；用于连接在连接端子341和电极端子之间的布线；以及用于装配记录元件基板H1101的开口。
电布线板340例如以如下方式与记录元件基板H1101连接。将导电性热固性粘合树脂涂布于记录元件基板H1101的电极部并且涂布于电布线板340的电极端子，然后通过热工具对电极部和电极端子集体加热和加压。由此，电布线板340和记录元件基板H1101被集体地彼此电连接。利用密封剂密封电极部和电极端子之间的电连接部分，由此防止电连接部分由于墨或外部冲击而腐蚀。
图13是用于说明记录元件基板H1101的构造的部分剖视立体图。
记录元件基板H1101具有用于排出墨的排出口H1107、与排出口H1107连通并且对排出口H1107供墨的墨供给口H1102。排出口H1107形成于排出口形成构件H1106。墨供给口H1102形成于硅基板H1110。
硅基板H1110的厚度在0.5至1.0mm的范围。墨供给口H1102通过各向异性蚀刻形成。此外，热元件H1103形成于硅基板H1110。排出口H1107通过光刻技术形成于硅基板H1110使得热元件H1103面对排出口H1107。另外，由例如Au制成的凸块H1105设置于硅基板H1110。凸块H1105用作电极部，所述电极部供给驱动热元件H1103用的电力和电信号。
[墨盒保持单元]
下面将参照图12B说明包括于作为本发明的特征的墨供给构件21（液体供给构件）中的墨盒保持单元200。
墨盒保持单元200保持用作液体容器的墨盒40。墨盒保持单元200包括由能吸收激光束的构件形成的墨盒保持件210（吸收性构件）以及能透过激光束的板状透过性构件220。当透过性构件220和墨盒保持件210通过激光熔接被接合在一起时，透过性构件220和墨盒保持件210形成包括供给路径的墨供给构件21，所述供给路径对记录元件基板H1101的墨供给口H1102供墨。
墨供给构件21配置于墨盒40和记录元件基板H1101之间。墨供给构件21将收容在墨盒40中的墨经由供给路径224供给到记录元件基板H1101。
在本发明的该实施方式中，具有槽222的供给路径构件与墨盒保持件210形成为一体。然而，所述构件可以形成为单独的构件，然后可以将由能吸收激光束的材料形成的供给路径构件安装到墨盒保持件210。
在图12B所示的实施方式中，墨盒保持件210和透过性构件220都具有用于形成供给路径224的槽222。在该实施方式中，由于墨盒保持件210和透过性构件220接合在一起而形成供给路径224，所以墨盒保持件210和透过性构件220中的任一方或两者可以具有用于形成供给路径的槽。
为了通过激光束熔接将墨盒保持件210和透过性构件220接合在一起，其中一个构件必须能透过激光束而另一个构件必须能吸收激光束。
在本发明的该实施方式中，墨盒保持件210由吸收性构件形成并且透过性构件220是板状构件，这是因为利用该构造能容易地进行激光束的照射。墨盒保持件可以具有透过性和吸收性中的一方，而板状构件可以具有透过性和吸收性中的另一方。这些特性可以按照期望被分配给这些构件。
在本发明的该实施方式中，能透过激光束的透过性构件是当具有2.0mm厚度的构件被激光束照射时具有30％以上的透过率的构件。在本发明的该实施方式中，能吸收激光束的吸收性构件是当具有2.0mm厚度的构件被激光束照射时具有90％以上的吸收率的构件。由于使用了具有透过性和吸收性的构件，所以能够对透过性构件和吸收性构件进行激光熔接。
下面将要说明的本发明的后面的实施方式采用由SABICInnovative Plastics Holding BV（GE Plastics Co.，Ltd.）制造的型号为TPN9221的透过性的Noryl作为透过性构件的材料。该透过性的Noryl是能透过激光束并且防墨的透过性材料。可选地，透过性构件的材料可以是由相同的公司制造的型号为TN300的透过性的Noryl。该透过性的Noryl不包含色材。
这里，Noryl是改性聚苯醚的商标。通过改性聚苯醚以增强材料的耐热性和强度而获得Noryl。Noryl属于热固性树脂，并且很耐酸碱。
吸收性构件的材料可以是由相同的公司制造的型号为SE1X的黑色Noryl。该黑色Noryl包含能吸收激光束的染料或颜料。
下面将参照附图说明本发明的具体实施方式。
[第一实施方式]
将参照图1A至图5C详细说明本发明的第一实施方式。
将参照图2A至图2C说明激光熔接处理。图2A至图2C是示出通过将透过性构件220安装到由能吸收激光束的构件形成的墨盒保持件210（吸收性构件）而形成供给路径的步骤的立体图。
参照图2A，制备透过性构件220和墨盒保持件210，并且使透过性构件220和墨盒保持件210彼此接触，其中两个构件的具有槽222的表面位于内侧。
参照图2B，在图2A中的步骤之后，加压夹具53压透过性构件220以使墨盒保持件210和透过性构件220彼此紧密接触。然后，激光束照射设备51同时发出激光束。
图2C示出透过性构件220和墨盒保持件210接合在一起（墨盒保持单元200）的状态。
接着，将参照图3说明用于形成墨供给构件21的供给路径224的槽222的配置。图3是从与墨盒保持件210熔接的表面观察的透过性构件220的图。
参照图3，在该实施方式中，槽222的配置包括槽222密集地配置的区域和槽222稀疏地配置的区域。槽222密集地配置的区域包括槽紧密地配置的区域和形成单路径的槽弯曲并且紧密地配置的区域。槽222稀疏地配置的区域是槽没有被紧密地配置但是形成单路径的槽独自地配置的区域。即使仅存在槽222被稀疏地配置的区域，也可以应用本发明的实施方式。
接着，将在下面参照图1A至图1C、图4A至图4C以及图5A至图5C具体地说明通过激光熔接形成供给路径224。
图4A至图4C示出在图2B中的激光束照射期间槽222稀疏地配置的区域（例如，图2A中的区域S）中的在槽222的长度方向上的端部附近的领域（area）。图4A是从激光束照射侧观察的处于图2B的状态的端部附近的领域的图。
图1A至图1C是沿着图4A的线I-I截取的剖视图，用于说明通过激光熔接形成墨供给构件。图2A至图2C分别对应于图1A至图1C。
图5A至图5C是沿着图4A的线V-V截取的剖视图，用于说明通过激光熔接形成墨供给构件。图2A至图2C分别对应于图5A至图5C。
参照图1A至图1C以及图5A至图5C，在该实施方式中，墨盒保持件210和透过性构件220两者均具有用于形成供给路径224的槽222。
当墨盒保持件210和透过性构件220在槽222位于内侧的状态下彼此接触时，两个构件在包围设置于墨盒保持件210和透过性构件220的槽222的接触部处彼此接触。图3示出由斜线表示的透过性构件220与墨盒保持件210的接触部223。接触部223设置于槽222附近以包围槽222。
两个构件彼此接触的接触部223的外周部是两个构件不彼此接触的非接触部。
由于设置了接触部和非接触部，所以当墨盒保持件210和透过性构件220彼此接触时，压力仅集中于接触部223，由此能够增强两个构件之间的附着性。
参照图1B和图5B，当利用激光束照射接触部223时，包含于墨盒保持件210中的染料或颜料产生热，由此树脂被熔化。所产生的热被传递到透过性构件220。所传递的热使透过性构件220熔化。接触部223变为接合部230。当墨盒保持件210和透过性构件220被熔接时，槽222形成供给路径224。
接着，将参照图4A至图4C说明激光束照射设备51。图4B是沿着图4A中的线IVB-IVB截取的剖视图。图4C是沿着图4A中的线IVC-IVC截取的剖视图。
激光束照射设备51包括多个激光束照射器（激光束源）61至66、用于固定激光束照射器61至66的固定板52以及用于使透过性构件220压靠在墨盒保持件210的加压夹具53。
参照图2B，激光束照射器沿着槽222配置于槽222上方。在该实施方式中，相邻的激光束照射器的中心之间的距离为大约3mm。多个激光束照射器以均匀间隔配置。如果供给路径用的槽与喷墨记录头20用的墨供给构件21一样具有微细的结构，则使用均具有直径比供给路径的宽度大的激光束孔的激光束照射器。由此，在激光熔接期间，利用激光束照射全部的槽222和接触部223。
例如，激光束是半导体激光器（其发出波长为980nm的激光束）的激光束。然而，激光束的类型不受限制，只要激光束的类型具有能透过透过性构件220的波长，则激光束的类型可以是任意类型。
加压夹具53是当从多个激光束照射器同时发出激光束时防止激光束泄漏到外部以及将激光束引导到墨盒保持件210和透过性构件220之间的接触部223的装置。加压夹具53具有由图4A中的虚线表示的内壁53a。内壁53a具有与接触部223的形状对应的形状。此外，内壁53a使用能够容易地反射激光束的构件。例如，内壁53a被镀金处理。由此，反射到内壁53a的激光束能够被有效地照射到接触部223。
接着，说明作为本发明的特征的、位于槽222稀疏地配置的区域（例如，图2A和图3所示的区域S）中的槽222的长度方向上的端部附近的端部接触部223a（第一部分）的激光束照射量。端部接触部223a例如是墨盒保持件210和透过性构件220之间的在图3所示的区域S′中的接触部。
在第一实施方式中，配置于槽222的长度方向上的端部上方的激光束照射器61是高功率类型（4.0W），而其他激光束照射器是通常功率类型（2.5W）。因此，用于端部接触部223a的单位面积的激光束总照射量能够比用于接触部223的除了端部接触部223a以外（除了第一部分以外）的接触部（第二部分）的具有最小照射量的部分的单位面积的激光束总照射量大。在该实施方式中，以如下方式发出激光束：即使单位面积的总照射量最小的部分也能被适当地熔接。通过将端部接触部223a用的照射量增大为大于该部分用的照射量，能够充分地提供端部接触部223a用的激光束照射量。此外，能够减少来自热辐射量比其他部分的热辐射量大的端部的热辐射量。
即使对于位于槽222的长度方向上的端部附近的端部接触部223a来说，也能够提供激光熔接需要的热量。因此，能够减少由于不充分的熔接引起的非熔接部出现的可能性。能够提供不会将墨泄漏到外部的墨供给构件。
在该实施方式中，仅位于槽222的长度方向上的端部的上方的激光束照射器61是高功率类型。可选地，激光束照射器61和62都可以是高功率类型。还可选地，仅激光束照射器62可以是高功率类型。即，配置于激光束照射器可以照射端部接触部223a的位置处的任意激光束照射器（第一激光束源）的功率可以比除了第一激光束源以外的激光束照射器（第二激光束源）的功率高。
此外，不是必须使用具有不同功率的激光束照射器。可以使用激光束的功率可调的激光束照射器，并且配置于激光束照射器可以利用激光束照射端部接触部的位置处的激光束照射器的功率可以比其他激光束照射器的功率高。
图2A至图2C中的该实施方式具有激光束照射器沿槽222的长边方向（长度方向）成排配置的构造。可选地，多个激光束照射器构成的组可以被配置于槽的短边方向上的位置处，并且可以沿槽的长度方向配置多个激光束照射器组。
如果照射可能被不充分地熔接的部分的激光束照射器是像该实施方式一样的高功率类型，则对整个区域来说可以使熔接需要的时间均等。由此，制造期间的生产率良好。
如上所述，如果具有基本上相同的激光束强度的多个激光束照射器以均匀的间隔配置并且激光束照射器同时发出激光束以通过激光熔接而使构件熔接，则非熔接部会出现在槽稀疏地配置的区域。相反地，如果利用激光束过度照射槽密集地配置的区域，则可能使构件发泡，可能使供给路径变形，从而可能使墨流动性恶化。为了解决这些问题，与照射其他区域的激光束照射器的功率相比，照射槽密集地配置的区域的激光束照射器的功率被减小。因此，能够防止供给路径变形，从而能够获得均一的熔接状态。
[第二实施方式]
接着，将参照图6A至图6C和图7说明本发明的第二实施方式。
激光熔接方法和墨供给构件21的构造与第一实施方式的相同，由此省略多余的说明。
与第一实施方式相同，多个激光束照射器构成的组可以配置于槽的短边方向上的位置，并且可以沿槽的长度方向配置多个激光束照射器组。
在第二实施方式中，通过与图2A至图2C所示的第一实施方式的激光熔接处理相似的激光熔接处理来形成墨供给构件21。在第一实施方式中，至少一个激光束照射器是昂贵的高功率类型。然而，在第二实施方式中，使用通常功率类型的激光束照射器。因此，激光束照射器具有基本上相同的功率，这一点应用于随后的实施方式中。
图6A至图6C示出根据该实施方式的用于对槽222稀疏地配置的区域（例如，图2A中的区域S）中的在槽222的长度方向上的端部附近的领域照射激光束的方法。图7是示出根据该实施方式的照射激光束的方法的流程图。图6A、图6B和图6C分别对应于图7的流程图中的命名为图6A、图6B和图6C的部分。
如图6A所示，所有的激光束照射器均利用激光束同时照射接触部223直到除了位于槽222的长度方向上的端部附近的端部接触部223a之外的基本上整个接触部被熔接。然后，如图6B所示，仅位于槽222的长度方向上的端部附近上方的激光束照射器61和62发出激光束，并且终止其他激光束照射器的照射。进一步，如图6C所示，终止激光束照射器62的照射，并且继续激光束照射器61的照射。
如上所述，与其他激光束照射器的照射时间相比，位于激光束照射器能利用激光束照射位于槽222的长度方向上的端部附近的端部接触部223a的位置处的激光束照射器的照射时间增加。此时，与用于接触部223的除了端部接触部223a以外的接触部的具有最小总照射量的部分的单位面积的激光束总照射量相比，用于端部接触部223a的单位面积的激光束总照射量增加。因此，与第一实施方式相同，能够减小由于不充分的熔接引起的非熔接部出现的可能性，并且能够提供不会将墨泄漏到外部的墨供给构件。
在该实施方式中，与其他激光束照射器的照射时间相比，激光束照射器61和62的照射时间增加。然而，与其他激光束照射器相比，可以增加位于激光束照射器能够利用激光束照射端部接触部223a的任意激光束照射器。
[第三实施方式]
接着，将参照图8A和图8B说明本发明的第三实施方式。
在第三实施方式中，与上述实施方式相同，通过图2A至图2C中的激光熔接用的步骤形成墨供给构件21。然而，该实施方式中的特征是激光束照射器的配置。
与上述实施方式类似，多个激光束照射器构成的组可以被配置于槽的短边方向上的位置处，并且可以沿槽的长度方向配置多个激光束照射器组。图8A和图8B示出根据该实施方式的用于槽222稀疏地配置的区域（例如，图2A中的区域S）中的在槽222的长度方向上的端部附近的领域的激光束照射器的配置。图8A是从激光束照射侧观察的处于图2B的状态的端部附近的领域的图。图8B是沿着图8A中的线VIIIB-VIIIB截取的剖视图。
在该实施方式中，参照图8B，相邻的激光束照射器的中心之间的距离为3mm，并且激光束照射器的位置朝向槽222的长度方向上的端部整体地移位。特别地，与在长度方向上相邻的激光束照射器之间的距离相比，激光束照射器61和加压夹具53的内壁53a之间的距离被减小。内壁53a用作反射激光束的反射构件。在图8B中，激光束照射器61的中心和加压夹具53的内壁53a之间的距离为1.2mm。激光束照射器61的中心和内壁53a之间的距离可以期望地等于或小于相邻的激光束照射器的中心之间的距离（在该实施方式中为3mm）的一半。
由于激光束照射器61被配置为接近加压夹具53的使用可以反射激光束的材料的内壁53a，所以内壁53a反射激光束，并且所反射的激光束被照射于端部接触部223a。此时，与所反射的激光束对接触部223的除了端部接触部223a以外的接触部的具有最小总照射量的部分的单位面积的激光束总照射量相比，用于端部接触部223a的单位面积的激光束总照射量增加。因此，能够减小由于不充分的熔接引起的非熔接部出现的可能性。能够提供与第一实施方式相同的不会将墨泄漏到外部的墨供给构件。
[第四实施方式]
接着，将参照图9A和图9B说明本发明的第四实施方式。
在第四实施方式中，与上述实施方式相同，通过图2A至图2C中的激光熔接用的步骤形成墨供给构件21。
与上述实施方式类似，多个激光束照射器构成的组可以配置于槽的短边方向上的位置处，并且可以沿槽的长度方向配置多个激光束照射器组。
图9A和图9B示出根据该实施方式的用于槽222稀疏地配置的区域（例如，图2A中的区域S）中的在槽222的长度方向上的端部附近的领域的激光束照射器的配置。图9A是从激光束照射侧观察的处于图2B的状态的端部附近的领域的图。图9B是沿着图9A中的线IXB-IXB截取的剖视图。
在该实施方式中，配置于槽222的长度方向上的端部附近的相邻的激光束照射器61至63之间的距离比其他相邻的激光束照射器之间的距离小。参照图9B，相邻的激光束照射器的中心之间的距离朝向槽的端部从3mm减小到2.6mm然后减小到2.3mm。由此，与用于接触部223的除了端部接触部223a以外的接触部的具有最小总照射量的部分的单位面积的激光束总照射量相比，用于端部接触部223a的单位面积的激光束总照射量增加。因此，能够减小由于不充分的熔接引起的非熔接部出现的可能性，并且能够提供不会将墨泄漏到外部的墨供给构件。
位于激光束照射器能够利用激光束照射端部接触部223a的位置处并且在槽的长度方向上彼此相邻的相邻激光束照射器（第一激光束源）之间的距离可以比其他相邻的激光束照射器之间的距离小。只要部分激光束照射器如上所述地配置，则激光束照射器的具体配置不限于上述配置。
[第五实施方式]
接着，将参照图10A和图10B以及图11A和图11B说明本发明的第五实施方式。
在第五实施方式中，与上述实施方式相同，通过图2A至图2C中的激光熔接用的步骤形成墨供给构件21。
与上述实施方式类似，多个激光束照射器构成的组可以配置于槽的短边方向上的位置处，并且可以沿槽的长度方向配置多个激光束照射器组。
图10A和图10B示出根据该实施方式的用于槽222稀疏地配置的区域（例如，图2A中的区域S）中的在槽222的长度方向上的端部附近的领域的激光束照射器的配置。图10A是从激光束照射侧观察的处于图2B的状态的端部附近的领域的图。图10B是沿着图10A中的线XB-XB截取的剖视图。此外，图11A和图11B示出该实施方式的变型。与图10A相同，图11A和图11B示出端部附近的激光束照射器的配置。
第五实施方式的特征是激光束照射器的配置。参照图10A和图10B，在槽的长度方向上的延伸部紧邻激光束照射器61追加配置激光束照射器67。
因此，与用于接触部223的除了端部接触部223a以外的接触部的具有最小的总照射量的部分的单位面积的激光束总照射量相比，用于端部接触部223a的单位面积的激光束总照射量增加。因此，能够减小由于不充分的熔接引起的非熔接部出现的可能性，并且能够提供不会将墨泄漏到外部的墨供给构件。
该实施方式的特征仅是追加配置利用激光束照射端部接触部223a的激光束照射器并且由此增加用于端部接触部223a的照射量。追加设置的照射器的配置不受特别限制。例如，参照图11A，激光束照射器61和67可以在与槽222的长度方向交叉的方向上并置地配置于槽222的端部上方。可选地，参照图11B，另一激光束照射器68可以被追加地配置于槽222的延伸部。
上述第一至第五实施方式均增加了对设置于槽的长度方向上的端部附近的端部接触部223a的激光束照射量。然而，第一至第五实施方式中的至少两个实施方式可以组合。
虽然已经参照示例性实施方式说明了本发明，但是可以理解的是本发明不限于所公开的示例性实施方式。所附的权利要求书的范围应符合最宽泛的解释，以涵盖所有的变型、等同结构和功能。
本申请要求2009年11月18日提交的日本专利申请No.2009-263076的优先权，该日本专利申请的全部内容通过引用包含于此。
[附图标记列表]
21墨供给构件（液体供给构件）
51激光束照射设备
70激光束
210墨盒保持件（吸收性构件）
220透过性构件
222槽
223接触部
223a端部接触部（第一部分）
224墨供给构件（供给构件）

Claims (7)

1.一种制造液体供给构件的方法，所述液体供给构件向用于排出液体的排出口供给液体，所述方法包括：
制备透过性构件和吸收性构件，所述透过性构件能透过激光束，所述吸收性构件能吸收激光束，所述透过性构件和所述吸收性构件中的至少一方具有用于形成供给路径的槽，所述供给路径用于向所述排出口供给液体；
使所述透过性构件与所述吸收性构件在所述槽位于内侧的状态下彼此接触；以及
通过从沿着所述槽配置的多个激光束源经由所述透过性构件朝向设置于所述槽的附近并且位于所述透过性构件和所述吸收性构件接触处的接触部同时发出激光束以在所述接触部处熔接所述透过性构件和所述吸收性构件来形成所述供给路径，
其中，在形成所述供给路径期间以下述方式发出激光束：用于包括在所述接触部中并且位于所述槽的长度方向上的端部附近的第一部分的单位面积的激光束总照射量比用于所述接触部的除了所述第一部分以外的第二部分的具有最小照射量的部分的单位面积的激光束总照射量大。
2.根据权利要求1所述的制造液体供给构件的方法，其特征在于，所述多个激光束源包括至少一个第一激光束源和除了所述第一激光束源以外的第二激光束源，所述第一激光束源设置于所述第一激光束源能利用激光束照射所述第一部分的位置处，所述第一激光束源具有比所述第二激光束源的功率高的功率。
3.根据权利要求1所述的制造液体供给构件的方法，其特征在于，所述多个激光束源包括至少一个第一激光束源和除了所述第一激光束源以外的第二激光束源，所述第一激光束源设置于所述第一激光束源能利用激光束照射所述第一部分的位置处，所述第一激光束源具有比所述第二激光束源的照射时间长的照射时间。
4.根据权利要求1所述的制造液体供给构件的方法，其特征在于，所述多个激光束源包括多个第一激光束源和除了所述第一激光束源以外的多个第二激光束源，所述第一激光束源设置于所述第一激光束源能利用激光束照射所述第一部分的位置处，在所述方向上彼此相邻的两个相邻的所述第一激光束源之间的距离比在所述方向上彼此相邻的两个相邻的所述第二激光束源之间的距离小。
5.根据权利要求1所述的制造液体供给构件的方法，其特征在于，所述多个激光束源包括至少一个第一激光束源和除了所述第一激光束源以外的第二激光束源，所述第一激光束源设置于所述第一激光束源能利用激光束照射所述第一部分的位置处，所述第一激光束源和设置于沿所述方向从所述端部起的延伸部并且反射激光束以照射所述第一部分的反射构件之间的距离比所述第一激光束源和沿所述方向与所述第一激光束源相邻的所述第二激光束源之间的距离小。
6.根据权利要求1所述的制造液体供给构件的方法，其特征在于，所述多个激光束源包括至少一个第一激光束源和设置于所述第一激光束源的周围并且利用激光束照射所述第一部分的激光束源，其中所述第一激光束源设置于所述第一激光束源能利用激光束照射所述第一部分的位置处。
7.一种制造液体排出头的方法，所述液体排出头包括用于排出液体的排出口和用于向所述排出口供给液体的液体供给构件，所述方法包括：
制备透过性构件和吸收性构件，所述透过性构件能透过激光束，所述吸收性构件能吸收激光束，所述透过性构件和所述吸收性构件中的至少一方具有用于形成供给路径的槽，所述供给路径用于向所述排出口供给液体；
使所述透过性构件与所述吸收性构件在所述槽位于内侧的状态下彼此接触；以及
通过从沿着所述槽配置的多个激光束源经由所述透过性构件朝向设置于所述槽的附近并且位于所述透过性构件和所述吸收性构件接触处的接触部同时发出激光束以在所述接触部处熔接所述透过性构件和所述吸收性构件来形成所述供给路径，
其中，在形成所述供给路径期间以下述方式发出激光束：用于包括在所述接触部中并且位于所述槽的长度方向上的端部附近的第一部分的单位面积的激光束总照射量比用于所述接触部的除了所述第一部分以外的第二部分的具有最小照射量的部分的单位面积的激光束总照射量大。
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