CN1688414A - 带有中断引发物的定制多层卡及制备该卡的方法 - Google Patents

带有中断引发物的定制多层卡及制备该卡的方法 Download PDF

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CN1688414A
CN1688414A CNA038239604A CN03823960A CN1688414A CN 1688414 A CN1688414 A CN 1688414A CN A038239604 A CNA038239604 A CN A038239604A CN 03823960 A CN03823960 A CN 03823960A CN 1688414 A CN1688414 A CN 1688414A
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CN100457473C (zh
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J·-L·勒叙尔
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Jin Yatuo
Gemalto Oy
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Gemplus SA
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Abstract

本发明涉及一种普通卡形的定制多层载体(10)，如一种识别卡，它包括一个卡体(12)，在其上面(14)设置有从外部看见个人的信息(16)；一个固定在卡体(12)的上面(14)的至少部分透明的薄膜(22)。本发明的特征在于它包括多条划界线(30、32)，它们限定出了一些其机械强度减小或增加的薄膜部位区。本发明还涉及制造上述定制多层载体(10)的方法。

Description

带有中断引发物的定制多层卡及制备该卡的方法
本发明涉及一种普通卡形的定制多层载体。
本发明特别涉及一些轧制型的卡，也就是说涉及的那些卡包括多层叠放并经热轧粘贴在一起的塑料层。
一般说来，一个普通卡形的定制多层载体，比如识别卡都包括：
一个卡体，其上表面备有可从外面看到的个人信息；
一个至少是局部透明的薄膜，它固定在卡体的上面。
在大部分表面印有信息的轧制卡上，例如银行卡及身份证(标识卡)，在卡体与透明薄膜之间的粘附都是利用粘着层而得到的。
在透明膜的上面往往都借助一个粘着层粘附一个保护层，为的是保护彩色照片或塑料卡的定制正文。
利用某些方法，能够分离开(《剥离》)两个卡层，这就可以使某些不怀好意的人改变个人信息，然后再把这两层彼此重新粘合。
目前，在身份证领域内，公认的是，这种可把卡的两层分离开的可能性是塑料卡为确保其所载信息真实性的主要弱点。
本发明尤其力求达到克服这些缺点。
为达此目的，本发明提供一种普通卡形的定制多层载体，比如一种识别卡，它包括：
一个卡体，其上面带有可从外面看到的个人信息；
一个至少部分透明的薄膜，它固定在卡体的上面；
一些划(分)界线可划定出一些减少或增加了机械强度的薄膜区，形成了一些中断引发物，使得薄膜处在企图剥离的情况下就被分割成碎片。
其特征在于：划分线至少构成一个识别单元图案可以从外部看得到。
根据本发明的其它一些特征：
划界线包括一些在薄膜与卡体之间界面处形成的焊缝；
划界线包括一些在至少一个薄膜面内形成的沟槽；
这些沟槽穿过薄膜整个厚度；
透明薄膜的上面覆盖了一层透明保护层；
透明薄膜上面带有一些个人信息；
透明薄膜固定在卡体上表面上是借助一个粘性衬里粘贴成的。
本发明还提出一种制备普通卡形的定制多层载体的方法，比如一种识别卡，典型地包括：
所说的组装步骤，在该步骤过程中至少部分透明的薄膜固定在卡体上面；
所说的定制步骤，在该定制步骤过程中，个人信息安排在卡体上面，使得个人信息可通过透明薄膜从外部看得到。
其特征在于，在组装步骤以后，采用了一个所说的安全化处理步骤，在该步骤中利用激光束制成一些划界线，使得可以规定出一些减少或增大机械强度的薄膜部位，形成了中断性引发物，以便在企图剥离薄膜的情况下引起薄膜破碎。
根据本发明方法的其它特征：
形成一些划界线，与此同时至少在透明膜的一个面上制成一些沟槽。
形成一些划界线，与此同时在透明膜与壳体之间的界面上制成一些焊接点。
形成一些划界线，与此同时在至少一个透明薄膜面上制成一些沟槽以及在透明膜与垂直沟槽的邻近卡体之间的界面上形成一些标记和/或焊缝。
本发明的其它特征和优点可在阅读了后面为了加以理解所作的详细说明时而显示出来并且参照了几个附图，其中有：
图1是一个剖面图，它概括地示出了按照本发明说明所制成的定制多层卡；
图2是一个俯视图，它概括地表示了由图1卡所承载的个人信息及识别信息；
图3A、3B、3C及3D是些与图1相类似的示图，它们描述了按照本发明制作图1卡的方法。
在图1和2上表示出了定制多层载体10，它是按照本发明说明书制成的。
定制多层载体10在此是一种识别卡，例如是国民身份证。
卡10包括卡体12，这是用不透明塑料制成的并且其上面14载有卡10的个人信息16。
个人信息16例如包括单个人的照片描绘18及一些与个人身份有关的按字母和数字组合分类的特征标字符20，如图2所示。
透明薄膜22粘贴在卡体12的上面14。
薄膜22可部分透明，也就是说它只是在个人信息16的上面是透明的，这些个人信息从外面应该看得见。
根据在此所表示的实施方式，透明薄膜22的上面24带有与卡体12所承载的个人信息16相比是多余的个人信息26。
在图2上，由卡体12承载的个人信息16是以细线条表示的，而薄膜22所带的个人信息26是以粗线条表示的。
有利的是，透明膜28可形成保护层，它粘贴在薄膜22的上面24并且覆盖它。
按照本发明的说明，卡10带有一些划界线30、32它们划定出一些机械强度减小或增大的薄膜22的部位。
划界线在这里包括焊点30和沟槽32，它们都简略地表示在图2上了。
为了简化描述，在图2上表示出了仅仅一个焊点30和一个沟槽32。
焊点30都制备在薄膜22与卡体12之间的界面处，以致于它们形成一些区域，在这些区域范围内剥离薄膜22的机械强度比简单地粘贴在卡体12上的薄膜22的区域内更大。
因此，在企图相对卡体12剥离薄膜22的情况下，不带有焊点30的薄膜22的部分比带有焊点30的薄膜22的部分更容易剥离，这些带有焊点的薄膜部分仍保持与卡体12连接在一起，这就会引起在这两种部分之间的连接处薄膜22的撕裂同时造成薄膜22裂成碎片。
沟槽32在这里穿过薄膜22的整个厚度，这可在薄膜22中形成开缝，以致于邻近这些沟槽32的薄膜22的一些部分之间的连接变得脆弱了，因而机械强度小。
因此，在企图相对卡体12剥离薄膜22的情况下，与沟槽32毗连的部分将分离，与此同时造成薄膜22破碎。
薄膜22的破碎防止了其再利用，并且利用焊点30保持住已固定在卡体12上的薄膜22部分，使得卡体12的表面态变坏。
因此，任何伪造卡10的企图都以明显看得到的缺陷形式显露在卡10的各层12、22、28中。
要指出的是，在薄膜22中已减小或增加机械强度的部位形成了一些中断性的引发物，因为在企图剥离薄膜22的情况下，该薄膜将倾向于在较高机械强度的部位与较弱机械强度部位之间以分离的方式断裂。
根据本发明的一种实施变型(未示出)，沟槽32可制备在薄膜22的一个面上，同时又没有完全穿过薄膜22的厚度。这类沟槽32在那种情况下形成了这样一些中断性引发物，这是为了在企图剥离薄膜22的情况下发生断裂而设计的。
有利的是，如图2上所表示的那样，焊点30及沟槽32都可制成相当细的线条形以便可以构成一些从外面透过薄膜22及膜层28可看得见的单元图案34、36。
根据这里所表示的实施方式，焊点30和沟槽32构成了一种主要标识图案34例如可以表示为一个语言形式或印记，为的是便于直观识别卡10。
焊点30和沟槽32在这里构成了第二种单元图案36它呈现一些穿过整个卡10面的波形线。该第二单元图案36便于检验卡10上可见缺陷。
有利地是，划界线30、32可以布置在卡10的明显部位内，也就是说那些最能被剥离的部位内，例如围绕显示照片18的地方或者是靠近卡10边缘以内的部位。
当然，划界线30、32可以是不连贯的并且它们也能由一系列点构成。
根据一种实施变型例(图中未示出)，划界线30、32可以单独由一些焊点30构成，或是只由沟槽32构成。
联系图3A至3E，现在描述一种按照本发明说明书所进行的卡10制备方法。
在所说的第一个接合过程中，图3A和3B对其作了描述，可形成卡10的最初两层12、22，在此是利用粘贴固定在一起的。
为此，根据图3A所示的实施方式，第一个粘附覆盖层38是沉积在透明薄摸22的下面15上的。
卡体12和薄膜22随后按其厚度方向叠放，接着这两层12、22进行热轧制，这就完成了接合步骤。
当然，薄膜22固定在卡体12上也可利用其它方法实现，例如采用网状结构冷固定方法等。
在图3B所描述的所说的定制第二个步骤中，个人信息16、26都转移到卡10上。
根据这里所表示的实施方式，个人信息26是印制在透明薄膜22的上面24，例如采用热转移法，或利用任何其它适合的印刷方法。
个人信息16是利用激光束42转移到卡体12的上面14。
在所说的安全措施的第三个步骤中，划界线，在此是些焊点30和沟槽32，都是利用可透过透明薄膜22的激光束42制成的。
焊点30和沟槽32是在选择确定的激光束42功率的同时，也可能同时选择激光束42在薄膜22厚度中的确定聚焦点而得到的。
激光脉冲频率的选择，激光束42的移动速度以及构成透明薄膜22的材料选择，都对利用激光束42所得到的技术效果有影响。
卡体12是不透明的，激光束42可以透过透明膜层22，但是它被阻止在卡体12与薄膜22之间的界面上。
人们注意到，利用激光束42实现安全措施的步骤可以制成形状可变的沟槽32，例如其形式与定制数据16或26相同。
有利的是，制备划界线30、32所用的激光束42与实现卡10定制所用的激光束是同一类型。
在图3D所示的所说的保护措施的第四个步骤中，保护性透明膜28例如利用粘贴方式被固定在透明薄膜22的上面24。
根据本发明方法的一种实施变型例(未示出)，安全措施的步骤可以在保护步骤以后进行。在这种情况下，利用激光42形成的沟槽32可穿过透明膜28和薄膜22。
该实施变型例的优点是，卡10的各层12、22、28的安全措施可以只在一次实现，其中包括假如存在一个纸层的安全措施。
人们注意到，安全措施步骤可以在定制处理步骤之前或之后实施。它也可以在个人信息26转移与个人信息16转移之间进行。
当然，可在薄膜22内形成中断性引发物的沟槽32也可以利用机械方法制成。但是，本发明在轧制多层卡10的应用中，尤其是由于制备的费用及简便起见，最好在接合步骤之后采用局部热转移。
本发明方法可以更经济地对卡10进行安全化处理，并且划界线30、32的定位精度较高。
根据本发明方法的一种实施变型例(未示出)，可形成焊点30的局部热转移可以在采用加热掩模的同时通过热刻法来实现。
掩模图案是由卡10的敏感部位的位置确定的，例如呈现照片的位置。
掩模是利用一种机械，比如热压机，贴在卡10上的以便保存全息照相并形成签字板。
掩模法加热塑料层12、22、28一直到塑料熔化以便在不同的各层12、22、28之间焊接粘连在一起。
塑料加热可以通过掩模预热达到，例如利用电力***，或者直接利用高频或微波。
 本发明还有一个目的是制得一种定制载体，其划界线是这样制成的，要使得它们都对应于处在卡表面的薄膜分割缝，伴随有沿着和垂直于这些划界线的毗连下表面的加标记和/或烧除。加标记和/或烧除也能引起由于分割造成的沟槽边缘与毗连表面的焊接。这些操作仅一次处理完成甚至利用一个激光束完成两个处理。本发明的不同之处尤其在于，与薄膜相接触的下表面上的标记和/或焊接点都垂直和沿着由于分割线所形成的那些沟槽。

Claims (10)

1.一种普通卡形的定制多层载体(10)，比如一种识别卡，它包括：
一个卡体(12)，在其上面(14)设置有从外部可以看见的个人信息(16)；
一个至少部分透明的薄膜(22)，它固定在卡体(12)的上面(14)；
多条划界线(30、32)，它们限定出了一些其机械强度减小或增加的薄膜部位区，可形成一些中断性引发物，使得在企图剥离薄膜(22)的情况下，薄膜(22)发生破碎；
其特征在于，划界线(30、32)构成了至少一个可从外部看见的识别单元图案(34)。
2.根据权利要求1所述的载体(10)，其特征在于，所述划界线(30、32)包括一些在薄膜(22)与卡体(12)之间界面上形成的焊点(30)。
3.根据前面权利要求中任一项所述的载体(10)，其特征在于，划界线包括一些在薄膜(22)至少一面内形成的沟槽(32)。
4.根据权利要求3所述的载体(10)，其特征在于，沟槽(32)可穿过薄膜(22)整个厚度。
5.根据前述权利要求中任一项所述的载体(10)，其特征在于，划界线包括一些在透明薄膜(22)至少一个面上的沟槽(32)以及一些在透明薄膜(22)与邻接的卡体(12)之间界面处的标记和/或焊点。
6.根据前述权利要求中任一项所述的载体(10)，其特征在于，透明薄膜(22)的上面(24)覆盖了一个透明保护层(28)。
7.普通卡形的定制多层载体(10)的制备方法，这种载体比如是一种识别卡，该方法典型的包括如下步骤：
一个所说的接合步骤，在该步骤中，至少部分透明的薄膜(22)被固定在卡体(12)的上面(14)。
一个所说的定制步骤，在该步骤中，个人信息(16)都被安排在卡体(12)的上面(14)，以致于个人信息(16)都可以从外部通过透明薄膜(22)而看得见。
其特征在于，在接合步骤以后，实施了一个所说的安全措施步骤，在此步骤中，划界线(30、32)是利用激光束(42)实现的，使得限定出一些减小或增加机械强度的薄膜(22)的部位，可形成一些中断性的引发物，以便在企图剥离薄膜(22)的情况下引起薄膜(22)破碎。
8.根据权利要求7所述的方法，其特征在于，人们制成了一些划界线，与此同时在透明薄膜(22)的至少一个面上形成了一些沟槽(32)。
9.根据权利要求7或8所述的方法，其特征在于，人们制成了划界线，与此同时在透明薄膜(22)与卡体(12)之间的界面上形成了一些焊点(30)。
10.根据前述权利要求中任一项所述的方法，其特征在于，制成了多条划界线，与此同时在透明薄膜(22)至少一个面上形成一些沟槽(32)以及在透明薄膜(22)与邻近的卡体(12)之间界面处，垂直于沟槽形成了一些标记和/或焊点。
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