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    • 37. 发明公开
    • Thermal activation method and thermal activation device for a heat-sensitive adhesive sheet
    • HaftfolieWärmeaktivierungsverfahrenundWärmeaktivierungsvorrichtungfüreinewärmeempfindlicheHaftfolie
    • EP2279873A2
    • 2011-02-02
    • EP10178057.5
    • 2005-05-18
    • Seiko Instruments Inc.
    • Kohira, HiroyukiTakahashi, MasanoriSato, YoshinoriHoshino, MinoruObuchi, Tatsuya
    • B41J2/32B41J3/407B41J15/04B65C9/25
    • B41J2/32B41J3/4075B41J15/005B41J15/046B65C9/25Y10T156/17
    • A thermal activation method for a heat-sensitive adhesive sheet is provided, in which the adhesive sheet has an adhesive layer, which can be rendered adhesive by heat generated by driving a linear array of heating elements (10) of a thermal head (11). The method includes: the step of selectively driving the plurality of heating elements by choosing in advance which at least one of the plurality of heating elements is to temporarily stop being driven and by setting in advance when to stop driving this heating element, in a manner that gives a first region, that is not heated by any opposing heating element, a location and a size that allow the first region to be thermally activated with heat transmitted from a second region, the second region surrounding the first region and being heated by opposing heating elements, the first and second regions constituting a predetermined region, the entirety of which is to develop adhesion; and the step of thermally activating the adhesive layer throughout the predetermined region by thermally activating the heat-sensitive adhesive layer in the first region with heat transmitted from the second region, the heat being transmitted to the first region laterally through the heat-sensitive adhesive layer (1a), the dissipation of the heat in a depth direction of the heat-sensitive adhesive sheet being limited due to the existence of the heat insulating layer (1c). By this means, a sticking power is developed which is substantially equivalent to that obtained when all the heating elements facing the predetermined region are driven. This substantially equivalent sticking power is achieved with a driving energy which is less than a driving energy in a case where all the heating elements which face the predetermined region are driven.
    • 提供了一种用于热敏粘合片的热激活方法,其中粘合片具有粘合剂层,其可以通过驱动热敏头(11)的加热元件(10)的线性阵列产生的热而变得粘合, 。 该方法包括:通过预先选择性地驱动多个加热元件的步骤,其中多个加热元件中的至少一个要临时停止被驱动,并且以某种方式预先设定停止驱动该加热元件的步骤 其提供不被任何相对的加热元件加热的第一区域,允许第一区域由第二区域传递的热量被热活化的位置和尺寸,第二区域围绕第一区域并被相对的加热 加热元件,第一和第二区域构成预定区域,其全部是形成粘合; 以及通过从第二区域传递的热量热活化第一区域中的热敏粘合剂层而在整个预定区域热活化粘合剂层的步骤,热量通过热敏粘合剂层横向传递到第一区域 (1a)中,由于存在隔热层(1c),热敏粘合片的深度方向的热耗散受到限制。 通过这种方式,开发出基本上等效于当驱动面向预定区域的所有加热元件时获得的粘附力。 这种基本上相当的粘着力是在驱动面对预定区域的所有加热元件的情况下的驱动能量小于驱动能量来实现的。