首页> 外国专利> Method for manufacturing a printed circuit board with a thin film capacitor embedded therein having a dielectric film by using laser lift-off, and printed circuit board with a thin film capacitor embedded therein manufactured thereby

Method for manufacturing a printed circuit board with a thin film capacitor embedded therein having a dielectric film by using laser lift-off, and printed circuit board with a thin film capacitor embedded therein manufactured thereby

机译:通过使用激光剥离来制造具有电介质膜的嵌入有薄膜电容器的印刷电路板的制造方法以及由此制造的具有嵌入的薄膜电容器的印刷电路板

摘要

A method for manufacturing a printed circuit board with a capacitor embedded therein which has a dielectric film using laser lift off, and a capacitor manufactured thereby. In the method, a dielectric film is formed on a transparent substrate and heat-treated. A first conductive layer is formed on the heat-treated dielectric film. A laser beam is irradiated onto a stack formed, from below the transparent substrate, to separate the transparent substrate from the stack. After the transparent substrate is separated from the stack, a second conductive layer is formed with a predetermined pattern on the dielectric film. Also, an insulating layer and a third conductive layer are formed on the first and second conductive layers to alternate with each other in a predetermined number.
机译:一种用于制造其中嵌入有电容器的印刷电路板的方法,以及利用该电容器制造的电容器,所述印刷电路板具有嵌入其中的电容器,所述电容器具有利用激光剥离的电介质膜。在该方法中,在透明基板上形成介电膜并进行热处理。在热处理的介电膜上形成第一导电层。从透明基板的下方将激光束照射到形成的堆叠体上,以使透明基板与堆叠体分离。在透明基板与堆叠体分离之后,在介电膜上形成具有预定图案的第二导电层。另外,绝缘层和第三导电层形成在第一导电层和第二导电层上,以预定数目彼此交替。

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