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ELECTRODEPOSITED COPPER FOIL, METHOD OF INSPECTING PHYSICAL PROPERTIES THEREOF, AND COPPER-CLAD LAMINATE EMPLOYING THE ELECTRODEPOSITED COPPER FOIL
ELECTRODEPOSITED COPPER FOIL, METHOD OF INSPECTING PHYSICAL PROPERTIES THEREOF, AND COPPER-CLAD LAMINATE EMPLOYING THE ELECTRODEPOSITED COPPER FOIL
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机译:电沉积铜箔,检测其物理性能的方法以及使用电沉积铜箔的覆铜箔层压板
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摘要
THE PRESENT INVENTION PROVIDES AN ELECTRODEPOSITED COPPER FOIL WHICH SOLVES PROBLEMS OF ELECTRODEPOSITED-COOPER CLAD LAMINATES TO WHICH THE FOIL HAS BEEN INCORPORATED, SUCH ASA BOW, TWIST, AND POOR DIMENSIONAL STABILITY, AND A METHOD OF INSPECTING AN ELECTRODEPOSITED COPPER FOIL SO AS TO ASSURE THE QUALITY OF THE FOIL. IN THE INVENTION, THERE IS EMPLOYED AN ELECTRODEPOSITED COOPER FOIL WHICH RECRYSTALLIZES BY HEATING AT LOW TEMPERATURE DURING PRODUCTION OF A COOPER-CLAD LAMINATE EMPLOYING AN ELECTRODEPOSITED COOPER FOIL AND WHICH EXHIBITS AN ELONGATION AS HIGH AS 18% OR MORE IN AN ATMOSPHERE OF 180°C, WHEREIN THE MAXIMUM RATE OF DECREASE IN MAXIMUM TENSILE STRENGTH FALLS WITHIN THE AGING TIME RANGING FROM 5 TO 10 MINUTES IN A PROCESS IN WHICH TENSILE STRENGTHDECREASES AS TIME ELAPSES DURING AGING IN AN ATMOSPHERE AT 170°C, AND THE CHANGE IN TENSILE STRENGTH IN A KNICK PORTION SHOWN IN A TENSILE STRENGTH VS. AGING TIME CURVE WHICH IS DRAWN IN AN X-Y PLANE AND WHICH HAS A KNICK PORTION IS 3 KG/MM² OR MORE, THE X-AXIS REPRESENTING AGING TIME AND THE Y-AXIS REPRESENTING TENSILE STRENGTH.(FIG 5)
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机译:本发明提供了一种电沉积铜箔,其解决了电沉积铜覆层的问题,从而使箔的合并,弯曲,扭曲和尺寸稳定性差,并为此提供了一种合理的方法箔的质量。在本发明中,采用一种电沉积的铜箔,该铜箔通过在生产铜覆层层压板的过程中在较低的温度下进行加热而重新结晶,该铜箔层压板的电沉积铜箔的翘曲度至少为18%。 ,其中,在170°C的大气中老化时,随着时间的推移,最大拉伸强度下降的最大速率在5到10分钟的老化过程中变化,而在这种过程中,拉伸强度随着时间的推移而发生了下降, KNICK部分显示为<拉伸强度>与。 <老化时间>在X-Y平面上绘制且弯曲部分为3 KG /MM²或更高的曲线,X轴表示老化时间,而Y轴表示拉伸强度(图5)。
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