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Glass Fiber Reinforced Polycarbonate Composites for Laser Direct Structuring and Electroless Copper Plating
Polymer Engineering and Science ( IF 3.2 ) Pub Date : 2020-02-26 , DOI: 10.1002/pen.25345
Zhixing Yu 1 , James H. Wang 1 , Yingcheng Li 1 , Yu Bai 1
Affiliation  

Glass fiber (GF) reinforced polycarbonate (PC) composites were prepared for laser direct structuring (LDS) applications. A small amount of styrene–maleic anhydride (SMA) was introduced to enhance GF/PC interfacial interactions. The PC/SMA/GF LDS composites using metal complex as LDS additive were investigated for applicability in copper circuit development. Rough surface patterns by laser irradiation under different laser parameters were measured by microscopy and Fourier infrared spectrometry. Copper particles and plating layer by subsequent electroless copper plating procedure was observed using microscopy. Thickness of plating layer and adhesion between layer and matrix were also evaluated. The results showed that laser repetition and scanning speed led to different resolutions and ablated surfaces without structural changes of composites. Copper particles gradually deposited, grew, and interconnected during metallization procedure. Plating layer was successfully formed at an optimum LDS additive loading, and appropriate scanning speed and repetition of laser. In addition, the plating layer displayed disparate thickness and distribution, owing to different activated surfaces by irradiation. Severe ablation or unetched parallel regions resulted in leaky or discontinuous plating layer. Better plating microstructure and higher adhesion were obtained for the composite material with 1.0 wt% LDS additive loading, supporting its extensive development and practical application in LDS technology. POLYM. ENG. SCI., 60:860–871, 2020. © 2020 Society of Plastics Engineers

中文翻译:

激光直接成型和化学镀铜的玻璃纤维增​​强聚碳酸酯复合材料

玻璃纤维(GF)增强的聚碳酸酯(PC)复合材料被制备用于激光直接成型(LDS)应用。引入了少量的苯乙烯-马来酸酐(SMA)以增强GF / PC的界面相互作用。研究了使用金属配合物作为LDS添加剂的PC / SMA / GF LDS复合材料在铜电路开发中的适用性。通过显微镜和傅立叶红外光谱法测量了在不同激光参数下通过激光辐照的粗糙表面图案。使用显微镜观察通过随后的化学镀铜步骤的铜颗粒和镀层。还评估了镀层的厚度以及层与基体之间的附着力。结果表明,激光重复和扫描速度导致不同的分辨率和烧蚀的表面,而没有复合材料的结构变化。在金属化过程中,铜颗粒逐渐沉积,生长并相互连接。在最佳的LDS添加剂负载,适当的扫描速度和激光重复下成功地形成了镀层。另外,由于通过辐射的不同活化表面,镀层表现出不同的厚度和分布。严重烧蚀或未蚀刻的平行区域导致渗漏或不连续的镀层。具有1.0 wt%LDS添加剂负载量的复合材料获得了更好的镀层微观结构和更高的附着力,支持了其在LDS技术中的广泛开发和实际应用。POLYM。ENG。SCI。,60:860–871,2020.©2020塑料工程师协会 在最佳的LDS添加剂负载,适当的扫描速度和激光重复下成功地形成了镀层。另外,由于通过辐射的不同活化表面,镀层表现出不同的厚度和分布。严重烧蚀或未蚀刻的平行区域导致渗漏或不连续的镀层。具有1.0 wt%LDS添加剂负载量的复合材料获得了更好的镀层微观结构和更高的附着力,支持了其在LDS技术中的广泛开发和实际应用。POLYM。ENG。SCI。,60:860–871,2020.©2020塑料工程师协会 在最佳的LDS添加剂负载,适当的扫描速度和激光重复下成功地形成了镀层。另外,由于通过辐射的不同活化表面,镀层表现出不同的厚度和分布。严重烧蚀或未蚀刻的平行区域导致渗漏或不连续的镀层。具有1.0 wt%LDS添加剂负载量的复合材料获得了更好的镀层微观结构和更高的附着力,支持了其在LDS技术中的广泛开发和实际应用。POLYM。ENG。SCI。,60:860–871,2020.©2020塑料工程师协会 由于被辐射激活的表面不同。严重烧蚀或未蚀刻的平行区域导致渗漏或不连续的镀层。具有1.0 wt%LDS添加剂负载量的复合材料获得了更好的镀层微观结构和更高的附着力,这支持了其在LDS技术中的广泛发展和实际应用。POLYM。ENG。SCI。,60:860–871,2020.©2020塑料工程师协会 由于被辐射激活的表面不同。严重烧蚀或未蚀刻的平行区域导致渗漏或不连续的镀层。具有1.0 wt%LDS添加剂负载量的复合材料获得了更好的镀层微观结构和更高的附着力,这支持了其在LDS技术中的广泛发展和实际应用。POLYM。ENG。SCI。,60:860–871,2020.©2020塑料工程师协会
更新日期:2020-02-26
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