... improved measurements and suggestions for manufacturing good conductive copper lines of printed circuit board. Design/methodology/approach To practically investigates the modified model of conductor roughness, three different kinds of alternate oxidation treatments were used to provide transmission...

...Denglin Fu; Yanan Wen; Jida Chen; Lansi Lu; Ting Yan; Chaohui Liao; Wei He; Shijin Chen; Lizhao Sheng Purpose The purpose of this paper is to study an electrolytic etching method to prepare fine lines on printed circuit board (PCB). And the influence of organics on the side corrosion protection...

... surfaces. The measurement of printed circuit board prototypes demonstrates that the inclusion of split-ring array as EBG surface increases the quality factor by 90 per cent over standard fractal inductor of the same dimensions with a small degradation in inductance value and is capable of operating up...

...Hongyan Shi; Xiaoke Lin; Qiuxin Yan; JiaNan Zhang Purpose The purpose of this paper is to study and obtain the influence of resin and filler properties of printed circuit board (PCB) on the drilling force during micro drilling. Design/methodology/approach Experiments were carried out to study...

...Cuiming Du; Yanxia Xing; Liangpeng Hao; Peng Hu; Songgang Chai Purpose This paper aims to investigate and document the effects of copper-clad laminate (CCL) inorganic filler on the hole performance in printed circuit boards drilling process. Design/methodology/approach Drilling of brittle...

...Hongyan Shi; Xiaoke Lin; Qiuxin Yan; Xiong Liang Purpose The purpose of this paper was to study the influence of properties of printed circuit boards (PCBs) on the temperature during micro drilling and obtain the influential mechanism of PCBs based on temperature measurement. Design/methodology...

... of more complex systems with integrated printed circuit boards. It was also noticed that the samples after 40 h in 100 or 130°C showed similar increase in resistance change, but when the test temperature was increased, a difference in resistance change became higher and was about 0.3 per cent...

...Yunfeng Li; Shengyang Li Purpose The purpose of this paper is to propose a defect detection method of bare printed circuit boards (PCB) with high accuracy. Design/methodology/approach First, bilateral filtering of the PCB image was performed in the uniform color space, and the copper-clad...

...Hongyan Shi; Xiaoke Lin; Yun Wang Purpose The purposes of this paper are to study the characterization of drill bit breakage in printed circuit board (PCB) drilling process based on high-speed video analysis and to provide an important reference for micro drill bit breakage prediction. Design...

...Wojciech Steplewski; Andrzej Dziedzic; Janusz Borecki; Tomasz Serzysko Purpose The purpose of this paper is to investigate the basic functional parameters of passive embedded components in printed circuit boards (PCBs) under environmental exposures such as thermal-humidity and thermal exposure...

...Hu Zhou; Bin Yu; Ning Li; Jie Zhou; Xiaoyang Luo; Jialin Tang; Xianzhi Qin Purpose This paper aims to provide a new drilling entry board for printed circuit board (PCB) process, superior in heat dissipation, lubrication, water solubility and hole location accuracy, achieving an excellent drilling...

...Thomas D.A. Jones; David Flynn; Marc P.Y. Desmulliez; Dennis Price; Matthew Beadel; Nadia Strusevich; Mayur Patel; Chris Bailey; Suzanne Costello Purpose This study aims to understand the influence of megasonic (MS)-assisted agitation on printed circuit boards (PCBs) electroplated using copper (Cu...

...Hongyan Shi; Qiuxin Yan; Shengzhi Chen Purpose The purpose of this paper is to study the movement characteristics of micro drill bit during entry period in printed circuit board (PCB) high-speed drilling and to present an effective method to conduct quantitative analysis of the wandering of drill...

...Hongyan Shi; Jiali Ning; Qiuxin Yan Purpose The purpose of this paper is to calibrate the surface emissivity of micro drill bit and to investigate the effect of different drilling parameters on the temperature of micro drill bit in printed circuit board (PCB) micro drilling process. Design...

...Linxian Ji; Chong Wang; Shouxu Wang; Kai Zhu; Wei He; Dingjun Xiao Purpose The uniformity of electrodeposition is the key to successful application of pattern plating because the quality of electrodeposited copper layer has a huge impact on the performance of printed circuit boards (PCBs...

... – The results presented in this paper can be very useful for low-temperature applications of thin-film resistors made on printed circuit boards. They suggest possibility of wide applications of these components in a wide temperature range. Andrzej Dziedzic can be contacted at: Andrzej.Dziedzic@pwr.edu.pl...

...Xiong Liang; Bing Li; Lianyu Fu; Xiaoyu Wu; Hongyan Shi; Taijiang Peng; Bin Xu Purpose – This paper aims to present the main factors affecting the mechanical drilling of the printed circuit board (PCB for short) micro-holes and method of micro-ultrasonic powder molding (micro-UPM for short...

... in a limited area; thus, the manufacturing of printed circuit boards (PCBs) is becoming extremely difficult, especially the manufacturing of micro-holes, which has become one of the main technical bottlenecks to continued progress (Chen et al., 2013). There are two methods (mechanical drilling...

... as capacitors in electronic devices, and the values are comparable to the requirements of IPC4101A/24IPC; hence, they are suitable for the application as printed circuit board (PCB) laminate. Social implications – The use of biomaterial waste in the production of polyurethane will bring down...

... patterns that are applicable to liquid metal printer are similar to the conventional printed circuit board (PCB) designing strategies. The procedure of applying liquid metal printer for printing the circuits is entirely automatic, cost-effective and highly time-saving, which allows the user to print out...