The paper is focused on the glue voids reduction of quad-flat no-leads (QFN) devices evaluated on different die attach machine platforms. The evaluation was narrowed-down into two main die attach machines with the objective of attaining the best performance in terms of reducing o...
Open access
Research Article10.9734/jerr/2020/v15i317144
Understanding the dynamics, patterns, and probabilities associated with the correlates of crime is a promising way to managing crime. In this study, a multinomial logistic regression was used to predict the propensity of individuals for committing particular crimes. The secondary...
Open access
Research Article10.9734/jerr/2020/v15i317145
The evolution of smart technologies makes end users to choose portable, cost-effective and reliable devices for their daily life usage. The optimum service and superior quality of any such devices are always remain the centers of attraction for any customer. The advent of new tec...
Open access
Research Article10.9734/jerr/2020/v15i217142
As science and technology develop quickly, suitable measurement system is becoming more achievable. In dynamics of structures, measuring vibrations take a serious view during the process of design and construction to avoid resonance. The main objective of this study is to establi...
Open access
Research Article10.9734/jerr/2020/v15i217143
In this paper a new study to detect fetal heart rate (F H R) online from abdominal electrocardiogram (ECG) signal, which are extracted by three different algorithms of independent component analysis ICA (AMUSE, EVD2 and SOBI) is presented. Four stages for fetal electrocardiogram...
Open access
Research Article10.9734/jerr/2020/v15i217140
Vehicle detection, tracking, and counting play a significant role in traffic surveillance and are principle applications of the Intelligent Transport System (ITS). Traffic congestion and accidents can be prevented with an adequate solution to problems. In this paper, we implement...
Open access
Research Article10.9734/jerr/2020/v15i217141
In designing filters and antenna feeds at microwave frequency, the energy density and stop bands are of vital importance. To this development, this work is set out to determine the transmission coefficients behavior of substrates along with their energy density for a microstrip s...
Open access
Research Article10.9734/jerr/2020/v15i217139
With the continuous trend of new technologies in semiconductor manufacturing assembly, challenges and issues are unavoidable. This paper presents an improvement done in quad-flat no-leads (QFN) leadframe package to resolve the quantity of unit rejection due to leads scratch under...
Open access
Research Article10.9734/jerr/2020/v15i117136
To optimize the extrusion conditions of locally developed single screw floating fish feed extruder. A factorial experiment in completely randomized design was employed to study the effect of extrusion variables: feed moisture content (20, 30, and 40% wet basis), screw speed (158....
Open access
Research Article10.9734/jerr/2020/v15i117137
Electrical resistivity is one of the important particle–based factors influencing the performance of an Electrostatic Precipitator (ESP), a particulate control device commonly employed in most cement industries in Nigeria. Therefore, this study investigated the electrical resisti...
Open access
Research Article10.9734/jerr/2020/v15i117138