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Design and Implementation of a Wireless Fluid Level Display System Using Ultrasonic Sensing Technique

Gesa F. Newton, Terwase I. Aondona & C. A. Chile · Journal of Engineering Research and Reports · 2020

The wireless fluid level indicator comprises a sensing and transmitting circuit for detecting and transmitting the levels of fluids from a container to the receiving circuit which receives and displays the amount of the measured volume. This has been achieved using an ultrasonic...

Open access Research Article 10.9734/jerr/2020/v14i117116

FEM Based Modal and Harmonic Response Study of Stepped Shaft Having Cracks and Optimize Using ANN Method

Asha Kumawat, K. B. Waghulde & Sanjay Kumawat · Journal of Engineering Research and Reports · 2020

In the present research study, modal and harmonic response analysis is performed for a stepped shaft made of SS-304 material using the FEM simulation technique. In the present study crack effect is also considered to find the role of cracks during modal analysis. Total six mode s...

Open access Research Article 10.9734/jerr/2020/v14i117112

Building Information Model (BIM) Implementation in Perspective of Kazakhstan: Opportunities and Barriers

Dayana Aitbayeva & Md. Aslam Hossain · Journal of Engineering Research and Reports · 2020

The construction industry is characterized by low productivity with low technological advances, minimum automation and computerization. Building Information Modeling (BIM) as a means of technological innovation, has the great potentials to improve productivity, decrease project c...

Open access Research Article 10.9734/jerr/2020/v14i117113

A Study of Dispense Needle for Die Attach Voids Mitigation

R. Rodriguez, B. C. Bacquian, F. R. Gomez & E. Graycochea Jr. · Journal of Engineering Research and Reports · 2020

The need of data storage devices and new technologies continues to grow with more robust and stable functioning capability. With that, improvement and utilization never stop for a seamless output. One device that is currently on new product introduction is a quad-flat no-leads (Q...

Open access Research Article 10.9734/jerr/2020/v14i117114

Behaviour of RC Moment Resisting Regular and Irregular Framed Structures Situated Near and Far to Fault Zone

K. J. Harshitha, R. Sunil & Avinash Gornale · Journal of Engineering Research and Reports · 2020

Near fault earthquake record are rich in high frequencies that effects structures for far fault earthquake record lower frequencies is not effects highly in structure. The objective of the study is to be investigating the effect of near-fault and far fault earthquake motion on th...

Open access Research Article 10.9734/jerr/2020/v12i417087

A Study of Micro-crack on Surface Mount IC Package

Antonio Sumagpang Jr., Frederick Ray Gomez & Edwin Graycochea Jr. · Journal of Engineering Research and Reports · 2020

In integrated circuit (IC) manufacturing industry, package micro-crack and other crack-related flaws are common defect frequently encountered in trim and form process of a surface mount IC package. This paper focused on the prevention of the micro-crack occurrence as it affected...

Open access Research Article 10.9734/jerr/2020/v12i417086

Specialized Wirebond Process Configuration on Advanced Multi-Die Package

Anthony R. Moreno, Edwin M. Graycochea Jr. & Frederick Ray I. Gomez · Journal of Engineering Research and Reports · 2020

Wirebonding process is one important assembly process responsible for providing electrical connections between the silicon die and the external leads of a semiconductor package or device. The process also brings along some challenges as the device becomes more complex and critica...

Open access Research Article 10.9734/jerr/2020/v12i417084

Environmental Impact of Open Burning of Municipal Solid Wastes Dumps in Parts of Jos Metropolis, Nigeria

R. E. Daffi, A. N. Chaimang & M. I. Alfa · Journal of Engineering Research and Reports · 2020

Refuse dumpsites are found scattered within and outside cities in Nigeria and the open burning of these dumps is a common practice mainly as a waste and odour reduction measure. Open incineration of wastes emits dangerous gases into the atmosphere. The environmental and public he...

Open access Research Article 10.9734/jerr/2020/v12i317083

Wafer Saw Process Optimization for Die Chipping Mitigation on Extremely Small Leadframe Package

A. Sumagpang Jr., F. R. Gomez & B. C. Bacquian · Journal of Engineering Research and Reports · 2020

The paper focused in addressing the silicon die chippings defect at the wafer sawing process of an extremely small semiconductor package. In-depth potential risk analysis and Pareto diagram were done to identify the top reject contributors and eventually resolve the issue. A comp...

Open access Research Article 10.9734/jerr/2020/v12i317082

Numerical Modeling of Biological Oxygen Demand (BOD5) Load in Apa Mmini Stream

Ogbebor Daniel, Nwaogazie L. Ify, Momoh O. L. Yusuf & Ndekwu B. Onyedikachukwu · Journal of Engineering Research and Reports · 2020

Aim: The study aimed at utilizing finite element modeling approach for extrapolation of BOD5 along the longitudinal length of the stream. Study Design: The linear element method was used for analyzing the Biological Oxygen Demand (BOD) transport along the longitudinal length of t...

Open access Research Article 10.9734/jerr/2020/v12i317081

Tool Setup Improvement for Package Scratch Mitigation at End-of-Line Process

A. Sumagpang Jr., F. R. Gomez & R. Rodriguez · Journal of Engineering Research and Reports · 2020

With new and continuous semiconductor technology trends, challenges in assembly manufacturing are inevitable. This paper focused on the elimination of assembly defects particularly package chip-out and scratch at the singulation end-of-line (EOL) process of a semiconductor device...

Open access Research Article 10.9734/jerr/2020/v12i317079

Evaluation of the Corrosion Inhibitive Properties of Three Different Leave Extracts on Mild Steel Iron in Sulphuric Acid Solution

Gabriel N. Chukwueze, Christian O. Asadu, Chijioke E. Onu & Innocent S. Ike · Journal of Engineering Research and Reports · 2020

The inhibitive ability of pawpaw, neem and curry leaf extracts on corrosion of mild steel in sulfuric acid solution were investigated in this work. The extracts obtained from their respective leaves, were characterized to determine their phytochemical constituents as well as func...

Open access Research Article 10.9734/jerr/2020/v12i317080