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All published articles 1996

Package and Process Design Augmentation of QFN Leadframe Device

Rennier S. Rodriguez, Maiden Grace R. Maming & Frederick Ray I. Gomez · Journal of Engineering Research and Reports · 2020

Innovations and breakthroughs either through process, equipment or material is known in semiconductor industries as a positive option in overcoming the existing limitations and assembly handicaps. This presentation discusses the assembly methodology and packaging design of a quad...

Open access Research Article 10.9734/jerr/2019/v9i417026

Spruce Woodmeal for Newsprint Applications: A Handsheet Study

Klaus Dölle & Sandro Zier · Journal of Engineering Research and Reports · 2020

This study shows that spruce woodmeal can be an alternative cellulosic-based wood additive               for newsprint applications. This study used unbleached wood flour produced from Spruce  sawdust, ground and sieved to a particle size of 20-40 µm, 40-70 µm, 70-120 µm and 200-...

Open access Research Article 10.9734/jerr/2020/v10i117027

Application of Cationic Tapioca to Unmodified Pearl Corn Starch – A Papermaking Handsheet Study

Klaus Dölle, Emily Parsons & Jacob Konecny · Journal of Engineering Research and Reports · 2020

An handsheet study was performed to compare the application of unmodified pearl corn starch and cationic tapioca starch on 100% recycled paperboard. To analyze the benefits tensile index, Canadian Standard Freeness, and starch retention was measured. The results found that cation...

Open access Research Article 10.9734/jerr/2019/v9i417024

Performance Evaluation of a Refrigeration System for Fresh Maize Storage

O. O. Caleb, N. G. Olaiya & M. A. Akintunde · Journal of Engineering Research and Reports · 2020

Aims: In this research project, a refrigeration system that will preserve the quality of fresh maize was developed. Study Design:  Design of refrigeration system. Place and Duration of Study: Department of Industrial and Production Engineering, Federal University of Technology, A...

Open access Research Article 10.9734/jerr/2019/v9i417025

Robust Control for a 3DOF Articulated Robotic Manipulator Joint Torque under Uncertainties

Chukwudi Emmanuel Agbaraji, Uchenna Henrietta Udeani, Hyacinth Chibueze Inyiama & Christiana Chikodi Okezie · Journal of Engineering Research and Reports · 2020

This research work emphasizes on design of a robust control for a 3DOF robotic manipulator under uncertainties. The plant model was achieved using the independent joint method and the uncertainty problem was addressed by designing a robust controller using H-Infinity synthesis wh...

Open access Research Article 10.9734/jerr/2019/v9i417022

Wirebond Process Improvement with Enhanced Stand-off Bias Wire Clamp and Top Plate

Jonathan C. Pulido, Frederick Ray I. Gomez & Edwin M. Graycochea Jr. · Journal of Engineering Research and Reports · 2020

New design for a certain issue in semiconductor industry is another way to modify the standard configuration into specified limit or to make a possible solution of the problem.  This paper presents a new modified design for wirebond top plate with a bias platform structure that w...

Open access Research Article 10.9734/jerr/2019/v9i317021

Validation of Calculated Pressure Drop Using Experimental Data with Standard Methods of an Existing Software

Chris M. Wambua, Ogbonna F. Joel, Sunday S. Ikiensikimama & Daniel O. Oyoo · Journal of Engineering Research and Reports · 2020

The aim of this research was to determine the pressure drop along a 450 km long multiproduct pipeline. Empirical formulae and quantitative methods were applied in order to establish pressure drop as an operating parameter. Flow rates used were obtained from the daily operation re...

Open access Research Article 10.9734/jerr/2019/v9i317020

Evaluation the Software Tools Quality to Thesaurus in the Implementation of a Controlled Media Art Vocabulary

Miguel Angel Marzal, Beatriz Ríos & Diego Ferreyra · Journal of Engineering Research and Reports · 2020

In this project, he develops the evaluation of seven thesaurus software tools, in the implementation of a controlled vocabulary, for the CAAC (Collections and Archives of Contemporary Art of the Faculty of Fine Arts of Cuenca, UCLM) in collaboration with UC3M; framed in the "Medi...

Open access Research Article 10.9734/jerr/2019/v9i317019

Hybrid-modelling of Mechanical Properties and Thermo-mechanical Behaviour of Chopped Strand Mat Reinforced Thermoset Composites

Cornelius Ogbodo Anayo Agbo · Journal of Engineering Research and Reports · 2020

The concern of this paper is to develop simple workshop application models for predicting the mechanical properties and the evaluation of the thermo-mechanical behaviour of chopped strand fibre-mat reinforced thermoset composites. A hybrid of empirical and strength of materials a...

Open access Research Article 10.9734/jerr/2019/v9i317015

Incorporating Package Grinding Process for QFN Thin Device Manufacturing

Rennier S. Rodriguez & Frederick Ray I. Gomez · Journal of Engineering Research and Reports · 2020

Package thinning, down-scaling, and miniaturization are common interests among semiconductor industries, with each manufacturing site having different approach and technical directions in providing novelties in their products. The paper offers an innovative design of manufacturin...

Open access Research Article 10.9734/jerr/2019/v9i217014

Punching Strengthening of Concrete Slab-column Connections Using Near Surface Mounted (NSM) Carbon Fiber Reinforced Polymer (CFRP) Bars

Ahmed H. Abdel-Kareem · Journal of Engineering Research and Reports · 2020

This paper investigates experimentally the effect of near surface mounted (NSM) carbon fiber reinforcement polymer (CFRP) bars as externally strengthening on the punching shear behavior of interior slab-column connections. Many researchers used NSM as a novel strengthening techni...

Open access Research Article 10.9734/jerr/2019/v9i217013

A Review: Date Palm Irrigation Methods and Water Resources in the Kingdom of Saudi Arabia

Ahmed Elfeky & Jamal Elfaki · Journal of Engineering Research and Reports · 2019

Date palm (Phoenix dactylifera L.), from Saudi Arabia, is a main tree particularly at arid areas. It plays an essential role in both food and food security. 75% of date production worldwide (approx. 5,096.99 tones) were come from Arab countries. Reduction of water opposite the in...

Open access Research Article 10.9734/jerr/2019/v9i217012

Simulation of Black Carbon Emissions from Gas Flaring Activities in the Niger Delta Region, Nigeria

C. E. Ezeokoro, Y. Momoh & T. Leton · Journal of Engineering Research and Reports · 2019

There is no Black Carbon emission inventory for Nigeria and no standard Emission factor with which to measure the volume of emissions. This study aims at providing baseline emission inventory for the volume of Black Carbon released into the environment from gas flaring activities...

Open access Research Article 10.9734/jerr/2019/v9i217011