This paper presents an advanced design of Quad-Flat No-leads (QFN) and Quad-Flat Package (QFP) leadframe to mitigate the propagation of delamination between high stress level areas particularly the mold-to-leads interface. The integration of through-hole mechanism on leadframe pr...
Open access
Research Article10.9734/jerr/2020/v14i317124
The study carried out simulation of the Crude Distillation Unit (CDU) of the New Port Harcourt Refinery (NPHR) and performed exergy analysis of the Refinery. The Crude Distillation Unit (CDU) of the New Port Harcourt refinery was simulated using HYSYS (2006.5). The Atmospheric Di...
Open access
Research Article10.9734/jerr/2020/v14i317123
The research evaluates the drivers toward positioning Nigerian construction industry for global competitiveness in the 21st century. Being a survey research, questionnaires containing information relating to issues and drivers on global competitiveness were administered to select...
Open access
Research Article10.9734/jerr/2020/v14i217120
The paper presents a practical procedure in selecting the best candidate for die attach epoxy control or anti-epoxy bleed-out (anti-EBO) concentration during the introduction of new leadframe configuration. Three different criteria were implemented to measure the relative impact...
Open access
Research Article10.9734/jerr/2020/v14i217121
Iranian native architects created many innovations at different levels of altitude in the past, using various sources and natural clean energies in order to create natural adaptation in different climate climates. Garden Pit and Shawadan are among examples. These underground elem...
Open access
Research Article10.9734/jerr/2020/v14i217122
The paper focused on the evaluation of quad-flat no-leads (QFN) semiconductor package with small silicon die on different machine platforms to achieve a higher bond line thickness (BLT) of greater than 30 µm. The characterization or evaluation was narrowed down into two main dieb...
Open access
Research Article10.9734/jerr/2020/v14i217119
Every All-Terrain vehicle right now uses independent suspension system which consists of double wishbones connected to all the tires. As All-Terrain vehicles generally operated on different road conditions it is an absolute necessity to have a robust design of wish bones. A good...
Open access
Research Article10.9734/jerr/2020/v14i217118
This paper represents an attempt to study mining methods and development in the area of underground mining in Sukari gold mine. Detailed mining and rock mechanics data had been collected from Sukari gold mine to select the appropriate mining method for underground area. Undergrou...
Open access
Research Article10.9734/jerr/2020/v14i117117
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 Article10.9734/jerr/2020/v14i117116
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 Article10.9734/jerr/2020/v14i117112