Lead time is one of the major limits that affect planning at every stage of the supply chain system. In this paper, we study a continuous review inventory model. This paper investigates the ordering cost reductions are dependent on lead time. This study addressed two-echelon supply chain problem consisting of a single vendor and a single buyer. The main contribution of this study is that the in...

New developments and results in the area of process simulation are reviewed. These results have increased significantly our understanding of the underlying processes that govern integrated circuit (IC) fabrication techniques,

The short and long term reliability of National Semiconductor’s interface circuits, like any integrated circuit, is very dependent on its environmental condition. Beyond the mechanical/environmental factors, nothing has a greater influence on this reliability than the electrical and thermal stress seen by the integrated circuit. Both of these stress issues are specifically addressed on every in...

− There’re mainly two different situations for testing PLD (Programmable Logic Device) devices. One is testing of blank chips that haven’t been programmed; the other is testing of ASIC (Application Specific Integrated Circuit) devices that have been programmed. This paper presents a test method for programmed ASIC devices, including auto test and ATPG (Auto Test Pattern Generation) method for b...

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Taiwan’s integrated circuit (IC) industry development process can be separated into three stages: the initiation stage, consisting of obtaining technology and facilitating setup of domestic companies; the burgeoning stage, consisting of the formation of manufacturer’s R&D abilities; and the growth stage, consisting of further raising an industry’s international competitive levels. In each stage...

A prototype system, the Integrated Building Design Environment (IBDE), has been implemented to act as a testbed for a number of issues that arise from the need to integrate computer aids for the design and construction of buildings. The seven programs that comprise IBDE are briefly described. Issues such as knowledge representation, data organization, intercommunication, implementation and cont...

Large quantities of radiopharmaceuticals prescribed for treatment and diagnosis are excreted through kidney. Therefore, radiation unwanted dose is created in kidney. As a result, exact calculation of prescribed radiopharmaceuticals amount is important. Monte Carlo method is used for simulation of radiation transport in body due to random nature of radiation. In this research, for the first time...

The end of the 19 century brought about a change in the dynamics of computing by the development of the microprocessor. Huge bedroom size computers began being replaced by portable, smaller sized desktops. Today the world is dominated by silicon, which has circumscribed chip development for computers through microprocessors. Majority of the integrated circuits that are manufactured at present a...