Semiconductor manufacturing

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  • (BQ) Part 2 book "Handbook of production scheduling" has contents: Coordination issues in supply chain planning and scheduling, semiconductor manufacturing scheduling and dispatching, the slab design problem in the steel industry,... and other contents.

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  • Generally speaking, scheduling is the procedure of mapping a set of tasks or jobs (studied objects) to a set of target resources efficiently. It is an important tool in manufacturing and engineering, where it can have a major impact on the productivity of a process. More specifically, as a part of a larger planning and scheduling process, production scheduling is essential for the proper functioning of a manufacturing enterprise. Its primary goal is to maximize throughput and optimize resource utilization, while at the same time minimizing operating costs.

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  • New knowledge and tools are constantly expanding the range of applications for semiconductor devices, integrated circuits, and electronic packages.

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  • Application: • Machine tools and Robotics • Inspection equipment • Aerospace and Aviation • Medical imaging ( MRI, x-ray imaging ) • Semiconductor manufacturing • Surveying and Telescopes

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  • For example, a few years ago, I was the Development Tools Marketing Manager for a semiconductor manufacturer. I was speaking with the Software Development Tools Manager at our major account. My job was to help convince the customer that they should be using our RISC processor in their laser printers. Since I owned the tool chain issues, I had to address his specific issues before we could convince him that we had the appropriate support for his design team.

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  • Electrical consumption, especially direct or variable frequency currents, has strongly increased over 50 years in industry. This situation explains the growth of power electronics. At the beginning, when rectifiers replaced DC machines, only diodes and thyristors were used. Then power transistors appeared and enabled the extension of smaller power applications for domestic use. New research topics were developed around converters and power devices.

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  • Module manufacture In accordance with the normal semiconductor manufacturing procedure, the microchip is produced on a so-called wafer. This is a slice of silicon, which may be 6 inches in diameter, upon which several hundred microchips are produced simultaneously by repeated doping, exposure, etching and washing of the surface. In the next stage of production, the microchips on the wafer are contacted using metal points and then each of the chips is individually tested for functionality.

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  • To provide an overview for manufacturing systems students of the steps and processes required to make intergrated circuits from blank silicon wafers.

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  • New knowledge and tools are constantly expanding the range of applications for semiconductor devices, integrated circuits, and electronic packages. The solid-state computing, telecommunications, aerospace, automotive and consumer electronics industries all rely heavily on the quality of these methods and processes. In each of these industries, dramatic changes are underway. In addition to increased performance, next-generation computing is increasingly being performed by portable, hand-held computers. A...

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  • Dry andwet etching techniques based onsiliconand other semiconductor technologies are well known. For many metals, etching is a relatively cheap and well-established technique to obtain freeform structures with dimensions in the submillimeter range. This technique iswelldescribedinthe literature[1–5,7].Aphotosensitivepolymermask material is applied on themetal to be etched. Themask is exposed to light via a primary maskwithstructural layers.Here,different technologiesare applicable, andtheirdetails canbefoundintheliteratureonsemiconductorprocessingor inRefs[1–3].

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  • The 555 timer is one of the most useful electronic devices in the market. The 555 timer was first introduced by Signetics but today it is manufactured by nearly all semiconductor firms. The cost of this device is low and it is widely available. The 555 timer has lots of uses such as: Mark Space Adjustment, Pulse Width Modulation and Inductive Current Detection just to name a few. The 555 has some unique advantages and capabilities, such as: low-cost, high operating voltage (5-15V) range, it is high powered and at the same time able to be triggered by small currents.

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  • Danaher Motion’s wide range of motion control systems and components offer customers an unprecedented choice in selecting the right solution for their particular application requirements. Our product innovations have been improving the efficiency and productivity of complex manufacturing operations for over 60 years through trusted brand names such as Dover, Kollmorgen, Pacific Scientific, Portescap and Thomson in industries as diverse as semiconductor, aerospace and defence, mobile-off-highway, packaging, medical and robotics....

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  • In a field-effect transistor (FET), the width of a conducting channel in a semiconductor and, therefore, its current-carrying capability, is varied by the application of an electric field (thus, the name field-effect transistor). As such, a FET is a “voltage-controlled” device. The most widely used FETs are Metal-Oxide-Semiconductor FETs (or MOSFET). MOSFET can be manufactured as enhancement-type or depletion-type MOSFETs. Another type of FET is the Junction Field-Effect Transistors (JFET) which is not based on metal-oxide fabrication technique.

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  • Silicon Carbide (SiC) and its polytypes have been a part of human civilization for a long time; the technical interest of this hard and stable compound has been realized in 1885 and 1892 by Cowless and Acheson for grinding and cutting purpose, leading to its manufacture on a large scale. The fundamental physical limitations of Si operation at higher temperature and power are the strongest motivations for switching to wide bandgap (WBG) semiconductors such as SiC for these applications.

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  • Micromechanical photonics is evolvingin interdisciplinary research and engineering fields and merging independently developed technologies based on optics, mechanics, electronics, and physical/chemical sciences. Manufacturing technologies such as those of semiconductor lasers, surface micromachining and bulk micromachiningare promotingtec hnology fusion.

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  • Water scarcity directly impacts business activities, raw material supply, intermediate supply chain, and product use in a variety of ways. Declines or disruptions in water supply can undermine industrial and manufacturing operations where water is needed for production, irrigation, material processing, cooling and/or washing and cleaning.

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  • Most manufacturing technologies for metallic microstructures have their roots either in semiconductor (inmost cases, silicon) device production or in conventional precision machining. Of these, the techniques that are well known have been used formicrostructure dimensions. Further, they have been adapted and improved to reach the desired precision and surface quality. In some rare cases, itwas possible to use the same manufacturing process for macroscale and microscale devices and to get the desired results.

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  • In 2006 Korean shipbuilding companies got new orders of 19,585,000 CGT, which was the highest number since 2000. Moreover in the first half of 2007 Korean shipbuilders have received 51.3% more orders than that of a year ago. Strong demand for new vessels was expected to continue for the next few years at least, due to expanding world-wide seaborne trade, especially between China and USA, and increasing need of new ships to adapt new International Maritime Organization’s requirements.

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