Read Books Online and Download eBooks, EPub, PDF, Mobi, Kindle, Text Full Free.
Improving Operational Efficiency Of A Semiconductor Equipment Manufacturing Warehouse Through Strategic Allocation Of Parts
Download Improving Operational Efficiency Of A Semiconductor Equipment Manufacturing Warehouse Through Strategic Allocation Of Parts full books in PDF, epub, and Kindle. Read online Improving Operational Efficiency Of A Semiconductor Equipment Manufacturing Warehouse Through Strategic Allocation Of Parts ebook anywhere anytime directly on your device. Fast Download speed and no annoying ads. We cannot guarantee that every ebooks is available!
Book Synopsis Improving Operational Efficiency of a Semiconductor Equipment Manufacturing Warehouse Through Strategic Allocation of Parts by : Paramveer Singh Toor
Download or read book Improving Operational Efficiency of a Semiconductor Equipment Manufacturing Warehouse Through Strategic Allocation of Parts written by Paramveer Singh Toor and published by . This book was released on 2015 with total page 75 pages. Available in PDF, EPUB and Kindle. Book excerpt: .
Book Synopsis Improving Operational Efficiency of a Semiconductor Equipment Manufacturing Warehouse Through Effective Utilization of Vertical Lift Modules by : Stephen Douglas Racca
Download or read book Improving Operational Efficiency of a Semiconductor Equipment Manufacturing Warehouse Through Effective Utilization of Vertical Lift Modules written by Stephen Douglas Racca and published by . This book was released on 2015 with total page 63 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis deals with improving the operational efficiency of automated part storage devices, in this case Vertical Lift Modules (VLM). This was accomplished by using dynamic slotting to maximize and maintain high material throughput, eliminating the need for periodic reslotting. Multiple VLMs can be used in parallel picking operations to improve material throughput. Common industry practice is to periodically reslot items once an unbalanced workload is obvious. This thesis investigates a method to avoid periodic reslotting by using incoming parts as a means to maintain a balanced workload amongst VLMs. Three different part allocation strategies are compared, namely Randomization, Snake and Order Grouping to determine their effectiveness and respective feasibility. The three strategies are then crafted into logical systems that could be used to strategically place received parts and eliminate the need for periodic reslotting. The Snake method was found to be the most well suited for this particular situation due to the small order sizes. This method provides a 35% savings in pick time, which is equivalent to approximately 733 hours annually.
Book Synopsis Improving and Maintaining the Operational Efficiency of a Semiconductor Equipment Manufacturing Warehouse by : Hui Ni Grace Fong
Download or read book Improving and Maintaining the Operational Efficiency of a Semiconductor Equipment Manufacturing Warehouse written by Hui Ni Grace Fong and published by . This book was released on 2015 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt: The present work addresses an operational inefficiency problem at a semiconductor equipment manufacturing warehouse, Varian Semiconductors Associates and Equipment (VSEA). This problem is important because if unresolved, the warehouse is unable to meet the part delivery time target of 24 hours during the busy period. The downstream effects of the late part delivery are delayed production schedules and in the worst case scenario, a missed shipment to the customer, which is very costly. In order to improve the efficiency of the warehouse so as to consistently deliver parts on time, the picking efficiency needs to be enhanced. Parts are primarily picked from two types of storage locations - GL shelves and Vertical Lift Modules (VLMs). The picking efficiency can be improved by the simultaneous reduction in workload on GL and improvement in the VLM picking efficiency. The first part of this thesis focuses on improving the picking inefficiency at the VLMs by employing a more efficient picking method. From our time study, we find that the pick-and-consolidate (parallel picking) is more efficient than pick-and-pass (sequential picking). The average makespan time savings per order by pick-and-consolidate is 8% (20 minutes). The second part of this paper discusses what is required to maintain a high VLM picking efficiency. New metrics to measure the workload distribution of the VLMs and the average flow time per order are proposed. Three dynamic slotting methods that maintain a balanced workload distribution across the VLMs without the need for periodic review are also examined. The methods are evaluated based on how balanced is the workload distribution across the VLMs and the cost of implementation.
Book Synopsis Operations Improvement in a Semiconductor Capital Equipment Manufacturing Plant by : Lohithaksha Chengappa
Download or read book Operations Improvement in a Semiconductor Capital Equipment Manufacturing Plant written by Lohithaksha Chengappa and published by . This book was released on 2012 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: A semiconductor capital equipment manufacturing plant is a high-mix low-volume manufacturing environment where the complex products produced requires skilled manual assembly and expensive raw materials. The semiconductor capital equipment industry is sporadic with high demand variability and hence, semiconductor capital equipment manufacturers must be able to allocate resources to meet demand at minimum cost to maintain their manufacturing competitiveness. This thesis draws heavily on the research done at Varian Semiconductor Equipment, a manufacturer of ion implantation machines for the semiconductor industry, over a period of seven months as part of the Master of Engineering in Manufacturing program at the Massachusetts Institute of Technology and aims to enable Varian to make optimal resource allocation, capacity planning and personnel decisions that will allow it to meet demand at minimum cost. The goal of this thesis is achieved through the development of three optimization models, a labor flexibility framework, and an inventory management policy. The first optimization model, resource optimization for cost minimization, will allow Varian to determine the optimal combination of workers and assembly bays for each production process that will allow it to meet demand at minimum cost. The second optimization model, labor cost minimization, will enable Varian to determine the optimal combination of regular time and overtime that will allow it to meet demand at minimum labor cost. The final model, labor flexibility, will allow Varian to determine the optimal movement of workers that will allow the Varian's plant to meet demand with the minimum total cost of work hours to be provided. The final model is based on a labor flexibility framework introduced in this thesis. We also present an inventory management policy to manage certain assemblies produced at Varian's supermarket build area that will allow Varian to reduce those assemblies' safety stock levels by 30%.
Book Synopsis Materials Lead Time Reduction in a Semiconductor Equipment Manufacturing Plant by : Obehi Ukpebor
Download or read book Materials Lead Time Reduction in a Semiconductor Equipment Manufacturing Plant written by Obehi Ukpebor and published by . This book was released on 2013 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt: The warehouse layout and operations of a semiconductor tool manufacturer were studied with the objective of reducing the lead time for parts ordered from the warehouse to 8 hours. Current order fulfillment operations were studied and interviews with involved personnel were conducted. Additionally, data was extracted and analyzed from the company's SAP Extended Warehouse Management database to analyze the past performance of the warehouse operations. Three main areas for improvements were analyzed and recommendations were made regarding each area. First, it is recommended that a kit of parts ordered should be sent immediately the constituent parts are consolidated and the kit is completed. This saves an average of 6 hours that parts in a complete kit wait for other kits to be completed before being sent out. Second, the picking aisles of the warehouse should be cleared so that parts in storage locations are easily accessed for picking and no time is wasted on clearing a path to pick a part. This leads to an average time saving of 1.2 hours per day on the time parts are delivered. Third, the receiving and sorting areas in the warehouse should be combined together. This frees up storage space for excess bulk material which block picking aisles. These recommendations are to be combined with other material flow improvements. It was determined that the goal of 8 hours lead time is unrealistic. However, calculations suggest that lead time will be reduced to 16 hours.
Book Synopsis Assembly Lead Time Reduction in a Semiconductor Capital Equipment Plant Through Improved Material Kitting by : Sonam Jain
Download or read book Assembly Lead Time Reduction in a Semiconductor Capital Equipment Plant Through Improved Material Kitting written by Sonam Jain and published by . This book was released on 2014 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: Manufacturing operations were studied at a semiconductor capital equipment manufacturing plant, with an aim to reduce the production time of their longest lead time module. Preliminary analysis was done by observing the assembly and test operations on the production floor, and material handling operations at the warehouse. Detailed time studies were then performed on the assembly and test processes, to establish baseline measurements and to gather in-depth information on the value added and non-value added activities. It was found that 18% of the assembly activities were non-value added activities, 28% of which were related to material handling on the production floor. Based on the analysis a new kit design and kitting process were developed, which enabled parts to arrive from the warehouse in kits specific to each assembly procedure performed on the module. A method of indicating shortages was also proposed. The new design and process also facilitated Just-in-Time ordering and arrival of parts. The new kitting process was piloted, and based on two trial runs it was found that it reduced material handling time on the production floor by 70% and overall time spent on non-value added assembly operations was reduced by 20%.
Book Synopsis Operational Improvement at a Mass Customization Semiconductor Equipment Manufacturing Facility Through Inventory Consolidation by : Yuwen Zhang (M. Eng.)
Download or read book Operational Improvement at a Mass Customization Semiconductor Equipment Manufacturing Facility Through Inventory Consolidation written by Yuwen Zhang (M. Eng.) and published by . This book was released on 2017 with total page 77 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis addresses the operational improvement at Varian Semiconductor Equipment and Associates (Varian), a subsidiary of Applied Materials (AMAT), through material shortage reduction. Varian manufactures highly customized implantation equipment. Sub-assemblies that form an implantation tool are manufactured in the supermarket at Varian. The company is currently trying to increase the on-time delivery of sub-assemblies from the supermarket. Around 40% of sub-assemblies are delivered late to the tool production flow line or to the AMAT global parts banks and customers. This project focused on the improvement of supermarket on-time delivery. Impact analysis was conducted to assess the significance of the late delivery to the overall operation at Varian. Root causes of late delivery were identified through extensive data collection and three proposals were created: re-evaluation of inventory bin sizes, consolidation of inventory storage and assignment of priority based on real-time capacity. The second approach was further divided into two directions. This thesis emphasizes on one of the two directions, addressing the storage space required in the warehouse for inventory consolidation and the new material picking process. Various issues associated with the implementation were considered and solutions were proposed. Material shortages can be reduced by 64%, while pick-to-short kits are reduced by 50%. Supplier on-time delivery issues and purchase order placement should be investigated to further decrease material shortages.
Book Synopsis First Pass Yield Analysis and Improvement at a Low Volume, High Mix Semiconductor Equipment Manufacturing Facility by : Shaswat Anand
Download or read book First Pass Yield Analysis and Improvement at a Low Volume, High Mix Semiconductor Equipment Manufacturing Facility written by Shaswat Anand and published by . This book was released on 2016 with total page 79 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Improve quality, you automatically improve productivity " - W. Edwards Deming Quality is the heart and soul of any manufacturing unit. Quality metric stagnation at a high mix semiconductor equipment manufacturing facility was the motivation for this project. An analysis was done to understand the working and importance of the quality metrics, First Pass Yield and Quality Notifications per Module, to understand the reasons for its stagnation over the past couple of years at the assembly plant. Also module specific study was done to understand the trends in the quality improvement and the improvements achieved on different modules assembled at the facility. As per scientific method, a hypotheses tree was laid out with a view to ascertain the reasons behind the plateauing of the quality metrics. Further these metrics were tested using data from the ERP software (SAP), other tailor made software packages and from discussions and interviews with assembly floor people and the manufacturing and quality engineers. As a result of this work shortages of critical parts was found out to be a crucial contributor to the quality issues arising on the shop floor because of the extra exposure time of the assemblies and building the assemblies out of procedure in such a case. Various alternative strategies are suggested to improve service levels along with the economical impact these strategies shall have. Finally, invaluable data collections suggestions are a part of this work which shall act as enablers in the continuous journey of quality improvement.
Book Synopsis Materials Lead Time Reduction in a Semiconductor Equipment Manufacturing Plant by : Ryan Surveski
Download or read book Materials Lead Time Reduction in a Semiconductor Equipment Manufacturing Plant written by Ryan Surveski and published by . This book was released on 2013 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: Process flow at a semiconductor tool manufacturer was studied with the goal of reducing production order lead time to 8 hours. Current material flow systems were studied and interviews with the involved personnel were conducted. Additionally, data was extracted and analyzed from the company's SAP Extended Warehouse Management database to analyze the past performance of the material flow group. Three areas for improvement were analyzed and recommendations were made regarding each area. First, it is recommended that an additional truck driver is hired and that a final delivery is made after the last warehouse worked stops working. This will reduce the time that parts wait for the truck to pick them up and eliminate any parts that wait overnight. Second, warehouse employees should start work earlier in the morning to complete sales picks; this will allow the rest of the workers to work on production orders in the morning, immediately after they are placed. Third, the tracking scans to put parts into and out of the consolidation areas should be removed. This will allow workers to preform the picking and consolidation steps faster. These recommendations are to be combined with other material flow improvements. It was determined that the goal of 8 hours lead time was unrealistic. However, calculations suggest that lead time will be reduced to 16 hours.
Book Synopsis Improving Reuse of Semiconductor Equipment Through Benchmarking, Standardization, and Automation by : Jacob Bradley Silber
Download or read book Improving Reuse of Semiconductor Equipment Through Benchmarking, Standardization, and Automation written by Jacob Bradley Silber and published by . This book was released on 2006 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 6D program at Intel® Corporation was set up to improve operations around capital equipment reuse, primarily in their semiconductor manufacturing facilities. The company was faced with a number of challenges, including differing work flows across multiple locations, lack of centralized work flow management, discontinuous inventory information, and other opportunities for cost reduction. The internship was set up to benchmark and explore potential for integration of best known methods, accumulated both inside and outside the company. Based on interviews, research and quantitative analysis, opportunities were identified for reuse of equipment shipping crates, improvement in warehouse inventory management, and changes in labor models to facilitate better knowledge capture and dissemination. As a result of this study Intel® Corporation may realize significant improvement in the areas mentioned in terms of cost reduction, process improvement and knowledge management. By using a flexible approach to problem identification and generating organizational interest in the improvements, recommendations were well received and should lead to eventual adoption.
Book Synopsis Proceedings of AF-SD/Industry/NASA Conference and Workshops on Mission Assurance by :
Download or read book Proceedings of AF-SD/Industry/NASA Conference and Workshops on Mission Assurance written by and published by . This book was released on 1984 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Supply Chain Management by : Ray R. Venkataraman
Download or read book Supply Chain Management written by Ray R. Venkataraman and published by SAGE Publications. This book was released on 2022-01-12 with total page 941 pages. Available in PDF, EPUB and Kindle. Book excerpt: Supply Chain Management: Securing a Superior Global Edge takes a holistic, integrated approach to managing supply chains by addressing the critically important areas of globalization, sustainability, and ethics in every chapter. Authors Ray Venkataraman and Ozgun C. Demirag use a wide variety of real-world cases and examples from the manufacturing and service sectors to illustrate innovative supply chain strategies and technologies. With a focus on decision-making and problem-solving, Supply Chain Management provides students with the tools they need to succeed in today’s fiercely competitive, interconnected global economy.
Book Synopsis Productivity and Quality Improvement in Electronics Assembly by : Johnson Aimie Edosomwan
Download or read book Productivity and Quality Improvement in Electronics Assembly written by Johnson Aimie Edosomwan and published by McGraw-Hill Companies. This book was released on 1988 with total page 926 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Automated Manufacturing Strategy by :
Download or read book Automated Manufacturing Strategy written by and published by . This book was released on 1988 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Computerworld written by and published by . This book was released on 1983-12-19 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: For more than 40 years, Computerworld has been the leading source of technology news and information for IT influencers worldwide. Computerworld's award-winning Web site (Computerworld.com), twice-monthly publication, focused conference series and custom research form the hub of the world's largest global IT media network.
Book Synopsis Handbook of Production Scheduling by : Jeffrey W. Herrmann
Download or read book Handbook of Production Scheduling written by Jeffrey W. Herrmann and published by Springer Science & Business Media. This book was released on 2006-08-18 with total page 331 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book concentrates on real-world production scheduling in factories and industrial settings. It includes industry case studies that use innovative techniques as well as academic research results that can be used to improve production scheduling. Its purpose is to present scheduling principles, advanced tools, and examples of innovative scheduling systems to persons who could use this information to improve their own production scheduling.
Download or read book Japanese Technical Abstracts written by and published by . This book was released on 1988 with total page 572 pages. Available in PDF, EPUB and Kindle. Book excerpt:
