نتایج جستجو برای: nanotip fabrication
تعداد نتایج: 54479 فیلتر نتایج به سال:
The paradigm shift of digital fabrication encourages architects to incorporate the knowledge of using innovative materials and novel tools to solve problems in design and construction. However, the application of digital fabrication still needs more flexibility that allows different groups in a society to redesign fabrication processes based on their own needs and values. Looking at robotic fac...
This paper discusses a methodology for quickly investigating problem areas in semiconductor wafer fabrication factories by creating a model for the production area of interest only (as opposed to a model of the complete factory operation). All other factory operations are treated as black boxes. Specific assumptions are made to capture the effect of reentrant flow. This approach allows a rapi...
This paper describes a methodology to tackle the problem of designing Automated Material Handling Systems (AMHS) for 300mm wafer fabrication facilities. The proposed framework divides the design process into two levels: architectural and elaborative. Prior to the design, fab data are preprocessed using simulation of manufacturing operations. The output data and fab requirements data are then pr...
Traditional fabrication techniques include pick-and-place, roll-to-roll, molding, patterning and more. Current research in fabrication includes algorithmic assembly [3] , programmed assembly[9], self-assembly[1,2] , assembly by folding [4] as well as guided self-assembly [2]. The above research studies the methods of assembly rather than the nature of the materials they are using for assembly. ...
Defect size distributions play an important role in process characterization and yield prediction. To reduce time and costs of defect size extraction procedures the paper presents a novel methodology to determine defect size distributions. For that, we use all measured defect extension values per inspected defect compared to known methodologies just using one size value per defect. Our approach...
This paper proposes a production planning system for a semiconductor enterprise with multi-site fabs. Profit achievement of the whole enterprise and quick response mechanism for the due date setting are the major considerations of the proposed system. Two modules are included in this system. Throughput planning module considers the achievement of enterprise’s profit, operating characteristics o...
Wafer fabrication is a capital-intensive and highly complex manufacturing process. In the wafer fabrication facility (fab), wafers are grouped as a lot to go through repeated sequences of operations to build circuitry. Lot scheduling is an important task for manufacturers to improve production efficiency and meet customers’ requirements of on-time delivery. In this research we propose a dispatc...
In a competitive market, semiconductor fabricator must face an environment with multi-product types, multi-priority orders and demand changes in time. Since semiconductor fabrication has a very complicated production process, the above-stated characteristics make the production planning even more difficult. This paper applies data envelopment analysis (DEA) to find a set of product family mix t...
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