19DECEMBER 2024stagnant flow zones that can produce turbulence, pressure drops and other disturbances. Traditional manufacturing also requires that these components go through a complex assembly process, which can create connection points vulnerable to failure. In contrast to these limitations, additive manufacturing allows manifolds, mixers, and feeders that give you the smoothest, easiest pathway for gas and fluids while maintaining a low volume by using the minimum amount of material. The rapid design and iteration enabled through metal AM lets you create complex, organically shaped channels that decrease turbulence and pressure fluctuations while also allowing you to consolidate the designs into a single part. This improves supplier yield and reliability, reduces labor and inspection costs, and makes it easier to achieve ideal function.Enhancing Thermal ManagementEfficient thermal management is necessary to reduce subtle temperature fluctuations, which can have adverse consequences such as distorting wafers or disrupting the thermal scale of encoders, negatively impacting throughput and accuracy and reducing overall yield. Yet achieving this using traditional manufacturing methods typically requires extensive CNC machining of cooling channels on multiple components and vacuum brazing them together. This time-consuming, cumbersome and often costly process can result in extended project timelines and increased labor costs. The addition of more joining surfaces and seams can also impact part performance, reliability and longevity. However, using additive Fig 2: Reduced vibration and inertia and improved yield with lighter, consolidated flexures optimized for ideal kinematics.Fig 3: Improved heat transfer efficiency in wafer tables for greater semiconductor manufacturing equipment throughput and accuracy by integrating optimized cooling channels and surface patterns.Fig 4: Increased manifold fluid flow performance with component consolidation while reducing spatial requirements.manufacturing, it's possible to create unique designs capable of optimizing cooling channels, surface patterns, and wall thicknesses to more efficiently dissipate heat, enhance system throughput and accuracy, and improve overall performance. By replacing multipart assemblies with monolithic AM-designed parts, you can increase durability, improve yield, and benefit from a variety of stiff and conductive metal alloys--all while reducing labor time and costs.Optimizing Structural ComponentsSemiconductor manufacturing equipment relies on moveable structural components like brackets, mounts, and flexures that must be able to withstand rapid accelerations while maintaining positional accuracy. Equipment produced using traditional methods, such as casting and milling, can be heavy and contain excess material that impedes movement. At the same time, they can also have limited design flexibility, increasing cost and lead times. Additive manufacturing overcomes these challenges by making it possible to rapidly design and iterate lightweight, topology-optimized components using a suite of high-strength metal alloys. These designs can precisely meet the advanced performance requirements of semiconductor capital equipment, reduce inertia, increase the strength-to-weight ratio, and improve manufacturing speed and uptime. The ability to replace multipart assemblies with monolithic parts further improves yield while reducing costs.The Opportunities are LimitlessAdditive manufacturing has proven to be particularly useful in applications in the semiconductor industry, where capital equipment manufacturers are under pressure not only to improve precision but also to deliver faster time to market, continually lower costs, and minimize supply chain disruption. Embracing this technology not only empowers the semiconductor industry to meet evolving demands with unparalleled agility but also to push the boundaries of performance and innovation.
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