Selection Criteria for Surface Treatment of Equipment Parts for the Semiconductor Industry
A thorough explanation of how to choose the optimal surface treatment based on device-specific requirements.
In the field of semiconductor manufacturing equipment, particle generation due to corrosion of components affects yield. Selecting the appropriate surface treatment is a crucial matter directly linked to the longevity and reliability of the equipment. How to choose surface treatments by material type: ■ Aluminum Castings - Hard Anodizing: By thickening and hardening the coating, wear resistance is enhanced. Ideal for arms and stages. - High Vacuum Compatible Anodizing: By innovating the sealing treatment (for water vapor, etc.), the risk of outgassing is reduced. Best suited for vacuum chamber structural materials. ■ Cast Iron / Cast Steel - Electroless Nickel Plating: Creates a uniform thickness anti-corrosion coating even on complex shapes and inside screw holes. A standard for equipment bases and fine adjustment mechanisms. - Low-Temperature Chrome Plating: Provides strong anti-corrosion properties and resistance to peeling with a film thickness of 1-2μm. Ideal for precision drive components and engineering jigs. - Cationic Electrodeposition Coating / Urethane Spray Coating: Best for enhancing anti-corrosion and aesthetic properties of large cast iron frames and structures. ■ Cast Steel / Stainless Steel Castings - Electrolytic Polishing: By electrochemically dissolving the surface and smoothing it to a mirror finish, gas adsorption is suppressed, reducing vacuum startup time. The Hinode Group offers optimal specifications through a consistent system from casting to painting and precision machining.
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The Hinode Group provides one-stop solutions for your manufacturing challenges from the development stage to mass production through "performance improvement by optimizing materials and structures" and "a consistent production system with diverse materials and processes." 【We solve the following issues】 ● For those considering "vibration reduction," "thermal variation reduction," "increased rigidity," and "lightweighting" of equipment: - We propose solutions unique to foundry manufacturers using proprietary materials and structural analysis/topology optimization. - We have a robust system for 3D printing and prototype inspection to shorten development time. ● For those struggling with the ordering process and lead times for cast parts: - We accommodate a variety of materials and manufacturing processes, including cast iron, cast steel, aluminum, and special materials. - We provide a one-stop service from mold making and prototyping to casting, processing, assembly, and transportation. ● For those considering stable supply of castings: - We have a track record as a top share manufacturer of manhole covers with 100 years of experience. - We have a proven track record with over 350 customers in the industrial machinery sector, including machine tools, industrial robots, automobiles, and semiconductor manufacturing equipment. - Our group structure can handle a wide range of production from small lots of various types to large lots of thousands of units. - We have a cooperative network of over 400 partner companies both domestically and internationally to accommodate any material or size.
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Semiconductor manufacturing equipment and electronic component manufacturing equipment (frames, chambers, vacuum pumps, precision parts made of low thermal expansion cast iron, etc.) Machine tools (beds, columns, beams made of cast iron and mineral casting) Industrial robots (bases, casings, arms) Transport equipment and construction machinery (engines, drive systems, hydraulic parts, undercarriage parts) Shipbuilding and marine equipment (sheaves, casings)
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Hinode Holdings is a professional casting group comprising experts in cast iron, cast steel, aluminum casting, machining, and logistics. Using the collective strength of our group, we solve challenges across design, development, production, and procurement, such as "weight reduction and vibration suppression of equipment parts," "precision machining," and "complexities in supplier management and ordering." From the development stage of equipment to VA/VE for mass-produced machines, leave it to Hinode. ■ Target Industries Semiconductor and electronic component manufacturing equipment (Frames, bases, chambers, vacuum pumps, precision parts made of low thermal expansion cast iron, etc.) Machine tools (Beds, columns, and beams made of cast iron or mineral casting) Industrial robots (Bases, casings, and arms) Transportation equipment and construction machinery (Engines, drivetrains, hydraulic parts, and undercarriage components) Shipbuilding and marine equipment (Sheaves, casings) ■ Target Processes / Materials Processes: Material development & selection, structural design, prototyping, mass production, machining, assembly, quality control, global procurement, and domestic/international logistics. Materials: Cast iron (FC/FCD), aluminum casting, cast steel, stainless cast steel, low thermal expansion materials, heat-resistant cast steel, wear-resistant materials, mineral casting, and others.
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