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Type:

Chuck Geometry:

Clamping / Holding Force:

Diameter:

Width:

Length:

Materials of Construction:

Help with Wafer Chucks specifications:

Type
   Type       
   Your choices are...         
   Electrostatic Chuck       Electrostatic wafer chucks are used with sophisticated semiconductor manufacturing equipment. They hold a very thin disc in a high-vacuum chamber while contacting only one side of the disc. Electrostatic chucks are made primarily of a ferroelectric alumina ceramic material. 
   Magnetic Chuck       Magnetic chucks use the magnetic force from a permanent magnet, electromagnet, or electro-permanent magnet to achieve chucking or holding action. They are only suitable for workpieces made of magnetic materials such as steel or iron. 
   Mechanical Chuck       The chuck is adjusted and tightened by hand or with hand tools. 
   Vacuum Chuck       Vacuum chucks apply a vacuum to the back of the workpiece to achieve chucking or holding action. The vacuum is supplied by an electric vacuum pump, or a Venturi vacuum generator powered by compressed air. Vacuum chucks are relatively easy to use and minimize or eliminate marking of the workpiece. Applications range from simple, traditional uses such as wood lathes to very-high-precision work such as semiconductor wafer processing.  Vacuum chucks are available in a wide range of shapes and sizes. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
   Chuck Geometry       
   Your choices are...         
   Rectangular / Square       The chuck holding surface is rectangular or square in shape. 
   Round       The chuck holding surface is round in shape and is usually used in applications requiring the work to rotate. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Specifications
   Clamping / Holding Force       The chucking, clamping, or holding-force capacity of the chuck. 
   Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
   Diameter:       Chuck size is the total outside diameter (OD) or size of the chuck. This measurement may exceed the chucking diameter or size. 
   Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
   Width       The width of the chuck workholding surface (for square and rectangular chucks). 
   Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
   Length       The length of the chuck workholding surface (for square and rectangular chucks). 
   Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
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Chuck Features & Materials
           
   Your choices are...         
   Ambient       Ambient chucks, also referred to as non-thermal chucks, operate at the ambient room temperature and have no heating or cooling capabilities. 
   Thermal       Thermal chucks have integral heating or cooling capabilities. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
   Materials of Construction:       
   Your choices are...         
   Aluminum       Chucks are made of aluminum, a relatively soft, lightweight, non-magnetic, corrosion-resistant material. Aluminum chucks are used to avoid marring workpieces made of harder metals such as iron or steel. 
   Brass / Bronze       Chucks are made of or lined with brass or bronze. Brass chucks and bronze chucks avoid workpiece marring while still providing suitably rigid and precise holding and positioning. 
   Cast Iron       Chucks are made of cast iron, a common, rugged machine-tool material which provides some shock and vibration absorption. Cast iron is a natural composite whose primary constituent is iron, with trace amounts of carbon and/or silicon. 
   Ceramic       Chucks are made of ceramics, materials produced by the high- temperature fusion of minerals in a controlled environment that is designed to impart specific physical and electrical characteristics. Generally, ceramics are electrical insulators or semiconductors, and feature high resistance to thermal breakdown, erosion, and surface degradation (e.g., marring or pitting). Ceramic chucks are used in highly specialized applications such as semiconductor wafer-holding during processing. 
   Plastic       Plastic chucks are very soft. They are used to prevent marring or damage to the workpiece, and in applications which require materials with good electrical or thermal insulation. 
   Stainless Steel       Stainless steel chucks are made of specific, corrosion-resistant grades of steel. Typically, these metals are either non-magnetic or less magnetic than standard alloy steels. Stainless steel is less suited to hardening and certain types of surface finishing. 
   Steel       Steel chucks are made of carbon or alloy steels, tool steels, or hardened steels. Steel is a common chuck material. 
   Other       Other unlisted, specialized, or proprietary chuck materials. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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