Precision Materials Finishing by Metallurgical Supplies

Precision Materials Finishing by Metallurgical Supplies

Precision Materials Finishing provides submicron fabrication services utilizing state-of-the-art processes, including:

Precision Lapping

Loose Abrasive Processing on flat and cylindrical surfaces including shoulders, steps, tapers, gaps, slots, counter bores, and external and internal diameters.  Typical applications include reference surfaces and air bearings for inspection systems, microlithography equipment, scientific and medical instruments, and sealing surfaces.  Typical tolerances achieved are 2 microinches flatness, 5 microinches roundness, 10 microinches squareness and parallelism, 2 microinches size, and surface roughness less than 1 microinch.

Optical Quality Polishing

Mirror-Quality Polishing on flat surfaces that are metal, glass or ceramic. Typical applications include optical components for laser scanning and imaging, airborne or space-borne sensors, optical flats and molds for optical surfaces including CD and DVD production. Tolerances achieved are 1 microinch (1/20th wave) flatness, angularity of 0.2 arc seconds, and surface roughness less than 20 angstroms (0.08 microinches).

Low-Stress Grinding

Superabrasives and Flood Coolant used on Surface and Cylindrical Grinders produce accurate, dimensionally-stable components. Typical applications include slitting knives and spacers, special gauges and fixtures, aerospace and nuclear components, and master gears. Tolerances achieved are 5 microinches roundness, 10 microinches straightness, 20 microinches squareness, and surface roughness less than 2.0 microinches.

Single Point Diamond Machining

Single Point Diamond Flycutters use a single crystal diamond tool and high precision air bearing spindle to produce contamination free, cost effective, flat mirror surfaces on soft metals, coatings and plastics. Typical applications include laser mirrors for marking, cutting and welding systems, fold mirrors for optical imaging, and plastic medical components. Tolerances achieved are 5 microinches (1/4 wave) flatness, 50 microinches parallelism, and surface roughness less than 100 angstroms (0.4 microinches).

CMP Technology

Unique, industry-leading Chemical Mechanical Polishing (CMP) technology is combined with high-precision finishing capabilities to yield Angstrom level quality finishes on glass, hard and soft metals, wear-resistant coatings, ceramics and single crystal materials.

Metrology Services

Optical, Mechanical and Capacitance-based metrology is available to certify that the finished parts actually meet dimensional, flatness, angularity and surface roughness specifications.  Metrology work is traceable to NIST standards.  Refurbishment and certification services are also available for optical flats and other reference surfaces and gages.

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0.05µm, 128oz Premium Alumina Slurry, Gamma Phase Particle

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0.05µm, 128oz - Premium Alumina Slurrys are unique permanent suspensions of our industry standard aluminum oxide abrasive powders. The alkaline chemistry combined with the high-purity (>99.99%) alumin..

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0.05µm, 16oz Premium Alumina Slurry, Gamma Phase Particle

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0.05µm, 16oz - Premium Alumina Slurrys are unique permanent suspensions of our industry standard aluminum oxide abrasive powders. The alkaline chemistry combined with the high-purity (>99.99%) alumina..

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0.05µm, 32oz Premium Alumina Slurry, Gamma Phase Particle

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0.05µm, 32oz - Premium Alumina Slurrys are unique permanent suspensions of our industry standard aluminum oxide abrasive powders. The alkaline chemistry combined with the high-purity (>99.99%) alumina..

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0.05µm, 64oz Premium Alumina Slurry, Gamma Phase Particle

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0.05µm, 64oz - Premium Alumina Slurrys are unique permanent suspensions of our industry standard aluminum oxide abrasive powders. The alkaline chemistry combined with the high-purity (>99.99%) alumina..

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0.05µm Deagglomerated Gamma Alumina Powder, 1 lb

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0.05µm Deagglomerated Gamma Aluminum Oxide Powder PAP2 Series Powders are unique aluminum oxide abrasive powders. The controlled distribution and high-purity (>99.99%) alumina powders provide an op..

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0.05µm Deagglomerated Gamma Alumina Powder, 2.5 lb

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0.05µm Deagglomerated Gamma Aluminum Oxide Powder PAP2 Series Powders are unique aluminum oxide abrasive powders. The controlled distribution and high-purity (>99.99%) alumina powders provide an optim..

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0.05µm Deagglomerated Gamma Alumina Powder, 5 lb

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0.05µm Deagglomerated Gamma Aluminum Oxide Powder PAP2 Series Powders are unique aluminum oxide abrasive powders. The controlled distribution and high-purity (>99.99%) alumina powders provide an op..

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0.1µm, 128oz Premium Alumina Slurry, Gamma Phase Particle

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0.1µm, 128oz - Premium Alumina Slurrys are unique permanent suspensions of our industry standard aluminum oxide abrasive powders. The alkaline chemistry combined with the high-purity (>99.99%) alum..

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0.1µm, 16oz Premium Alumina Slurry, Gamma Phase Particle

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0.1µm, 16oz - Premium Alumina Slurrys are unique permanent suspensions of our industry standard aluminum oxide abrasive powders. The alkaline chemistry combined with the high-purity (>99.99%) alumina ..

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0.1µm, 32oz Premium Alumina Slurry, Gamma Phase Particle

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0.1µm, 32oz - Premium Alumina Slurrys are unique permanent suspensions of our industry standard aluminum oxide abrasive powders. The alkaline chemistry combined with the high-purity (>99.99%) alumina ..

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0.1µm, 64oz Premium Alumina Slurry, Gamma Phase Particle

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0.1µm, 64oz - Premium Alumina Slurrys are unique permanent suspensions of our industry standard aluminum oxide abrasive powders. The alkaline chemistry combined with the high-purity (>99.99%) alumina ..

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0.1µm Deagglomerated 80% Alpha and 20% Gamma Alumina Powder, 1 lb

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0.1µm Deagglomerated Gamma Aluminum Oxide Powder PAP2 Series Powders are unique aluminum oxide abrasive powders. The controlled distribution and high-purity (>99.99%) alumina powders provide an optimu..

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