150mm Carbon Fiber Wafer Equipment Disc Brush

A 150mm Carbon Fiber Wafer Equipment Disc Brush is a rotary, machine-mounted cleaning tool built for semiconductor wafer handling and processing equipment. It is not a hand brush: the circular PEEK base carries carbon fiber bristles on one face and a quick-change coupling on the back, allowing the disc to be driven by a spindle or robot-integrated actuator.

During operation, the rotating face contacts the target surface — an end effector blade, pre-aligner, wafer stage, electrostatic chuck, or cassette contact area — and sweeps away loose particles, lint, oxide, flux residue, and polishing debris. The carbon fiber filaments provide mechanical contact and a dissipative path, while the short 15 mm head length keeps the contact predictable and prevents filament wrapping around surface features.

This brush is intended for dry or lightly dampened cleaning sequences. Heavy chemical immersion, aggressive abrasive action, or contact directly on patterned device surfaces should be validated separately, because those conditions place different demands on the filament chemistry, base material, and particle release behavior.

The table below gives the standard configuration for this disc brush. Dimensions, filament parameters, base material, and coupling interface can be adjusted for the specific equipment; final values are confirmed from your application drawing or sample.

The 150 mm face and static-dissipative carbon fiber make this brush a fit for flat and gently curved surfaces in wafer handling and electronic assembly equipment. Typical applications include:

• Semiconductor wafer end effectors: robot blades and transfer paddles that pick up wafers and accumulate backside particles, dust, and oxide residues.
• Electrostatic chucks and wafer stages: contact surfaces where polishing particles, lint, and static-attracted dust would otherwise transfer to the wafer backside.
• Pre-aligners and aligner surfaces: rotating contact areas that need residue-free, charge-controlled cleaning without abrasive damage.
• Printed circuit boards and electronic subassemblies: production and rework areas where flux residue, loose solder debris, and lint must be removed without creating an ESD hazard.
• Wafer cassettes, FOUPs, and transport hardware: guide rails, contact pads, and other static-sensitive surfaces subject to particle accumulation.
• Optical inspection stages and cleanroom equipment: surfaces where low fiber shedding and static dissipation are part of the defect control plan.

Start by defining the cleaning path, surface material, residue, ESD requirement, and mounting interface. The selection decisions below determine whether this 150 mm disc is the correct configuration and what filament and base options should be specified.

Confirm the 150 mm face covers the contact path. For end effector blades and stages, the disc should sweep the full surface width in one or two passes. If your cleaning surface is narrower than 150 mm, a smaller disc may give better control and avoid removing material from adjacent areas. If the surface is larger, specify a traversing motion or consider a larger diameter disc.

Select filament diameter by residue and surface sensitivity. Finer filaments (0.05–0.10 mm) bend more easily and are gentler on coated or polished surfaces; they remove light dust and lint but may not cut through dried flux or oxide. Coarser filaments (0.12–0.20 mm) provide more scrubbing force and longer wear, suitable for heavier residues but with slightly higher abrasion risk. Match the diameter to the most fragile surface in the cleaning path.

Match head length and trim to the surface profile. The standard 15 mm head length works well on flat and slightly curved surfaces. If your part has edge steps, recesses, or a raised center hub, a customized trim — stepped, scalloped, outer-ring only, or side bristles — can maintain contact inside those features without excessive pressure on the high points.

Specify the static-dissipative requirement explicitly. The carbon fiber can be produced across a 10³–10⁹ Ω resistivity range, but your ESD control plan likely calls for a specific window. Some tools require a low-resistance path to ground; others require a slower dissipative discharge to avoid current spikes. Test the brush in the actual equipment interface and verify continuity through the coupling to the grounded spindle.

Define the coupling and drive interface. Provide the spindle thread, bore, keyway, drive pin, bolt circle, or existing quick-change receiver drawing. The coupling must transmit torque without slip and maintain repeatable axial and radial position. A loose or poorly matched interface will cause vibration, uneven wear, and particle generation.

Review chemical and temperature compatibility. PEEK and carbon fiber tolerate many common cleaning agents, but confirm with the specific solvent concentration and temperature used in your PM procedure. If the process uses aggressive halogenated or strongly oxidizing chemicals at high temperature, request a compatibility review before the disc is placed in service.

When a different brush or cleaning method is more suitable: If the target is heavy metal scale, weld splatter, or requires aggressive mechanical abrasion, use a wire brush or abrasive nonwoven disc instead of carbon fiber. For deep narrow grooves, threaded holes, or internal passages, a tube brush, end brush, or radial brush reaches where a flat disc cannot. If the cleaning process is fully immersed in harsh chemistry, a stainless or PTFE-based brush may be required. And if the residue is baked-on or chemically bonded, pre-treat with solvent, ultrasonic, or plasma cleaning before using the disc as a final particle-removal step.

This 150 mm disc is a standard starting configuration, not a fixed catalog item. We can adjust the dimensions, filament, base, coupling, and packaging to match your wafer equipment and PM procedure. To define the custom configuration, provide the target surface drawing or sample, residue type, contact pressure, spindle interface, required resistivity window, cleaning chemicals, operating temperature, and cleanroom class.

Adjustable parameters include:

• Dimensions: disc diameter (approximately 40–300 mm), face height, center hole, annular brush face, and overall thickness.
• Filament: carbon fiber grade, filament diameter, fill density, trim pattern (flat, stepped, scalloped, V-groove, outer ring), and static-dissipative target value.
• Base: PEEK standard; alternatives include PPS, UHMW-PE, anodized aluminum, or 316 stainless steel. Thickness, balancing features, and mounting bosses can be incorporated.
• Connection: threaded hub, taper, keyed slot, pin drive, bolt circle, or a quick-change receiver matched to your existing tool interface.
• Marking: laser-marked part number, lot code, date code, directional arrow, or cleanroom identification.
• Packaging: cleanroom double-bag, individual sealed bags, ESD-safe packaging, or multi-unit PM kits.

For project requirements that include material declarations, dimensional inspection data, surface resistance measurements, third-party testing, or cleanroom packaging validation, we can support those documentation needs as part of the customization process.