ピュアオンジャパン List of Products and Services

PAD-EASE-PRO has been developed to allow for quick and easy replacement of Pureon grinding and polishing pads, such as SQUADRO, IRINO, and PLATO, on a flat surface. The sheet has a special surface treatment that enables repeated attachment and detachment of the pads to the flat surface. Attaching the pads requires careful attention to details such as aligning the slurry hole positions and managing air bubbles. PAD-EASE-PRO simplifies this process, making it possible to use multiple sizes of grinding pads on a single flat surface. Additionally, when removing PAD-EASE-PRO from the flat surface, it leaves minimal adhesive residue, making it easy to clean. It can be provided to match your company's flat surface size. 【Features】 ■ Easy attachment and detachment of Pureon self-adhesive pads ■ Ability to use multiple pads on a single flat surface ■ Easy cleaning of the adhered flat surface ■ Proven track record of use in mass production with double-sided machines

• Other abrasives

The IC OPTIC Puck is a polyurethane block with a fine pore structure recommended for polishing flat and spherical optical materials. It can be used with high-speed CNC polishing machines and spindle polishing machines, replacing traditional metal or glass molding tools with bonded petal-shaped pads. It is provided in a cylindrical block form, allowing you to shape it into your desired form during use. The shaping method can be viewed in related videos. 【Features】 - Improved polishing capability due to the uniform fine pore structure throughout the product. - Stable processing accuracy regardless of the target shape. - Easy shaping through machining, enabling low costs through multiple reuses. - Less frequent dressing processing, allowing for long hours of polishing. - Supports polishing while maintaining surface shape even for sudden R and other difficult shapes. - Low risk of shape distortion, enabling support for improved accuracy of polished parts. *Please feel free to contact us for more details.

• Other abrasives
• lens

SQUADRO-G2 is the second generation product of the innovative and efficient diamond grinding pad SQUADRO-G. The new manufacturing process allows for more flexible provision of products in various sizes. In terms of performance, SQUADRO-G2 maintains a high grinding rate until the moment of use, resulting in high surface quality. With its long product lifespan and ease of use, SQUADRO-G2 serves as an economical and efficient alternative to other grinding pads and traditional lapping methods. 【Features】 ■ Compatible with various outer diameter sizes ■ Longer lifespan and more economical compared to other grinding pads ■ Cleaner than slurry lapping ■ High flatness and surface quality, precise edges ■ Easily achieves non-free abrasive by adhering to existing equipment's base plates 【Main Applications】 Optical glass, BK7, quartz glass, aluminum nitride, lithium tantalate, etc. *The grinding pad SQUADRO is available in three different bond hardnesses to suit various applications. For more details, please refer to the catalog or feel free to contact us.

• Grindstone

The SQUADRO-M2 and SQUADRO-H2 are second-generation products of SQUADROM and SQUADRO-H, known for their excellent polishing performance. This innovative diamond grinding pad optimizes precision polishing of metals, hard materials, ceramics, and more. It combines the advantages of both SQUADRO-M and SQUADRO-H. The new manufacturing process allows for more flexible provision of products in various sizes. In terms of usage, the SQUADRO-M2 and SQUADRO-H2 maintain a high polishing rate until the moment they are finished, resulting in high surface quality. Due to their long product lifespan and ease of use, SQUADRO-M2 and SQUADRO-H2 offer an economical and efficient alternative to other grinding pads and traditional lapping methods. 【Features】 - Ideal for polishing metals, hard materials, ceramics, etc. - Compatible with all outer diameter sizes - Longer lifespan and more economical compared to other grinding pads - Cleaner than slurry lapping - High flatness and surface quality, precise edges - Easy detachment of abrasive grains can be achieved by adhering to the existing equipment's base plate 【Main Applications】 Please refer to the catalog.

• Grindstone

This is a polishing pad recommended for grinding workpieces made of ceramics, glass, and various metals. It maintains a high polishing rate due to diamond abrasives fixed with a metal bond. In addition to maintaining high grindability and long lifespan, it is compatible with almost all cooling lubricants (coolants) due to its metal bond specification. 【Features】 ■ High grindability capable of polishing sapphire ■ Always flat and precise edges ■ More economical than grinding paper or slurry ■ Environmentally friendly as it does not require slurry *For more details, please feel free to contact us.

• Grindstone

This is a recommended pre-CPM slurry for polishing hard materials such as sapphire, SiC, and silicon nitride. By using it before CMP, you can shorten the CMP process time. 【Recommended for the following situations】 ■ Those who want to shorten the CMP process time ■ Those who want to efficiently remove fine scratches, etc. ■ Those who want to reduce the load of potassium permanganate slurry *For more details, please feel free to contact us.

• Other abrasives

This is a high-purity cerium oxide slurry recommended for precision polishing of optical materials such as borosilicate glass, quartz glass, and glass ceramics. This slurry, which combines cerium oxide with a sharp particle size distribution in a unique coolant, is characterized by its resistance to settling and ease of cleaning. Additionally, due to its high concentration of abrasive particles, it can be used flexibly by diluting it on-site. 【Recommended for the following situations】 ■ Those looking for a cerium oxide slurry with high cleaning properties ■ Those requiring high consistency between batches ■ Those seeking high processing rates and surface quality ■ Those who find it cumbersome to create slurry from powder *Please feel free to contact us for more details.

• Other abrasives

At Pureon, we propose a rapid thinning process that combines IRINO-PROSiC and diamond slurry PURE-DS-RT for high-speed grinding of SiC wafers, achieving significant cost reductions compared to conventional processing methods. This innovative combination not only ensures excellent surface quality but also guarantees a high processing rate, making it suitable for applications that require a smooth transition to the CMP process. The back side features a self-adhesive tape, allowing IRINO-PROSiC to be easily attached to existing metal plates, enhancing the usability and efficiency of SiC grinding tools. Whether you seek superior surface quality or high processing rates, IRINO-PROSiC is the ideal product for advanced SiC processing. 【Features】 ■ Innovative grinding pad suitable for the Rapid Thinning process ■ Optimal for grinding SiC ■ Surface finish at Ra 1 nm level ■ Highly competitive compared to conventional grinding processes ■ Flat finish that does not cause edge surface degradation ■ Usable on single-sided/double-sided polishing machines with flat plates (dressing required)

• Other abrasives

Micro Diamond, which has contributed to customers through precision classification, has acquired the American CMP-related company Eminess Technology and has become Pureon. In addition to the high-quality diamond-related products developed so far, know-how regarding final finishing CMP will also be accumulated in-house. Pureon continues to synthesize the world's largest polycrystalline diamonds in the American desert and manages the crushing, cleaning, and classification of both single and polycrystalline diamonds in-house to produce final products. Similarly, the slurries are provided based on high-precision classified in-house diamond powders, using oil-based and water-based liquids. We offer tailor-made products that can be customized according to your requirements, as well as standard ready-made products. We are pleased to propose the most suitable slurry for your applications.

• Other abrasives
• Hand polishing and filing
• Brush

We have created a slurry of highly regarded, high-precision graded diamonds that is less prone to settling. This product contributes to improving customer productivity by considering chemical formulations that enhance the polishing rate. 【Features】 - We have kept costs down by manufacturing in bulk batches at our Swiss factory. - Available in 8 sizes with particle diameters ranging from 0.1μm to 15μm, in both water-based/oil-based and single crystal/multi-crystal forms. - We use high-performance, in-house produced diamond powder. - Additionally, the lubricants (suspensions) are also high-performance products developed in-house. - Overall, we take pride in offering a diamond slurry with very high cost performance. If you are struggling with other products that are not cutting well, have unsatisfactory polishing rates, or are too expensive, or if you are facing instability in slurry supply and procurement as a seller, please give our product a try.

• Other abrasives

The "Type SPW" is a water-based diamond slurry suitable for use with metal lap discs and polishing pads. It is a water-based type that simplifies handling and cleaning, achieving a high polishing rate without compromising surface finishing. The high-dispersion formulation prevents the agglomeration of diamond particles, enhancing process stability. (Non-dispersed types are also available.) 【Features】 ■ Water-based type that simplifies handling and cleaning ■ Achieves a high polishing rate without compromising surface finishing ■ High-dispersion formulation that prevents the agglomeration of diamond particles (Non-dispersed options are available) ■ High reproducibility of processes *For more details, please refer to the PDF document or feel free to contact us.

• Other abrasives

The "Type SPO" is an oil-based diamond slurry designed for wrapping and polishing sapphire, ceramics, and metals. Our specially formulated additives provide the best polishing performance while achieving the highest polishing rates. 【Features】 ■ Achieves a polishing rate 25% higher than other oil-based slurries The polishing rate is dramatically higher compared to other oil-based slurries. ■ High-performance stabilizers prevent the sedimentation of diamond particles Prevents the sedimentation of diamond particles, making the work process efficient and stable. * For equipment and applications equipped with stirring devices, slurries without stabilizers can be provided. * For more details, please refer to the PDF document or feel free to contact us.

• Other abrasives

SPG suspension is completely water-soluble and does not dry out when exposed to air, making it an ideal product as a substitute for oil-based polishing liquids. The excellent lubricity of SPG allows for high lap pressure, achieving a high polishing rate. SPG suspension is optimal for lapping and polishing with metal plates (cast iron plates, copper plates, tin plates, composite materials). When used in conjunction with polishing pads, please check for compatibility. SPG suspension can be customized to meet your specification requirements. The composition of the suspension includes selecting (1) carrier liquid, (2) diamond concentration, (3) type of diamond, and abrasive size.

• Other abrasives

OPW is a water-soluble diamond suspension designed for final polishing of optical components, ceramics, metals, and more. It can be used immediately upon arrival. The OPW suspension delivers optimal performance in finishing processes from 3 microns to 0.1 microns. We offer products suitable for polishing on pads and pitch plates/PU foils. 【Features】 ■ Tailor-made specifications You can freely choose the type of diamond, grain size, and concentration. ■ Aggregate-free processing Excellent usability due to reliable dispersion. ■ Maintains a high polishing rate through cooling and lubrication. ■ Environmentally friendly and easy to maintain. *For more details, please feel free to contact us.

• Other abrasives

WSG is a glycol-based diamond slurry suitable for high-performance multi-wire saws. It can be used immediately upon arrival. Our unique additives promote adhesion between the slurry and the wire, enhancing cutting speed. 【Features】 ■ Tailor-made specifications You can freely choose the type of diamond, particle size, and concentration. ■ High polishing rate It has optimal adhesion to the wire, maintaining a high polishing rate. ■ High reproducibility Thanks to our unique formulation, no dispersion processing is required. ■ Water-soluble, environmentally friendly, and easy to maintain *For more details, please feel free to contact us.

• Other abrasives
• Wafer processing/polishing equipment
• Other semiconductor manufacturing equipment

"ECOPOL" is a diamond suspension developed for the modification of wire dies. The optimally formulated carrier liquid provides excellent surface quality and high reproducibility. Being water-based, it meets the standards for occupational safety and environmental protection. 【Features】 ■ Highest precision and polishing rate Thanks to a unique formulation, it delivers excellent surface quality and a high polishing rate. ■ High reproducibility ■ Ready to use Pre-dispersed, no mixing required! ■ Tailor-made specifications You can freely choose the type of diamond, the size of the abrasive particles, and the concentration. *For more details, please contact us.*

• Dice
• Other abrasives
• Grindstone

Pureon crushes single crystal diamonds (both synthetic and natural) at its own factory and carries out cleaning and classification processes. Through thorough quality control at each stage, we produce a very high-performance and stable micron diamond powder with minimal variation between lots. We particularly manage the oversize of the abrasive particles strictly, achieving scratch-free polishing. Our products are also adopted in the research and development of quantum computers, and we are recognized for our stable high quality between lots. If you are facing issues with variations in polishing rates or scratch problems, we encourage you to consider our micron diamond powder.

• Other abrasives
• Grindstone

Diamond powder "MSY" offers synthetic single crystal diamond powder in precise size ranges. By applying a special shape adjustment process, it ensures a uniform and blocky shape, exhibiting approximately 10% higher performance index compared to typical synthetic single crystal diamond powders. It is widely used as free abrasive grains for lapping or as fixed abrasive grains for grinding tools. 【Features】 ■ High polishing rate with no variation The micro-structured rough particle surface allows for very short polishing times even under low pressure. Additionally, due to self-lapping action, a high polishing rate is maintained. ■ High reproducibility The upper limit of diamond size is strictly controlled, providing a uniform and scratch-free surface quality. ■ Usable for lapping of ultra-hard materials to polishing of precision parts Suitable for lapping and polishing of sapphire, ceramics, ultra-hard materials, soft/hard metals, and synthetic gemstones. *For more details, please refer to the PDF document or feel free to contact us.

• Grindstone
• Other abrasives

Pureon synthesizes polycrystalline diamonds in-house, crushes them at its own factory, and carries out cleaning and classification processes. Thorough quality control in these processes produces micron diamond powder that is highly efficient and stable, with minimal variation between lots. In particular, strict management of oversized abrasive particles ensures scratch-free polishing results. If you are currently facing issues with variations in polishing rates or scratching problems, we encourage you to consider our micron diamond powder.

• Other abrasives
• Grindstone

Synthetic polycrystalline diamond powder "DP" is offered in a precise size range of synthetic polycrystalline diamonds. This product, which has undergone our unique precision classification, boasts the highest performance among our diamond powders, providing high polishing rates and surface quality. It can be utilized for lapping and polishing applications of ceramics and hard metals. 【Features】 ■ The highest performance among our diamond powders Delivers unparalleled efficiency and high surface quality. Enables very short polishing times even under low pressure. Additionally, due to self-sharpening action, high polishing rates are sustained. ■ High reproducibility due to unique classification technology The narrow particle size distribution maximizes the number of particles of the same size, reducing the ratio of fine to coarse particles. Strict tolerances significantly reduce variability between lots, resulting in consistent polishing results. ■ Usable for lapping of ultra-hard materials to polishing of precision parts Suitable for lapping and polishing of sapphire, ceramics, ultra-hard materials, soft/hard metals, and synthetic gemstones. *For more details, please refer to the PDF document or feel free to contact us.

• Grindstone
• Other abrasives

Diamond powder "FG" offers synthetic polycrystalline diamond powder in a standard size range. It is priced slightly more affordably compared to precision grade (DP), making it suitable for applications that face challenges with diamond material costs. It can be utilized for the lapping and polishing of ceramics and hard metals. 【Features】 ■ Consistent and high polishing rate The micro-structured coarse particle surface allows for very short polishing times even at low pressure. Additionally, self-abrasion maintains a high polishing rate. ■ High reproducibility The upper limit of diamond size is strictly controlled, providing a uniform and scratch-free surface quality. ■ Usable for lapping of ultra-hard materials to polishing of precision parts Suitable for lapping and polishing of sapphire, ceramics, carbide, soft/hard metals, and synthetic gemstones. *For more details, please refer to the PDF document or feel free to contact us.

• Grindstone
• Other abrasives

"Liquid Diamond GAF" is a high-concentration liquid diamond dispersed in deionized water using our proprietary GAF (Aggregation-Free Processing) technology. It is used as a substitute for diamond powder when preparing water-soluble diamond slurries for polishing. It helps prevent the risk of scratches when handling diamonds of sizes smaller than 1 micron. 【Features】 ■ Dramatically Simplified Slurry Preparation The labor-intensive dispersion of submicron diamonds is unnecessary, saving both time and costs. It can be easily measured to match the required slurry concentration. ■ Improved Reproducibility Reliable dispersion of diamonds ensures that scratch-free polishing is consistently maintained. ■ Environmentally Friendly No chemical additives such as dispersants or surfactants are used. * A bactericide is included to prevent contamination from bacteria and other sources. Cleaning up diamond dust generated during the slurry preparation process is no longer necessary. * For more details, please refer to the PDF document or feel free to contact us.

• Grindstone

Pureon crushes natural diamonds, which are the raw materials, at its own factory and carries out cleaning and classification processes. Thorough quality control in these processes produces micron diamond powder that is highly efficient and stable, with minimal variation between lots. In particular, strict management of oversized abrasive grains ensures scratch-free polishing results. If you are currently facing issues with variations in polishing rates or scratch problems, please consider our micron diamond powder.

• Other abrasives
• Grindstone

NAT natural micron diamond powder is a product that classifies industrial natural diamonds into precise micron sizes. The characteristic of natural diamonds is their distinct cleavage planes. Through a unique grinding and cleaning process, it produces sharp-edged and free-cutting particles. **Features** ■ Precision Size Range The tight classification accuracy lineup minimizes the content of both fine and coarse particles while maximizing the total amount of particles in the required size. By clearly defining the upper size limit of coarse particles, it achieves high reproducibility and excellent surface quality. ■ Low Tolerance Error Due to the low error (variability) in particle size distribution, stable performance between lots is obtained. ■ Purity The unique cleaning process ensures a high level of product purity. NAT natural diamond products do not contain metal catalysts, and their low electrical conductivity makes them suitable for the production of electroplated diamond tools. *Available as diamond powder or as ready-to-use diamond slurry.*

• Other polymer materials
• Grindstone
• Other abrasives

For larger workpieces that require hand polishing, it is recommended for those who struggle with the inability to spread the paste thinly over the entire workpiece and find that the viscosity of standard slurries is too low. It is well-dispersed, so valuable diamond abrasives will not clump together. 【Features】 ■ High-quality finish Using it for mold finishing will elevate the quality of the finish. ■ Customizable liquid properties and size We can deliver a user-friendly 250ml plastic bottle with a cap, blending your preferred diamond powder with a lubricant available in either oil-based or water-based options. ■ Popular product in Japan It is widely adopted by major domestic mold manufacturers and others. While single crystal diamonds can sufficiently polish in hand polishing, if you desire an even finer surface finish, please choose polycrystalline diamonds.

• Other abrasives
• Hand polishing and filing

This is a diamond paste (compound) often used for polishing large workpieces. We take pride in the sharpness provided by our high-performance diamond powder. It is also adopted by major mold manufacturers and mold departments. 【Features】 - You can choose between oil-based and water-based lubricants. - We offer not only single crystal but also polycrystalline diamond products. - A wide range of diamond sizes is available, from 0.25μm to 90μm. - Provided in a ready-to-use syringe type. Our lineup matches various processes such as rough finishing, polishing preparation, and polishing (precision/mirror). It has been evaluated as not removing too much material while still being effective. If you have been troubled by scratches and other issues with previous polishing compounds, we encourage you to try our product and compare its performance with other brands you have used. We use our own high-precision graded diamond powder, and there are no oversized abrasive particles.

• Grindstone