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  3. NITTA DuPont Incorporated
  4. Basic Knowledge: Types of Grinding Processes
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  • Jan 09, 2019
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Jan 09, 2019

Basic Knowledge: Types of Grinding Processes

NITTA DuPont Incorporated NITTA DuPont Incorporated
Polishing is a technique for flattening or creating a mirror finish on the surface of the workpiece. There are various principles and methods of polishing. - Chemical polishing: A method that primarily utilizes the etching action of chemical solutions to remove distortions from the workpiece surface. It does not use abrasive particles. Example: electrolytic polishing. - Mechanical polishing: A method that utilizes the cutting action of hard tools holding fine abrasive particles, to achieve flatness or a mirror finish on the workpiece. Example: grinding. - Chemical mechanical polishing (CMP): A composite process that combines the chemical dissolution action of polishing liquids with the mechanical removal action of abrasive particles. This method, represented by CMP, is used for flattening processes in semiconductor manufacturing, but it originally applied technology for mirror finishing of silicon wafers. The manufacturing processes for semiconductor devices require extremely high precision, reaching atomic levels of 0.1 micrometers. There are various other polishing methods, but the chemical mechanical polishing provided by Nitta Haas is one of the most precise ultra-precision polishing techniques.
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IC1000(TM)画像.jpg

Foam Polyurethane Pad "IC1000(TM)"

The de facto standard for polishing pads in the CMP process. World market share No. 1!

There have been numerous successful adoptions to date, and we continue to maintain a high market share. The IC1000(TM) is designed based on special materials, manufacturing, and processing technologies, as well as advanced application evaluation techniques, ensuring optimal performance.

  • Other abrasives

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EXTERION(TM)画像.jpg

Foam Polyurethane Pad "EXTERION(TM)"

Polishing pads optimal for primary polishing in mirror surface finishing.

The EXTERION(TM) series is a polyurethane foam pad created from advanced foam control technology. It is used for primary polishing of silicon wafers and compound substrates, providing a high-quality finish and reliable polishing performance. Additionally, its special processing technology demonstrates excellent thickness precision and startup performance.

  • Other abrasives

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不織布パッド『SUBA』.JPG

Non-woven fabric pad "Suba(TM)"

A non-woven fabric-based polishing pad that responds well to various applications.

"Suba(TM)" is a polishing pad made from polyester fibers, with polyurethane impregnated into a non-woven fabric formed by a dry process. It demonstrates excellent performance primarily for primary and secondary polishing of silicon wafers, sapphire wafers, and oxide wafers. It can also be used for edge polishing and notch polishing, and offers a wide range of products tailored to each process. 【Features】 ■ High polishing rate ■ Low defect rate ■ High flatness *For more details, please refer to the catalog or feel free to contact us.

  • Wafer processing/polishing equipment
  • Hand polishing and filing
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H1000画像.png

Soft Pad "H1000"

Polishing pad for achieving defect-free finishes

The H1000 series pad was developed as a pad for final polishing of silicon wafers. Its unique resin design demonstrates excellent scratch performance, and the straight pore structure achieves high stability and long life.

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Nanopure(TM)画像.jpg

Precision Grinding Slurry "Nanopure(TM)"

Polishing slurry that achieves nano-level surface quality.

The Nanopure(TM) series is a polishing slurry primarily used for primary polishing, secondary polishing, finishing polishing, and edge polishing of silicon wafers. The abrasive particles are made of high-purity colloidal silica, achieving excellent polishing performance through an optimal blend of additives. We will propose the most suitable product lineup based on your objectives and applications.

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Machplaner(TM)画像.jpg

Precision Grinding Slurry "Machplaner(TM)"

Polishing slurry that achieves a high polishing rate and good surface quality.

Through abrasive formulation technology and additive formulation technology based on colloidal silica, we achieve high polishing rates and high surface quality. We offer a lineup of products tailored to various polishing purposes and applications, including sapphire, glass, quartz, oxides, and resins. We will propose the optimal product lineup based on your objectives and applications.

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Related catalog(3)

Nitta Dupont Co., Ltd. "CMP Polishing Pad" Product Catalog

Nitta Dupont Co., Ltd. "CMP Polishing Pad" Product Catalog

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Nitta Dupont Co., Ltd. "CMP Polishing Slurry" Product Catalog

Nitta Dupont Co., Ltd. "CMP Polishing Slurry" Product Catalog

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Nitta Dupont Co., Ltd. "Diamond Conditioner" Product Catalog

Nitta Dupont Co., Ltd. "Diamond Conditioner" Product Catalog

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High capacity with bolt fixation! Low voltage fuse 'SBFW-K48V-M8'

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The low-voltage fuse "SBFW-K48V-M8" is a slow blow fuse that can withstand temporary overcurrents and only blows under continuous overcurrent conditions. There are also 48V compatible slow blow fuses specifically designed for high-voltage systems such as hybrid vehicles and electric vehicles (EVs). It plays a role in protecting the entire vehicle during abnormal conditions in circuits that supply power from the battery to the entire vehicle or in the power supply system.

Nov 23, 2025

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Compatible with 48V systems! Low voltage fuse 'SBFW-L48V-M6L'

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The low-voltage fuse "SBFW-L48V-M6L" is a slow blow fuse that can withstand temporary overcurrents and only blows under continuous overcurrents. There are also 48V compatible slow blow fuses specifically designed for high-voltage systems such as hybrid vehicles and electric vehicles (EVs). It is suitable for devices that experience large inrush currents at startup, such as electric fans, fuel pumps, and power steering.

Nov 22, 2025

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[Free Materials Available] Introducing Useful Information on Vehicle Detection Sensors!

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To customers considering the introduction of vehicle detection sensors for parking lot construction, design, and management: Are you facing any issues with the challenges you currently have or selecting the right sensors for parking lot management? Hotron offers free materials that explain how to utilize vehicle detection sensors and the benefits of their introduction! ▽ Here is the lineup of materials ◉ Basic Guide to Vehicle Detection Sensors This guide focuses on the challenges and solutions in parking lot operations, introducing the overview of vehicle detection sensors. ◉ Key Points for Introducing Vehicle Detection Sensors This material discusses the benefits of introduction based on installation locations and specific challenges. ◉ Case Studies of Vehicle Detection Sensor Implementation This document introduces the challenges before implementation and the results after introduction. For more details, please download from our website and check it out. https://www.hotron.co.jp/download/

Nov 21, 2025

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Chibi 0.3 (Comma-san) 96 WJacket Tubes

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We would like to introduce "Chibi 0.3" handled by FCR and Bio Co., Ltd. This product is a jacket tube with a rack lid lock and anti-rotation function (compatible capacity 0.3ml). It is autoclavable and suitable for DMSO and liquid nitrogen vapor. We also offer screw caps for 96-well plates. 【Features】 ■ Polypropylene ■ Autoclavable ■ Compatible with DMSO ■ Suitable for liquid nitrogen vapor *For more details, please download the PDF or feel free to contact us.

Nov 21, 2025

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Ideal for protecting high-power equipment! Low-voltage fuse 'SBFW-L M6'

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The low-voltage fuse "SBFW-L M6" is a slow blow fuse that can withstand temporary overcurrents and only blows under continuous overcurrents. In automobiles, it is particularly effective for devices where the current momentarily increases significantly. It is recommended for those facing challenges related to circuit protection with low-voltage fuses (below DC70V) in the automotive and construction machinery industries. It plays a role in protecting the entire vehicle during abnormal conditions in circuits that supply power from the battery to the entire vehicle and in the power supply system.

Nov 21, 2025

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