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Japanese precision-tools manufacturer supplying cutting, grinding, and polishing equipment for semiconductor production.

Last updated August 31, 2026

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History

Disco Corporation began in May 1937 under the name Daiichi-Seitosho, manufacturing industrial abrasive wheels. Its early development took place against the background of Japan’s industrialization and postwar reconstruction. After the Second World War, construction and infrastructure activity expanded, increasing demand for abrasive products. Utility companies in particular used grinder discs in the manufacture of watt-meters, providing an important source of business for the young company. The company’s later transformation was driven by the requirements of semiconductor manufacturing. Semiconductor wafers need to be divided into individual dies with minimal chipping, cracking, contamination, and dimensional variation. Conventional abrasive products were not sufficiently suited to this task, so Disco invested in thinner and more precise cutting materials. In December 1968 it developed Microncut, an ultra-thin resinoid cutting wheel incorporating diamond powder. The wheel was designed to make sharp, controlled cuts in materials used in semiconductor production. The introduction of Microncut created a machinery problem: there were no suitable commercial cutting machines capable of mounting and operating the new precision wheel. Disco responded by expanding from abrasive-wheel production into equipment development. In 1975 it introduced the DAD-2h cutting machine. The machine received early recognition from semiconductor manufacturers, including Texas Instruments, and helped establish a business model combining equipment, process expertise, and consumables. In May 1977 the company adopted the name Disco Corporation. This name change reflected its broader role as a precision-processing company rather than a conventional abrasive-wheel maker. Disco subsequently expanded its portfolio around the principal steps of wafer thinning and separation. Dicing saws and laser systems cut silicon and other materials; grinding systems reduce wafer thickness; and polishing systems remove the damaged layer left by grinding and improve wafer strength and surface quality. These capabilities became particularly relevant as semiconductor devices grew smaller, wafers became thinner, and packaging requirements became more demanding. Disco entered the Japan Securities Dealers Association market in October 1989. In December 1999 it moved to the First Section of the Tokyo Stock Exchange. The company remains listed in Japan under ticker 6146.T and is included in the Nikkei 225. Its operations serve semiconductor and electronic-component manufacturers in international markets, although the available reference material does not provide a complete list of subsidiaries, facilities, or regional revenue shares. A notable organizational development began in 2011 with the introduction of the Will system under CEO Kazuma Sekiya. The system attempts to apply internal-market principles to work allocation. Employees can choose tasks through a company application and use Will values associated with assignments, while quarterly compensation is influenced by the amount of Will accumulated. The organization also applies deductions for selected activities considered to impose costs on productivity and maintains a formal office to administer the rules. A recurring internal event known as the Coliseum allows employees to propose productivity improvements, with Will used in the voting process. The system has been examined by companies including Sony, Toyota, and Panasonic, but the reference material states that these companies did not adopt it. Advocates credit the arrangement with improving engagement, accountability, and business performance. Critics question whether its emphasis on measurable short-term contribution can undervalue long-term innovation and whether management’s ability to create Will and change the rules gives the system a strongly centralized character. Economists have also noted that Will cannot be transferred outside Disco and therefore functions as an internal incentive and accounting device rather than an independent currency. Today, Disco is best understood as a specialized semiconductor-equipment and precision-consumables company. Its historical development illustrates a progression from general industrial abrasives to highly integrated tools and machines for wafer processing. The company’s enduring business proposition is based on making difficult material-processing steps more precise, repeatable, and compatible with the yield and quality requirements of advanced semiconductor manufacturing.

  • 2011

    The Will management system begins

    [1]

    Disco introduces an internal-market system that uses Will units to allocate work and connect activities with incentives.

  • 1999

    Disco enters the First Section of the Tokyo Stock Exchange

    [1]

    The company moves to the First Section of the Tokyo Stock Exchange in December.

  • 1989

    Disco enters the Japanese public market

    [1]

    The company is listed with the Japan Securities Dealers Association in October.

  • 1977

    The company adopts the Disco Corporation name

    [1]

    Daiichi-Seitosho changes its corporate name to Disco Corporation in May.

  • 1975

    DAD-2h cutting machine is introduced

    [1]

    Disco develops its own cutting machine because suitable equipment for the Microncut wheel was not available commercially.

  • 1968

    Microncut precision wheel is developed

    [1]

    Disco develops an ultra-thin resinoid cutting wheel containing diamond powder for sharper, more precise cutting.

  • 1937

    Daiichi-Seitosho is founded

    [1]

    The company is established in May as a manufacturer of industrial abrasive wheels.

Products and positioning

High-precision, technology-led semiconductor manufacturing equipment and consumables supplier

  • Semiconductor wafer separation equipment · 1975

    Dicing saws

    Dicing saws cut semiconductor wafers and other precision materials into individual dies. Disco’s dicing systems are designed for controlled kerf width, dimensional accuracy, and reduced damage during separation. They are used in semiconductor back-end processes and are paired with specialized blades and process conditions selected for the wafer material and application.

  • Laser-based semiconductor processing equipment

    Laser saws and laser processing systems

    Disco’s laser equipment uses controlled laser processing for cutting or otherwise separating semiconductor and electronic materials. Laser systems can support applications in which mechanical contact, tool wear, or conventional blade geometry presents limitations. The products extend the company’s precision-processing portfolio beyond mechanically abrasive cutting.

  • Wafer-thinning equipment

    Grinders

    Grinders reduce silicon and compound-semiconductor wafers to very thin dimensions. Wafer thinning is important for packaging, device integration, and weight or profile constraints. Disco’s grinding equipment is intended to provide controlled material removal while limiting wafer damage and maintaining the flatness and thickness uniformity required by downstream processes.

  • Wafer surface-finishing equipment

    Polishing machines

    Polishing machines remove the damaged layer created on the back side of a wafer during grinding and improve the wafer’s mechanical strength. The polishing stage contributes to surface condition and reliability before subsequent semiconductor manufacturing or packaging operations.

  • Precision abrasive cutting wheel · 1968

    Microncut

    Microncut is an ultra-thin resinoid cutting wheel developed in 1968 with diamond powder incorporated into the wheel. Its design enabled sharp, precise cuts for semiconductor-related applications and prompted Disco to develop compatible cutting machinery when suitable commercial equipment was unavailable.

Brand decisions

  • 2011

    Introduce the Will internal-market management systemStrategy

    Background

    Disco sought to apply market-style incentives and employee choice to the allocation of organizational work.

    Action taken

    The company introduced Will units, task bidding and selection, productivity-related rewards and deductions, and the Coliseum proposal event.

    Aftermath

    The model attracted interest from other companies and observers, while critics raised concerns about short-term incentives, gamification, and management control over the rules.

    • Sony — Sony studied the system but did not adopt it, according to the reference material.
    • Toyota — Toyota studied the system but did not adopt it, according to the reference material.
    • Panasonic — Panasonic studied the system but did not adopt it, according to the reference material.
  • 1975

    Develop the DAD-2h cutting machineProduct launch

    Background

    No suitable commercial machine was available to mount and operate the ultra-thin Microncut wheel.

    Action taken

    Disco developed and introduced its own precision cutting machine, the DAD-2h.

    Aftermath

    The machine received recognition from semiconductor companies, including Texas Instruments, strengthening Disco’s role as an equipment supplier.

  • 1968

    Develop Microncut for semiconductor precision cuttingProduct launch

    Background

    The company needed a thinner and more precise abrasive wheel for the emerging requirements of semiconductor wafer processing.

    Action taken

    Disco developed an ultra-thin resinoid wheel containing diamond powder and released Microncut.

    Aftermath

    The product created demand for compatible machinery and helped move Disco toward integrated semiconductor equipment development.

Recent events

  • Reported

    Culture Amp acquires Disco[2]

    Culture Amp announced that it had acquired Disco, a cultural values recognition company.

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Sources2 sources

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