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  3. ウィル 本社
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Manufacturing and processing contract
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ウィル 本社

EstablishmentSeptember 1993
capital1000Ten thousand
number of employees90
addressKyoto/Seika-cho, Soraku-gun/Kōtai 3-7-1
phone0774-95-3931
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last updated:Oct 03, 2025
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高精度カテーテルチップ 高精度カテーテルチップ
コンタクトプローブ コンタクトプローブ
高精度コネクタ部品 高精度コネクタ部品
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Contact probe components for semiconductor electrical testing | ±0.005mm processing

Supports from a minimum diameter of φ0.05mm to mass production of tens of thousands of units. Contributes to quality stability and yield improvement in semiconductor testing with high-precision micro-machining of ±0.005mm.

The downloadable materials introduce high-precision cutting examples of fine contact probe components used in semiconductor electrical inspection processes. With the miniaturization and high-density of semiconductor devices, fine probe components require fine diameters, high precision, and stable supply. Our company achieves dimensional accuracy of ±0.005mm across a wide size range from φ0.05 to φ10mm through the optimization of processing conditions specialized for fine component machining and know-how based on material characteristics. We can handle everything from prototypes to mass production (tens of thousands of units) with consistent quality. 【Product Specifications】 ■ Application: Contact probe components for semiconductor electrical inspection ■ Machining Range: φ0.05 to φ10mm ■ Dimensional Accuracy: ±0.005mm ■ Quantity Supported: Prototypes to mass production (tens of thousands of units) ■ Processes Supported: Cutting, cleaning, inspection 【Supported Materials】 Brass, beryllium copper, phosphor bronze, SK materials, Pd, SUS, etc. We conduct dimensional measurements, appearance inspections, and surface condition checks using image inspection machines, establishing a consistent quality management system from processing to inspection. If you are facing challenges with fine machining, precision cutting, or mass production of semiconductor inspection components, please feel free to consult us. *For more details, please download the PDF materials.

  • Processing Contract
  • Contract Inspection

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High-precision connector parts micro-machining | ±0.005mm tolerance, mass production compatible

Stable support from microprocessing of φ0.1mm to mass production. Examples of machining high-precision connector parts achieving a tolerance of ±0.005mm.

In the downloadable materials, we introduce our high-precision connector components and examples of fine machining. We address challenges such as dimensional variation, fitting defects, and unstable precision during mass production in connector components for electronic devices. 【Overview】 Processing range: φ0.1 to φ10.0mm Dimensional tolerance: ±0.005mm Supported quantities: Prototyping to mass production Supported materials: Brass / Beryllium copper / SUS / Phosphor bronze, etc. Supported processes: Machining / Cleaning / Heat treatment / Plating / Inspection 【Technical Features】 ■ High-precision machining using NC automatic lathes ■ Capable of fine machining at the level of Φ0.05 and ultra-small parts under 1mm in length ■ Strict quality control using image measurement devices and three-dimensional measuring machines ■ Optimal processing condition settings based on tool wear and material characteristics by skilled technicians 【Benefits of Implementation】 ■ Significant reduction in fitting defects ■ Stabilization of dimensions after plating ■ Reduction of contact resistance ■ Capable of meeting quality requirements at aerospace and medical levels Our integrated production system from machining to surface treatment ensures stable supply and quality improvement. This is an ideal processing solution for companies struggling with mass production of fine machining and high-precision connector components. *For more details, please download the PDF materials.

  • Processing Contract
  • Contract Inspection

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[Processing Example] Achieving high-precision processing and quality stabilization of catheter tips.

By integrating processes from machining to inspection and cleaning through an in-house consistent system, we can provide products with short delivery times and high quality!

We would like to introduce a case study that achieves both high-precision processing and quality stabilization of SUS316 catheter tips. The SUS316 tips used as the tip components of medical catheters faced challenges with variations in dimensional accuracy and surface roughness. By combining high-precision cutting technology using NC automatic lathes with a measurement system utilizing image measurement devices, we have realized stable processing of SUS316. The variations in dimensional accuracy and surface roughness have been significantly improved. 【Case Overview】 ■Challenges - During the mass production process, we were unable to ensure processing stability of the difficult-to-cut material SUS316, leading to issues with quality variations and an increase in the rejection rate during inspection processes. ■Results and Effects - Mass production of the difficult-to-cut material SUS316 has become possible, leading to successful product commercialization. - The rejection rate during inspection processes has decreased, achieving quality stabilization. - This has resulted in increased reliability from medical device manufacturers and continued orders. *For more details, please download the PDF or feel free to contact us.

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  • Processing Contract
  • Contract Inspection

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High-precision connector components (micro-machining and surface treatment compatible)

With our self-managed overseas inspection system, we can flexibly respond to export requirements and international quality demands!

This product is a high-precision connector component compatible with fine machining at the φ0.05 level. It minimizes variations between processes through an integrated in-house system and supports short delivery times. By achieving both fine machining and surface treatment, it realizes contact reliability and long lifespan, making it suitable for high-precision and high-reliability components in the aerospace and medical fields. It can also accommodate ultra-small components with a total length of less than 1mm, making it suitable for high-frequency and microcurrent measurement applications. 【Features】 ■ Compatible with fine machining at the φ0.05 to φ10 level ■ Numerous manufacturing achievements for ultra-small components with a total length of less than 1mm ■ Capable of processing holes with a minimum diameter of φ0.1 ■ Supports specified plating thicknesses such as Ni-P/Au/PdCo/Rh ■ Signal stability and durability achieved through a combination of heat treatment and surface treatment ■ Integrated in-house system from high-precision machining to surface treatment ■ Global quality system by in-house inspection companies at overseas bases ■ Proven supply record in aerospace and medical fields where high reliability is required *For more details, please feel free to contact us.

  • Other Connectors

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Contact probe

Support for micro-machining at the φ0.05 level! A consistent manufacturing system from high-precision machining to surface treatment.

The "contact probe" is a component used for probe pins in the electrical inspection process of semiconductor wafers and IC packages. It achieves stable processing accuracy even with extremely small diameters and short dimensions, making it suitable for fine electrodes and precision contact parts. It balances short delivery times and quality stability through in-house completion, minimizing variations between processes. Additionally, it ensures both signal stability and durability through heat treatment and various plating processes (Ni-P, Au, AuCo, Pd, Rh), achieving contact reliability and long lifespan in high-frequency and microcurrent measurements. 【Features】 - Supports precision cutting processing from a material diameter of φ0.6mm - Numerous manufacturing achievements for fine parts with a minimum processing diameter of φ0.05 and a total length of less than 1mm - Drilling processing can accommodate a minimum diameter of φ0.1 - Thickness specifications can be accommodated for various platings such as Ni-P, Au, PdCo, and Rh, and heat treatment is also supported - A comprehensive in-house system from high-precision processing to surface treatment - By collaborating with our inspection company located overseas, we have established a high-quality system that meets global quality standards *For more details, please feel free to contact us.

  • probe

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High-precision catheter tip (compatible with difficult-to-cut materials and micro-machining)

Achieving stable machining accuracy and surface quality even with difficult-to-cut materials! A system capable of comprehensive support from surface treatment to cleaning and inspection.

This product is a high-precision medical catheter tip that is compatible with difficult-to-machine materials such as SUS316 and SUS304. It achieves a machining precision of ±0.01mm within an outer diameter range of φ1 to 5mm and can accommodate a surface roughness of Ra0.8. The fine processing of the tip shape ensures both insertability and safety within body cavities and blood vessels. Our in-house integrated system enables short delivery times and high quality, with a proven track record and reliability in the medical device field. 【Features】 ■ High-precision machining of small-diameter precision parts from φ1 to φ5 using NC automatic lathes ■ Stable maintenance of dimensional accuracy of ±0.01mm even with difficult-to-machine materials like SUS316 and SUS304 ■ Surface roughness and dimensional measurement system using image measuring instruments ■ Consistent support from prototype to mass production, achieving short delivery times and stable quality ■ ISO9001 certification obtained, establishing a quality assurance system from order to delivery ■ In-house integrated support available for surface treatment, cleaning, and inspection *For more details, please feel free to contact us.

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