Quartz Lead Co., Ltd.

+81-24-963-1711

+81-24-963-1712

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  • Location 〒963-0215
    1-15-4, Machiikedai, Koriyama City, Fukushima
  • Representative President and Representative Director, Koji Yahiko
  • Foundation 2001
  • Capital 95 Million Yen
  • Number of employees 87
  • Industry Ceramic, stone and clay products

Business Overview


* Manufacturing and processing of quartz tanks and related components for semiconductor cleaning equipments
* Manufacturing and processing of quartz products for semiconductor production equipments


* Cutting and processing of large mask blanks used for manufacturing FPD

Product / Commodity Name

* Offer highly precise quartz tanks with absolute regularity in water flow, enabling you to fully clean fine dirt on wafer surfaces such as metallic and organic contamination
* Manufacture components for wafer thermal processing systems
* Supply quartz products for 300mm wafers such as furnace core pipes, boards, and caps all of which are used in the semiconductor manufacturing process
* Slice a wide range of materials such as large mask blanks used for manufacturing FPD, fused quartz, and crystalline materials which require high production yield ratio as well as high surface accuracy
* Large chambers with high accuracy and durability are essential for LED, LCD and solar cells manufacturing processes that utilize the latest technologies. We offer you square/cylinder shaped large production chamber BIG CHAMBER, which we achieved our production with utilizing our know-how on processing quartz glass.

Message from a Representative

“All the employees have to be skilled engineers” ? This is the corporate philosophy of Quartz Lead Co., Ltd. Our employees’ skills play a prominent role in our manufacturing. We, however, do not stick to manufacture only one but a variety of products that customers need. We have to ensure that all off our engineers have outstanding skills to manufacture high quality products to achieve a stable supply of such products. We have made the best efforts into enhancing engineering skills and working environment since we were founded, achieving drastic increase in the number of products to be manufactured per month. We believe our mission includes making each engineer consider how to resolve issues the earth is encountering to work on reducing environmental burdens. We will lead the future of quartz products as our company name “Quartz Lead” goes and pursue environment-friendly manufacturing processes.

Technology You Want to Offer

Our manufacturing philosophy is to achieve micro-order precision through combining engineers’ skills with machine technologies. We strive to continue responding to the needs of the times like preparing a reliable service scheme.

Machinery and/or Equipments You Own

Name of Machinery and/or Equipments Manufacture and Model Main Specs (size, features etc) # of Units
Name of Machinery and/or Equipments

Laser processing equipment

Manufacture and Model

Main Specs (size, features etc)

Accuracy; 0.01mm

# of Units

3

Name of Machinery and/or Equipments

Surface grinding machine. External cylindrical grinding machine. Universal grinding machine

Manufacture and Model

Main Specs (size, features etc)

# of Units

10

Name of Machinery and/or Equipments

Processing lathe. Automatic lathe. Bench lathe

Manufacture and Model

Main Specs (size, features etc)

Max. diameter: 700mm

# of Units

8

Name of Machinery and/or Equipments

Surface grinding machine

Manufacture and Model

Main Specs (size, features etc)

# of Units

9

Name of Machinery and/or Equipments

Wire slicing machine

Manufacture and Model

Main Specs (size, features etc)

Slicing size: φ50mm-2000mm x 1700mm. Slicing thickness: 0.75mm ? 18mm

# of Units

3

Name of Machinery and/or Equipments

Electric furnace

Manufacture and Model

Main Specs (size, features etc)

# of Units

12

Name of Machinery and/or Equipments

Coordinate measuring machine

Manufacture and Model

Main Specs (size, features etc)

Accuracy: 1um

# of Units

3

Name of Machinery and/or Equipments

Ultrasonic thickness gage

Manufacture and Model

Main Specs (size, features etc)

# of Units

2

Name of Machinery and/or Equipments

Surface texture measuring instrument. Strain viewer

Manufacture and Model

Main Specs (size, features etc)

# of Units

6

Name of Machinery and/or Equipments

Water purifier. Wastewater treatment equipment

Manufacture and Model

Main Specs (size, features etc)

# of Units

5