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  4. Dummy wafer (Toyominato Co., Ltd.)
Dummy wafer-Dummy wafer
Dummy wafer-Toyominato Co., Ltd.

Dummy wafer
Toyominato Co., Ltd.

Toyominato Co., Ltd.'s Response Status

Response Rate

100.0%

Response Time

7.7hours

Fast Response

About This Product

Dummy wafers are also called test wafers, and unlike product wafers, they are mainly used for equipment experiments and inspections. It is widely used for operational tests of manufacturing equipment, transportation tests, and mechanical evaluations (cutting, scraping, polishing, etc.).

■Characteristics of dummy wafer

Because they are often used in experiments and tests, they come in various sizes and thicknesses. Recycled wafers may also be used. Dummy wafers are also cheaper than particle-controlled silicon wafer products and can be shipped in small lots. In manufacturing equipment, the first few dummy wafers are introduced to improve process stability, and are used for optimization and monitoring of the manufacturing process. Although dummy wafers are not suitable for device manufacturing, they are suitable for monitoring and testing and are often used in place of new wafers. Dummy wafers are wafers that play an important role in testing and adjustment in all processes of wafer manufacturing.

  • Product

    Dummy wafer

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1 Models of Dummy wafer

Image Part Number Price (excluding tax) Surface finish Manufacturing method Crystal orientation Specific resistance (Ω・cm) Packing form Thickness tolerance (μm) Thickness (μm) Remarks Particles Notch/orientation flat direction Type Size (inc) Orientation flat or notch
Dummy wafer-Part Number-Dummy wafer

Dummy wafer

Available upon quote

Single-sided mirror (MP/ET) / Double-sided etched (ET/ET)
Double-sided mirror (MP/MP)

CZ/FZ

<100> / <111> / <110> / No question

0.005~ / No question

Coin roll/cassette case

20,25

280,380,525,625,625/675,725,775

Both JEITA and SEMI are compatible with 6-inch orientation flat standards.

No questions asked

<100> / <111> / <211> / No question

P type / N type / Unspecified

2,3,4,5,6,8,12

Orientation flat, notch or orientation flat, notch

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About Company Handling This Product

Toyominato Co., Ltd.

Response Rate

100.0%

Response Time

7.7hrs

  • Japan

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Silicon Wafers
Silicon Wafers　Toyominato Co., Ltd.
Toyominato Co., Ltd.

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