Nikon 4425i Stepper for Sale

SDI fabsurplus.com is pleased to announce the availability of the following listed used Nikon 4425i Stepper.
Please click on the "Send More Details" button at the end of the 4425i description, if you'd like to get more details, photos and specifications of this Stepper, and your request for this equipment will be forwarded to our SDI sales representatives automatically.
This Nikon 4425i Stepper is available for immediate sale.
Crating, refurbishment and delivery for this equipment can be quoted on request.

Nikon 4425i Equipment Details

SDI ID: 101813
Manufacturer: Nikon
Model: 4425i
Description: Stepper
Version: 150mm
Vintage: Inquire
Quantity: 1
Sales Condition: inquire
Lead Time: 1 month
Sales Price: Inquire


Wafer size: 6” (GaN)

Wavelength: i-line (365 nm)

Minimum resolution: ≤ 0.7 μm

Projection ratio: 2.5: 1 or 5: 1

Alignment accuracy: ≤ 100 nm

Maximum exposure area: ≥ 40 × 40 mm

Focus depth: ≥ 0.7 μm

Focus maintaining accuracy: ≤ ± 350 nm

Autofocus repeatability: ≤ ± 0.2 μm

Autofocus stability: ≤ ± 0.3 μm

Accuracy of maintaining the projection size: ≤ ± 30 nm

Illumination uniformity over the maximum exposure area: ≤ ± 1.5%

Table positioning accuracy (Stepping Precision): ≥ 70 nm (3sigma)

Lens distortion: ≥ ± 50 nm

Reticle size: 6”

Productivity: ≥ 40 wafers / hour

Installation and 6 months warranty included

Attachments: 17 Files
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The data provided herein is not an offer capable of acceptance.
The information contained on this page is, to our knowledge and information, accurate, but it may contain errors and therefore we do not warrant the completeness or accuracy of the information contained on this page.
Any offer by you to purchase the equipment described on this page shall be subject to our standard terms and conditions of sale.

July 2021 Update
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