About 8,000 types of vacuum components in stock at all times.Business Hours： 9:00-18:00, excluding weekends and holidays
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- Cosmotec for Vacuum Components
- Viewport
- Borosilicate
- VF250 Kovar® glass viewport
- Cosmotec for Vacuum Components
- Vacuum Component
- JIS VF / VG standards
- Viewport
- VF250 Kovar® glass viewport
- Cosmotec for Vacuum Components
- Vacuum Component
- NW / KF standard
- Viewport
- VF250 Kovar® glass viewport
- Cosmotec for Vacuum Components
- Vacuum Component
- ICF standards
- Viewport
- VF250 Kovar® glass viewport
VF250 Kovar® glass viewport
▼Viewport Borosilicate Glass (Kovar®)
Borosilicate glass/Duran®: for visual inspection inside the chamber
Materials such as quartz and sapphire are available for optical use
▼ The following types are standardized
Flanges: NW/KF, ICF, JIS-VF, JIS-VG, CeFiX®, Sanitary
Window materials are Borosilicate glass, Borosilicate glass
Sapphire (Al2O3),.
Fused silica (SiO2),.
Synthetic Quartz ( SiO2),.
Magnesium Fluoride (MgF2),.
Calcium Fluoride (CaF2),
Barium Fluoride(BaF2)
Germanium (Ge),.
Zinc Selenide (ZnSe),.
lead glass as standard products.
Non-magnetic flanges (titanium, SUS316L) are also available.
Viewports that can be opened and closed (list) is also available.
▼Options (ICF flange only)
Viewport cover (List)
Viewport Shutter(List)
▼Custom-made products are also available.
We can change the window material and flange size. AR coating is also available. Please contact us by clicking the "Inquiry" button on the right side of the page.
※When requesting AR coating, please let us know the wavelength used, and if laser resistance is required, please let us know the details of the laser to be used.
| Basic Information | |
|---|---|
| Flange material | SUS 304 |
| window | Borosilicate glass |
| Maximum temperature | 350℃ |
| Leak rate | <1.0x10-8Pa･㎥/sec |
| RoHS2 corresponding | ○ |
front.product.product_code Model |
NW/KF | ICF | VF | VG | ISO-K | A | T (glass thickness) | V (effective diameter) | H1 | H2 | G1 | G2 | Hole diameter(depth) | Number of holes | O-ring standard | Stock & Delivery |
front.product.price front.product.tax_included2 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| - | - | 250 | - | - | 350 | 8 | 136 | 17.4 | 16 | - | - | φ15 | 12 | V275 | |||
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| NW/KF | ICF | VF | VG | ISO-K | A | T (glass thickness) | V (effective diameter) | H1 | H2 | G1 | G2 | Hole diameter(depth) | Number of holes | O-ring standard |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| - | - | 250 | - | - | 350 | 8 | 136 | 17.4 | 16 | - | - | φ15 | 12 | V275 |
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フランジ
RoHS2 Download
Download the RoHS2 compliance report for the following products.
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