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[China]
Trade Verify
Address: Room 1106, CIBC, No.198 Wuxing Rd, Hangzhou, P.R.China
Contact name:Xu
Hangzhou Freqcontrol Electronic Technology Ltd. |
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Verified Suppliers
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We specialize in fabricating series of glass materials, including fused quartz, synthetic quartz, borosilicate glass, sodium calcium glass, low expansion glass, low alkali glass, etc., covering infrared, visible light, ultraviolet multiple bands, can be processed into excellent optical window material, base plate, etc.
Material Brand
Schott | Borofloat33 / BK7 / B270 / D263 etc. |
Corning | Eagle XG , Fused Silica 7980 / 7978 / 7979 etc. |
Feilihua | Fused Silica JGS1 / JGS2 & Single quartz etc. |
Ohara | SK-1300 |
GM | H-K9L / Soda Lime etc. |
Processing Capacity
Specification | unit | 3” | 4” | 5" | 6" | 8" | 12" |
| Diameter (or Square) | mm | 76.2 | 100 | 125 | 150 | 200 | 300 |
| Tol(±) | mm | <0.1~0.25 mm | |||||
| Thinnest Thickness | mm | >0.10 | >0.18 | >0.30 | >0.30 | >0.30 | >0.50 |
| Primary Flat | mm | 22 | 32.5 | 42.5 | 57.5/notch | notch | notch |
| LTV (5mmx5mm) | µm | <2 | <2 | <2 | <2 | <2 | <10 |
| TTV | µm | <5 | <5 | <5 | <5 | <10 | <10 |
| Bow | µm | ±15 | ±20 | ±30 | ±60 | ±60 | ±60 |
| Warp | µm | <15 | <20 | <30 | <40 | <70 | <70 |
| PLTV(<0.5um) | % | ≥95%(5mm*5mm) | |||||
| Transmittance | UV, Optical, IR or Custom option | ||||||
| Edge Rounding | mm | Compliant with SEMI M1.2 Standard/refer to IEC62276 | |||||
| Surface Type | Single Side Polished / Double Sides Polished | ||||||
| Polished side Ra | nm | <1.0nm or per requested | |||||
| Back Side Criteria | µm | General is 0.2-0.5µm or as customized | |||||
| Appearance | Contamination | None | |||||
| Particles >0.3µm | <=30 | ||||||
| Saw Marks, striations | None | ||||||
| Scratch | None | ||||||
| Cracks, crowsfeel saw marks, stains | None | ||||||
Acceptance Check
1. The product is fragile. We have adequately packed it and labeled it fragile. We deliver through excellent domestic and international express companies to ensure transportation quality.
2. After receiving the goods, please handle with care and check whether the outer carton is in good condition. Carefully open the outer carton and check whether the packing boxes are in alignment. Take a picture before you take them out.
3. Please open the vacuum package in a clean room when the products are to be applied.
4. If the products are found damaged during courier, please take a picture or record a video immediately. DO NOT take the damaged products out of the packaging box! Contact us immediately and we will solve the problem well.
