What level of precision can be achieved with surface polishing?-Shanghai Xuanfeng Optoelectronic Technology Co., Ltd.

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What level of precision can be achieved with surface polishing?

2026-08-25

We specialize in high-precision flat‑surface machining. Our standard batch‑production specifications are as follows: ① Surface figure accuracy: PV (peak-to-valley) can reach λ/20 or better (λ = 632.8 nm), depending on the material and process. ② Surface finish: Can achieve 10/5 or higher, with no surface defects such as pitting or scratches. ③ Parallelism: Can be controlled to within seconds of arc or to a thickness difference of sub‑micron levels, according to customer‑specified drawing requirements.

We specialize in high-precision flat‑surface machining. The standard production specifications for batch manufacturing are as follows:
① Surface figure accuracy: The PV value (peak-to-valley) can reach λ/20 or even better (λ = 632.8 nm), depending on the material and manufacturing process.
② Surface finish: Can reach 10/5 or even higher, with no surface defects such as pitting or scratches.
③ Parallelism: Can be controlled to within seconds (in angular deviation) or micrometer‑level thickness differences, as specified in the customer’s drawings.

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What materials can the company primarily process?

Why are the processing costs of infrared materials (such as germanium and silicon) higher than those of glass?

What materials can the company primarily process?

Why are the processing costs of infrared materials (such as germanium and silicon) higher than those of glass?

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