VIMFUN / KNOWLEDGE CENTER
Optical Manufacturing Knowledge Center
Practical guides to optical cutting, grinding, polishing and inspection—from material selection to process troubleshooting.
- Process Technology
Germanium hit $8,500 per kilogram in mid-2026. That’s more than double the price two years ago. At that rate, every tenth of a millimeter of germanium lens kerf
- levy
- Process Technology
After cutting and centering, a germanium blank is flat — a disc with parallel surfaces, correct diameter, and clean edges. But a flat disc is not a lens.
- levy
- Process Technology
Ra 5 nm is not an exotic number for germanium. It is a class of finish that established polishing chemistry reaches routinely — and that a badly controlled
- levy
- NEWS & INSIGHTS
Ever wondered how manufactures carve beautiful rings out of hard metals or ceramics? I have been in the best CNC ring cutting machine industry for over 8 years.
- FriendStudio
- NEWS & INSIGHTS
Can you grind a material that breaks at the wrong pressure – and is worth more than gold? I have been working on infrared optics for more than
- FriendStudio
- NEWS & INSIGHTS
How to cut expensive, delicate germanium without shattering it? I have worked in the production of infrared optics and the manufacture of optical lens blanks for more than
- FriendStudio
- NEWS & INSIGHTS
Can your cutter cut coated optical glass safely? I have more than 12 years expertise in optical filter cutting machines and precision optical machining. I’ve seen how the
- FriendStudio
- Material Solution
ZnSe focus lens manufacturing is the production of curved zinc selenide optics that converge a CO₂ laser beam to a precise focal point — typically inside a laser
- levy
- NEWS & INSIGHTS
What causes a sudden breakdown of a germanium wafer slicing machine? I have over 6 years experience in semiconductor wafer manufacturing. “I’ve seen manufacturers lose a lot of
- FriendStudio
- NEWS & INSIGHTS
How can you achieve a flawless surface on an IR lens? I have over 15 years of experience in the infrared optics manufacturing industry. I’ve seen a lot
- FriendStudio
- Material Solution
ZnSe window double sided lapping is the planar surface preparation step that brings a cut zinc selenide blank into the flatness, parallelism, and surface finish range required by
- levy
- Company Info
China Optical Cutting Machinery Export | Vimfun Vimfun · Export & support REF / ABOUT-06 China Optical Cutting Machinery Export — to 20+ countries, with the support to
- Daria
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