Product Center
Semiconductor Series
Process Tube, Boat, Ring, Window, Liner, Nozzle, Dome, Bell Jar, etc. Used in semiconductor oxidation, diffusion, epitaxy, etching, cleaning and other processes
Product Center
Optical Series
Interferometer primary mirror, coating ring, polishing sheet, window, gold-plated sheet, laser glass, etc. The products are widely used in optics, vacuum equipment, coating, laser, LED and other fields.
Product Center
Optical Communication Series
Optical fiber preform tail handle, furnace core tube, blowtorch, etc. Used in optical fiber production process.
Product Center
Photovoltaic Series
Quartz furnace tubes, quartz boats, quartz furnace doors, source bottles, thermocouple tubes, etc. Used in solar TOPCon diffusion process.
Product Center
Photomask Substrate Series
Hefei Guangwei is committed to the finishing business of photomask substrates for TFT-LCD and IC.
Product Series
|
Outside diameter
|
Outside diameter tolerance
|
|---|---|
|
Φ＜5
|
±0 .1
|
|
5 ＜Φ＜ 16
|
±0 .3
|
|
16 ＜Φ＜ 30
|
±0 .3
|
|
30a ＜Φ＜ 60
|
±0 .3
|
|
60 ＜Φ＜90
|
±0 .3
|
|
Outside diameter
|
Outside diameter tolerance
|
Wall thickness
|
Wall thickness tolerance
|
length
|
|---|---|---|---|---|
|
300≤Φ≤400
|
± 1
|
5-7
|
± 0 .5
|
1000 - 7000
|
|
400＜Φ≤500
|
± 1 .5
|
5-7
|
± 0 .8
|
1000 - 7000
|
|
500＜Φ≤600
|
± 1 .5
|
5-7
|
± 0 .8
|
1000 - 7000
|
