The selection of cleanroom oil products is a specialized knowledge that involves many complex factors that must be fully considered before making correct judgments. Therefore, we must first understand the level of the cleanroom (Note 1), and then use the equipment to select the appropriate oil products, but also must meet the cost and absolute safety. Weideng Industrial categorizes the following cleanroom grades for various processes in different industries. You are welcome to contact us. We can recommend the best oil products according to the customers' environment and needs.
Note 1: Cleanroom classification chart
classification | Process object | Cleanliness level |
---|---|---|
Semiconductor factory | Crystallization refining | 1,000~10,000 |
Wafer Manufacturing | 10~10,000 | |
Diffusion | 10~100 | |
Wafer surface treatment | 10~1,000 | |
Lithography | 10~100 | |
Chip Manufacturing | 10~1,000 | |
Assembly, inspection | 100~100,000 | |
Storage of semi-finished products | 10,000~100,000 | |
Electronic industry | Large drums, tapes | 100~1,000 |
The Shade mask | 100~10,000 | |
Reliable Tube | 100~1,000 | |
LCD factory | 1,000~100,000 | |
Precision measuring instruments | 1,000~100,000 | |
Precision machinery | Miniature Bearing | 100~1,000 |
Watches, measuring instruments | 1,000~100,000 | |
The High-reliability parts and devices | 100~100,000 | |
Optical ‧Printing | LENS (grinding, laminating) | 100~100,000 |
Film, printing plate | 100~10,000 | |
LSI mask | 10~100 | |
Ultra-precision printing | 100~10,000 | |
Aerospace Technology ‧Others | Gyroscope | 100~1,000 |
Satellite Parts | 1,000~10,000 | |
Radar transmitter | 10~1,000 | |
Packaging materials, containers | 100~100,000 |