Floors |
Use antistatic flooring materials with a surface resistance of 1x105 to 1x1010Ω or antistatic mats |
Bench tops |
Use work surfaces with a surface resistance of 1x105 to 1x1010Ω |
Chairs |
Use chairs with a resistance to ground of 1x105 to 1x108Ω |
Carts (When carrying products without static electricity protection) |
Wafer charge voltage: Use of carts with charge voltage controlled to less than ±300V |
Apply antistatic mats to shelves and ground to floor (resistance to ground of 1x105 to 1x1010Ω) |
Storage shelves |
Store wafers in box. Shelves are either grounded or have charge voltage of less than 20kV. |
Use grounded shelves with a surface resistance of 1x105 to 1x1010Ω |
Work clothes, dust proof clothes |
Wear antistatic clothes with surface resistance of 1x105 to 1x1011Ω |
Shoes |
Antistatic shoes that meet the following specification: Surface resistance of 1x105 to 1x1010Ω |
Wrist strap |
- |
Straps that meet the following specification: Resistance to ground of 1x105 to 1x107Ω |
Finger stalls |
- |
Use stalls that meet the following specification: Surface resistance of 1x105 to 1x1010Ω |
Gloves |
Use gloves made from materials that are charge resistant. Surface resistance of 1x105 to 1x1011Ω |
Equipment |
For electrically powered equipment, use grounded equipment |