JIS B 9920-1:2019
Cleanrooms and associated controlled environments -- Part 1: Classification of air cleanliness by particle concentration

Standard No.

JIS B 9920-1:2019

Release Date

2019

Published By

Japanese Industrial Standards Committee (JISC)

Latest

JIS B 9920-1:2019

Replace

JIS B 9920:2002

JIS B 9920-1:2019 history

• 2019 JIS B 9920-1:2019 Cleanrooms and associated controlled environments -- Part 1: Classification of air cleanliness by particle concentration
• 2002 JIS B 9920:2002 Classification of air cleanliness for cleanrooms
• 1989 JIS B 9920:1989 Measuring methods for airborne particles in clean room and evaluating methods for air cleanliness of clean room