![[??????]???? ????… ???? ??? ????](https://dimg.donga.com/a/284/160/95/2/wps/NEWS/IMAGE/2017/12/26/87910713.1.jpg)
[??????]???? ????… ???? ??? ????
... 001? ??? ?? ?? ?? ?? ??? ... ??”??? ???. ??? ?? ?? ?? ?? ???. HEPA·ULPA? ??? ???, ??? ?? ??? ??, ???? ?? ? ?? ...
- 2017-12-27
- ??? ?
- ??? ?
??5?
![[??? ??]??? ????, 3?? ???? ???? ??](https://dimg.donga.com/a/284/160/95/2/wps/NEWS/IMAGE/2017/10/24/86922654.2.jpg)
[??? ??]??? ????, 3?? ???? ???? ??
... ?? ??? ?? HEPA ??? ULPA ?? 2?? ???? ????, ULPA ?? ??? ???-??? ??? ?? ????? ? 80%? ???? ??. ‘???-??? ULPA’ ?????? ...
- 2017-10-25
- ??? ?
- ??? ?
![[??? ??]??? ????, ?? ???? ????](https://dimg.donga.com/a/284/160/95/2/wps/NEWS/IMAGE/2017/10/24/86922098.2.jpg)
[??? ??]??? ????, ?? ???? ????
... ULPA’ ?????? ?? HEPA ?? ?? ULPA ??? ??? ????. ULPA ??? 0.1μm ????? ?? ??? ? 99.99% ??? ???? ???. ????? ???, ?? ?? ? ...
- 2017-10-25
- ??? ?
- ??? ?
![[??? ??]??? ‘ULPA ??’? ??????? ???](https://dimg.donga.com/a/284/160/95/2/wps/NEWS/IMAGE/2017/04/15/83870298.2.jpg)
[??? ??]??? ‘ULPA ??’? ??????? ???
... ?? ??? ?? HEPA ??? ULPA ?? 2?? ???? ????, ULPA ?? ??? ??? ??? ??? ?? ????? ? 80%? ???? ??. ‘???-??? ULPA’ ?????? ...
- 2017-04-17
- ??? ?
- ??? ?
“?? ??? ?? ??? ??” …???? ‘????’
... ???? ??? 4? ??? ???? ??. ?? ???? ?? ??? ???? ????(ULPA)? ?? 0.1μm? ??? 99.99%?? ??? ? ?? ??? ????. ?? ???? 0. ...
- 2006-03-17
- ??? ?
- ??? ?
???2?
????? ???-??? ULPA ?????
... ??? ????, ULPA ??? ??? ... ??? ULPA ?? ????? ????? ???? ?? ??? ??? ???? ULPA ??? ?? ??? ?????? ????. ?? ...
- 2017-05-01
?? ???? ????
... ???. ??? ?? ???? ?? ?? ?? ??? ??? ... ??? ?????. ????? ?? ? ?? ? ?? ??? ??(ULPA·Ultra-Low Penetration Air)?? ???? ??? ...
- 2013-03-25