Field investigations and dynamic measurements of process activity induced VOCs inside a semiconductor cleanroom

Rih Sheng Jian, Tse Yu Wang, Lung Yu Song, Chun Yen Kuo, Wei Cheng Tian, Ei Wen Lo, Chia-Jung Lu

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Volatile organic compounds (VOCs) inside a semiconductor cleanroom and the concentration changes with indoor process activities are investigated. The species of volatile organic compounds (VOCs) were identified using canister/GC-MS analyses. The persistent existing VOCs inside the cleanroom of a field study included acetone, isopropanol, n-hexane, toluene, m-xylene, and anisole. A micro gas chromatograph (μGC) equipped with a high-ratio mini-preconcentrator and a photo-ionization detector was tuned for the onsite analysis for these target VOCs. As the use of isopropyl alcohol and acetone occurred at different times, the concentrations of these two chemicals surged to hundreds of ppb and were recorded by the μGC in a real-time manner. In addition, the time-dependent concentration of n-hexane was found to be highly correlated to isopropanol. The rapid establishment of a large amount of data for individual VOCs enabled the observation of activity related changes for these chemicals inside a cleanroom.

Original languageEnglish
Pages (from-to)287-295
Number of pages9
JournalBuilding and Environment
Volume94
Issue numberP1
DOIs
Publication statusPublished - 2015 Dec 1

Fingerprint

Volatile organic compounds
volatile organic compound
Semiconductor materials
Hexane
acetone
Acetone
Gases
gas
alcohol
Photoionization
xylene
Xylene
toluene
Toluene
ionization
Alcohols
semiconductor
time
Detectors
chemical

Keywords

  • Environmental monitoring
  • Indoor air quality
  • Micro GC
  • Semiconductor cleanroom
  • VOCs

ASJC Scopus subject areas

  • Environmental Engineering
  • Civil and Structural Engineering
  • Geography, Planning and Development
  • Building and Construction

Cite this

Field investigations and dynamic measurements of process activity induced VOCs inside a semiconductor cleanroom. / Jian, Rih Sheng; Wang, Tse Yu; Song, Lung Yu; Kuo, Chun Yen; Tian, Wei Cheng; Lo, Ei Wen; Lu, Chia-Jung.

In: Building and Environment, Vol. 94, No. P1, 01.12.2015, p. 287-295.

Research output: Contribution to journalArticle

Jian, Rih Sheng ; Wang, Tse Yu ; Song, Lung Yu ; Kuo, Chun Yen ; Tian, Wei Cheng ; Lo, Ei Wen ; Lu, Chia-Jung. / Field investigations and dynamic measurements of process activity induced VOCs inside a semiconductor cleanroom. In: Building and Environment. 2015 ; Vol. 94, No. P1. pp. 287-295.
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