Nanofiber filter facemasks and cabin filters
- 總結
- A filtration medium includes a fine filter layer having a plurality of nanofibers and a coarse filter layer having a plurality of microfibers attached to the fine filter layer. The coarse filter layer is positioned proximal to a direction of fluid flow, and the fine filter layer is positioned distal to the direction of fluid flow.
- 主要類別
- 電子
- 細分類別
- 計算機，通信和消費電子產品 /小工具
- 申請號碼
- US2007740513A
- 其他
- LEUNG Woon-fong, Wallace
- 國家/地區
- 美國
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