Vacuum device, preparation method, and suction unit |
Title: |
Vacuum device, preparation method, and suction unit |
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Application Number: |
200510035140 |
Application Date: |
2005/06/03 |
Announcement Date: |
2006/12/06 |
Pub. Date: |
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Publication Number: |
1873891 |
Announcement Number: |
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Grant Date: |
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Granted Pub. Date: |
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ApplicationType: |
Invention |
State/Country: |
11[China|beijing] |
IPC: |
H01J 29/94, H01J 7/18, H01J 9/39 |
Applicant(s): |
Tsinghua Univ. |
Inventor(s): |
Liu Liang, Tang Jie, Du Bingchu, Guo Lailin, Hu Zhaofu, Chen Pijin, Fan Shoushan |
Key Words: |
Vacuum device, preparation method, suction unit |
Abstract: |
The vacuum device includes a wallboard, and suction unit with no evapotranspiration type getter connected to the wallboard. The getter is a solid in strip shape. The suction unit is setup on surface of the wallboard faced to inside the vacuum device. Features are: simple structure and small size of the suction unit so as to save cost of production. Reasonable and sufficient suction channels maintain vacuum degree inside the vacuum device effectively. The invention also discloses method for manufacturing the vacuum device as well as the suction unit. |
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Priority: |
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PCT: |
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