X-ray source of pyroelectric crystal |
Title: |
X-ray source of pyroelectric crystal |
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Application Number: |
00123791 |
Application Date: |
2000/09/07 |
Announcement Date: |
2001/03/14 |
Pub. Date: |
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Publication Number: |
1287378 |
Announcement Number: |
1119828 |
Grant Date: |
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Granted Pub. Date: |
2003-8-27 |
ApplicationType: |
Invention |
State/Country: |
11[China|beijing] |
IPC: |
H01J 35/00 |
Applicant(s): |
Qinghua Univ. |
Inventor(s): |
He Yuanjin, Wan Niansheng |
Key Words: |
X-ray source, pyroelectric crystal |
Abstract: |
The present invention relates to one kind of X-ray source of pyroelectric crystal. The X-ray source casing has leads in one end and thin aluminum window in the other end. There are one heating pedestal with built-in heater in the center of the casing; one crystal set in the end near the window on the heating pedestal; one film target set belongs to the the crystal and the window; one refrigerator set inside the heating pedestal and opposite to the heater; and one heat radiator set outside the refrigerator and connected to casing. Being small and cheap, the crystal X-ray emitter of the present invention is suitable for use in various industrial sensor and portable instrument and especially in X-ray teaching demonstration and experiment instrument. |
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Relevancy information |
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Last Update |
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2008-4-17 |
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Selected patents owned by Tsinghua University filed in 2005 are loaded. |
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2008-3-31 |
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Selected patents owned by Tsinghua University filed in 2006 and 2007 are load. |
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