X-ray source of pyroelectric crystal
Title:
X-ray source of pyroelectric crystal
Application Number:
00123791
Application Date:
2000/09/07
Announcement Date:
2001/03/14
Pub. Date:
Publication Number:
1287378
Announcement Number:
1119828
Grant Date:
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.
Claim:
Priority:
PCT:
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