The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 16, 2008

Filed:

Feb. 27, 2006
Applicants:

Chih-yu Chao, Taipei, TW;

Wen-jiunn Hsieh, Taipei County, TW;

Inventors:

Chih-Yu Chao, Taipei, TW;

Wen-Jiunn Hsieh, Taipei County, TW;

Assignee:

Contrel Technology Co., Ltd., SinShin Township, TW;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 37/18 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method of operating liquid in a vacuum or low-pressure environment and observing the operation and a device for the operation and the observation respectively, including the steps of preparing a housing, putting the housing in the vacuum or low-pressure environment and keep a predetermined temperature difference between liquid, vapor, and buffer chambers, infusing vapor into the vapor chamber through a gas inlet and control the vapor pressure inside the vapor chamber to be equal to the saturated vapor pressure of a liquid specimen inside the liquid chamber under the same temperature to prevent the inside liquid from volatilization, and evacuating the buffer chamber through the pumping port to pump out the vapor and prevent the vapor from exhausting through outer apertures out of the housing. A probing source can pass through the outer, inner, and vapor apertures for observation and analysis of the liquid specimen inside the liquid chamber.


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