Continuous pressurizing device

A pressure device, piezoelectric ceramic technology, used in measuring devices, using stable tension/pressure to test the strength of materials, instruments, etc. problem, to achieve the effect of increasing hydrostatic pressure and high pressure output accuracy
CN102866065BInactive Publication Date: 2014-07-30INST OF SEMICONDUCTORS - CHINESE ACAD OF SCI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
INST OF SEMICONDUCTORS - CHINESE ACAD OF SCI
Publication Date
2014-07-30
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention provides a continuous pressurizing device. The continuous pressurizing device comprises a barrel (6), piezoelectric ceramics (4) which is arranged inside the barrel (6), a slide block (3) which is arranged inside the barrel (6) and pressed on the upper surface of the piezoelectric ceramics (4) and a counter-jacking anvil (1), wherein the outer side wall of the slide block slides up and down along the inner side wall of the barrel (6); and a part of the counter-jacking anvil (1) is arranged inside the barrel (6) and pressed on the upper surface of the slide block (3). The continuous pressurizing device can continuously and precisely pressurize a sample to be tested.
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Description

technical field

[0001] The invention relates to fluid static pressure technology, in particular to a continuous pressurizing device which can continuously and accurately apply fluid static pressure in a cryostat. Background technique

[0002] As an effective experimental method for studying semiconductor materials, hydrostatic pressure technology is widely used in the research fields of optical properties, electrical properties, and phase transitions of semiconductors. Applying hydrostatic pressure requires a diamond-to-anvil arrangement. The principle of the diamond counter-anvil device is to place the sample in a pressure chamber formed by two opposite diamonds and spacers whose upper and lower anvil surfaces are parallel, fill the pressure chamber with a pressure transmission medium, and push the two diamonds to make them mutually When extruding, through the pressure transmission medium, hydrostatic pressure will be generated on the sample. The diamond anvil technology ...

Claims

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