Film forming instrument for transmission electron microscope sample
A transmission electron microscope sample and film-making instrument technology, which is applied in the field of medical equipment, can solve problems such as inconsistent speed, uneven formar film thickness, and hand shake of glass strips, and achieve the effect of uniform thickness
Pending Publication Date: 2019-10-18
GENERAL HOSPITAL OF SOUTHERN THEATRE COMMAND OF PLA
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Problems solved by technology
[0002] At present, the film-making method of TEM samples is artificial. When preparing the film-making of TEM samples, there is such a problem: the staff will place the glass strip in the formar film-making solution containing chloroform from the film-making solution. In the process of taking out the glass strip, it is difficult to control the speed of the extraction of the glass strip, the speed is inconsistent, and even the phenomenon of hand shaking may occur during the extraction process of the glass strip; these problems will lead to the thickness of the formar film on the extracted glass strip Inhomogeneity, which greatly affects the quality of the finished product of the TEM sample film
Method used
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Embodiment 1
[0023] Figure 1 to Figure 3 It is a first embodiment of the present invention for a sample film-forming instrument for transmission electron microscopy, comprising an upper bottle 1 provided with a bottle mouth, a lower bottle 2, and a latex ball 5 communicated with the lower bottle 2 through an air duct 4; the upper bottle The bottom of 1 is formed with the conduit 6 that communicates with upper bottle 1, and conduit 6 stretches in the lower bottle 2, and conduit 6 and the bottle mouth of lower bottle 2 seal fit; Airway 4 is provided with valve 7. The upper bottle 1 is sealed and connected with the bottleneck of the lower bottle 2 through the conduit 6, so that the upper bottle 1 is installed on the lower bottle 2. In this embodiment, first add a certain amount of chloroform formar film-making solution of a certain concentration to the upper bottle 1, the film-making solution flows into the lower bottle 2 through the conduit 6, and by applying pressure to the latex ball 5, t...
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The invention relates to the field of medical equipment, in particular to a film forming instrument for a transmission electron microscope sample. The film forming instrument for the transmission electron microscope sample comprises an upper bottle, a lower bottle and a latex ball connected with the lower bottle via an air guide tube, wherein the upper bottle is provided with a bottle opening; a guide pipe communicated with the upper bottle is formed at the bottom of the upper bottle, extends into the lower bottle and is in sealing fit with a bottle opening of the lower bottle; and a valve isarranged on the air guide tube. The descending speed of a film forming liquid is controlled in an air pressure manner; by the adoption of the technical scheme, it can be guaranteed that the film forming liquid is gentler in the descending process; the problem that the speed of the film forming liquid in the descending process is inconsistent due to the fact that the film forming liquid is only under the gravity effect of the film forming liquid, and the thickness of a formar film remaining on a glass strip is not uniform can be solved, and it is guaranteed that the formar film with uniform thickness is obtained.
Description
technical field [0001] The invention relates to the field of medical equipment, more specifically, to a film-forming instrument for transmission electron microscope samples. Background technique [0002] At present, the film-making method of TEM samples is artificial. When preparing the film-making of TEM samples, there is such a problem: the staff will place the glass strip in the formar film-making solution containing chloroform from the film-making solution. In the process of taking out the glass strip, it is difficult to control the speed of the extraction of the glass strip, the speed is inconsistent, and even the phenomenon of hand shaking may occur during the extraction process of the glass strip; these problems will lead to the thickness of the formar film on the extracted glass strip Inhomogeneity greatly affects the quality of the finished product of the TEM sample film. Contents of the invention [0003] In order to overcome at least one defect of the above-men...
Claims
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IPC IPC(8): G01N23/2005G01N23/04G01N1/30
CPCG01N23/2005G01N23/04G01N1/30
Inventor 杨传红张海燕王捷魏春华
Owner GENERAL HOSPITAL OF SOUTHERN THEATRE COMMAND OF PLA