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Preparation method of large area stalactite loaded thin sheet

A production method and stalactite technology, which are applied in the field of specimen production, can solve the problems of inability to meet the requirements of large-area or super-large-area thin-section production, and achieve the effect of meeting research needs.

Inactive Publication Date: 2008-04-09
中国科学院南京地质古生物研究所
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AI Technical Summary

Problems solved by technology

Traditional production methods have been unable to meet the production requirements of large-area or super-large-area slices

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0026] Embodiment 1, the manufacture method of the large-area loaded sheet of curved stalactite, the steps are as follows:

[0027] (1) Determine that the plane where the axis of the specimen bends is located is the "plane to be observed", and cut through the vicinity of the axis of the specimen bend, leaving a machining allowance;

[0028] (1)-1. Cut again parallel to the above "curved axial plane", cut off the excess specimen, and control the thickness of the remaining specimen at 15-25mm;

[0029] (1)-2. Fixed-point breaking: The principle is: A. Try to choose a natural breaking point, B. The length of each section should not exceed 130mm. After determining the point to be broken, at this point, on the back of the surface to be polished (axial surface) of the specimen, cut vertically in the direction of the polished surface until it is 15-25mm away from the polished surface, and then cut the specimen at the point to be broken. Align the wooden fulcrum, and break it down at...

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Abstract

A making method for a slide glass of large area includes the following steps: (1) cutting a plane with processing allowance close to a sample plane requiring observation; (2)polishing the plane successively by coarse sands and fine sands after being snapping at fixed-points; (3) sticking the polished sample plane on the slide glass by using crystal clear epoxy resin, eliminating bubbles by heating during the sticking operation and then solidifying; (4) cutting the excrescent sample on a section cutter with steps paralleling with the slide glass and remaining a thin sample slice with the thickness of millimeters on the slide glass; (5) further grinding the sample slice to be thinner on a slice grinder by manually holding the slide glass; (6) moving to a glass plate, and manually wearing the sample to the required thickness by fine sands, meanwhile, a microscope is required to repeatedly check the thickness of the sample. The invention, overcoming the difficulty of making a slide glass of large area, satisfies the researching need for large samples, and does not lose all required construction detail on the sample slice.

Description

technical field [0001] The invention relates to a method for preparing a specimen, in particular to a method for preparing a large-area stalactite (stalactite) loaded thin section for research under a microscope. Background technique [0002] In the scientific research work in the fields of geology, paleontology, etc., it is one of the most commonly used methods to make specimen slides (referred to as slices). The production process is: cut the specimen into thin slices with a thickness of several millimeters; , fine sand to polish one side; paste the polished side on the glass slide with Canada glue or fir glue; on the grinder, hold the glass slide to further thin the specimen slice on it; move to the glass On the board, use fine sand to manually thin the specimen to the required thickness (during which it is necessary to repeatedly check the thickness of the specimen with a microscope). The effective size of rock slices produced by this method is generally controlled at 2...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/06B28D1/00
Inventor 程西亭
Owner 中国科学院南京地质古生物研究所
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