CN101158624B - Preparation method of large area stalactite loaded thin sheet - Google Patents
Preparation method of large area stalactite loaded thin sheet Download PDFInfo
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- CN101158624B CN101158624B CN2007101901293A CN200710190129A CN101158624B CN 101158624 B CN101158624 B CN 101158624B CN 2007101901293 A CN2007101901293 A CN 2007101901293A CN 200710190129 A CN200710190129 A CN 200710190129A CN 101158624 B CN101158624 B CN 101158624B
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- microslide
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- stalactite
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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
The present invention relates to a kind of preparation of specimen method, be specifically related to a kind of method for making of carrying thin slice at the large tracts of land stalactite (stalagmite) of microscopically research usefulness.
Background technology
In the scientific research in fields such as geology, petrifactology, a year thin slice (abbreviation thin slice) of making sample is one of method that is in daily use, and its manufacturing process is: the thin slice that sample is cut into several millimeters thick; Successively it is simultaneously polished with coarse sand, fine sand; The one side of polishing is sticked on the microslide with Canada balsam or abies balsam; On wafer lapping machine, hand is held microslide the further wear down of sample thin slice on it; Move on on the glass plate, with fine sand the manual wear down of sample to the thickness that needs (thickness that needs repeated multiple times usefulness microexamination sample therebetween).Adopting the effective dimensions of the petrographic thin section of this method making generally is to be controlled at 25 * 35mm or 35 * 40mm.
But development along with scientific research, to grind the sample thin slice requirement more and more higher, comprising thin slice is carried in bigger preparation of specimen, for example, make the bigger paleontological fossil of volume, the thin slice of stalactite samples such as (comprising stalagmite), generally need reach more than the 75mm.This area calls large tracts of land or overlarge area thin slice to the thin slice of length more than 75mm.Adopt traditional method for making, can't satisfy the making requirement of large tracts of land or overlarge area thin slice.
Summary of the invention
The problems referred to above at prior art, the method for making that the purpose of this invention is to provide a kind of large area stalactite loaded thin sheet, this method can be produced 75mm above large tracts of land or overlarge area thin slice, satisfy research needs, do not lose the possessive construction details that to possess on the sample thin slice simultaneously big sample.
The scheme of finishing the foregoing invention task is: a kind of method for making of large area stalactite loaded thin sheet, and step is as follows:
(1), near the plane that needs on the sample to observe, (general sample is cylindrical or taper, so plane that should needs observation is generally axial vane surface to cut out the plane of leaving process redundancy.Below this face is called " treating facet ");
(2), successively this plane is polished (just " process redundancy " is ground off, obtain " needing the plane of observation ") with coarse sand, fine sand;
(3), stick on the microslide heating eliminating bubble in the time of stickup with the plane of the bright epoxy resin of full impregnated with the sample polishing; Solidify then;
(4), being provided with on the microtome of stepped work top, be parallel to microslide, unnecessary sample is cut away (the paraxial tangent plane of the part of cutting-out polish give over to after the polishing lamina contrast and sampling with), stay the sample thin slice of several millimeters thick that stick on the microslide;
(5), on wafer lapping machine, hand is held microslide the further wear down of sample thin slice on it;
(6), move on on the glass plate, with fine sand the manual wear down of sample to the thickness that needs (thickness that needs repeated multiple times usefulness microexamination sample therebetween).
The present invention has following prioritization scheme:
1, in described (1) step, when determining described " plane that sample need be observed ",, generally be by cutting vertically near the diameter of sample, will being defined as facet by the face of diameter if sample is cylindrical or taper; As sample is crooked, and then the face at the axis place of sample bending is " plane that needs observation ", cuts by the near axis of sample bending, obtains crooked axial vane surface after the polishing;
2, described (4) step: being parallel to microslide when cutting on being provided with the microtome of stepped work top, is that blade is close to microslide cutting, cuts into thin slice less than 1 millimeters thick sticking on sample on the microslide;
3,, increase following steps (1), between (2) step for the excessive sample of diameter:
(1)-1, described (1) step cuts out and treats after " treating facet ", be parallel to " treating facet ", cutting once more, unnecessary sample is cut away, the sample THICKNESS CONTROL that stays is 15~25mm (sighting target size originally is fixed), generally be specimen taken radially 14 sheet specimen preparation, carry out the polishing of (2) step then;
4, for longer sample, for example, length exceeds the stalactite of 10mm, even the sample that has reaches several meters, can adopt following prioritization scheme: between (1) and (2) step, or increase following steps between (1)-1 and (2) step:
(1)-2, fixed point fractures: definite point that will fracture (be advisable to be no more than 130mm by every segment length, note selecting for use the point of nature disconnection) as far as possible, and at the back side for the treatment of facet of this snap point place from sample, treat facet 15~25mm place only (sighting target size originally is fixed) to treating facet direction perpendicular cuts to distance, then sample is fractureed into two sections or multistage on wooden fulcrum (generally with " rib shape " fulcrum), carry out the polishing of (2) step again;
This step be for the continuity that guarantees sample (for example, the continuity of the stalactitic lamina that drips), avoid disconnecting sample with the method for cutting, between the entrained information of several the thin slices that each section of method of full cutting of toing many or too much for use like this made respectively is continuous, for its photomosaic or complete observation provide the foundation.
5, before (3) step, increase following steps:
(3)-1, select the thick sheet glass of appropriate size 3mm, with 180# sand milling hair one side, make microslide (sample sticks on the sanding face);
It is transparent fully that glue during stickup can make frosted glass become, so this step can guarantee the flatness of slide surface, the sample wear down on pasting it during the stage, can guarantee that the thickness of thin slice each several part is even to the end.
6, in (3) step is carried out, increase following steps:
(3)-2, when the glass of selecting 3mm thickness for use during as microslide, get rid of in the operation of bubble with the heating of epoxy resin sheet adhesive, otherwise the glass slide on the offset electro kinetic potential device, in case the slide glass explosion.
The invention solves prior art and make the difficulty of large tracts of land when carrying thin slice, the method for making that provides a kind of large tracts of land to carry thin slice, this method can satisfy the research needs to big sample, can not lose the possessive construction details that should possess on the sample thin slice simultaneously.
Embodiment
Embodiment 1, and crooked stalactitic large tracts of land is carried the method for making of thin slice, and step is as follows:
(1), determines that the face at the axis place of sample bending is " need observe plane ", by the near axis of sample bending, leaves process redundancy ground to cut;
(1)-1, be parallel to above-mentioned " crooked axial vane surface " cutting once more, unnecessary sample is cut away, the sample THICKNESS CONTROL that stays is at 15~25mm;
(1)-2, fixed point fractures: principle is: A, the point of as far as possible selecting for use nature to disconnect, B, every segment length are advisable to be no more than 130mm.After the point of determining to fracture, at this some place,, extremely end apart from facet 15~25mm to facet direction perpendicular cuts at the back side that sample is treated facet (axial vane surface), the point that need fracture sample is aimed at wooden fulcrum then, and the distance suitable on both sides firmly fractures downwards;
Carry out repeatedly according to sample length; Each section that will disconnect carries out next step respectively then;
(2), the fixed point back that fractures successively will " treat facet " with coarse sand, fine sand and polish, and obtain the axial vane surface of bending after the polishing;
(3)-1, select the thick sheet glass of appropriate size 3mm, with 180# sand milling hair one side, make microslide;
(3), stick on the sanding face of microslide heating eliminating bubble in the time of stickup with the plane of the bright epoxy resin of full impregnated with the sample polishing;
(3)-2, heating gets rid of in the operation of bubble, otherwise the glass slide on the offset electro kinetic potential device is in case the slide glass explosion.Solidify then;
(4), be provided with on the microtome of stepped work top, be parallel to microslide, unnecessary sample is cut away, stay the sample thin slice (giving over to lamina contrast and isotope assay sampling usefulness after the unnecessary sample polishing of cutting-out) of several millimeters thick that stick on the microslide;
(5), on the rock wafer lapping machine about manual wear down to 0.1~0.3mm, (this shade of the thickness sighting target of thin slice is fixed, is as the criterion to see the lamina that drips clearly).
(6), move on on the glass plate, polish polishing with 20 microns and 7 micrometer alumina sand are manual on sheet glass respectively, need the thickness of repeated multiple times therebetween with the microexamination sample.
The method is equally applicable to the making of paleontological fossil large tracts of land thin slice.
Claims (5)
1. the method for making of a large area stalactite loaded thin sheet, step is as follows:
(1), near the plane that needs on the sample to observe, cut out the plane of leaving process redundancy---treat facet;
(1)-1, described (1) step cuts out and treats after the facet, is parallel to and treats facet, unnecessary sample is cut away in cutting once more, the sample THICKNESS CONTROL that stays is at 15~25mm;
(1)-2, fixed point fractures: determine the point that will fracture, and at the back side for the treatment of facet of this snap point place from sample, to treating that facet direction perpendicular cuts to distance treats that facet 15~25mm place only, fractures into two sections or multistage to sample then on wooden fulcrum;
(2), successively this plane is polished with coarse sand, fine sand;
(3), stick on the microslide heating eliminating bubble in the time of stickup with the plane of the bright epoxy resin of full impregnated with the sample polishing; Solidify then;
(4), being provided with on the microtome of stepped work top, be parallel to microslide, unnecessary sample is cut away, stay the sample thin slice of several millimeters thick that stick on the microslide;
(5), on wafer lapping machine, hand is held microslide the further wear down of sample thin slice on it;
(6), move on on the glass plate, with fine sand the manual wear down of sample to the thickness that needs, repeated multiple times is with the thickness of microexamination sample therebetween.
2. the method for making of large area stalactite loaded thin sheet according to claim 1 is characterized in that, in described (1) step, for crooked sample, is that the near axis by the sample bending cuts.
3. the method for making of large area stalactite loaded thin sheet according to claim 1, it is characterized in that, described (4) step: when on being provided with the microtome of stepped work top, being parallel to the microslide cutting, be that blade is close to microslide cutting, cut into thin slice less than 1 millimeters thick sticking on sample on the microslide.
4. according to the method for making of the described large area stalactite loaded thin sheet of one of claim 1~3, it is characterized in that before (3) step, increasing has following steps:
(3)-1, select the thick sheet glass of appropriate size 3mm, with 180# sand milling hair one side, make microslide.
5. the method for making of large area stalactite loaded thin sheet according to claim 4 is characterized in that, in (3) step was carried out, increasing had following steps:
(3)-2, when the glass of selecting 3mm thickness for use during as microslide, get rid of in the operation of bubble with the heating of epoxy resin sheet adhesive, otherwise the glass slide on the offset electro kinetic potential device, in case the slide glass explosion.
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CN2007101901293A CN101158624B (en) | 2007-11-15 | 2007-11-15 | Preparation method of large area stalactite loaded thin sheet |
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CN2007101901293A CN101158624B (en) | 2007-11-15 | 2007-11-15 | Preparation method of large area stalactite loaded thin sheet |
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CN101158624A CN101158624A (en) | 2008-04-09 |
CN101158624B true CN101158624B (en) | 2010-09-29 |
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CN102313664A (en) * | 2010-06-29 | 2012-01-11 | 鞍钢股份有限公司 | Surface treatment method of ultra-low carbon content sheet sample |
CN102768812B (en) * | 2011-05-06 | 2015-02-11 | 中国科学院理化技术研究所 | Visual microscopic model of real core and manufacturing method thereof |
CN102507281B (en) * | 2011-10-26 | 2013-12-11 | 天津城市建设学院 | Manufacturing process of soft clay microsection |
CN104568545A (en) * | 2015-01-20 | 2015-04-29 | 中国石油大学(华东) | Manufacturing method of shale rock lamina |
CN113916621B (en) * | 2020-07-07 | 2024-04-30 | 中国石油化工股份有限公司 | Method for preparing inclusion slice sample and application thereof |
Citations (3)
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CN1546976A (en) * | 2003-12-17 | 2004-11-17 | 吉林大学 | Clay or loose rock (sand) slice specimen preparation process |
CN2766233Y (en) * | 2004-11-11 | 2006-03-22 | 贵阳探矿机械厂 | Mineral sample slice grinding machine |
CN2882959Y (en) * | 2006-02-22 | 2007-03-28 | 中国科学院南京地质古生物研究所 | Slicer having stair-like working table |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1546976A (en) * | 2003-12-17 | 2004-11-17 | 吉林大学 | Clay or loose rock (sand) slice specimen preparation process |
CN2766233Y (en) * | 2004-11-11 | 2006-03-22 | 贵阳探矿机械厂 | Mineral sample slice grinding machine |
CN2882959Y (en) * | 2006-02-22 | 2007-03-28 | 中国科学院南京地质古生物研究所 | Slicer having stair-like working table |
Non-Patent Citations (2)
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