CN109470730A - A Complementary Grid for Use in Transmission Electron Microscopy - Google Patents
A Complementary Grid for Use in Transmission Electron Microscopy Download PDFInfo
- Publication number
- CN109470730A CN109470730A CN201811620150.7A CN201811620150A CN109470730A CN 109470730 A CN109470730 A CN 109470730A CN 201811620150 A CN201811620150 A CN 201811620150A CN 109470730 A CN109470730 A CN 109470730A
- Authority
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- China
- Prior art keywords
- complementary
- shaped
- complementary support
- mesh sheet
- transmission electron
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000000295 complement effect Effects 0.000 title claims abstract description 133
- 238000004627 transmission electron microscopy Methods 0.000 title 1
- 230000005540 biological transmission Effects 0.000 claims abstract description 29
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 13
- 229910052802 copper Inorganic materials 0.000 claims description 13
- 239000010949 copper Substances 0.000 claims description 13
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 10
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 5
- 239000004677 Nylon Substances 0.000 claims description 5
- 229910052750 molybdenum Inorganic materials 0.000 claims description 5
- 239000011733 molybdenum Substances 0.000 claims description 5
- 229910052759 nickel Inorganic materials 0.000 claims description 5
- 229920001778 nylon Polymers 0.000 claims description 5
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 4
- 229910052737 gold Inorganic materials 0.000 claims description 4
- 239000010931 gold Substances 0.000 claims description 4
- 239000010432 diamond Substances 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 10
- 238000002360 preparation method Methods 0.000 abstract description 8
- 238000010276 construction Methods 0.000 abstract description 3
- 239000000523 sample Substances 0.000 description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- 229910052799 carbon Inorganic materials 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000003032 molecular docking Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 239000012472 biological sample Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/22—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material
- G01N23/2204—Specimen supports therefor; Sample conveying means therefore
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/22—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material
- G01N23/2202—Preparing specimens therefor
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses one kind complementary type loading net used in transmission electron microscope, it is characterized by: being spliced into disc by semicircle complementary support mesh sheet or fan-shaped complementary support mesh sheet, all semicircle complementary support mesh sheet or fan-shaped complementary support mesh sheet have the mesh of identical or different shape, and adjacent semicircle complementary support mesh sheet or adjacent fan-shaped complementary support mesh sheet are connected together by clamping structure or are bonded together by glued construction.The present invention can improve sample preparation efficiency under the premise of not destroying test sample stability, to achieve the purpose that save time cost.
Description
Technical field
The present invention relates to one kind loading net used in transmission electron microscope, in particular to it is a kind of used in the transmission electron microscope
Complementary type loading net.
Background technique
Usually transmission electron microscope experiment copper mesh used is done, the support grid of sample is as carried.If support grid copper material, just claim copper
Net, it is just corresponding to claim nickel screen, molybdenum net, golden net, nylon wire etc. if it is nickel, molybdenum, gold, nylon.
Support grid is used alone, also referred to as " naked net ".It is mainly used in biological sample preparation, slicer can be cooperated, used in the sink
" naked net " fishes for sample.Spray carbon or metal spraying processing are carried out again, are observed subsequently into Electronic Speculum.Most of transmission electron microscope sample are in sample preparation
When, in order to ensure sample can be mounted in " support grid ", one layer of organic film can be covered in " support grid ", referred to as " support film ".This tool
There is the support grid for supporting film, referred to as " support grid support film ".When sample contact support grid supports film, it can firmly be adsorbed on very much support film
On, it is unlikely to slide from the hole of support grid.To be observed in Electronic Speculum.
When sample is placed in Electronic Speculum, " support grid support film " can be irradiated by electron beam, will generate charge on organic support film
Accumulation, can also cause sample to discharge, and elegant sample occurs, bounce, supports situations such as film rupture.So people consider supporting
Carbon is sprayed on film, is improved the electric conductivity for supporting film, is reached good observing effect.It is this to pass through " support grid of spray carbon supports film ", letter
Claim " carbon support film ", general film thickness is 7-10nm.
In terms of cost of manufacture and using effect, copper mesh is most economical practical, so being generally used.Therefore, people often mention
" the copper mesh support film " that arrives, " carbon support film ", " carbon film ", " China, side film " etc., or even it is referred to as " copper mesh ", refer to this tool mostly
There is " the support film of copper mesh spray carbon ".Commonly referred to as " carbon support film ".
With the progress of science and technology, transmission electron microscope is more and more general in enterprise's scientific research field and universities' research institutes
And it is 5 years especially nearly, the installation amount of whole world transmission electron microscope is constantly bettered a record.As what China's high level was studied gos deep into,
Current installation total amount is also far from satisfying the vigorous scientific research demand in the whole world.Scientificlly and effectively improve the use of transmission electron microscope
Efficiency is beneficial to alleviate the testing requirement of current anxiety.
For current copper mesh as shown in Figure 1, for a round mesh sheet, periphery has round volume circle.One branch copper mesh is only capable of holding
Carry a sample.Cause to be wasted in sample preparation using the time there are about the transmission electron microscope of one third and vary, it is especially current
High pressure transmission electron microscope can only test a sample every time, put again after sample is placed on typical circular copper mesh and carry out taking out in vacuum chamber very
Do-nothing operation.And the transmission electron microscope of mainstream can not accomplish rapid vacuumizing at present, the pumpdown time is long, varies to waste significantly
Efficiency and testing efficiency.And rapid vacuumizing equipment purchase and maintenance and its valuableness, it can not popularize at present.How transmission is improved
The service efficiency of Electronic Speculum becomes us and is badly in need of the problem of thinking deeply.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides one kind complementary type loading net used in transmission electron microscope.It mentions
High sample preparation efficiency, and achieve the purpose that save time cost.
In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of used in the transmission electron microscope
Complementary type loading net, it is characterised in that: disc is spliced by semicircle complementary support mesh sheet or fan-shaped complementary support mesh sheet, institute
There are semicircle complementary support mesh sheet or fan-shaped complementary support mesh sheet that there is the mesh of identical or different shape, it is adjacent semicircle mutual
It mends support mesh sheet or adjacent fan-shaped complementary support mesh sheet is connected together by clamping structure or is bonded in one by glued construction
It rises.
Using the above scheme, in test can optional two edges can the complementary semicircle complementary support mesh sheet being overlapped
Either multiple fan-shaped complementary support mesh sheet, in the either fan-shaped complementary support mesh sheet of different semicircle complementary support mesh sheet
Different test samples is loaded, then member is surrounded by two semicircle complementary support mesh sheet and swindles or three fan-shaped complementary branch
Support mesh sheet surrounds circular piece, and perhaps four fan-shaped complementary support mesh sheet surround circular piece or a semicircle complementary support net
Piece and two fan-shaped complementary support mesh sheet surround circular piece.To reach a sample preparation and vacuumizing can test simultaneously two with
The purpose of upper sample, and then our time cost is saved, alleviate testing time slow pressure.
In above scheme: all semicircle complementary support mesh sheet and fan-shaped complementary support mesh sheet all have net of different shapes
Hole.By mesh of different shapes come the sample of distinguishing tests.
In above scheme: the outer ledge of the semicircle complementary support mesh sheet and fan-shaped complementary support mesh sheet is equipped with arc
The arc-shaped side edge of shape edge, all semicircle complementary support mesh sheet and fan-shaped complementary support mesh sheet surrounds a round flange.Have
Arc-shaped side edge facilitates clamping.
In above scheme: at the both ends on the arc-shaped side edge of the semicircle complementary support mesh sheet and fan-shaped complementary support mesh sheet
Upper and lower sides be respectively arranged with card hole, adjacent semicircle complementary support mesh sheet and fan-shaped complementary support mesh sheet pass through U-shaped clamp
It is connected, two supporting legs of the U-shaped clamp are inserted into respectively in adjacent card hole.
In above scheme: wherein the one of the arc-shaped side edge of the semicircle complementary support mesh sheet and fan-shaped complementary support mesh sheet
End setting is fluted, and the other end is provided with the protrusion with matching grooves, and in splicing, the protrusion is caught in groove.
In above scheme: the semicircle complementary support mesh sheet docks side difference with another semicircle complementary support mesh sheet
It is provided with protrusion and recess, the splicing side of the sector complementary support mesh sheet and another fan-shaped complementary support mesh sheet is respectively arranged with
Protrusion and recess, it is described convex in multiple fan-shaped complementary support mesh sheet splicings or when two semicircle complementary support mesh sheet docking
It rises and is caught in recess.
In above scheme: the semicircle complementary support mesh sheet is in the side of docking of another semicircle complementary support mesh sheet
Zigzag, the equal indention in splicing side of the sector complementary support mesh sheet and another fan-shaped complementary support mesh sheet.
In above scheme: the semicircle complementary support mesh sheet and fan-shaped complementary support mesh sheet by copper or nickel or molybdenum or gold or
Nylon is made.
In above scheme: the shape of the mesh is triangle, circle, rectangle, square, any one in diamond shape
Kind.
Compared in the prior art, the present invention can improve the beneficial effect present invention under the premise of not destroying test sample stability
Sample preparation efficiency, to achieve the purpose that save time cost.
Detailed description of the invention
Fig. 1 is prior art construction schematic diagram.
Fig. 2 is the structural schematic diagram of the embodiment of the present invention 1.
Fig. 3 is the structural schematic diagram of embodiment 2.
Fig. 4 is the structural schematic diagram of embodiment 3.
Fig. 5 is the structural schematic diagram of embodiment 4.
Fig. 6 is the structural schematic diagram of embodiment 5.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1 is as shown in Fig. 2, the complementary type loading net used in transmission electron microscope, by two semicircle complementary supports
Mesh sheet 1 docks back wall into circle, and it is semicircle complementary along 2, two that the outer ledge of semicircle complementary support mesh sheet 1 is equipped with arc-shaped side
The arc-shaped side of mesh sheet 1 is supported to surround a round flange along 2.
The mesh of one of semicircle complementary support mesh sheet 1 is circle, the net of another semicircle complementary support mesh sheet 1
Hole is square, and two semicircle complementary support mesh sheet 1 dock the equal indention in side, and two semicircle complementary support mesh sheet 1 are right
Their jagged edge clamping when connecing.
Embodiment 2, as described in Figure 3, the complementary type loading net used in transmission electron microscope, by two semicircle complementary supports
Mesh sheet 1 docks back wall into circle, and it is semicircle complementary along 2, two that the outer ledge of semicircle complementary support mesh sheet 1 is equipped with arc-shaped side
The arc-shaped side edge of mesh sheet 1 is supported to surround a round flange.It is in linear that two semicircle complementary support mesh sheet 1, which dock side,.
The mesh of one of semicircle complementary support mesh sheet 1 is circle, the net of another semicircle complementary support mesh sheet 1
Hole is square, and the arc-shaped side that two semicircle complementary support mesh sheet 1 dock side passes through along 2 bonds two-sided glue sticking.
Embodiment 3, as described in Figure 4, the complementary type loading net used in transmission electron microscope, by two semicircle complementary supports
Mesh sheet 1 docks back wall into circle, and it is semicircle complementary along 2, two that the outer ledge of semicircle complementary support mesh sheet 1 is equipped with arc-shaped side
The arc-shaped side edge of mesh sheet 1 is supported to surround a round flange.It is in linear that two semicircle complementary support mesh sheet 1, which dock side,.
The mesh of one of semicircle complementary support mesh sheet 1 is circle, the net of another semicircle complementary support mesh sheet 1
Hole is square, and fluted 2a is arranged along 2 wherein one end in the arc-shaped side that two semicircle complementary support mesh sheet 1 dock side, separately
One end be provided with the matched protrusion 2b of groove 2a, splicing when, the protrusion 2b is caught in groove 2a.
Embodiment 4, as described in Figure 5, the complementary type loading net used in transmission electron microscope, by two semicircle complementary supports
Mesh sheet 1 docks back wall into circle, and it is semicircle complementary along 2, two that the outer ledge of semicircle complementary support mesh sheet 1 is equipped with arc-shaped side
The arc-shaped side edge of mesh sheet 1 is supported to surround a round flange.It is in linear that two semicircle complementary support mesh sheet 1, which dock side,.
The mesh of two semicircle complementary support mesh sheet 1 is rectangular, the arc of two semicircle 1 docking sides of complementary support mesh sheet
The upper and lower sides at 2 both ends of shape edge are respectively arranged with card hole, and two semicircle complementary support mesh sheet 1 are connected by U-shaped clamp 4, U-shaped
Two supporting legs of clamp 4 are inserted into respectively in adjacent card hole.
Embodiment 5 is as shown in fig. 6, the complementary type loading net used in transmission electron microscope, by four fan-shaped complementary support nets
The splicing of piece 3 surrounds circle, and the outer ledge of four fan-shaped complementary support mesh sheet 3 is equipped with arc-shaped side along 2, four fan-shaped complementary branch
The arc-shaped side for supportting mesh sheet 3 surrounds a round flange along 2.
The mesh of one of sector complementary support mesh sheet 3 is circle, another fan-shaped 3 mesh of complementary support mesh sheet is positive
Rectangular, the mesh of third sector complementary support mesh sheet 3 is triangle, and the mesh of the 4th fan-shaped complementary support mesh sheet 3 is length
Rectangular, upper and lower sides of the arc-shaped side of four fan-shaped complementary support mesh sheet 3 along 2 both ends are respectively arranged with card hole, and adjacent sector is mutually
It mends support mesh sheet 3 to be connected by U-shaped clamp 4, two supporting legs of U-shaped clamp 4 are inserted into respectively in adjacent card hole.
Semicircle complementary support mesh sheet 1 and fan-shaped complementary support mesh sheet 3 in above embodiments is by copper or nickel or molybdenum or gold
Or nylon is made.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811620150.7A CN109470730A (en) | 2018-12-28 | 2018-12-28 | A Complementary Grid for Use in Transmission Electron Microscopy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811620150.7A CN109470730A (en) | 2018-12-28 | 2018-12-28 | A Complementary Grid for Use in Transmission Electron Microscopy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109470730A true CN109470730A (en) | 2019-03-15 |
Family
ID=65677946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811620150.7A Pending CN109470730A (en) | 2018-12-28 | 2018-12-28 | A Complementary Grid for Use in Transmission Electron Microscopy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109470730A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113484545A (en) * | 2021-07-19 | 2021-10-08 | 中科合成油技术有限公司 | Transmission electron microscope multi-sample grid, matched sample preparation table thereof, preparation method and use method |
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|---|---|---|---|---|
| CN201465986U (en) * | 2009-08-04 | 2010-05-12 | 山东理工大学 | SEM sample stage for bulk metal materials |
| CN102148123A (en) * | 2010-02-08 | 2011-08-10 | 北京富纳特创新科技有限公司 | Transmission electron microscope micro-gate and manufacturing method thereof |
| CN102194633A (en) * | 2010-03-17 | 2011-09-21 | 清华大学 | Microgrid of transmissive electron microscope |
| CN202167451U (en) * | 2011-06-28 | 2012-03-14 | 上海宝钢工业检测公司 | Barrier-type scanning electron microscope sample holder |
| CN202930353U (en) * | 2012-11-27 | 2013-05-08 | 郑州大学 | A scanning electron microscope sample stage for testing samples with different thicknesses on the same plane |
| CN204536085U (en) * | 2015-02-13 | 2015-08-05 | 中国人民解放军第二军医大学 | A kind of year net stationary installation for the dyeing of Electronic Speculum ultra-thin section batch |
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2018
- 2018-12-28 CN CN201811620150.7A patent/CN109470730A/en active Pending
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| CN102194633A (en) * | 2010-03-17 | 2011-09-21 | 清华大学 | Microgrid of transmissive electron microscope |
| CN202167451U (en) * | 2011-06-28 | 2012-03-14 | 上海宝钢工业检测公司 | Barrier-type scanning electron microscope sample holder |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113484545A (en) * | 2021-07-19 | 2021-10-08 | 中科合成油技术有限公司 | Transmission electron microscope multi-sample grid, matched sample preparation table thereof, preparation method and use method |
| CN113484545B (en) * | 2021-07-19 | 2024-07-16 | 中科合成油技术股份有限公司 | Multi-sample carrying net of transmission electron microscope and matched sample preparation table, preparation and use method thereof |
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Application publication date: 20190315 |