CN103762144A - Multiband light source substrate in in-situ sample rod and manufacturing method thereof - Google Patents
Multiband light source substrate in in-situ sample rod and manufacturing method thereof Download PDFInfo
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- CN103762144A CN103762144A CN201410003948.2A CN201410003948A CN103762144A CN 103762144 A CN103762144 A CN 103762144A CN 201410003948 A CN201410003948 A CN 201410003948A CN 103762144 A CN103762144 A CN 103762144A
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Abstract
The invention discloses a multiband light source substrate in an in-situ sample rod and a manufacturing method of the multiband light source substrate. The multiband light source substrate comprises a sapphire substrate, more than three electrodes are arranged on the sapphire substrate, at most one 0402 LED patch is connected between every two adjacent electrodes in a striding mode, the side of each 0402 LED patch is connected with a 1N4148 diode patch in parallel, and one 1N4148 diode patch is connected between every two adjacent electrodes in striding connection with one 0402 LED patch in a striding mode at the same time. According to the multiband light source substrate in the in-situ sample rod and the manufacturing method of the multiband light source substrate, the light source selectable in multiple bands can be guided into the in-situ sample rod; when the number of designed electrodes is four, nine kinds of light source modes can be generated at most, the luminance of the light source is adjustable, and the function of a transmission electron microscope is greatly expanded.
Description
Technical field
The present invention relates to transmission electron microscope situ specimen holder accessory and technology of preparing thereof, relate in particular to a kind of substrate that produces alternative light source and preparation method thereof in transmission electron microscope original position specimen holder, for realizing the light source of introducing multiple wave band at transmission electron microscope.
Background technology
Photocatalysis transmission electron microscope (the Transmission electron microscope of nano material, TEM) be research nanometer material structure and the strong instrument of performance, can obtain the information such as high resolution picture, electron diffraction diagram, chemical element power spectrum of material atom level.At present, the light source using in TEM is all single light source, cannot realize multiwave loading and adjusting.But the research of photochemistry, photocatalysis and the photoelectric characteristic of nano material all need to be carried out under the light source of different-waveband.If change light source in experiment, need to again change whole specimen holder, very inconvenience, cannot meet the measurement requirement of complicated nanometer system.Therefore, in a transmission electron microscope original position specimen holder, introduce alternative light source, for promoting the research of nano material, there is important basic research value.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the invention provides alternative light source substrate and method for making thereof in a kind of original position specimen holder, can produce alternative light source, introduce alternative light source for realizing at transmission electron microscope.
Technical scheme: for achieving the above object, the technical solution used in the present invention is:
Alternative light source substrate in original position specimen holder, comprise Sapphire Substrate, in described Sapphire Substrate, be provided with three with top electrode, between described adjacent two electrodes, cross-over connection has a slice 0402LED paster at most, the side of every 0402LED paster is parallel with a 1N4148 diode paster, i.e. cross-over connection has cross-over connection simultaneously between adjacent two electrodes of a slice 0402LED paster to have a 1N4148 diode paster.
Preferably, described each electrode includes two welding zones that are arranged on Sapphire Substrate positive and negative relative position, and described two welding zones are by a metal throuth hole electrical connection; Described 0402LED paster and 1N4148 diode paster are welded on the welding zone in Sapphire Substrate front, and each welding zone of described Sapphire Substrate reverse side is provided with metal terminal, and described metal terminal is as the control tie-in line of 0402LED paster.
Preferably, identical if same electrode simultaneously by the cross-over connection of two 0402LED pasters, is welded on the polarity of pin of the 0402LED paster on this electrode.
Preferably, be connected across 0402LED paster and 1N4148 diode paster on identical two electrodes, the upper pin polarity that is positioned at same electrode is contrary, the 0402LED paster when connecing reverse voltage.
Preferably, if there is more than two 0402LED paster, the wavelength of all 0402LED pasters is unequal, to realize the introducing of light signal of different wave length, and can pass through regulating resistance, and change the intensity of light signal, realize the original position specimen holder with alternative light source function.
Preferably, the number of described electrode is four, is arranged on four angles of a rectangle; The number of described 0402LED paster is a slice, two, three or four.
The method for making of the alternative light source substrate in original position specimen holder, comprises the steps:
(1) cutting sapphire substrate is then got through hole in Sapphire Substrate;
(2) at the positive and negative of Sapphire Substrate, adopt magnetron sputtering method deposition welding zone, at through-hole inner surface, adopt magnetron sputtering method plated metal through hole, by metal throuth hole, corresponding the positive and negative of Sapphire Substrate welding zone is electrically connected as to electrode;
(3) 0402LED paster is welded on positive adjacent two welding zones of Sapphire Substrate, guarantees maximum cross-over connection a slice 0402LED pasters between adjacent two welding zones; If it is identical that same welding zone simultaneously by the cross-over connection of two 0402LED pasters, guarantees to be welded on the polarity of pin of the 0402LED paster on this welding zone;
(4) in the side parallel connection of every 0402LED paster, be welded with a 1N4148 diode paster, i.e. cross-over connection has cross-over connection simultaneously between adjacent two welding zones of a slice 0402LED paster to have a 1N4148 diode paster; Guarantee to be connected across 0402LED paster and 1N4148 diode paster on identical two welding zones, the upper pin polarity that is positioned at same electrode is contrary;
(5) on each welding zone of the reverse side of Sapphire Substrate, metal terminal is set, draws control tie-in line.
Beneficial effect: alternative light source substrate and method for making thereof in original position specimen holder provided by the invention, in specimen holder, introduce in position the optional light source of multiple wave band; When design electrode number is four, can produce at most 9 kinds of light source mode, and light-source brightness is adjustable, realized the very big expansion of transmission electron microscope function.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further described.
Be illustrated in figure 1 the alternative light source substrate in a kind of original position specimen holder, comprise Sapphire Substrate 1, in described Sapphire Substrate 1, be provided with four electrodes 2, be arranged in respectively on four angles of a rectangle; Between described adjacent two electrodes 2, cross-over connection has a slice 0402LED paster 4 at most, the side of every 0402LED paster 4 is parallel with a 1N4148 diode paster 5, i.e. cross-over connection has cross-over connection simultaneously between adjacent two electrodes 2 of a slice 0402LED paster 4 to have a 1N4148 diode paster 5; As shown in Figure 1, the number of described 0402LED paster 4 is four, and the wavelength of all 0402LED pasters 4 is unequal, to realize the introducing of light signal of different wave length, and can pass through regulating resistance, and change the intensity of light signal, realize the original position specimen holder with alternative light source function.
Described each electrode 2 includes two welding zones that are arranged on Sapphire Substrate 1 positive and negative relative position, and described two welding zones are electrically connected by a metal throuth hole 3; Described 0402LED paster 4 and 1N4148 diode paster 5 are welded on the welding zone in Sapphire Substrate 1 front, and each welding zone of described Sapphire Substrate 1 reverse side is provided with metal terminal, and described metal terminal is as the control tie-in line of 0402LED paster 4.
Simultaneously by an electrode 2 of two 0402LED paster 4 cross-over connections, the polarity of pin that is welded on the 0402LED paster 4 on this electrode 2 is identical; Be connected across 0402LED paster 4 and 1N4148 diode paster 5 on identical two electrodes 2, the upper pin polarity that is positioned at same electrode 2 is contrary, the 0402LED paster 4 when connecing reverse voltage.
The method for making of the alternative light source substrate in above-mentioned original position specimen holder, comprises the steps:
(1) by thickness, be the square Sapphire Substrate that the sapphire of 400 μ m cuts into 3～4mm*2～3mm;
(2) by every diagonal quartering of square Sapphire Substrate, at the fourth class branch place except central point, get through hole, the aperture of through hole is 0.2～0.3mm;
(3) at the positive and negative of Sapphire Substrate, adopt magnetron sputtering method to deposit respectively four welding zones, at through-hole inner surface, adopt magnetron sputtering method plated metal through hole, by metal throuth hole, corresponding the positive and negative of Sapphire Substrate welding zone is electrically connected, finally forms four electrodes;
(4) 0402LED paster is welded on positive adjacent two welding zones of Sapphire Substrate, guarantees maximum cross-over connection a slice 0402LED pasters between adjacent two welding zones; If it is identical that same welding zone simultaneously by the cross-over connection of two 0402LED pasters, guarantees to be welded on the polarity of pin of the 0402LED paster on this welding zone;
As shown in Figure 1, a slice 0402LED paster 4-1 is connected across between electrode 2-1 and electrode 2-2, and anodal on 2-2; A slice 0402LED paster 4-2 is connected across between electrode 2-2 and electrode 2-3, and anodal on 2-2; A slice 0402LED paster 4-3 is connected across between electrode 2-3 and electrode 2-4, and anodal on 2-4; A slice 0402LED paster 4-4 is connected across between electrode 2-4 and electrode 2-1, and anodal on 2-4;
(5) in the side parallel connection of every 0402LED paster, be welded with a 1N4148 diode paster, i.e. cross-over connection has cross-over connection simultaneously between adjacent two welding zones of a slice 0402LED paster to have a 1N4148 diode paster; Guarantee to be connected across 0402LED paster and 1N4148 diode paster on identical two welding zones, the upper pin polarity that is positioned at same electrode is contrary;
(6) on each welding zone of the reverse side of Sapphire Substrate, metal terminal is set, draws control tie-in line.
Alternative light source substrate in the original position specimen holder of preparing by said method, secretly can produce 9 kinds of light source mode by the bright of substrate control module control 0402LED paster, as shown in table 1.
The producible 9 kinds of light source mode of table 1 alternative light source substrate
Wherein, electrode leads to forward electricity and represents with 1, and the logical negative sense electricity of electrode represents with 0; The bright use 1 of 0402LED paster represents, 0402LED paster secretly represents with 0.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. the alternative light source substrate in original position specimen holder, it is characterized in that: comprise Sapphire Substrate (1), in described Sapphire Substrate (1), be provided with three with top electrode (2), between described adjacent two electrodes (2), cross-over connection has a slice 0402LED paster (4) at most, the side of every 0402LED paster (4) is parallel with a 1N4148 diode paster (5), i.e. cross-over connection has cross-over connection simultaneously between adjacent two electrodes (2) of a slice 0402LED paster (4) to have a 1N4148 diode paster (5).
2. the alternative light source substrate in original position specimen holder according to claim 1, it is characterized in that: described each electrode (2) includes two welding zones that are arranged on Sapphire Substrate (1) positive and negative relative position, described two welding zones are by a metal throuth hole (3) electrical connection; Described 0402LED paster (4) and 1N4148 diode paster (5) are welded on the positive welding zone of Sapphire Substrate (1), each welding zone of described Sapphire Substrate (1) reverse side is provided with metal terminal, and described metal terminal is as the control tie-in line of 0402LED paster (4).
3. the alternative light source substrate in original position specimen holder according to claim 1, it is characterized in that: identical if same electrode (2) simultaneously by two 0402LED pasters (4) cross-over connection, is welded on the polarity of pin of the 0402LED paster (4) on this electrode (2).
4. the alternative light source substrate in original position specimen holder according to claim 1; it is characterized in that: be connected across 0402LED paster (4) and 1N4148 diode paster (5) on identical two electrodes (2); the upper pin polarity that is positioned at same electrode (2) is contrary, the 0402LED paster (4) when connecing reverse voltage.
5. the alternative light source substrate in original position specimen holder according to claim 1, is characterized in that: if there is more than two 0402LED paster (4), the wavelength of all 0402LED pasters (4) is unequal.
6. the alternative light source substrate in original position specimen holder according to claim 1, is characterized in that: the number of described electrode (2) is four, is arranged on four angles of a rectangle; The number of described 0402LED paster (4) is a slice, two, three or four.
7. the method for making of the alternative light source substrate in original position specimen holder, is characterized in that: comprise the steps:
(1) cutting sapphire substrate is then got through hole in Sapphire Substrate;
(2) at the positive and negative of Sapphire Substrate, adopt magnetron sputtering method deposition welding zone, at through-hole inner surface, adopt magnetron sputtering method plated metal through hole, by metal throuth hole, corresponding the positive and negative of Sapphire Substrate welding zone is electrically connected as to electrode;
(3) 0402LED paster is welded on positive adjacent two welding zones of Sapphire Substrate, guarantees maximum cross-over connection a slice 0402LED pasters between adjacent two welding zones; If it is identical that same welding zone simultaneously by the cross-over connection of two 0402LED pasters, guarantees to be welded on the polarity of pin of the 0402LED paster on this welding zone;
(4) in the side parallel connection of every 0402LED paster, be welded with a 1N4148 diode paster, i.e. cross-over connection has cross-over connection simultaneously between adjacent two welding zones of a slice 0402LED paster to have a 1N4148 diode paster; Guarantee to be connected across 0402LED paster and 1N4148 diode paster on identical two welding zones, the upper pin polarity that is positioned at same electrode is contrary;
(5) on each welding zone of the reverse side of Sapphire Substrate, metal terminal is set, draws control tie-in line.
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| CN201410003948.2A CN103762144B (en) | 2014-01-03 | 2014-01-03 | Alternative light source substrate in original position specimen holder and method for making thereof |
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| CN201410003948.2A CN103762144B (en) | 2014-01-03 | 2014-01-03 | Alternative light source substrate in original position specimen holder and method for making thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112198177A (en) * | 2020-09-02 | 2021-01-08 | 华东师范大学 | In-situ light field sample rod of tiltable sample |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060025002A1 (en) * | 2004-07-28 | 2006-02-02 | The Board Of Trustees Of The University Of Illinois | TEM MEMS device holder and method of fabrication |
| US20120293791A1 (en) * | 2008-10-20 | 2012-11-22 | Brookhaven Science Associates, Llc | Sample Holder with Optical Features for Holding a Sample in an Analytical Device for Research Purposes |
| CN103400740A (en) * | 2013-07-05 | 2013-11-20 | 东南大学 | Transmission electron microscope sample rod with testable photoelectric properties and method for building solar battery |
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2014
- 2014-01-03 CN CN201410003948.2A patent/CN103762144B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060025002A1 (en) * | 2004-07-28 | 2006-02-02 | The Board Of Trustees Of The University Of Illinois | TEM MEMS device holder and method of fabrication |
| US20120293791A1 (en) * | 2008-10-20 | 2012-11-22 | Brookhaven Science Associates, Llc | Sample Holder with Optical Features for Holding a Sample in an Analytical Device for Research Purposes |
| CN103400740A (en) * | 2013-07-05 | 2013-11-20 | 东南大学 | Transmission electron microscope sample rod with testable photoelectric properties and method for building solar battery |
Non-Patent Citations (1)
| Title |
|---|
| 徐涛等: "原位动态电子显微学研究进展", 《物理学进展》, vol. 32, no. 3, 30 June 2012 (2012-06-30) * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112198177A (en) * | 2020-09-02 | 2021-01-08 | 华东师范大学 | In-situ light field sample rod of tiltable sample |
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