CN202421343U - Device for measuring conductivity of metal and semiconductor solid - Google Patents
Device for measuring conductivity of metal and semiconductor solid Download PDFInfo
- Publication number
- CN202421343U CN202421343U CN2011205323059U CN201120532305U CN202421343U CN 202421343 U CN202421343 U CN 202421343U CN 2011205323059 U CN2011205323059 U CN 2011205323059U CN 201120532305 U CN201120532305 U CN 201120532305U CN 202421343 U CN202421343 U CN 202421343U
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- data acquisition
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- 239000007787 solid Substances 0.000 title claims abstract description 15
- 239000002184 metal Substances 0.000 title claims abstract description 14
- 239000004065 semiconductor Substances 0.000 title claims abstract description 14
- 238000012360 testing method Methods 0.000 claims abstract description 46
- 238000010438 heat treatment Methods 0.000 claims abstract description 28
- 238000005259 measurement Methods 0.000 claims abstract description 13
- 239000000956 alloy Substances 0.000 abstract description 2
- 229910045601 alloy Inorganic materials 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000523 sample Substances 0.000 description 31
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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Abstract
The utility model discloses a device for measuring conductivity of metal and semiconductor solid. The device comprises a shield, a heating furnace, a temperature control device, a sample table and a measuring and display device, wherein the heating furnace is mounted in the shield; a protection gas input end and a protection gas output end are arranged at both ends of the heating furnace; the temperature control device is connected at a circuit input end of the heating furnace; the sample table is mounted in a cavity of the heating furnace; a sample to be measured is arranged on the sample table; the measuring and display device comprises a fixed testing electrode, a movable testing electrode, a spring, a high-temperature lead, a direct current power supply, a data collecting and converting module and a display output module; the fixed testing electrode is connected with the sample to be measured, the movable testing electrode, the spring, the high-temperature lead, the direct current power supply and the data collecting and converting module so as to form a closed loop; the spring is mounted outside the heating furnace; and the display output module is connected with the output end of the data collecting and converting module. The device has the advantages that the device is beneficial to the conductivity measurement of various alloy solids, the structure is simple, the operation is convenient, the controllability is high, the specificity requirement on the sample is low, the measurement data is exact and reliable, and the display is direct.
Description
Technical field
The utility model relates to a kind of measurement mechanism, relates in particular to a kind of device of measuring metal and semiconductor solid electric conductance.
Background technology
Conductivity is metal and important physical characteristic of semiconductor, particularly estimates an important indicator of dielectric material performance.The measurement of metal and semiconductor solid electric conductance is used very extensively in fields such as electric power, electronics, photovoltaic, potteries, in industrial process detection, occupies crucial status.
In the measuring method of present several kinds of conductivity both domestic and external; More employing four point probe method of testing; Though can measure the conductivity of object comparatively accurately, mostly these surveying instruments are the product from external import, equipment price is expensive; And generally all rest on and to carry out under fixed temperature or the lower temperature; And the sample size shape need to test is high, and not having can continuously measuring discontinuous metal and the equipment and the technology of semiconductor solid temperature conductivity when raising gradually, and this has lacked this important data information of conductivity with regard to making in understanding research metal and semiconductor solid state physics characteristic; Solve this difficult problem, the research of metal and semiconductor solid state physics is had directive significance.
The utility model content
The utility model is to deficiency of the prior art, proposes a kind ofly to adapt to that multiple alloy solid conductivity measurement, device are simple, easy to operate, controllability by force, to sample characteristics of for example less demanding and measurement data accurately and reliably, the measurement metal of intuitive display and the device of semiconductor solid electric conductance.
For achieving the above object; The technical scheme that the utility model adopts is; A kind of device of measuring metal and semiconductor solid electric conductance; Comprise shield assembly, heating furnace, attemperating unit, sample stage, measurement display device, said heating furnace is installed in the shield assembly, is provided with blanket gas input end and output terminal at the heating furnace two ends; Said attemperating unit connects the heating furnace circuit input end; Said sample stage is installed in the heating stove furnace chamber, and testing sample places on the sample stage; Said measurement display device comprises fixing test electrode, mobile test electrode, spring, high temperature wire, direct supply, data acquisition modular converter, shows output module; Said fixing test electrode and testing sample, mobile test electrode, spring, high temperature wire, direct supply, data acquisition modular converter are connected to form the closed-loop path, and said spring is installed in the heating furnace outside; Show that output module connects data acquisition modular converter output terminal.
The beneficial effect of the utility model is: adopt spring to fix testing sample, form test electrode and contact with the good of sample, guaranteed that measurement data accurately and reliably; Stay very big space for the shape and size of sample through changing spring, satisfy the requirement of various samples, also avoided high temperature to expand simultaneously and the coming off and destroy the situation of sample of the test electrode that causes and sample; Spring places the outside of heating stove furnace chamber, has eliminated the influence of high temperature to spring, and changes conveniently; The data of data acquisition modular converter collecting temperature, electric current, voltage calculate the value of conductivity, in showing output module, show output to temperature and conductivity, can inquire about the exact value of respective point, and simple to operate, convenient test, data are reliably directly perceived.
Description of drawings
Below in conjunction with embodiment and accompanying drawing the utility model is described in detail.
Fig. 1: the structural front view of the utility model;
Fig. 2: the vertical view of specimen platform structure;
Among the figure: 1, power supply, 2, attemperating unit, 3, heating furnace, 4, direct supply; 5, mobile test electrode, 6, spring, 7, the fixing test electrode, 8, testing sample; 9, sample stage, 10, thermopair, 11, high temperature wire, 12, the blanket gas input end; 13, output terminal, 14, shield assembly, 15, the data acquisition modular converter, 16, show output module
Embodiment
Like Fig. 1, a kind of device of measuring metal and semiconductor solid electric conductance shown in 2; Comprise shield assembly 14, heating furnace 3, attemperating unit 2, sample stage 9, measure display device; Said heating furnace 3 is installed in the shield assembly 14, is provided with blanket gas input end 12 and output terminal 13 at heating furnace 3 two ends; Said attemperating unit 2 connects heating furnace 3 circuit input ends, and it is convenient that attemperating unit 2 heats up, and the adaptability controllability is strong, can make the interior temperature of stove reach 1500 ℃, and temperature error is less than ± 0.5 ℃; Said sample stage 9 is installed in heating furnace 3 furnace chambers, and testing sample 8 places on the sample stage 9; Said measurement display device comprises mobile test electrode 5, fixing test electrode 7, spring 6, high temperature wire 11, direct supply 4, data acquisition modular converter 15, shows output module 16; Said fixing test electrode 7 is connected to form the closed-loop path with testing sample 8, mobile test electrode 5, spring 6, high temperature wire 11, direct supply 4, data acquisition modular converter 15; Said spring 6 is installed in heating furnace 3 outsides, owing to used spring 6, the shape and size of testing sample 8 have very big space; Can be the cylindrical sample of Φ 10-30 * 50-200mm; Also can be the rectangle of 10-30 * 10-30 * 50-200mm, also avoided simultaneously high temperature to expand and the coming off and destroy of the test electrode that causes and specimen, spring 6 places the outside of heating stove furnace chamber; Eliminated the influence of high temperature, and changed conveniently spring; Show that output module 16 connects data acquisition modular converter 15 output terminals.
The utility model device also comprises power supply 1, thermopair 10, and said power supply 1 connects attemperating unit 2, is attemperating unit 2 power supplies, and said thermopair 10 connects data acquisition modular converter 15 through high temperature wire 11.
Before the measurement, testing sample 8 is placed on the sample stage 9 earlier, an end of testing sample 8 is contacted with two fixing test electrodes 7 with tweezers; And be positioned at the central authorities of testing sample one end, contact with testing sample 8 with two mobile test electrodes 5 again and make it fixing, and guarantee the testing sample level; Select suitable spring 6 to install and the fixed position at last; With heating furnace 3 sealing, feed blanket gas through blanket gas input end 12, through blanket gas output terminal 13 with the furnace air emptying after; The feeding blanket gas that in the whole process of test, continues, testing sample is oxidized when preventing high temperature; High temperature wire 11 links to each other with fixing test electrode 7 and mobile test electrode 5, and the voltage at testing sample 8 two ends is input to data acquisition modular converter 15, and thermopair 10 is directly over testing sample 8; Be input to data acquisition modular converter 15 to temperature through high temperature wire 11, data acquisition modular converter 15 is collecting temperature, electric current, voltage data simultaneously, calculates the value of conductivity automatically; Be transported to and show output module 16; Show temperature and conductivity form, and support the exact value of inquiry respective point with coordinate, simple to operate; Convenient test, data are reliably directly perceived.
Claims (2)
1. device of measuring metal and semiconductor solid electric conductance; It is characterized in that: comprise shield assembly (14), heating furnace (3), attemperating unit (2), sample stage (9), measure display device; Said heating furnace (3) is installed in the shield assembly (14), is provided with blanket gas input end (12) and output terminal (13) at heating furnace (3) two ends; Attemperating unit (2) connects heating furnace (3) circuit input end; Sample stage (9) is installed in heating furnace (3) furnace chamber, and testing sample (8) places on the sample stage (9); Measuring display device comprises fixing test electrode (7), mobile test electrode (5), spring (6), high temperature wire (11), direct supply (4), data acquisition modular converter (15), shows output module (16); Fixing test electrode (7) is connected to form the closed-loop path with testing sample (8), mobile test electrode (5), spring (6), high temperature wire (11), direct supply (4), data acquisition modular converter (15), and spring (6) is installed in heating furnace (3) outside; Show that output module (16) connects data acquisition modular converter (15) output terminal.
2. the device of measurement metal according to claim 1 and semiconductor solid electric conductance; It is characterized in that: also comprise power supply (1), thermopair (10); Power supply (1) connects attemperating unit (2), and thermopair (10) connects data acquisition modular converter (15) through high temperature wire (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205323059U CN202421343U (en) | 2011-12-19 | 2011-12-19 | Device for measuring conductivity of metal and semiconductor solid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205323059U CN202421343U (en) | 2011-12-19 | 2011-12-19 | Device for measuring conductivity of metal and semiconductor solid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202421343U true CN202421343U (en) | 2012-09-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205323059U Expired - Fee Related CN202421343U (en) | 2011-12-19 | 2011-12-19 | Device for measuring conductivity of metal and semiconductor solid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202421343U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104459329A (en) * | 2014-11-25 | 2015-03-25 | 苏州市职业大学 | Device for testing metal electrical resistivity change within continuous temperature range |
| CN105911380A (en) * | 2016-04-15 | 2016-08-31 | 中国科学院上海硅酸盐研究所 | Measurement apparatus and method for representing service stability of thermoelectric material under heavy current effect |
| CN108469547A (en) * | 2018-03-28 | 2018-08-31 | 山东辰宇稀有材料科技有限公司 | A kind of semiconductor resistor rate tester and multipurpose test system |
| CN112230065A (en) * | 2020-10-20 | 2021-01-15 | 蚌埠中光电科技有限公司 | Measuring instrument for measuring volume and surface resistivity of glass at different temperatures |
-
2011
- 2011-12-19 CN CN2011205323059U patent/CN202421343U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104459329A (en) * | 2014-11-25 | 2015-03-25 | 苏州市职业大学 | Device for testing metal electrical resistivity change within continuous temperature range |
| CN105911380A (en) * | 2016-04-15 | 2016-08-31 | 中国科学院上海硅酸盐研究所 | Measurement apparatus and method for representing service stability of thermoelectric material under heavy current effect |
| CN105911380B (en) * | 2016-04-15 | 2019-09-13 | 中国科学院上海硅酸盐研究所 | Characterize measuring device and method that high current acts on lower thermoelectric material military service stability |
| CN108469547A (en) * | 2018-03-28 | 2018-08-31 | 山东辰宇稀有材料科技有限公司 | A kind of semiconductor resistor rate tester and multipurpose test system |
| CN112230065A (en) * | 2020-10-20 | 2021-01-15 | 蚌埠中光电科技有限公司 | Measuring instrument for measuring volume and surface resistivity of glass at different temperatures |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20141219 |
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| EXPY | Termination of patent right or utility model |