CN206147009U - Four needles probe of portable measurement silicon materials resistivity - Google Patents
Four needles probe of portable measurement silicon materials resistivity Download PDFInfo
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- CN206147009U CN206147009U CN201621220996.8U CN201621220996U CN206147009U CN 206147009 U CN206147009 U CN 206147009U CN 201621220996 U CN201621220996 U CN 201621220996U CN 206147009 U CN206147009 U CN 206147009U
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- Testing Or Measuring Of Semiconductors Or The Like (AREA)
Abstract
The utility model discloses a four needles probe of portable measurement silicon materials resistivity, including a shell body, four point probe measurement, probe wire, integrated circuit board, LED lamp, pronunciation hole, solidus ware, wire group, charactron, the shell body including a probe seat section of thick bamboo, a cross flange section of thick bamboo, hold a pole section of thick bamboo, a signal section of thick bamboo, a line cap section of thick bamboo, integrated circuit board includes power module, two ba wei charactrons, two silicon structure CMOS devices, voice circuit module, LED circuit module, 9 terminal rows, the metal four point probe measurement adopts diameter 0.5mm's tungsten steel needle, probe wire to adopt 1.5mm copper line, and when metal probe test square resistance semi conducting material, but the charactron shows silicon materials resistivity, lights suggestion or voice broadcast silicon material type through the LED lamp.
Description
Technical field
This utility model is related to measure the technical field of silicon material resistivity, more particularly to a kind of portable type measuring silicon material
The four pins probe of material resistivity.
Background technology
Silicon material includes the low heavily doped silicon material of P-type silicon material, N types silicon material and resistivity, as polycrystalline silicon ingot casting or list
During the raw material that crystalline substance draws, it is necessary to strictly test the conduction type and resistivity of these silicon materials.At present, with regard to detecting semiconductor silicon material
The test equipment of material resistivity and conduction type, measurement termination, such as existing related document report, Publication No.
The Chinese patent of CN101852827A discloses a kind of silicon material resistivity voice test pen, and the utility model is by probe, electricity
Electronic circuit part and speech utterance playback unit are grouped into；Electronic circuitry part is by power supply and booster circuit part, constant-current source and spy
Head circuit part, operational amplification circuit and speech utterance are played part and are constituted；This utility model is due to thick using measurement/school
(permutator), so debugging setting can be carried out according to the concrete thickness size cases of silicon materials during test, using integrated computation
Amplifying circuit chip MAX4166 has low-voltage " shut " mode", and dry cell power supply, safety coefficient is high, and measuring resistivity value can be real
When voice broadcast, and tool be simple to manufacture, the advantages of cheap；Separately there is the Chinese patent silicon material of Publication No. CN201311457
Material resistivity detecting device, the utility model silicon material electric resistivity detection device includes voltmeter, and ammeter, voltmeter is connected with
Aviation socket, aviation socket is also connected with ammeter, and ammeter connects the colelctor electrode of amplifier, the emitter stage connection of amplifier
The base stage for having fixed resistance and light emitting diode, amplifier is connected with slide rheostat, and slide rheostat is also associated with power supply
Power supply, amplifier adopts triode amplifier 9013, and power supply is 45V constant-current sources.The technology of silicon materials PN types is measured at present
Equipment and detection instrument presence are disadvantageous in that：
（1）The measurement silicon material resistivity existing equipment generally adopted on market belongs to bench device, generally using desk-top
Equipment, not portable, probe is safeguarded, uses inconvenience, and inefficiency, power consumption is larger, and there is safety problem；Workman is surveying
It is very inconvenient during amount, it is necessary to tap silicon materials and then look up main frame again and shows, and impact certainty of measurement.（2）It is disclosed special
Silicon material resistivity measurement termination and its device in profit, test pen probe are not provided simultaneously with test resistance rate and PN type functions,
Do not possess PN types and heavily doped function is distinguished, while probe single function, used time inconvenience yet；(3) most products and survey at present
Amount termination precision reaches 0.1% ~ 1% mostly, and precision is not high, it is therefore necessary to propose a kind of four pins probe of just silicon material resistivity
Solve the above problems.
The content of the invention
The purpose of this utility model is exactly single function, precision be high, volume is excessive and not portative measurement silicon material
Material resistivity and PN types measurement termination are integrated into the portable probe of hand-held, allow the measurement silicon materials resistance that user is more efficient
Rate and PN types, while operation is safer, more low consumption.
To overcome the shortcomings of above-mentioned prior art device, this utility model provides a kind of portable type measuring silicon materials resistance
Four pins of rate are popped one's head in, and the technical scheme for solving its technical problem is：The four pins probe of the portable type measuring silicon material resistivity,
Including pen type housing, four probes, probe leads, surface-mounted integrated circuit, LED, voice hole, wire fixer, wire group, charactron, its
It is characterised by that the pen type housing includes probe base cylinder, cross flange cylinder, holds pole cylinder, signal tube, line cap cylinder, it is described to hold pole cylinder one
End threaded connection arranges signal tube, and the signal tube other end threaded connection arranges line cap cylinder, the line cap cylinder other end screw thread
Connect setting wire fixer；Described holding arrange cross recess in pole cylinder other end internal side wall, and cross flange is arranged on cross recess
Cylinder, the cross flange cylinder opposite side threaded connection arranges probe base cylinder, and the probe base cylinder is threadedly coupled with pole cylinder is held, described
Four probes are set on the circular platform type side of the probe base cylinder other end；The signal tube one side middle part arranges rectangle plane, rectangle
Charactron and red bluish-green three LEDs are arranged side by side in plane, near line cap cylinder and signal tube one end face of cylinder of rectangle plane
Voice hole is set on the wall of side, and the signal tube inside arranges surface-mounted integrated circuit；The surface-mounted integrated circuit and four probes, voice hole,
LED, charactron are electrically connected, and the surface-mounted integrated circuit is controlled after wire fixer by wire group with external power source and signal
Circuit is electrically connected.
The four pins probe of portable type measuring silicon material resistivity described in the utility model, it is characterised in that the integrated electricity
Road plate include power module, two eight-digit number code pipes, two silicon structure cmos devices, voice circuit module of electric, LED circuit module, 9
Position terminal block, described two silicon structure cmos devices include 8 bit shift registers and 8 bit memories, with two eight-digit number codes
Pipe is electrically connected, and the eight-digit number code Gutron crosses connection divider resistance connection power module+5V voltage terminals and obtains required voltage；Institute
After stating two silicon structure cmos device relevant pins electrical connections, connection power module+5V voltage terminals obtain required voltage, while
Electrically connect with 9 pins of terminal block first, second and third；It is electric that the pin of 9 terminal blocks fourth, fifth, six, seven connects LED simultaneously
Four probe terminals of road module, voice circuit module of electric and four probes；9 terminal blocks and voice circuit module of electric and power module+
5V voltage terminals are electrically connected.
The four pins probe of portable type measuring silicon material resistivity described in the utility model, it is characterised in that the voice electricity
Road module includes audion Q1, loudspeaker LS1, resistance R5, resistance R6, the audion Q1 grounded emitters, colelctor electrode connection loudspeaker
LS1 negative poles；After loudspeaker LS1 negative pole series resistances R5, connect loudspeaker LS1 positive poles, reconnect+5V power supplys；Audion Q1 base stages
After series resistance R6,9 terminals of connection ranked seventh pin；
The LED circuit module include resistance R1, resistance R2, resistance R3 and LED, the LED include LED 1,
LED 2, LED 3, the LED 1, LED 2, the negative pole of LED 3 are grounded, positive pole difference series resistance R1, resistance R2, electricity
Resistance R3；The resistance R1, resistance R2, the other end of resistance R3 are sequentially connected 9 terminal blocks fourth, fifth, six pins；
9 terminals ranked nineth pin ground connection, and the 8th pin is electrically connected with power module+5V voltage terminals.
The four pins probe of portable type measuring silicon material resistivity described in the utility model, it is characterised in that the power supply mould
The voltage of block is provided by the device that wire group connects externally measured silicon material resistivity.
The four pins probe of portable type measuring silicon material resistivity described in the utility model, it is characterised in that the gold of four probes
Category probe adopts the wolfram steel pin of the little diameter 0.5mm of contact resistance；The spy that the metal probe of four probes is connected with surface-mounted integrated circuit
Pin wire adopts 1.5mm copper cash.
The four pins probe of portable type measuring silicon material resistivity described in the utility model, it is characterised in that it is for silicon material
Material resistivity measurement method is as follows：The first step, by the external device (ED) of the wire group connection measurement silicon material resistivity of four probes；The
Two steps, four metal probes of four probes are pressed on square resistance or other semi-conducting materials with certain pressure；3rd step, adjusts
The external device (ED) of section measurement silicon material resistivity, gets different voltages, and resistance, resistivity are calculated automatically；4th step, one
Handheld terminal, a hand hold transducer, can numeral method silicon material resistivity, by LED light prompting or voice broadcast silicon material
Material type, that is, analyze the color and voice hole sound of LED, and by the red bluish-green color of LED the PN types of silicon materials can be distinguished,
Heavily doped type can be distinguished by voice；5th step, records, analyzes, uses test data.
Compared with prior art, the beneficial effects of the utility model are embodied in：This utility model metal probe adopts diameter
The wolfram steel pin of 0.5mm, probe leads adopt 1.5mm copper cash, with less resistance value, improve measuring accuracy, when metal is visited
Pin test square resistance semi-conducting material when, can numeral method silicon material resistivity, by LED light prompting or voice broadcast
Report silicon materials type；Using four probe described in the utility model, certainty of measurement can reach 0.01%, and grade is far above existing
There is the standard of technical products 1%.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is circuit modular structure schematic diagram of the present utility model.
Fig. 3 is LED of the present utility model and voice circuit module of electric schematic diagram.
In accompanying drawing 1：1. four probe, 2. probe base cylinder, 3. cross flange cylinder, 4. holds pole cylinder, 5. signal tube, 6. line cap cylinder,
7. probe leads, 8. surface-mounted integrated circuit, 9.LED lamps, 10. voice hole, 11. wire fixers, 12. wire groups, 13. charactrons.
Specific embodiment
With reference to accompanying drawing 1 this utility model is described in further detail to Fig. 3, so that the public preferably grasps this utility model
Implementation, this utility model specific embodiment is：
As shown in figure 1, the four pins probe of portable type measuring silicon material resistivity described in the utility model, including pen type
Housing, four probes 1, probe leads 7, surface-mounted integrated circuit 8, LED 9, voice hole 10, wire fixer 11, wire group 12, charactron
13, it is characterised in that the pen type housing includes probe base cylinder 2, cross flange cylinder 3, holds pole cylinder 4, signal tube 5, line cap cylinder 6, institute
State and hold the threaded one end connect setting signal tube 5 of pole cylinder 4, the threaded connection of the other end of the signal tube 5 arranges line cap cylinder 6, the line
The threaded connection of the other end of cap cylinder 6 arranges wire fixer 11；Described holding arrange cross recess, cross in the other end internal side wall of pole cylinder 4
Cross flange cylinder 3 is set on groove, and the opposite side of cross flange cylinder 3 threaded connection arranges probe base cylinder 2, the probe base cylinder
2 are threadedly coupled with pole cylinder 4 is held, and on the circular platform type side of the other end of probe base cylinder 2 four probes 1 are arranged；The signal tube 5 one
Side middle part arranges rectangle plane, and charactron 13 and red bluish-green three LEDs 9 are arranged side by side on rectangle plane, near line cap cylinder 6
With setting voice hole 10 on one end cylinder surface side wall of signal tube 5 of rectangle plane, the inside of the signal tube 5 arranges surface-mounted integrated circuit
8；The surface-mounted integrated circuit 8 is electrically connected with four probes 1, voice hole 10, LED 9, charactron 13, and the surface-mounted integrated circuit 8 leads to
Cross wire group 12 to electrically connect with external power source and signal control circuit after wire fixer 11.
As shown in Figure 1 and Figure 2, the four pins probe of portable type measuring silicon material resistivity described in the utility model, its
It is characterised by that the surface-mounted integrated circuit 8 includes power module, two eight-digit number code pipes, two silicon structure cmos devices, voice electricity
Road module, LED circuit module, 9 terminal blocks, described two silicon structure cmos devices include 8 bit shift registers and 8 storages
Device, electrically connects with two eight-digit number code pipes, and the eight-digit number code Gutron crosses connection divider resistance connection power module+5V voltages
Terminal obtains required voltage；After described two silicon structure cmos device relevant pins electrical connections, connect power module+5V voltage ends
Son obtains required voltage, while electrically connecting with 9 pins of terminal block first, second and third；9 terminal blocks fourth, fifth, six, seven
Pin connects four probe terminals of LED circuit module, voice circuit module of electric and four probes 1 simultaneously；9 terminal blocks and voice
Circuit module is electrically connected with power module+5V voltage terminals.
As shown in figure 3, four pins of portable type measuring silicon material resistivity described in the utility model are popped one's head in, its feature exists
In the voice circuit module of electric include audion Q1, loudspeaker LS1, resistance R5, resistance R6, the audion Q1 grounded emitters,
Colelctor electrode connects loudspeaker LS1 negative poles；After loudspeaker LS1 negative pole series resistances R5, connect loudspeaker LS1 positive poles, reconnect+5V power supplys；
After audion Q1 base series resistors R6,9 terminals of connection ranked seventh pin；
The LED circuit module includes resistance R1, R2, R3 and LED, and the LED includes LED 1, LED 2, LED
Lamp 3, the LED 1, LED 2, the negative pole of LED 3 are grounded, positive pole difference series resistance R1, resistance R2, resistance R3；It is described
Resistance R1, resistance R2, the other end of resistance R3 are sequentially connected 9 terminal blocks fourth, fifth, six pins；
9 terminals ranked nineth pin ground connection, and the 8th pin is electrically connected with power module+5V voltage terminals.
As shown in figure 1, the four pins probe of the portable type measuring silicon material resistivity, it is characterised in that the power supply mould
The voltage of block is provided by the device that wire group 12 connects externally measured silicon material resistivity.
As shown in figure 1, the four pins probe of the portable type measuring silicon material resistivity, it is characterised in that portable type measuring
The four pins probe of silicon material resistivity, it is characterised in that the metal probe of four probes 1 is using the little diameter 0.5mm's of contact resistance
Wolfram steel pin；The probe leads 7 that the metal probe of four probes 1 is connected with surface-mounted integrated circuit 8 adopt 1.5mm copper cash.
As shown in figure 1, the four pins probe of the portable type measuring silicon material resistivity, it is characterised in that it is for silicon material
Material resistivity measurement method is as follows：The first step, by the wire group 12 of four probes 1 the outside dress of measurement silicon material resistivity is connected
Put；Second step, four metal probes of four probes 1 are pressed on square resistance or other semi-conducting materials with certain pressure；The
Three steps, adjust the external device (ED) of measurement silicon material resistivity, get different voltages, and resistance, resistivity are calculated automatically；The
Four steps, a handheld terminal, a hand hold transducer, can numeral method silicon material resistivity, by LED light prompting or voice broadcast
Report silicon materials type, that is, analyze the color and the sound of voice hole 10 of LED 9, and by the red bluish-green color of LED 9 silicon can be distinguished
The PN types of material, by voice heavily doped type can be distinguished；5th step, records, analyzes, uses test data.
Compared with prior art, the beneficial effects of the utility model are embodied in：Portable type measuring silicon described in the utility model
The four pins probe of resistivity of material, including it is pen type housing, four probes, probe leads, surface-mounted integrated circuit, LED, voice hole, solid
Line device, wire group, charactron, the pen type housing includes probe base cylinder, cross flange cylinder, holds pole cylinder, signal tube, line cap cylinder；
Surface-mounted integrated circuit includes power module, two eight-digit number code pipes, two silicon structure cmos devices, voice circuit module of electric, LED circuits
Module, 9 terminal blocks；This utility model metal probe adopts the wolfram steel pin of diameter 0.5mm, probe leads to adopt 1.5mm copper cash,
When metal probe test square resistance semi-conducting material when, can numeral method silicon material resistivity, prompting is lighted by LED
Or voice broadcast silicon materials type；Using four probe described in the utility model, certainty of measurement can reach 0.01%, grade
Far above the standard of prior art products 1%, effect is significant.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit this utility model
Within spirit of the present utility model and principle, any modification, equivalent substitution and improvements made etc. should be included in book practical
Within new protection domain.
Claims (5)
1. a kind of four pins of portable type measuring silicon material resistivity are popped one's head in, including pen type housing, four probes（1）, probe leads
（7）, surface-mounted integrated circuit（8）, LED（9）, voice hole（10）, wire fixer（11）, wire group（12）, charactron（13）, its feature
It is that the pen type housing includes probe base cylinder（2）, cross flange cylinder（3）, hold pole cylinder（4）, signal tube（5）, line cap cylinder（6）,
It is described to hold pole cylinder（4）Threaded one end connect setting signal tube（5）, the signal tube（5）Other end threaded connection arranges line cap cylinder
（6）, the line cap cylinder（6）Other end threaded connection arranges wire fixer（11）；It is described to hold pole cylinder（4）Set in other end internal side wall
Cross recess is put, cross flange cylinder is set on cross recess（3）, the cross flange cylinder（3）Opposite side threaded connection is arranged to be visited
Needle stand cylinder（2）, the probe base cylinder（2）With hold pole cylinder（4）Threaded connection, the probe base cylinder（2）The circular platform type side of the other end
Four probes are set on face（1）；The signal tube（5）One side middle part arranges rectangle plane, and number is arranged side by side on rectangle plane
Pipe（13）With red bluish-green three LEDs（9）, near line cap cylinder（6）With the signal tube of rectangle plane（5）On the wall of one end cylinder surface side
Voice hole is set（10）, the signal tube（5）Inside arranges surface-mounted integrated circuit（8）；The surface-mounted integrated circuit（8）With four probes
（1）, voice hole（10）, LED（9）, charactron（13）Electrically connect, the surface-mounted integrated circuit（8）By wire group（12）Pass through
Wear wire fixer（11）Electrically connect with external power source and signal control circuit afterwards.
2. four pins of portable type measuring silicon material resistivity according to claim 1 are popped one's head in, it is characterised in that described integrated
Circuit board（8）Including power module, two eight-digit number code pipes, two silicon structure cmos devices, voice circuit module of electric, LED circuits
Module, 9 terminal blocks, described two silicon structure cmos devices include 8 bit shift registers and 8 bit memories, with two eight
Digital sum pipe is electrically connected, and the eight-digit number code Gutron crosses connection divider resistance connection power module+5V voltage terminals and obtains required
Voltage；After described two silicon structure cmos device relevant pins electrical connections, connection power module+5V voltage terminals obtain required electricity
Pressure, while electrically connecting with 9 pins of terminal block first, second and third；The pin of 9 terminal blocks fourth, fifth, six, seven connects simultaneously
Connect LED circuit module, voice circuit module of electric and four probes（1）Four probe terminals；9 terminal blocks and voice circuit module of electric with
Power module+5V voltage terminals are electrically connected.
3. four pins of portable type measuring silicon material resistivity according to claim 2 are popped one's head in, it is characterised in that the voice
Circuit module includes audion Q1, loudspeaker LS1, resistance R5, resistance R6, the audion Q1 grounded emitters, colelctor electrode connection
Loudspeaker LS1 negative poles；After loudspeaker LS1 negative pole series resistances R5, connect loudspeaker LS1 positive poles, reconnect+5V power supplys；Audion Q1 bases
After series resistance R6 of pole, 9 terminals of connection ranked seventh pin；
The LED circuit module includes resistance R1, resistance R2, resistance R3 and LED, and the LED includes LED 1, LED
2nd, LED 3, the LED 1, LED 2, the negative pole of LED 3 are grounded, positive pole difference series resistance R1, resistance R2, resistance R3；
The resistance R1, resistance R2, the other end of resistance R3 are sequentially connected 9 terminal blocks fourth, fifth, six pins；
9 terminals ranked nineth pin ground connection, and the 8th pin is electrically connected with power module+5V voltage terminals.
4. four pins of portable type measuring silicon material resistivity according to claim 2 are popped one's head in, it is characterised in that the power supply
The voltage of module passes through wire group（12）The device for connecting externally measured silicon material resistivity is provided.
5. four pins of portable type measuring silicon material resistivity according to claim 1 are popped one's head in, it is characterised in that four probes（1）
Metal probe using diameter 0.5mm wolfram steel pin；Four probes（1）Metal probe and surface-mounted integrated circuit（8）The probe of connection
Wire（7）Using 1.5mm copper cash.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621220996.8U CN206147009U (en) | 2016-11-14 | 2016-11-14 | Four needles probe of portable measurement silicon materials resistivity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621220996.8U CN206147009U (en) | 2016-11-14 | 2016-11-14 | Four needles probe of portable measurement silicon materials resistivity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206147009U true CN206147009U (en) | 2017-05-03 |
Family
ID=58626844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621220996.8U Withdrawn - After Issue CN206147009U (en) | 2016-11-14 | 2016-11-14 | Four needles probe of portable measurement silicon materials resistivity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206147009U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106324351A (en) * | 2016-11-14 | 2017-01-11 | 山东辰宇稀有材料科技有限公司 | Portable four-needle probe for measuring resistivity of silicon materials |
| CN109747712A (en) * | 2019-03-08 | 2019-05-14 | 途观科技有限公司 | Central axle trailer turns to angle control system |
-
2016
- 2016-11-14 CN CN201621220996.8U patent/CN206147009U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106324351A (en) * | 2016-11-14 | 2017-01-11 | 山东辰宇稀有材料科技有限公司 | Portable four-needle probe for measuring resistivity of silicon materials |
| CN106324351B (en) * | 2016-11-14 | 2023-07-18 | 山东辰宇稀有材料科技有限公司 | Portable four-needle probe for measuring resistivity of silicon material |
| CN109747712A (en) * | 2019-03-08 | 2019-05-14 | 途观科技有限公司 | Central axle trailer turns to angle control system |
| CN109747712B (en) * | 2019-03-08 | 2021-01-08 | 途观科技有限公司 | Steering included angle control system of central shaft trailer |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170503 Effective date of abandoning: 20230718 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20170503 Effective date of abandoning: 20230718 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |