Semiconductor material four probe tester

Semiconductor materialFour probe tester

BDST-300ChalfConductive material resistance tester

1Scope of Application

●Use a four probe fixture to test the resistance and resistivity of semiconductor materials, metal coatings, conductive films, and other materials in the form of shapes or blocks

●Use a Kelvin test clip to directly test the DC resistance of the resistor;

The four terminal testing method is currently one of the better testing methods, mainly for testing products that require high precision; This instrument is widely used in production enterprises, universities, and research departments, and is an important tool for inspecting and analyzing the quality of conductor and semiconductor materials.

The four probe testing instrument is equipped with various measuring devices to test the conductivity of different materials. LCD display, no need for manual calculation, with temperature compensation function, automatic selection of conductivity unit,The material conductivity tester automatically measures and converts the range based on the test results, without the need for manual multiple and repetitive settings. Optional: Equipped with software that can be controlled by a computer, and can save and print data, automatically generate charts and reports.

Four probe testeradoptThe 4.3-inch large LCD screen displays the resistance value, resistivity, square resistance, conductivity value, temperature, and unit automatic conversion. Different testing fixtures can be configured to meet the testing requirements of different materials. Testing fixtures can be selected according to product and testing project requirements

Provide interface options in either Chinese or English to meet the needs of both domestic and international customers

The four probe resistance tester is a specialized instrument that uses the four probe principle to measure block resistance, and displays both resistivity and conductivity simultaneously. instrument

test scope0-10M Ω, minimum resolution of 0.1u Ω, resistance accuracy of 0.01%, accuracy of 2%. Can be used to test the electrical resistance and resistivity of materials such as semiconductors, metal coatings, conductive films, etc.

Four probe testerFeatures:

1Resistance accuracy: 0.01%, minimum resolution of 0.1u Ω;

2Square resistance precision: 1%, minimum resolution: 0.1u Ω;

3Dual electrical measurement principle, improving accuracy and stability;

4Test probes can be arranged in straight or rectangular shapes;

5Standard RS232, LAN, IO, communication ports;

6Wear software to view and record test data;

2、 Instrumentparameter

1. Easy to view display/intuitive operability: high brightness, ultra clear 4.3-inch color LCD display; Easy to operate and intuitive to use;

2. The basic settings are easy to operate, including square resistance, electrical resistance, electrical resistivity, conductivity, and sorting results; Multiple parameters are displayed simultaneously.

3. High precision: Resistance basic accuracy: 0.01％；

Basic accuracy of square resistance:1%；

Basic accuracy of resistivity:1%

4. Maximum relative error of the whole machine measurement: ≤±1%Measurement standard uncertainty of the whole machine: ≤±1%

5. Four and a half digit display reading;tenAutomatic or manual range testing;20mΩ/200mΩ/2000mΩ/20Ω/200Ω/2000Ω/20kΩ/200kΩ/2000ΚΩ/10ΜΩ10 levels of sorting; Implement HIGH-IN/LOW sorting

6. Wide measurement range: Resistance: 10-⁷Ω～10+⁸Ω ； Square resistance: 10^-7Ω/□～10⁺⁸Ω/□;

7. Correction of measurement resistance error using forward and reverse current sourcespoor

8. Constant current source: The current range is:DC100mA-1AThe instrument is equipped with a constant current source switch to effectively protect the tested object, that is, first press the probe head onto the tested material, and then turn on the constant current source switch to avoid instant ignition during contact. In order to improve work efficiency, when the probe is charged and pressed against the single crystal without affecting the material and measurement, the constant current source switch can be kept in the on state.

9. Can be tested with multiple probes; It can also be tested with various testing platforms.

10. Calibration function: The test range can be manually or automatically selected to automatically reset to full range.

11. The thickness can be preset, and the resistivity of the sample can be automatically corrected without the need to look up a table to calculate the resistivity.

12. Automatically reverse the current and measure the resistivity (or block resistance) under forward and reverse currents, displaying the average value When measuring thin films, automatic thickness correction can be performed.

13. Dual electrical testing mode, with high measurement accuracy and good stability

14. Equipped with temperature compensation function to correct the deviation of test results caused by temperature drift of the tested material.

15. The comparator determines that the light is directly displayed without the need to check the screen, which improves work efficiency. 3-level sorting function: exceeding the upper limit, qualified, exceeding the lower limit, can perform HI/LOW judgment on the tested part, and can be directly displayed on the LCD with a logo; More detailed sorting results can also be output through USB or RS232 interfaces.

16. Test mode: Can be connected to a computer for testing, or can be tested without connecting to a computer.

17Software function (optional): The software can record, save, and analyze test data at various points; Users can perform various data partitioning on the data

Analyze.

18. Display language: English/Chinese

19. Power supply mode 110v/220v