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Dual temperature stage (four needles) bar tester

Classification:


PSS high-power BAR automatic tester supports high current, ns-level narrow pulse condition testing, fully automatic test BAR LIV curve, spectrum, and far-field parameters. Fully automatic loading and unloading, support loading of various specifications of material boxes, support unloading of various specifications of material boxes or blue film. Support variable temperature test, customers can set the temperature freely. Open measurement database to users for subsequent screening procedures.


  • Application
  • Characteristic
  • Specifications
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    • Commodity name: Dual temperature stage (four needles) bar tester
    • 型号: PSS BarT-HP-ns series
    • Describe: 100ns narrow pulse test

    PSS high-power BAR automatic tester supports high current, ns-level narrow pulse condition testing, fully automatic test BAR LIV curve, spectrum, and far-field parameters. Fully automatic loading and unloading, support loading of various specifications of material boxes, support unloading of various specifications of material boxes or blue film. Support variable temperature test, customers can set the temperature freely. Open measurement database to users for subsequent screening procedures.

    Product application

    • The equipment is used in Lidar application laser chip, industrial high power laser device, medical and display and other high power laser chip fields

  • 产品特点

    • Support a variety of mainstream specification boxes, fully automatic loading and unloading, avoid scrapping the bar chip caused by material transfer or manual operation

     

     

    • Support automatic loading BAR chip, identify and position the first chip, support ID identification, automatic test, automatic identify BAR chip test closure, automatic unloading

     

     

    • Adjustable contact pressure of suction nozzle, probe and BAR 
    • 4-probe structure developed, support four-wire voltage test, low inductance design of current charging loop, support ns-level narrow pulse output,2 pin P pole,2 pin N pole; The probe structure supports controllable adjustment of probe press down pressure, support pressure detection

     

     

    • Integrated self-developed high current 30A, narrow pulse 100ns test instrument, support BAR LIV, spectrum, far field test

     

     

    • Typical LIV test curve

     

     

    • Support MAP diagram drawing, convenient for users to analyze the performance distribution of wafer

     

     

    • Support NG Chip dot marking, support simple chip visual inspection
    • Support normal temperature and high temperature test
    • Multi-dimensional adjustable measurement structure, satisfy the needs of users for different specifications of bar measurement

  • Parameters

    Description/Value

    Suitable bar size

    length:15~30mm

    width:1~3mm,Other BAR widths tester can be customized

    Pulse current output

    range 0~30A,accuracy 0.5%rdg±200mA

    Pulse characteristic

    Min pulse width :100ns,Max duty cycle:0.1%

    Pulse voltage measurement

    range 0~40V,accuracy 0.5%rdg±200mV

    Four-wire test,Peak detection

    Pulse current measurement

    range 0~30A,accuracy 0.5%rdg±200mA,Peak detection

     

    Optical power measurement

    Equivalent photo current detection range and accuracy:

    range 0~5mA,0.5%rdg±25uA,Peak detection

    The basic configuration supports 100W input optical power,different  power ranges configure different attenuator , support customized.

    Far-field divergence angle test

    Range ±45°

    Test efficiency

    (typical)

    Single chip single temperature test time: LIV+spectrum (1 current point)+ID identification+mechanical movement total time <9s (excluding loading and unloading movement time)

    Wavelength range

    default : PD:800-1700 nm,short wavelength can select 400-1100 PD

    High temperature control range

    Room temperature +15~85℃,accuracy<±1℃

    Room temperature control range

    25~50℃,accuracy ±1℃

    Equipment size

    Including signal light and display:1250mm×1070mm×1900mm(L×W×H)

    Air supply requirements

    Positive pressure:> 0.4MPa

    Negative pressure:If so, < -80KPa