CT8201

CT8201

RT & HT Die Tester

Semight RT & HT Die Tester CT8201 is a high-speed die testing system designed for DFB and EML laser devices, supporting LIV, EA, and spectral scanning at both room and high temperatures. It integrates automated wafer handling, OCR identification, dual-temperature testing, unloading, and sorting into a single platform, completing the full testing process in as little as 6 seconds. With high-precision motion control, stable probing, and advanced thermal management, the CT8201 delivers accurate, reliable, and high-throughput performance for volume production.

 

Features

10
Fully Automated and Intelligent Integrated Solutions

Highly integrated and fully automated solution covering very complex testing processes

11
High Efficiency

Improve efficiency and reduce potential risks of human involvement
Automatic switching of collimated fibers and large area photodetectors
Automatic sorting of DUTs after testing

12
Maintenance and Upgrades are Very Simple

All mechanical parts can be returned to the factory independently

13
Easy to Use

Automatic alarm status and prompt display
All instruments, test plans, pass/fail criteria are easily configurable

Functions and Advantages

Fully Automated &
Intelligent Integrated Solutions

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Loading Module

This module consists of thimble Z module, X/Y motion module, and blue film rotation module 4 sub-function modules. Pickup function. Compatibility mode of Chip package: 1 x 6-inch chip expansion ring.

High Temperature & Normal Temperature Test Module

  • Integrated module with a hollow rotating platform, dual 3-axis chip calibration modules, and a 3-axis light detection module.
  • Built-in ID and position recognition camera for accurate chip alignment and positioning.
  • Automatic position and angle calibration after loading, followed by chip power-on testing.
  • PD/Collimator function supports fast switching via a dedicated motion axis for improved testing efficiency.
  • Independent test bench temperature control with stability of ±0.2°C for consistent and reliable test results.
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Camera & Probe Power-on Module

  • Integrated loading camera and module for automatic chip recognition, supporting different incoming material configurations.
  • High/normal temperature test camera with a 3-axis motion module for precise chip position calibration after loading.
  • Automatic chip ID recognition during the high-temperature testing process.
  • Probe power-on adjustment module supports up to 3 probe sets for flexible test configurations.
  • Optional backlight PD sub-module for expanded testing capabilities.
  • Supports LIV, extinction ratio, and other key parameter testing for DFB and EML laser devices.

Blanking Binning Module

The blanking module is equipped with 4 tray placement areas, which can support 4,6-inch blue films, Or customize compatible unloading carriers according to customer needs.

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Items Specification
System Chip type Support DFB, EML and EML+SOA chips
Chip size L&W≥150 μm, H≥80~150 μm
Test Seats 2
Test items Front/back IL, WL
Test parameters Ith, Se, Iop, Pf, Vf, Kink, Rs, IRoll, λc, SMSR etc.
OCR Auto OCR
Nip Specially designed suction nozzle structure, first peeled from the material box, and then sucked up
Loading Container  1 X 6-inch blue tap
Unloading Container 4 X 6-inch blue taps
Sorting Support any requirements customer need
Standard sample control The software supports the standard sample control function. If the standard sample is tested on the local machine unit exceeding the time cycle (configurable), the system will automatically give an alarm
Test configuration control The software supports test configuration control, including test instruments, test algorithms, test sequences, test results judgment, etc.
Test Data Support all test data requested by users/support MES related requirements
Electrical SMU Type Semight self-developed SMU or other specified types
DC Current 3 A
I/V source resolution 10 fA/100 nV
I/V Measurement resolution 10fA/100nV Minimum Supply Resolution (6½ digits)
Voltage range 70 V
Pulse current 10 A
Overcharge under normal operating No EOS
Under normal operating No EOS
Overshoot under Abnormal Operation No EOS
Undershoot under Abnormal Operation No EOS
Optical Detector Type Ge
Wavelength range 800~1700 nm
Optical power measurement range 10 μW-25 mW(>25 mW with attenuation plate )
Optical power measurement accuracy 0.1 dB
Optical Spectrum Range 1250-1650 nm (850 is an option)
Optical Spectrum Accuracy 0.1nm
Power coupling efficiency Coupled power >-15 dBm
0.2 dB
Temperature Temperature control method TEC
Temperature range 25~95 ℃
Temperature zone 40 ℃/min
Temperature drop rate 2 independent temperature control zones (dual stage)
Ramp up speed 40 ℃/min
Ramp down speed 40 °C/min
Temperature accuracy ±0.5 ℃
Temperature stability ±0.2 ℃
Overall Performance Ith Repeatability ±1%
Power repeatability ±2%
Wavelength repeatability <±0.2 nm
SMSR Repeatability <3 dB
OCR success rate 99%
Test time <6s to finish all operations, including loading, OCR, 1 times LIV, 3 times Spectrum, unloading and sorting