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Laser Diode Burn-in

BI6201

CoC Burn-in System



The BI6201 Burn-in System is a high-density, multi-functional testing system specifically designed for the verification of the burn-in lifespan of semiconductor laser chips. The system adopts a modular framework and a large single-layer structure, significantly reducing system costs by integrating multi-channel power supplies, temperature controllers, real-time data acquisition capabilities, as well as standardized drawers and flexible fixture configurations. Customized test fixtures are suitable for various packaging types of semiconductor lasers, such as CoC (Chip on Carrier),etc. of different sizes. The fixtures can be easily replaced to adapt with different types of devices. The driving circuit of BI6201 features excellent protection networks to prevent any current or voltage overshoot, eliminating potential EOS risks. It also allows setting thresholds for current and voltage, and the system can shut down abnormal channels when the output values exceed the threshold, providing enhanced protection for the tested chips. In addition to integrating protection functions into the control circuit, the system design also considers channel-to-channel isolation performance and electrostatic discharge (ESD) protection.


Features

  • Driving Power Supply

    Supports up to 4224 channels of 4-quadrant SMU driving power
  • Strong Thermal Conductivity

    Temperature deviation < ±1℃ for the overall thermal sink(40~100℃)
  • Temperature Control

    Each fixture has independent heating, temperature control, monitoring, over temperature protection and heat dissipation units for energy saving.
  • Fixture

    Fishbone-type fixture which support wire bonding on it
  • Safety and Reliability

    Comprehensive protection mechanisms through hardware and software eliminate potential issues such as EOS
  • Online Power Monitoring

    Optional configuration for online power monitoring, supporting complete LIV or EA scans, with the ability to analyze Ith. The test repeatability deviation <±1%
  • 4224 CoC Simultaneously Burn-in

    Production capacity flexibly configured based on customer requirements
  • Software Functions

    All test results, test statuses, and abnormal conditions are recorded in the database which could be stored and traced efficiently

Functions and Advantages


  • Special Temperature Control Structure with Excellent Thermal Conductivity

    CoC, CoS drawer and clamp

No.

Module

Part number

Description

1

CoC Burn-in System cabinet (including computer)

P09000049

Main frame, computer, software(remark: up to 11 layers)

2

CoC Burn-in System single layer (including driving board)

P02004297

- 48 channels four -quadrant driving board

- Switch mode power supply

- Temperature control module

- 617 back panel

- CDA N2 control system

3

Burn-in drawer

P02004341

- Front fan

- Heating plate and air cooling temperature control, Temperature range 40~120℃

- G4 long fixture, fixture bottom plate thickness 1mm

- Double fixtures in each drawer

- DML CoC capacity up to 96pcs

- EML CoC capacity up to 48pcs(EA=-2V)

P02000459

- With front fan

- Heating plate and air cooling temperature control, Temperature range 40~150℃

- G4 long fixture, fixture bottom plate thickness 1mm

- Double fixtures in each drawer

- DML CoC capacity up to 96pcs

- EML CoC capacity up to 48pcs (EA=-2V)

P0200330

- With front fan

- Heating plate and air cooling temperature control, Temperature range 40~120℃

- G4 long and wide fixture, fixture bottom plate thickness 1mm

- Double fixtures in each drawer

- DML CoC capacity up to 96pcs

- EML CoC capacity up to 48pcs (EA=-2V)

P0200235

- No front fan

- Heating plate and air cooling temperature control, Temperature range 40~120℃

- G4 short fixture, fixture bottom plate thickness 1mm

- Double fixtures in each drawer

- DML CoC capacity up to 64pcs

- EML CoC capacity up to 64pcs (EA parallel power supply)

FB020003

-32 channel fixture+ 6 kind of 2mm fixture drawer

FB020231

- With front fan

- Drawer temperature control range 40~150℃

- G4 long fixture, fixture bottom plate thickness 1mm,buckle structure

- Drawer EA grounding

4

Burn-in fixture(including up and bottom fixtures)

C04000223

- Support 48 channel DML CoC 

2mm & 1mm

5

Load board

 

5Ω resistor board


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