Laser trimming Machine for Automobile Sensor

     Laser trimming Machine for Automobile Sensor

Introduction:

The laser resistance trimming machine of Wuhan Questt ASIA Technology Co., Ltd. is specially developed and produced for the thick film circuit and thin film circuit industry. Source trimming (resistance adjustment) and active trimming (circuit function adjustment) are mainly used for high-precision trimming of thin-film, thick-film, hybrid integrated circuits and various electronic modules, involving the following industries:

1.Automotive Electronics

2.Sensors

3.Communication electronics

4.Military industry is in scientific research

5.Medical

6.Industrial Electronics

7.Aerospace

The laser resistance trimming machines produced by our company are independently developed from the core measurement control system, software system, etc., and have all independent intellectual property rights, which can provide customers with comprehensive laser resistance trimming application solutions.

Main configuration of a single device

Technical parameter

1．Laser system

• lLaser wavelength: 1064nm
• lAverage laser power: 6W@10KHZ (TEM00)
• lTypical spot size: 30-40µm
• lFocus mode: computer program control

2．Laser beam positioning system

• lLaser scanning range: 60mm X 60mm
• lRepeat positioning accuracy: 2.5µm
• lLaser beam motion resolution: 1µm
• lMaximum scanning speed: 7000mm/s
• lPositioning method: programmable positioning or image recognition automatic positioning

3. Image surveillance system

• lMonitoring method: laser coaxial monitoring
• lProprietary technology: achromatic technology, laser and imaging overlap within the format
• lMonitoring field of view: 4-6mm (diagonal)
• lLighting source: LED lighting

4. measuring system

• lResistance measurement method: add current to measure voltage

Four-wire system, two-wire system computer program control

• lResistance measurement mode: three-speed mode setting, programmable control
• lResistance measurement range: 0.1Ω-100MΩ (16bit resolution)
• lResistance measurement accuracy:

0.1Ω< Rx < 100Ω ±0.02% + 0.5% / Rx

100Ω< Rx < 100KΩ ±0.02%

100KΩ< Rx < 100MΩ ±0.02% + 0.05% * Rx

• l Resistance measurement speed: 25µs
• lDC voltage resolution: 0.16µV (under 10mV full scale condition)
• lProbe board: 48PIN, any definition, compatible with ESI imported equipment
• lProbe board movement: computer program control
• lVoltage measurement range: ±100mV~ ±10V 16bit resolution (other ranges are optional)

5. Computers and Software Systems

• lSoftware programmable, can flexibly realize automatic operation, meet resistance adjustment and circuit function adjustment
• lDatabase function, all resistance adjustment data can be written to the database for storage, with good traceability
• lThe resistance can be controlled by manual single-chip control, and it can also be automatically adjusted by continuous matrix (continuous chip processing)
• lAccurate resistance adjustment can be performed by setting the laser dot resistance adjustment method
• lAccording to the difference of the initial resistance value, different resistance adjustment parameters can be selected to perform resistance adjustment

6. Step-and-repeat mechanical motion system

• lMovement mode: linear motor motion system
• lMotion range: 300mm*300mm
• lMaximum ceramic substrate size: 150mm*150mm
• lMotion resolution: 1µm
• lRepeat accuracy: ±1µm
• lPositioning accuracy: ±10µm
• lMaximum speed: 1000mm/s (no load)
• lMotion acceleration: 1.5G

7. Other technical indicators

• lCooling method: air cooling
• lPower supply voltage: 220V AC Air pressure: <0.4MPa Power consumption of the whole machine: 2500W

FAQ

1. Q: Can you provide overseas services?

A: Engineers can serve overseas.

2. Q: How to use the machine?

A: Before sending the packaging machine to you, we will install it and test it, and then pack the whole device in a wooden box, so you do n’t need to install it again,

3. Q: Test packaging Before shipment?

A: we will surely 100% of the experimental test machine will be normal without problems.

4. Q: What is the warranty period?

A: One year warranty for the whole machine.

5. Q: What is the payment term?

A: Accept L / C or TT.

6. Q: What is the delivery time?

A: 15-20 days after receiving the deposit. Contact: 7 * 24 hours online service If you need to pack other materials / products or have any questions about the packaging machine, please feel free to email me or call us.