SG-A CMOS Image Sensor Tester

NT$100

An Advanced Commercial CMOS Image Sensor Testing Platform.

SG-A can provide the most comprehensive CMOS image sensor parameter characterizations, such as full-spectrum quantum efficiency QE, overall system gain K, temporal dark noise, signal-to-noise ratio, absolute sensitivity threshold, saturation capacity, dynamic range, DSNU, PRNU, Linearity error, and chief-ray angle CRA.

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    Description

    SG-A can provide the most comprehensive CMOS image sensor parameter characterizations, such as full-spectrum quantum efficiency QE, overall system gain K, temporal dark noise, signal-to-noise ratio, absolute sensitivity threshold, saturation capacity, dynamic range, DSNU, PRNU, Linearity error, and chief-ray angle CRA.

    The device under test can be several type of CMOS image sensor modules. The inspection procedures are complied with the EMVA 1288 standard.

    Therefore, SG-A CMOS image sensor tester can be used to do wafer-level optics inspection, processing parameters controlling, micro-lens design, micro-lens verification. The highly collimated beam (< 1°) of the SG-A CMOS image sensor tester can overcome the inspection difficulties of new manufacturing processes that traditional optical systems (such as integrating sphere systems) cannot solve.

    The processes include small pixelĀ  Ā (< 1 um), BSI and 3D stacking, micro lens, new Bayer array design, and so on.

    Features

    • non-destructive optical inspection.
    • High collimated beam angle; <0.05°, <0.1°, <0.5°, <1°, <3°(different models).
    • High Uniform Beam spot: ≄ 99%.
    • Light instability ≤ 1%.
    • High dynamic range testing capability: 80dB~140dB (different models).
    • Can test CMOS image sensor parameters: Quantum efficiency, Spectral Response, System Gain, Sensitivity, Dynamic Range, Dark Current/Noise, SNR, Saturation Capacity, Linearity Error (LE), DCNU (Dark Current Non-Uniformity), PRNU (Photo Response Non-Uniformity), CRA (Chief Ray Angle).
    • Full Spectrum wavelength range: 300nm-1100nm or 350nm~1000nm (PTC).
    • Wavelength can be extended to 1700nm or more.
    • DUT package: CIS module, PCB Board level, CIS Camera, with/without micro-lens.
    • ā€œDirectā€ or ā€œHandshakeā€ communication protocol between SG-A and DUT.
    • Customized test fixture and stages (manual or automatic, max 6-axises).
    • Powerful analyzing software ARGUSĀ®.
    • Application: fingerprint recognition (CIS+Lens, CIS+collimator, TFT-array sensor) micro-lens design of CIS, wafer level optics inspection, CIS DSP chip algorithm development, Si TFT sensor panel, Time-of-Flight camera sensor, Proximity Sensor (Quantum efficiency, sensitivity, linearity, SNR et al.,),d-ToF sensor, i-ToF sensor, Multi-spectral sensor, Ambient light sensor (ALS), Fingerprint-Under-Display (FoD) sensor.

    Introducing SG-A: A Revolutionary CIS Optical Testing Instrument for Enhanced Performance

    The SG-A incorporates a modular and integrated design, offering numerous advantages that save valuable time and reduce trial-and-error costs. For semiconductor engineers, this design approach provides unparalleled flexibility and customization capabilities, enabling rapid identification and resolution of production issues. Furthermore, this design approach minimizes risks and uncertainties during the manufacturing process, enhancing efficiency and product quality.

    Modular and integrated design facilitates faster time-to-market for customers due to its customizability, allowing quick adjustments and improvements based on specific customer needs and requirements. This capability significantly reduces customers’ R&D costs and time, enabling them to deliver customized products to the market faster, thereby enhancing their market competitiveness.

    SG-A not only complies with international standards such as the EMVA1288 standard but also meets the ISO 17025 standard for overall system calibration. This ensures that the testing results are traceable to the international SI (System International) base units, enabling international comparability. This provides our esteemed customers with unparalleled credibility and stability.

    SG-A enables comprehensive assessment and analysis of CIS (Complementary Metal-Oxide-Semiconductor) products in various manufacturing stages, including wafers, chips, and modules. This advanced optical inspection method provides semiconductor engineers with an efficient and precise testing approach. It not only allows testing without damaging the product but also offers deep insights into the performance of CIS products, facilitating quality improvements.

    Furthermore, optical inspection technology offers several advantages such as high throughput, reliability, and efficiency, providing crucial testing support at each stage of CIS product manufacturing.

    SG-A, paired with the powerful analysis software ARGUSĀ®, provides you with comprehensive testing capabilities for CIS image sensors’ performance parameters, allowing you to explore the full-spectrum quantum efficiency and study the sensor’s response at different wavelengths. This comprehensive understanding enables you to optimize the sensor’s performance, ensuring optimal sensitivity and capturing stunning images.

    Another advantage of SG-A and ARGUSĀ® is spectral response analysis. You can evaluate the sensor’s response to different wavelengths, allowing you to optimize its performance in specific lighting conditions and applications. Such optimization can achieve unparalleled color accuracy and fidelity.

    System gain evaluation is crucial for obtaining high-quality images and minimizing noise. SG-A and ARGUSĀ® can precisely measure and analyze the sensor’s gain characteristics, enabling you to enhance image quality, especially in low-light environments, for sharper and more vibrant images.

    Sensitivity analysis provided by SG-A and ARGUSĀ® allows you to assess the sensor’s ability to capture fine details and variations in light intensity. By optimizing sensitivity, you can push the limits of image quality, ensuring each photo has outstanding clarity and definition.

    Dynamic range evaluation is essential for capturing scenes with large variations in brightness. SG-A and ARGUSĀ® enable you to analyze the sensor’s dynamic range capability, ensuring the retention of details in both highlight and shadow areas. This optimization allows your images to have excellent tonal range and balanced exposure.

    Dark noise evaluation is crucial for reducing unnecessary noise and image artifacts in low-light conditions. SG-A and ARGUSĀ® provide detailed dark noise analysis, allowing you to optimize denoising algorithms and obtain clear, noise-free images even in challenging lighting conditions.

    Signal-to-noise ratio (SNR) analysis provided by SG-A and ARGUSĀ® allows you to evaluate the quality of images by quantifying the ratio between the desired signal and unwanted noise. By maximizing the SNR, you can obtain clear images, reduce noise artifacts, and enhance overall image fidelity.

    Saturation capacity analysis is vital for understanding the sensor’s ability to capture and reproduce colors at their limits. Through SG-A and ARGUSĀ®, you can evaluate the sensor’s saturation capacity, ensuring vivid and true-to-life colors even under the most challenging lighting conditions.

    Linear error (LE) evaluation helps understand the accuracy of the sensor’s response to linearly increasing light intensity. By analyzing and minimizing linear error, you can achieve consistent and accurate exposure, ensuring faithful reproduction of scenes with precise color gradients.

    SG-A and ARGUSĀ® also support the evaluation of dark current non-uniformity (DCNU) and photoresponse non-uniformity (PRNU). These analyses provide insights into the sensor’s uniformity, allowing you to identify and mitigate any non-uniformity issues, achieving more consistent and reliable performance.

    Additionally, SG-A can also measure the chief ray angle (CRA), which determines the angle at which the chief ray enters the sensor. By accurately assessing the CRA, you can ensure optimal light collection, greatly enhancing image sharpness and quality.

    SG-A and ARGUSĀ® provide a comprehensive solution for testing and analyzing CIS image sensors, offering valuable data and insights to enhance product performance and achieve exceptional image quality. Step into this cutting-edge technology and let SG-A and ARGUSĀ® propel your CIS sensor production to new heights.

    Specification

    The capability of SG-A CMOS image sensor tester is very powerful; therefore the relevant specifications and accessories are very complete. Please contact us for more details and the selection consulting.

    The followings are main capability specifications:

    – Full-spectrum wavelength range: 300-1100nm or 350-1000nm (PTC)
    – Wavelength range can be extended to 1700nm or more.
    – Single wavelength source: 470nm, 530nm, 630nm, 940nm (±5nm), or customized
    – Dynamic Range: 80dB, 100dB, or 140dB
    – Test fixtures: DUT≤ 100mm x 100mm x 30mm(Hight)[Basic type] or customized
    – Stage: Non, manual 3-axis, or 6-axis (manual + automatic) stages (can be customized)

    System Design

    Enlitech-SG-A-Design Enlitech-SG-A-Design

    CMOS Image Sensor (CIS) Testing

    Enlitech-SG-A-design

    The SG-A system features an excellent optical system design, which utilizes non-destructive optical modulation techniques to reverse-translate digital image signals into analog signal characteristics. It enables the measurement of various parameters such as quantum efficiency, spectral response, system gain, dynamic range, dark current noise, SNR, saturation capacity, linearity error (LE), dark current non-uniformity (DNU), photoresponse non-uniformity (PRNU), and chief ray angle (CRA).

    The testing data is as follows:

    sga-proof-2

    sga-proof

    sga-proof

    TFT Image Module Development and Verification (FoD)

    sga-proof-5-768x314.jpg-1

    As full-screen smartphone designs have become mainstream, optical under-display fingerprint recognition has also gained significant market attention. Among them, the development of TFT under-display image recognition modules has become a fiercely contested area for display manufacturers and display driver chip developers. SG-A adopts non-destructive optical inspection technology, which enables rapid detection of various crucial parameters of TFT image modules, such as full-spectrum quantum efficiency testing, without the need for destructive sample preparation. This accelerates the overall product design and verification

    Application

    Application
    Fingerprint recognition (CIS+Lens, CIS+collimator, TFT-array sensor)Micro-lens design of CIS, wafer level optics inspection
    CIS DSP chip algorithm developmentSi TFT sensor panel
    Time-of-Flight camera sensorProximity Sensor (Quantum efficiency, sensitivity, linearity, SNR et al.,)
    d-ToF sensor, i-ToF sensorMulti-spectral sensor
    Ambient light sensor (ALS)Fingerprint-Under-Display (FoD) sensor

    Can test CMOS image sensor parameters

    Can test CMOS image sensor parameters
    Quantum efficiencySpatial nonuniformity (DSNU, PRNU)
    Overall system gainLinearity error
    Temporal dark noiseCRA
    Signal-to–noise ratioSaturation capacity
    Absolute sensitivity thresholdDynamic range

    Customer Testimonials

    Ā 

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    Camera Sample Stageā—Calibration/Test Manual Adjustment Switch
    ā—Adjustment Precision: 10 μm
    ā—Compatible with Maximum Sample Size: 80 mm x 80 mm x 45 mm (thickness)
    ā—Maximum Load Capacity: 5 kg
    Automated CRA Testing Moduleā—CRA Testing Software
    ā—Maximum Sample Size: 80 mm x 80 mm x 45 mm (thickness) Load Capacity: 3 kg
    ā—Computer-Controlled Rotating Sample Stage
    ā—Rotation Angle Range: ±80
    ā—Degrees Rotation Resolution: 0.01 degrees
    ā—Automatic XY Axis Displacement Control
    ā—Calibration/Test Position Fast Positioning Switch Displacement
    ā—Distance: ±50 mm Displacement
    ā—Precision: 2 μm Z-Axis
    ā—Displacement Control (Manual Control)
    ā—Displacement Distance: ±6 mm
    ā—Displacement Precision: 10 μm
    DarkroomDimensions: 1000 mm x 900 mm x 1400 mm (with 10% clearance space)
    Full-Wavelength High Dynamic Range Light Intensity Variation Functionā—Automatic Linear Light Intensity Adjuster
    ā—Continuous Fine Adjustment of Light Intensity
    ā—Light Intensity Control Range: 0-100%
    ā—Scanning Accuracy: 0.1%
    Repeatability Accuracy: Better than 3%
    ā—Automatic Control

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