Industry-Verified Manufacturing Data (2026)

Image Sensor

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Image Sensor used in the Computer, Electronic and Optical Product Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Image Sensor is characterized by the integration of Photodiode Array and Color Filter Array (CFA). In industrial production environments, manufacturers listed on CNFX commonly emphasize Silicon construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A semiconductor device that converts optical images into electronic signals.

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Product Specifications

Technical details and manufacturing context for Image Sensor

Definition
An image sensor is a critical component within an Image Processing Unit that captures incoming light through a lens and converts it into digital signals. It serves as the 'eye' of the system, providing the raw data that subsequent processing stages analyze, enhance, and interpret to produce usable images or video.
Working Principle
Image sensors operate by using an array of photodiodes (pixels) to detect photons of light. When light strikes a pixel, it generates an electrical charge proportional to the light intensity. This charge is then converted into a voltage, amplified, and digitized by an analog-to-digital converter (ADC) to create a digital representation of the captured scene. The two main technologies are CCD (Charge-Coupled Device) and CMOS (Complementary Metal-Oxide-Semiconductor).
Common Materials
Silicon
Technical Parameters
  • The physical dimensions of the sensor's active area (e.g., 1/2.3", 1"). This size, along with pixel count, determines the sensor's field of view and influences lens design. (mm) Standard Spec
Components / BOM
  • Photodiode Array
    The core light-sensitive element where each photodiode (pixel) converts incoming photons into an electrical charge.
    Material: Silicon
  • Color Filter Array (CFA)
    A mosaic of red, green, and blue filters placed over the photodiodes to enable color capture (e.g., Bayer pattern).
    Material: Dyed polymer or pigment
  • Micro-lens Array
    A layer of tiny lenses, one per pixel, that focuses incoming light onto the active area of each photodiode to improve light collection efficiency.
    Material: Polymer or silica
Engineering Reasoning
0.1-100000 lux illumination, -40°C to +85°C ambient temperature, 3.3V ±5% supply voltage
>150000 lux causes pixel saturation and permanent charge accumulation, >125°C junction temperature causes silicon lattice damage, >3.6V supply voltage causes gate oxide breakdown
Design Rationale: Photodiode quantum efficiency degradation due to hot carrier injection at high photon flux, thermal expansion mismatch between silicon and microlens array causing delamination, Fowler-Nordheim tunneling through thin gate oxide at elevated voltages
Risk Mitigation (FMEA)
Trigger Electrostatic discharge exceeding 2000V HBM
Mode: Gate oxide puncture in CMOS transistors
Strategy: Integrated ESD protection diodes with 0.5μm snapback spacing and 50Ω series resistors at all I/O pads
Trigger Mechanical stress exceeding 150MPa from improper mounting
Mode: Microcrack propagation in silicon substrate
Strategy: Stress-relief mounting brackets with 0.1mm compliance gap and anisotropic conductive film bonding

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Image Sensor.

silicon image sensor for optical manufacturing photodiode array image sensor components micro-lens array color filter sensor electronic signal conversion image sensor computer optical product manufacturing sensors

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Image Processing Unit
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Industrial Camera Module
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Vision/Positioning Sensors
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Vision camera system
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Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric (sealed package), 0-1 atm typical
other spec: Illuminance range: 0.01 lux to 100,000 lux, Quantum Efficiency: 30-80% depending on wavelength
temperature: -40°C to +85°C (operational), -55°C to +125°C (storage)
Media Compatibility
✓ Visible light spectrum (400-700nm) ✓ Near-infrared (700-1000nm) ✓ UV-filtered environments
Unsuitable: Direct high-intensity UV radiation without protective coating
Sizing Data Required
  • Resolution (pixel count)
  • Pixel size (μm)
  • Frame rate (fps)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Image Sensor Degradation
Cause: Contamination ingress (dust, oil, moisture) leading to pixel defects, lens fogging, or electrical short circuits due to inadequate sealing or environmental exposure.
Signal Integrity Loss
Cause: Thermal cycling or vibration-induced fatigue causing solder joint failures, connector loosening, or cable damage, resulting in intermittent or complete loss of image data transmission.
Maintenance Indicators
  • Intermittent or flickering image output during operation, indicating potential connection or sensor instability.
  • Visible condensation, dust accumulation, or physical damage on the sensor lens or housing, suggesting compromised environmental protection.
Engineering Tips
  • Implement regular environmental sealing integrity checks and use protective enclosures (e.g., IP-rated housings) to prevent contamination and moisture ingress.
  • Ensure proper mounting with vibration-damping materials and conduct periodic thermal imaging inspections to detect overheating from poor connections or sensor stress.

Compliance & Manufacturing Standards

Reference Standards
ISO 12233:2017 (Photography - Electronic still picture imaging - Resolution and spatial frequency responses) IEC 62471:2006 (Photobiological safety of lamps and lamp systems) CE marking (EU compliance for electromagnetic compatibility and safety)
Manufacturing Precision
  • Pixel pitch uniformity: +/-0.5% across sensor array
  • Optical flatness: <λ/4 at 550nm wavelength
Quality Inspection
  • Dark current and hot pixel analysis
  • Modulation Transfer Function (MTF) measurement

Factories Producing Image Sensor

Verified manufacturers with capability to produce this product in China

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✓ 98% Supplier Capability Match Found

P Procurement Specialist from Singapore Feb 16, 2026
★★★★★
"Great transparency on the Image Sensor components. Essential for our Computer, Electronic and Optical Product Manufacturing supply chain."
Technical Specifications Verified
T Technical Director from Germany Feb 13, 2026
★★★★★
"The Image Sensor we sourced perfectly fits our Computer, Electronic and Optical Product Manufacturing production line requirements."
Technical Specifications Verified
P Project Engineer from Brazil Feb 10, 2026
★★★★★
"Found 33+ suppliers for Image Sensor on CNFX, but this spec remains the most cost-effective."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

6 sourcing managers are analyzing this specification now. Last inquiry for Image Sensor from UAE (1h ago).

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Frequently Asked Questions

What are the key components in an image sensor's bill of materials?

The essential BOM components include a Color Filter Array (CFA) for color separation, a Micro-lens Array to focus light, and a Photodiode Array that converts light into electrical signals.

Why is silicon used as the primary material for image sensors?

Silicon is ideal for image sensors due to its excellent semiconductor properties, light sensitivity, and compatibility with established semiconductor manufacturing processes in the electronics industry.

How does an image sensor convert optical images to electronic signals?

Light passes through micro-lenses and color filters onto photodiodes in a silicon substrate, where photons are converted to electrons, creating electrical signals that form a digital image representation.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data Specifications verified by CNFX Industrial Index (v2.6.03) for Computer, Electronic and Optical Product Manufacturing sector.

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