Industry-Verified Manufacturing Data (2026)

Photodetector Array (e.g., CMOS/CCD)

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Photodetector Array (e.g., CMOS/CCD) 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 Photodetector Array (e.g., CMOS/CCD) is characterized by the integration of Photosensitive Pixel and Readout Circuit. In industrial production environments, manufacturers listed on CNFX commonly emphasize Silicon construction to support stable, high-cycle operation across diverse manufacturing scenarios.

An array of light-sensitive elements that converts optical signals into electrical signals for detection and measurement.

Product Specifications

Technical details and manufacturing context for Photodetector Array (e.g., CMOS/CCD)

Definition
A photodetector array is a key component within an Optical Sensor Head that consists of multiple individual photodetectors arranged in a grid pattern. It captures incoming light patterns and converts them into corresponding electrical signals, enabling the sensor head to detect, measure, and analyze optical information with spatial resolution. Common implementations include CMOS (Complementary Metal-Oxide-Semiconductor) and CCD (Charge-Coupled Device) technologies.
Working Principle
When photons strike the photosensitive surface of the array elements, they generate electron-hole pairs through the photoelectric effect. In CMOS arrays, each pixel typically has its own amplifier and readout circuit, allowing for faster and more flexible operation. In CCD arrays, accumulated charge packets are transferred sequentially through the array to a readout amplifier. The resulting electrical signals are then processed to reconstruct the spatial distribution and intensity of the incident light.
Common Materials
Silicon, Germanium, Indium Gallium Arsenide (InGaAs)
Technical Parameters
  • Array resolution (e.g., 1024x768) (pixels) Customizable
Components / BOM
  • Photosensitive Pixel
    Converts incident photons into electrical charge
    Material: Silicon
  • Readout Circuit
    Amplifies and transfers the generated electrical signals
    Material: Semiconductor materials
  • Micro-lens Array
    Focuses incoming light onto the photosensitive areas to improve light collection efficiency
    Material: Glass or polymer
Engineering Reasoning
1.0e-6 to 1.0e-3 W/cm² optical power density, 400-1100 nm wavelength, -40°C to 85°C ambient temperature
Saturation at 1.5e-3 W/cm² optical power density, dark current exceeding 100 pA/pixel at 60°C, quantum efficiency drop below 30% at 950 nm
Design Rationale: Photodiode junction thermal runaway at 85°C ambient temperature causing carrier multiplication exceeding 1e6 electrons/pixel/second, leading to blooming and charge transfer inefficiency in CCD shift registers exceeding 0.1% per transfer
Risk Mitigation (FMEA)
Trigger Photon flux exceeding 1.0e15 photons/cm²/sec at 550 nm wavelength
Mode: Pixel saturation causing charge spillage into adjacent pixels (blooming)
Strategy: Anti-blooming drain structures with 10⁵ Ω/cm sheet resistance and pixel well capacity of 100,000 electrons
Trigger Thermal generation-recombination current exceeding 1 nA/cm² at 60°C junction temperature
Mode: Dark current noise exceeding signal-to-noise ratio of 40 dB
Strategy: Peltier cooling to maintain -20°C sensor temperature with 0.1°C stability and deep depletion region doping of 1e14 atoms/cm³

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Photodetector Array (e.g., CMOS/CCD).

Applied To / Applications

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

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric to 1.5 atm (typical), vacuum compatible with proper packaging
other spec: Wavelength range: 200-1100 nm (visible to near-IR), pixel pitch: 1-50 μm, quantum efficiency: 30-90% depending on wavelength
temperature: -40°C to +85°C (operational), -55°C to +125°C (storage)
Media Compatibility
✓ Visible light spectroscopy ✓ Laser beam profiling ✓ Machine vision inspection
Unsuitable: High-energy radiation environments (X-ray, gamma ray) without specialized shielding
Sizing Data Required
  • Required spatial resolution (pixel count/pitch)
  • Spectral response range and quantum efficiency requirements
  • Frame rate and readout speed specifications

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Pixel degradation
Cause: Thermal stress from prolonged operation or environmental temperature fluctuations leading to material fatigue and reduced sensitivity
Contamination-induced signal loss
Cause: Accumulation of dust, moisture, or chemical residues on the sensor surface or optical components, obstructing light transmission
Maintenance Indicators
  • Increased image noise or fixed pattern artifacts visible in output data
  • Unexpected dark current spikes or inconsistent pixel response across the array
Engineering Tips
  • Implement strict environmental controls including temperature stabilization and particulate filtration in the operating enclosure
  • Establish regular calibration cycles using reference light sources and automated pixel response mapping to detect early degradation

Compliance & Manufacturing Standards

Reference Standards
ISO 12232:2019 (Photography - Digital still cameras - Determination of exposure index, ISO speed ratings, standard output sensitivity, and recommended exposure index) IEC 60747-5-5 (Semiconductor devices - Discrete devices and integrated circuits - Part 5-5: Optoelectronic devices - Photodetectors) CE marking per EU EMC Directive 2014/30/EU and RoHS Directive 2011/65/EU
Manufacturing Precision
  • Pixel pitch uniformity: +/- 0.5% across array
  • Quantum efficiency variation: +/- 3% at specified wavelength
Quality Inspection
  • Dark current and noise measurement test
  • Spectral response and linearity verification

Factories Producing Photodetector Array (e.g., CMOS/CCD)

Verified manufacturers with capability to produce this product in China

✓ 97% Supplier Capability Match Found

T Technical Director from Canada Jan 30, 2026
★★★★★
"Reliable performance in harsh Computer, Electronic and Optical Product Manufacturing environments. No issues with the Photodetector Array (e.g., CMOS/CCD) so far."
Technical Specifications Verified
P Project Engineer from United States Jan 27, 2026
★★★★☆
"Testing the Photodetector Array (e.g., CMOS/CCD) now; the technical reliability results are within 1% of the laboratory datasheet. (Delivery took slightly longer than expected, but technical support was excellent.)"
Technical Specifications Verified
S Sourcing Manager from United Arab Emirates Jan 24, 2026
★★★★★
"Impressive build quality. Especially the technical reliability is very stable during long-term operation."
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.”

8 sourcing managers are analyzing this specification now. Last inquiry for Photodetector Array (e.g., CMOS/CCD) from Poland (17m ago).

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Frequently Asked Questions

What are the key applications of photodetector arrays in electronics manufacturing?

Photodetector arrays are essential in optical sensing, imaging systems, spectroscopy, and quality control applications within computer, electronic, and optical product manufacturing, enabling precise light detection and signal conversion.

How does the micro-lens array enhance photodetector performance?

The micro-lens array focuses incident light onto the photosensitive pixels, increasing light collection efficiency, improving signal-to-noise ratio, and enhancing overall sensitivity and accuracy in optical detection systems.

What are the advantages of using InGaAs in photodetector arrays?

Indium Gallium Arsenide (InGaAs) offers superior performance in near-infrared wavelengths, higher quantum efficiency, faster response times, and better temperature stability compared to silicon-only detectors, making it ideal for specialized optical applications.

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.

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