PHOTON COUNTING DEVICE AND PHOTON COUNTING METHOD
DE602018091757T2Active Publication Date: 2026-06-10HAMAMATSU PHOTONICS KK
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Patent Information
- Application Number
- DE602018091757
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- Filing Date
- 2018-06-18
- Publication Date
- 2026-06-10
- Estimated Expiration
- 2038-06-18
AI Technical Summary
Technical Problem
Photon counting accuracy is degraded in CMOS image sensors due to readout noise, gain, and offset value variations among pixels, which hinder accurate photon discrimination during binning processes.
Method used
A photon counting device and method that includes a CMOS image sensor with a correction unit to adjust digital values based on common gain and offset values, using a computer to correct and convert digital values to photon counts, thereby minimizing the impact of pixel variations.
Benefits of technology
The solution effectively curbs the degradation of photon counting accuracy by ensuring consistent digital value corrections, allowing precise photon counting with reduced readout noise and improved discrimination between electron counts.
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