Position Sensitive Detector
Quadrant photodiode array for laser beam position sensing in alignment systems. HTS 8541.49.95.00 as other photosensitive semiconductor device. Multi-element discrete sensor without imaging array function.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If parts of laser alignment apparatus
Laser system components classified with complete laser instruments.
If mounted in complete optical measuring assembly
Optical measuring instruments containing photosensors go to 9031.
If classified as semiconductor-based transducer
Position sensing function may qualify under transducer provisions.
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Import Tips & Compliance
• Specify non-imaging application to avoid camera sensor classification
• Alignment tolerance specs help distinguish from precision optical instruments
• Anti-static reel packaging required for quadrant array integrity
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