Patent ID: 11881896
Assignee: TSINGHUA UNIVERSITY
Field: Measurement (Instruments)
Classification: CPC H  G | IPC H

Claim 4:
5. The image collection chip of claim 3, wherein respective modulation holes inside a same modulation subunit are arranged into a two-dimensional graphic structure having a specific pattern, the specific pattern of the two-dimensional graphic structure comprises:
the modulation holes inside the same modulation subunit have a same specific cross-sectional shape, and the respective modulation holes inside the same modulation subunit are arranged in an array in an order that sizes of structural parameters are gradually varied; or
the respective modulation holes inside the same modulation subunit respectively have a specific cross-sectional shape, and the respective modulation holes inside the same modulation subunit are combined and arranged according to specific cross-sectional shapes of the modulation holes in the same modulation subunit.