Patent ID: 11896944
Assignee: ILLUMINA, INC.
Field: Measurement (Instruments)
Classification: CPC B  C  G | IPC B  C  G

Claim 0:
1. An array, comprising:
a support having a plurality of areas, each of the plurality of areas having locations that, in operation, receive biological samples differing from one another to respond differently in successive cycles of fluorescent imaging; and
a fiducial feature on the support in each of the plurality of areas, each of the fiducial features including at least one depression and a plurality of autofluorescent beads disposed in the at least one depression, the at least one depression having a shape that separates an inner area where some of the locations are located and an outer area where some other of the locations are located, the shape being selected from the group consisting of a single circle, a single segmented circle, two non-concentric and segmented rings, and a non-closed shape, the autofluorescent beads being formed of a fluorescent material that responds by producing a detectable signal in the successive cycles of fluorescent imaging.