Guard ring structure and component structure
AssigneeLiVe Optronics Company Limited
InventorsCHAO-HSIN WU, CHI-EN CHEN, Natchanon Prechatavanich
Life of this patent
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Abstract
A guard ring structure and a component structure are provided. The guard ring structure includes a first attached guard ring and a second attached guard ring. The first attached guard ring is disposed at a periphery of an active region. The second attached guard ring is disposed at a periphery of the first attached guard ring. The first attached guard ring and the second attached guard ring are each an attached guard ring, and form a stepped structure. The guard ring structure is a stepped diffusion structure for an avalanche photodiode.
Claims9
A guard ring structure, which is applicable to an active region, the guard ring structure comprising:
- a first attached guard ring disposed at a periphery of the active region;
- and
- a second attached guard ring disposed at a periphery of the first attached guard ring;
- wherein the first attached guard ring and the second attached guard ring are each an attached guard ring, and form a stepped structure.
A component structure, comprising:
- an active region;
- and
- a guard ring structure disposed at a periphery of the active region, wherein the guard ring structure includes a plurality of attached guard rings, and the attached guard rings jointly form a stepped structure.
Dependencies are inferred from the claim text.