Adhesive structure

An adhesive structure (10, 20) is provided with: a base body (11, 21); the adhesive structure (10, 20) comprises a base (11, 21), and protruding parts (12, 22) having a plurality of protrusions (13, 23) provided on at least a part of the surface of the base (11, 21), the plurality of protrusions (13, 23) are periodically arranged in a first direction and a second direction orthogonal to the first direction, each protrusion (13, 23) has a tip-shaped part (14, 24) having a tip tip, and the protrusions (13, 22) have a plurality of protrusions (13, 23) provided on the surface of at least a part of the base (11, 21). The average pitch of the protrusions (13, 23) in the first direction is in the range of 100 nm or more and 1500 nm or less, the average pitch of the protrusions (13, 23) in the second direction is in the range of 100 nm or more and 1500 nm or less, and the average height of the protrusions (13, 23) is in the range of 100 nm or more and 2000 nm or less. 一种粘接结构体(10，20)，其包括：基体(11，21)；以及突起部(12，22)，具有设置在所述