BONDING MEMBER
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
N/A
Issued Date -
Oct 1, 2015
app pub date -
Mar 30, 2015
filing date -
Mar 31, 2014
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A bonding member includes a base and a protrusion that protrudes from a surface of the base and that has an end face that adheres to a substrate with a surface force between the end face and the substrate. A cross section of the protrusion taken parallel to the surface has such an asymmetric shape that G1b/Δγ1b≈G2b/Δγ2b is satisfied, where G1b denotes a strain-energy-release rate at a first release portion of the protrusion when a force is exerted in a first direction parallel to the surface, Δγ1b denotes an adhesive energy at the first release portion, G2b denotes a strain-energy-release rate at a second release portion of the protrusion when a force having the same magnitude as the force exerted in the first direction is exerted in a second direction opposite to the first direction, and Δγ2b denotes an adhesive energy at the second release portion.
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