Patent ID: 7622813

Claim:
An electronic module comprising: a device microstructure having an alignment structure, the alignment structure having a selected size and shape; and a substrate having at least one receptacle, the at least one receptacle having a size and shape complementary to the size and shape of the alignment structure, wherein the device microstructure is configured to be seated within the at least one receptacle at a single orientation, the single orientation of the device microstructure based on the shape of the alignment structure and the shape of the at least one receptacle; wherein the alignment structure comprises: a first structure projecting from the device microstructure, and one or more alignment structure recesses in said first structure; and wherein the at least one receptacle comprises: a receptacle recess shaped to mate with said first structure, and one or more receptacle structures projecting from said recess, said one or more receptacle structures shaped to mate with said one or more alignment structure recesses in said first structure.