Patent ID: 9396972
Filing Date: 2016-07-19
CPC Classification: H01L

Claim Text:
1. A method for generating a micro-assembly comprising: mounting a plurality of micro-objects in a predetermined spaced-apart pattern onto an upper layer surface of a solid uncured polymer layer consisting essentially of an uncured polymer material, wherein each of the plurality of micro-objects has an associated height and is mounted on the upper layer surface such that exposed upper object surfaces of the plurality of micro-objects face away from the upper layer surface, and wherein said uncured polymer layer has a thickness that is greater than the associated heights of all of said plurality of micro-objects; heating the uncured polymer layer such that the uncured polymer material forms a liquid uncured polymer pool, and such that said plurality of micro-objects are pulled into the liquid uncured polymer pool such that the exposed upper surface of each said plurality of micro-objects is made co-planar with an upper object surface of the liquid uncured polymer pool by capillary forces; curing the liquid polymer material to form a solid polymer substrate having an upper substrate surface that is substantially coplanar with said exposed upper object surface of each of the plurality of micro-objects, whereby said plurality of micro-objects are integrally embedded in said solid polymer substrate; and after said curing, forming a plurality of electrically conductive structures over the upper substrate surface such that at least one associated electrically conductive structure is connected to each of said plurality of micro-objects.