Patent ID: 8425716
Filing Date: 2013-04-23
Classification: H01L,Y10T

Abstract:
1. A method of providing chiplets over a substrate comprising providing in sequence: (a) providing a substrate; (b) coating an adhesive in a layer over the substrate; (c) placing a plurality of first chiplets onto the adhesive layer in separated chiplet locations to adhere the first chiplets to the adhesive layer, wherein one or more of the first chiplets do not adhere to the adhesive layer, so that first chiplet(s) are adhered to the adhesive layer in adhered chiplet location(s) and first chiplet(s) are not adhered or are improperly adhered in non-adhered chiplet location(s); (d) locally processing the adhesive layer in the non-adhered chiplet location(s) to condition the adhesive layer in the non-adhered locations to receive second chiplets by forming local additional adhesive layer(s) that buries the first chiplet(s) improperly adhered in the non-adhered chiplet location(s); (e) placing second chiplet(s) onto the adhesive layer in the local additional adhesive layer(s) to adhere the second chiplets in the adhesive layer in the non-adhered locations; and (f) curing the adhesive.