Patent ID: 7329446
Filing Date: 2008-02-12
Classification: B23B,B32B,H05K,Y10T

Abstract:
1. A structure, comprising: a stack of two or more sheets, wherein successive sheets in each pair of successive sheets of the stack are adhesively coupled to each other by an adhesive layer consisting of a removable adhesive, wherein the adhesive layer is in direct mechanical contact with the successive sheets in each pair, and wherein the removable adhesive is also disposed on top and bottom surfaces of the stack, and wherein the removable adhesive consists of a liquid while adhesively coupling the successive sheets to each other; a first surface of a first layer coupled with the removable adhesive to a first surface of the stack; and a first surface of a second layer coupled with the removable adhesive to a second surface of the stack, wherein the first and second layers are adapted to prevent burr formation in a hole subsequently drilled through the stack.