Patent ID: 6384473
Filing Date: 2002-05-07
Classification: B81B,H01L,H05K

Abstract:
A package having an integral window for packaging at least one microelectronic device, comprising:a first electrically insulating plate comprising a multilayered material having a first surface, an opposing second surface, and a first aperture disposed through said first plate; an electrically conductive metallized trace disposed on the second surface of said first plate; an integral window disposed across the first aperture and bonded to said first plate, for providing optical access to a microelectronic device disposed within said assembly, wherein the geometry of the joint between the window and the first plate comprises an encased joint geometry; and a second electrically insulating plate having a third surface, an opposing fourth surface, and a second aperture disposed through said second plate; wherein the first plate is attached to the second plate by joining the second surface to the third surface; and wherein the second aperture is larger than the first aperture.