Patent ID: 6626656
Filing Date: 2003-09-30
Classification: B29C,H01L,H05K,Y10S

Abstract:
A mold apparatus for encapsulating one side of each of two electronic devices on a substrate simultaneously, said mold apparatus comprising:two electronic devices, each having electronic components mounted on one side of a substrate, each said substrate having a thickness, having a first side having said electronic components mounted thereon, and having an opposing backside free of electronic components mounted thereon; an upper mold plate and a mating lower mold plate, each mold plate having a mold cavity portion, the mold cavity portion in each said upper and lower mold plates comprising a mold cavity receiving a portion of said substrates, each portion of said substrates having said electronic components thereon for encapsulating each of said electronic components, portions of each substrate of said two electronic devices situated backside-to-backside in said mold cavity; a force-applying device for applying a force to said upper mold plate and said lower mold plate about portions of said substrate of an intervening first electronic device of said two electronic devices and said substrate of an intervening second electronic device of said two electronic devices situated backside-to backside, said mold cavity portion of said upper mold plate forming a first mold cavity over at least a portion of one of said first and second electronic devices and said mold cavity portion of said lower mold plate forming a second mold cavity over at least a portion of the other of said first electronic device and second electronic device of said two electronic devices; at least one passageway in each said upper mold plate and said lower mold plate for separately introducing material into said first mold cavity and said second mold cavity to encapsulate one side of each said first electronic device and said second electronic device of said two electronic devices; and at least one passageway connected to each of said first and second mold cavities for venting gases from each of said first and second mold cavities.