Patent ID: 6928718
Filing Date: 2005-08-16
Classification: H01L,H03H,Y10T

Abstract:
1. A method for manufacturing an array of hermetically sealed surface acoustic wave (SAW) devices, the method comprising the steps of: forming a unitary array of a material having opposing first and second surfaces and a plurality of spaced cavities extending into the array from the first surface; forming a recess from the first surface around selected cavities; providing at least two conductive paths from within each selected cavity to at least one of the first and second surfaces of the array; inserting and attaching a SAW die face down, in a flip-chip arrangement, into at least some of the selected cavities, each SAW die having conductive means electrically contacting the at least two conductive paths within the corresponding cavity; solder sealing a metal lid in the recess over the inserted SAW die for hermetically sealing the SAW die within the cavity; and then separating the array into individual SAW devices along separation lines between adjacent cavities.