DJ Corisis, JM Brooks, WL Moden - US Patent 6,072,233, 2000 - Google Patents
4,868,712 9/1989 Woodman. 4,956,694 9/1990 Eide. 5,012,323 4/1991 Farnworth. as the
conductive elements make contact with the FBGA positioned below or above to form a stack …