Semiconductor device manufacturing: process – Packaging or treatment of packaged semiconductor – Including adhesive bonding step
Patent
1997-07-25
1999-09-07
Picardat, Kevin M.
Semiconductor device manufacturing: process
Packaging or treatment of packaged semiconductor
Including adhesive bonding step
438106, 438108, 438126, H01L 2144, H01L 2148, H01L 2150
Patent
active
059500727
ABSTRACT:
An integrated circuit package had leadless solderballs attached to the substrate with a conductive thermoplastic adhesive. The leadless solderballs are preferably made with a copper-nickel-gold alloy. The conductive thermoplastic is preferably of the silver fill type. The integrated circuit package is placed in a frame and held to the printed circuit board with a clamp or with a screw.
REFERENCES:
patent: 5355283 (1994-10-01), Marrs et al.
patent: 5357672 (1994-10-01), Newman
patent: 5362679 (1994-11-01), Wakefield
patent: 5376010 (1994-12-01), Petersen
patent: 5400220 (1995-03-01), Swamy
patent: 5419710 (1995-05-01), Pfaff
patent: 5436503 (1995-07-01), Kunitomo et al.
Alphametals Technical Bulletin: "Application of Staystik 101 (paste) $ 501 (film) High Temperature Thermoplastics in Hermetic Ceramic Packages".
Collins Deven
Galanthay Theodore E.
Jorgenson Lisa K.
Picardat Kevin M.
STMicroelectronics Inc.
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