Active solid-state devices (e.g. – transistors – solid-state diode – Housing or package – Insulating material
Reexamination Certificate
2005-07-19
2005-07-19
Zarabian, Amir (Department: 2822)
Active solid-state devices (e.g., transistors, solid-state diode
Housing or package
Insulating material
C257S625000, C257S675000, C257S705000, C257S707000, C257S712000, C257S713000, C257S717000, C257S720000, C257S930000
Reexamination Certificate
active
06919630
ABSTRACT:
A semiconductor package with an embedded heat spreader (EHS) is proposed, which can be used for the fabrication of a semiconductor package, such as a FCBGA (Flip-Chip Ball Grid Array) package with a heat spreader, and which is characterized by the provision of a plurality of recessed portions, either in the heat spreader attach area of the substrate, or in the support portion of the heat spreader, or in both, so as to allow the fill-in portions of the adhesive layer that are filled in these recessed portions to form anchor structures to benefit the heat spreader against crosswise shear stress. Moreover, since the provision of these recessed portions allows an increase in the contact area of the adhesive layer with the substrate and the heat spreader, it can help increase the adhesive strength to provide the heat spreader more securely adhered in position on the substrate.
REFERENCES:
patent: 5032897 (1991-07-01), Mansuria et al.
patent: 5289337 (1994-02-01), Aghazadeh et al.
patent: 5459368 (1995-10-01), Onishi et al.
patent: 5637920 (1997-06-01), Loo
patent: 5903052 (1999-05-01), Chen et al.
patent: 6093960 (2000-07-01), Tao et al.
patent: 6139975 (2000-10-01), Mawatari et al.
patent: 6225695 (2001-05-01), Chia et al.
patent: 6239487 (2001-05-01), Park et al.
patent: 6529379 (2003-03-01), Fuller et al.
patent: 6580611 (2003-06-01), Vandentop et al.
patent: 6773963 (2004-08-01), Houle
patent: 2002/0053724 (2002-05-01), Lai et al.
patent: 2002/0053731 (2002-05-01), Chao et al.
patent: 2003/0164505 (2003-09-01), Streubel et al.
patent: 2003/0178721 (2003-09-01), Lo et al.
patent: 2004/0124525 (2004-07-01), Colgan et al.
patent: 10294403 (1998-11-01), None
Corless Peter F.
Edwards & Angell LLP
Jensen Steven M.
Siliconware Precision Industries Co. Ltd.
Soward Ida M.
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