Active solid-state devices (e.g. – transistors – solid-state diode – Combined with electrical contact or lead – Of specified material other than unalloyed aluminum
Reexamination Certificate
2011-03-22
2011-03-22
Lee, Eugene (Department: 2891)
Active solid-state devices (e.g., transistors, solid-state diode
Combined with electrical contact or lead
Of specified material other than unalloyed aluminum
C257SE23020, C228S180500, C174S263000
Reexamination Certificate
active
07911061
ABSTRACT:
A semiconductor device includes a carrier, a chip including a first face having a contact area, where the chip is attached to the carrier such that the contact area faces away from the carrier, a copper connector configured for attachment to the contact area, and a solder material configured to couple the copper connector to the contact area.
REFERENCES:
patent: 5420073 (1995-05-01), DiGiacomo et al.
patent: 5455461 (1995-10-01), Koide et al.
patent: 6265300 (2001-07-01), Bhansali et al.
patent: 6329722 (2001-12-01), Shih et al.
patent: 6515373 (2003-02-01), Barth
patent: 6800555 (2004-10-01), Test et al.
patent: 7351651 (2008-04-01), Li et al.
patent: 2003/0219976 (2003-11-01), Gleason
patent: 2005/0046040 (2005-03-01), Wang et al.
patent: WO03075340 (2003-09-01), None
patent: 4303790 (1994-08-01), None
patent: WO9616768 (1996-06-01), None
patent: 0057472 (2000-09-01), None
Quirk et al., Semiconductor Manufacturing Technology, Prentice Hall, 2001, pp. 214-221.
Quirk et al., Semiconductor Manufacturing Technology, Prentice Hall, 2001, pp. 571-578.
Silvana Andrea Sommadossi, Investigation on Diffusion Soldering in Cu/In/Cu and Cu/In-48Sn/Cu Systems, Dissertation an der Universitat Stuttgart, Bericht Nr. 125, Jul. 2002, 13 pages.
Leicht Markus
Riedl Edmund
Schneegans Manfred
Wohlert Stefan
Dicke Billig & Czaja, PLLC
Gumedzoe Peniel M
Infineon - Technologies AG
Lee Eugene
LandOfFree
Semiconductor device does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Semiconductor device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Semiconductor device will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2638582