Semiconductor device manufacturing: process – Coating with electrically or thermally conductive material – To form ohmic contact to semiconductive material
Reexamination Certificate
2007-07-11
2009-12-29
Vu, David (Department: 2818)
Semiconductor device manufacturing: process
Coating with electrically or thermally conductive material
To form ohmic contact to semiconductive material
C438S630000, C438S650000, C257S755000, C257S762000, C257SE23162
Reexamination Certificate
active
07638428
ABSTRACT:
A method of forming a semiconductor structure comprises providing a semiconductor substrate comprising a layer of a dielectric material. A recess is provided in the layer of dielectric material. The recess is filled with a material comprising silver.
REFERENCES:
patent: 5656542 (1997-08-01), Miyata et al.
patent: 6016012 (2000-01-01), Chatila et al.
patent: 6624513 (2003-09-01), Iwasaki et al.
patent: 2003/0111729 (2003-06-01), Leu et al.
patent: 2004/0248409 (2004-12-01), Padhi et al.
patent: 2006/0030143 (2006-02-01), Ivanov
patent: 2007/0108616 (2007-05-01), Nakagawa et al.
patent: 2007/0148952 (2007-06-01), O'Brien et al.
patent: 43 09 542 (1997-10-01), None
patent: 0 226 385 (1986-02-01), None
patent: 2 782 839 (1999-03-01), None
patent: WO 2006/020565 (2006-02-01), None
Wolf and Tauber, Silicon Processing for the VLSI Era, vol. 1—Process Technology, 2nd Edition, 10.3.4 Electrical Activation and Implantation Damage Annealing and 15.5 Chemical Mechanical Polishing, 2000, pp. 393-398 and 742-744.
Translation of Official Communication from German Patent Office for German Patent Application No. 10 2006 056 620.3-33 dated Jul. 26, 2007.
Bhagat et al., “Tungsten-titanium diffusion barriers for silver metallization,”Thin Solid Films,515:1998-2002, 2006.
Kessler and Winogradoff, “Improved Ohmic Contacts for Semi-Conductive Devices,” IBM Technical Disclosure Bulletin, vol. 7, p. 166, 1964.
Translation of official action from German Patent Application No. 10 2006 056 620.3 dated Oct. 28, 2008.
PCT Search Report and Written Opinion from PCT/US2007/024564 dated Apr. 1, 2008.
Kahlert Volker
Streck Christof
GlobalFoundries Inc.
Taylor Earl N
Vu David
Williams Morgan & Amerson P.C.
LandOfFree
Semiconductor structure and method of forming the same 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 structure and method of forming the same, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Semiconductor structure and method of forming the same will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4073515