Semiconductor device and manufacturing method thereof

Semiconductor device manufacturing: process – Gettering of substrate – By implanting or irradiating

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C257SE21317

Reexamination Certificate

active

07666761

ABSTRACT:
In manufacturing a semiconductor device, the first gettering layer is formed on the backside of a wafer, and the second gettering layers are then formed on the backside and side surfaces of a chip, allowing these gettering layers to serve as trapping sites against metallic contamination that generated after backside grinding in assembly processes.

REFERENCES:
patent: 4131487 (1978-12-01), Pearce et al.
patent: 4782029 (1988-11-01), Takemura et al.
patent: 5162241 (1992-11-01), Mori et al.
patent: 5223734 (1993-06-01), Lowrey et al.
patent: 5757063 (1998-05-01), Tomita et al.
patent: 6225703 (2001-05-01), Umehara et al.
patent: 6376335 (2002-04-01), Zhang et al.
patent: 43 29 837 (1995-03-01), None
patent: 199 50 563 (2001-05-01), None
patent: 57-097630 (1982-06-01), None
patent: 58-97836 (1983-06-01), None
patent: 63211635 (1988-09-01), None
patent: 64-67922 (1989-03-01), None
patent: 5-152306 (1993-06-01), None
patent: 2005-166925 (2005-06-01), None
patent: 2001-0109679 (2001-12-01), None
German Office Action dated Aug. 21, 2006.
English translation of German Office Action.
Korean Office Action dated Jul. 26, 2006 with English translation of pertinent portions.
Japanese translation of Korean Office Action.
The Office Action issued by the Japanese Patent and Trademark Office on Jun. 25, 2008 in relation to corresponding Japanese application with English language translation pp. 1 to 5.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Semiconductor device and manufacturing method thereof 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 and manufacturing method thereof, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Semiconductor device and manufacturing method thereof will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-4195557

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.