Bump structure of semiconductor device and method of...

Active solid-state devices (e.g. – transistors – solid-state diode – Combined with electrical contact or lead – Bump leads

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C257S738000, C257S750000, C257S780000

Reexamination Certificate

active

11339774

ABSTRACT:
In connection with a bump of a semiconductor device and a manufacturing method thereof, a groove is formed in a bump pad region of a semiconductor substrate. An under bump metal layer is then formed in the groove, and a lower end portion of the bump fills the groove on the under bump metal layer.

REFERENCES:
patent: 3900359 (1975-08-01), Bakewell
patent: 5289038 (1994-02-01), Amano
patent: 5793117 (1998-08-01), Shimada et al.
patent: 5834945 (1998-11-01), Akram et al.
patent: 5902686 (1999-05-01), Mis
patent: 6107119 (2000-08-01), Farnworth et al.
patent: 6177352 (2001-01-01), Schonfeld et al.
patent: 6750551 (2004-06-01), Frutschy et al.
patent: 2001/0020745 (2001-09-01), Jiang et al.
patent: 10-2002-0091470 (2002-12-01), None
patent: 10-2003-0016914 (2003-03-01), None
Zeccino et al. Accurate thick film measurements with Optical Profiling, Veeco Instruments Inc., Application Notes #AN512-1-0104, 2004.

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

Bump structure of semiconductor device and method of... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Bump structure of semiconductor device and method of..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Bump structure of semiconductor device and method of... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3906756

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