Method for marking functional integrated circuit chips with unde

Details Method for marking functional integrated circuit chips with unde Method for marking functional integrated circuit chips with unde

1996-05-20

1999-07-06

Vo, Peter

Metal working

Method of mechanical manufacture

Electrical device making

29417, 29840, 29841, H05K 330

Patent

active

059183632

ABSTRACT:
A method for selectively marking integrated circuit chips (205, 210) formed on a wafer (200) includes the steps of testing the integrated circuit chips (205, 210)) of the wafer (200) to determine whether the integrated circuit chips (205, 210) are functional, dispensing underfill material (215) only on functional integrated circuit chips (205), and separating, subsequent to the dispensing step, the wafer (200) into individual integrated circuit chips (205, 210). The functional integrated circuit chips (205) are marked with the underfill material (215), while nonfunctional integrated circuit chips (210) are not marked with the underfill material (215).

REFERENCES:
patent: 4157932 (1979-06-01), Hirata
patent: 4172907 (1979-10-01), Mones et al.
patent: 5218234 (1993-06-01), Thompson et al.
patent: 5258648 (1993-11-01), Lin
patent: 5274913 (1994-01-01), Grebe et al.
patent: 5386624 (1995-02-01), George et al.
patent: 5659203 (1997-08-01), Call et al.
patent: 5670826 (1997-09-01), Bessho et al.
patent: 5677575 (1997-10-01), Maeta et al.
patent: 5685885 (1997-11-01), Khandros et al.
Shell Resins and Related Products Physical Porperties Guide, Shell Chemical Compnay, May 1994.
HYSOL.RTM. FP4510* Flip Chip Encapsulant Preliminary Bulletin, Dexter Electronics Materials Division, Aug. 1991.

Affiliated with

Also associated with

Rating

Method for marking functional integrated circuit chips with unde does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method for marking functional integrated circuit chips with unde, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for marking functional integrated circuit chips with unde will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-891120