Active solid-state devices (e.g. – transistors – solid-state diode – Combined with electrical contact or lead – Bump leads
Reexamination Certificate
2005-07-19
2005-07-19
Pham, Hoai (Department: 2814)
Active solid-state devices (e.g., transistors, solid-state diode
Combined with electrical contact or lead
Bump leads
C257S780000
Reexamination Certificate
active
06919634
ABSTRACT:
A solder ball assembly includes a mask having first and second sides and a plurality of holes formed therein. Each hole has a first end opening onto the first side of the mask and a second end. A plurality of solder balls are disposed in the holes, and a fixing agent secures the solder balls in the holes. A protective sheet may be attached to one or both sides of the mask to cover the ends of the holes.
REFERENCES:
patent: 6084781 (2000-07-01), Klein
patent: 6087597 (2000-07-01), Shimada et al.
patent: 6201707 (2001-03-01), Sota
patent: 6460755 (2002-10-01), Inoue et al.
patent: 6596620 (2003-07-01), Cheng et al.
patent: 08115916 (1996-05-01), None
patent: 08309523 (1996-11-01), None
patent: 10275974 (1998-10-01), None
patent: 2001-196730 (2001-07-01), None
Kuramoto Takeo
Tsuruta Kaichi
Pham Hoai
Senju Metal Industry Co. Ltd.
Tobias Michael
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