Package-related
Failure Mechanisms and Attributes (Page 2 of 3)
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Heel
Breaks
Heel Breaking
is the severing of the wire from its wedge or crescent bond due to a
fracture in the heel.
See
separate article on
heel breaks.
Lead/Leadframe Corrosion
Lead/Leadframe corrosion, as the name implies, refers to the corrosion
of the lead or leadframe itself.
See
separate article on lead/leadframe
corrosion.
Lead
Pulling
Lead pulling
is the condition wherein the leads are yanked out of the package without
breaking.
See
separate article on lead pulling.
Lead
Tearing
Lead tearing
is the ripping apart of the lead somewhere along its length, usually at
the bends.
See
separate article on lead tearing.
Marking Failures
See
separate article on marking failures.
Neck
Breaks
Neck Breaking
is the severing of the wire from its ball bond due to a fracture in the
neck.
See
separate article on
neck breaks.
Package
Cracking, Ceramic
Ceramic
package cracking is the occurrence of fracture(s)
anywhere in or on a ceramic package.
See separate
article on ceramic package cracking.
Package
Cracking, Plastic
Plastic
package cracking is the occurrence of fracture(s) anywhere in or on a
plastic package.
See separate
article on
plastic package cracking.
Package Delamination, Plastic
Plastic
delamination refers to the disbonding between a surface of the plastic
package and that of another material. Plastic delamination may
therefore occur at an interface of the plastic and the leadframe, die,
die paddle, or die attach material.
See separate
article on plastic package
delamination.
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See Also:
Die Failures; Failure
Analysis; Basic FA
Flows;
Reliability Models
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