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Article
Elastography for portable ultrasound
Portable wireless ultrasound has been emerging as a new ultrasound device due to its unique advantages including small size, lightweight, wireless connectivity and affordability. Modern portable ultrasound de...
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Article
Fatigue life estimation of vertical probe needle for wafer probing
Wafer probing is a core inspection process to detect defects in a wafer prior to packaging. Since probe card requires over a million touchdowns on wafers, service life of the probe needle is a critical factor ...
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Article
Controlled trigger and image restoration for high speed probe card analysis
Latency and image blurring are major limitations of machine vision processes, which often require every target object to pause for a moment for capturing and processing a still image. When a large number of ob...
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Article
Geometry design of vertical probe needle using mechanical testing and finite element analysis
In wafer probing, probe needles provide the physical contact between the wafers and the probe card. During the contact process, the shape of the probe needle and the mounting configuration onto the probe card ...
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Article
Strain ratio vs. modulus ratio for the diagnosis of breast cancer using elastography
In elastography, strain ratio is commonly used as an indicator to detect the malignancy of the lesion, based on palpation principle that pathological lesions are normally stiffer than benign tissues. We invest...
