laminography


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lam·i·nag·ra·phy

, laminography (lam'i-nog'ră-fē, lam'i-nog'ră-fē),
Radiographic technique in which the images of tissues above and below the plane of interest are blurred out by reciprocal movement of the x-ray tube and film holder, to show a specific area more clearly.
See also: tomography.
[lamina + G. graphē, a writing]

lam·i·nog·ra·phy

(lam'i-nog'ră-fē)
Radiographic technique in which the images of tissues above and below the plane of interest are blurred out by movement of the x-ray tube and film holder, to show a specific area more clearly.
See also: tomography
[lamina + G. graphē, a writing]

lam·i·nag·ra·phy

, laminography (lam'i-nag'ră-fē, -nog'ră-fē)
Radiographic technique in which the images of tissues above and below plane of interest are blurred out by reciprocal movement of x-ray tube and film holder, to clarify a specific area.
[G. lamina, layer. + G. graphē, a writing]

laminography

a special technique of body-section radiography. See tomography.
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References in periodicals archive ?
A laminography system comprises the hardware that positions the sample, source and detector to acquire 2D projection data, as well as an algorithm to reconstruct a 3D volume image from data generated by a custom Nikon Metrology 225/450kV X-ray scanner.
The voiding percentage on the ground pad of QFN/BTC component at U314 was measured using the laminography x-ray system, and the results shown as box plots in FIGURE 8.
A traditional laminography machine requires a separate set of images for each slice.
In laminography, an operator makes a series of x-ray images at different angles and uses computer algorithms to slide the images relative to one another so that one plane of the objects is in focus.
X-ray laminography is the only testing methodology permitting measurements to be made within the barrel to ensure the solder fill within the joint meets the required IPC specifications.
Laminography uses a mechanical value-averaging approach typically involving 256 gray levels.
Compared to laminography and other 3D X-Ray techniques, ClearVue X-Ray technology's superior image clarity, diagnostic capabilities and full board coverage better exposes solder (including lead-free) flaws that are otherwise overlooked.
3-D x-ray laminography or planar computed tomography (PCT) combines the capabilities of 2-D x-ray and endoscopic technology with added features.
Using the 3-D laminography system for subsurface scans verifies the correct positioning of the connector pins.
In addition to the 4 high-speed Fuji lines, the Technology Center now includes an RF Screen Room, X-Ray Laminography and high end BGA rework equipment.