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.
Visualisation takes wing
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.
Study of various PCBA surface finishes: a total of nine groups of PCB surface finish were evaluated for solder spread and voiding performance with assembled BGAs and QFNs
A traditional laminography machine requires a separate set of images for each slice.
3-D X-Ray inspection looks into the void
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.
Defense needs bring tomography into industrial uses
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.
PTH solder joint inspection: automated x-ray laminography ensures through-hole joints meet barrel fill specs
Laminography uses a mechanical value-averaging approach typically involving 256 gray levels.
PCB inspection shifts to AXI: as loss of access grows, it's time to look into viable alternatives to AOI
On area array packages, obviously the use of things like X-ray laminography and things like that have also become very important.
The faces of technology today: churning out designs and parts around the globe, Flextronics runs like the massive network platforms it sometimes builds. A PCD&M exclusive reveals just what the world's top electronics manufacturer has its eyes on next. (Cover Story)
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.
Teradyne Unveils Advanced 3D X-Ray Imaging Technology, ClearVue Promises to Increase PCB Fault Coverage and Reduce False Failure Calls
3-D x-ray laminography or planar computed tomography (PCT) combines the capabilities of 2-D x-ray and endoscopic technology with added features.
Choosing a BGA inspection system: a review of three types of nondestructive equipment: 2-D x-ray, endoscopic and 3-D x-ray
Using the 3-D laminography system for subsurface scans verifies the correct positioning of the connector pins.
Exposing hidden faults: what you can't see can hurt you in today's high-density PCBs
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.
XeTel Establishes a Full-service Technology Center in Dallas; Company Will Expand Technological Offerings and Capabilities
Laminography images lack clarity and contribute to false and/or missed failures.
Teradyne's 3-D x-ray inspection system: offers off-center tomosynthesis and a static wide-angle x-ray, for improved images

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