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]
Farlex Partner Medical Dictionary © Farlex 2012

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]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

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]
Medical Dictionary for the Dental Professions © Farlex 2012
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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
Both CT and tomosynthesis are distinct from laminography: They acquire all the information to develop any view from the same set of images.
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
Various testing technologies exist to ensure a sound electrical connection is created, but automated x-ray laminography is the only available technology that can ensure the through-hole solder joint meets the IPC-A-610 specifications of barrel fill.
PTH solder joint inspection: automated x-ray laminography ensures through-hole joints meet barrel fill specs
The traditional approach to 3-D AXI is based on laminography, a method widely used to inspect double-sided boards that requires motion of the X-ray source, detector, and board.
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)
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
Most automated x-ray inspection (AXI) systems deployed today use laminography, a mechanically complex imaging system that moves a steerable x-ray beam in synchronization with a moving image detector (x,y) and PCB (z-axis).
Teradyne's 3-D x-ray inspection system: offers off-center tomosynthesis and a static wide-angle x-ray, for improved images
Today, 3-D automated X-ray test (AXT) through laminography is popular in the PC assembly industry.
3-D techniques in SMT test
* Compare and correlate the voiding measurement data between AXI laminography and transmission x-ray systems.
Reducing BGA defects with AXI inspection: this study established the ideal sensitivity setting for catching BGA voids

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