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
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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