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planar
(redirected from planarity)

   Also found in: Dictionary/thesaurus, Medical, Wikipedia 0.01 sec.
planar
A technique developed by Fairchild Instruments that creates transistor sublayers by forcing chemicals under pressure into exposed areas. Planar superseded the mesa process and was a major step toward creating the chip.
planar [′plā·nər]
(mathematics)
Lying in or pertaining to a euclidean plane.


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hamiltoniciy, planarity, connectivity, and subgraphs; and examples of diverse applications.
Says Herbert Groothues, product-line director for opto-electronics in the High Performance Polymers business unit, "Problems arise with thickness distribution and the fact that the spin-coated layer shrinks when cured, so it affects the planarity of the disc.
A selection of 36 test structures was incorporated into the test chip that was patterned in the device layer of 110 silicon-on-insulator wafers based on well-established silicon micro-machining technology that produced feature side-walls having near-atomic planarity.
 
 
 
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