B stage

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B stage

[′bē ‚stāj]
(organic chemistry)
An intermediate stage in a thermosetting resin reaction in which the plastic softens but does not fuse when heated, and swells but does not dissolve in contact with certain liquids.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Toray will continue to pursue the potential of the new material with further development efforts, including adding photosensitivity properties and manufacturing the material in B-stage sheet form.
Double-sided cores are printed and etched, then bonded together with a material called prepreg or "B-stage" material.
The frontman was all over the place and it became a game working out where he would pop up next, be it in the crowd, on a balcony or on the B-stage.
The astonishing stage setting provided the perfect platform for Bono, Edge, Adam Clayton and Larry Mullen Jr to perform inside the screen, on a main stage, on a B-stage and even two mini side stages.
She ran from the main platform to the B-stage and back, as if a kid squealing while charging through the gates of an amusement park.
Based on the above observation, the alteration and mineralization of the Haisugou porphyry Mo deposit can be generally divided into three stages (Figure 4): an early potassic alteration stage (P-stage), a synmineralization sericite-chlorite alteration stage (S-stage), and a postmineralization barren quartz stage (B-stage).
As noted previously, laminate composites (usually supplied as B-stage sheets of unidirectional (UD) carbon fiber rovings impregnated with epoxy resin) are of great interest to transportation OEMs, owing to their high mechanical performance at very-thin cross-sections and very-low part weight, low voids, and good drapeability.
I caught her live at The Hydro and was amazed to see no B-Stage, no walkways and nothing hanging from the roof.
These systems do in fact use a "B-stage" polyimide to act as an adhesive.