Patterned dual susceptor
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United States of America Patent
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May 10, 2016
Grant Date -
Jan 23, 2014
app pub date -
Feb 28, 2013
filing date -
Jul 18, 2012
priority date (Note) -
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Abstract
A microwave packaging material includes a plurality of susceptors where each susceptor includes a plastic film or polymer with a metal layer on one surface of the plastic film and a paper adhered to the plastic film opposite the metal layer. A patterned adhesive is bonded between a first susceptor layer and a second susceptor layer in a pattern bond creating sealed air pockets. A paper board substrate is adhered using an adhesive in a bond pattern to one of the susceptor layers to provide the microwave packing material rigidity. Upon exposure to microwave energy in a microwave oven, moisture is trapped between the paper board substrate and the susceptor layer creating a vapor pressure that causes the sealed air pockets to form expanded air pockets.
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