Appeal No. 2006-1002
Application No. 09/945,892
antireflective layer;
a first primer layer having a thickness ranging
from 8 D to 30 D and consisting essentially of
titanium over the first infrared reflective layer;
a second antireflective layer having a thickness
ranging from 698 D to 865 D over the first primer
layer;
a second infrared reflective layer having a
thickness ranging from 180 D to 290 D over the second
antireflective layer;
a second primer film having a thickness ranging
from 8 D to 30 D and consisting essentially of
titanium over the second infrared reflective layer; and
a third antireflective layer having a thickness
ranging from 60 D to 273 D over the second primer
layer, such that the coated article in an insulated
unit defined as a test unit provides for the test unit
to have a luminous transmission of less than 70%, a
solar heat gain coefficient of less than about 0.38 and
a ratio of luminous transmittance to solar heat gain
coefficient of greater than about 1.85, the test unit
for determining the luminous transmission, the shading
coefficient, the solar heat gain coefficient, and the
ratio of luminous transmittance to solar heat gain
coefficient having a first clear float glass sheet and
a second clear float glass sheet, each of the glass
sheets having a nominal thickness of 6 mm and a first
major surface and an opposite major surface defined as
a second major surface, the second major surfaces of
the glass sheets face one another and are at a nominal
spacing of 0.5 inch (1.27 centimeters) from one
another, the solar control coating is over the second
major surface of the first sheet and the first major
surface of the first sheet is the outboard surface,
edges of the first and second glass sheets are sealed
to provide a chamber between the glass sheets, the
chamber having a nominal gas fill of air or argon.
2
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