Window unit for reducing bird collisions and methods of making the same

1 . A coated article comprising:

a substrate comprising a first side comprising a first surface and a second side comprising a second surface, wherein the second surface is opposite the first surface;

a functional coating positioned over at least a portion of the second side, the functional coating comprising: a base layer positioned over at least a portion of the second surface, wherein the base layer comprises a first film positioned over at least a portion of the second surface, and a second film positioned over at least a portion of the first film; a metallic layer positioned over at least a portion of the base layer; and a top layer positioned over at least a portion of the metallic layer,

wherein the functional coating comprises a patterned feature.

2 . The coated article of claim 1 , wherein the patterned feature is in the metallic layer positioned over at least a portion of the base layer, and wherein the patterned feature of the metallic layer comprises a thickness in the range of from 1 nm to 20 nm.

3 . The coated article of claim 2 , wherein the patterned feature is a symmetric pattern comprising stripes, wherein the stripes comprise a width of at least 0.1 inch, wherein the stripes are spaced apart from one another by at least 2 inches, and wherein the stripes are positioned horizontally, vertically, or diagonally across the second surface.

4 . The coated article of claim 1 , wherein the metallic layer comprises silver, gold, palladium, copper, alloys thereof, mixtures thereof, or combinations thereof.

5 . The coated article of claim 1 , wherein the patterned feature is in the top layer, wherein the top layer comprises a first film, a second film, and a third film.

6 . The coated article of claim 5 , wherein the third film of the top layer comprises the patterned feature, wherein the third film of the top layer comprises a thickness in the range of from 3 nm to 60 nm.

7 . The coated article of claim 6 , wherein the patterned feature is a symmetric pattern comprising stripes, wherein the stripes comprise a width of at least 0.1 inch, and wherein the stripes are spaced apart from one another by at least 2 inches, and wherein the stripes are positioned horizontally, vertically, or diagonally across the second surface.

8 . The coated article of claim 1 , wherein the functional coating further comprises an outermost protective coating comprising a protective layer, wherein the protective layer comprises at least one of Si 3 N 4 , SiAlN, SiAlON, SiAlO, TiAlO, titania, alumina, silica, zirconia, or combinations thereof.

9 . The coated article of claim 1 , wherein the patterned feature is visible to birds.

10 . The coated article of claim 1 , wherein the functional coating positioned over at least a portion of the second side further comprises: a second layer over at least a portion of the metallic layer; and a second metallic layer over at least a portion of the second layer, wherein the top layer is over at least a portion of the second metallic layer.

11 . The coated article of claim 10 , wherein the patterned feature is in the second metallic layer over at least a portion of the second layer, wherein the patterned feature of the second metallic layer comprises a thickness in the range of from 1 nm to 20 nm.

12 . The coated article of claim 1 , wherein the functional coating positioned over at least a portion of the second side further comprises: a second layer over at least a portion of the metallic layer; a second metallic layer over at least a portion of the second layer; a third layer over at least a portion of the second metallic layer; and a third metallic layer over at least a portion of the third layer, wherein the top layer is over at least a portion of the third metallic layer.

13 . The coated article of claim 12 , wherein the patterned feature is in the second layer, wherein the second layer comprises a first film, a second film, and a third film.

14 . The coated article of claim 13 , wherein the second film comprises the patterned feature, wherein the patterned feature of the second film comprises a thickness in the range of from 18 nm to 35 nm.

15 . The coated article of claim 12 , wherein the patterned feature is formed in the third metallic layer over at least a portion of the third layer, wherein the patterned feature of the third metallic layer comprises a thickness in the range of from 1 nm to 20 nm.

16 . The coated article of claim 1 , wherein the functional coating positioned over at least a portion of the second side further comprises: a second layer over at least a portion of the metallic layer; a second metallic layer over at least a portion of the second layer; a third layer over at least a portion of the second metallic layer; a third metallic layer over at least a portion of the third layer; a fourth layer over at least a portion of the third metallic layer; and a fourth metallic layer over at least a portion of the fourth layer, wherein the top layer is over at least a portion of the fourth metallic layer.

17 . The coated article of claim 16 , wherein the patterned feature is in the fourth metallic layer over at least a portion of the fourth layer, wherein the patterned feature of the fourth metallic layer film comprises a thickness in the range of from 1 nm to 20 nm.

18 . A method of making a coated article, the method comprising:

providing a substrate comprising a first side comprising a first surface and a second side comprising a second surface, wherein the second surface is opposite the first surface;

forming a functional coating over at least a portion of the second side, wherein forming the functional coating comprises: forming a base layer over at least a portion of the second surface, wherein forming the base layer comprises forming a first film over at least a portion of the second surface, and forming a second film over at least a portion of the first film; forming a metallic layer over at least a portion of the base layer; and forming a top layer over at least a portion of the metallic layer,

wherein a patterned feature is formed within the functional coating.

19 . An insulating glass unit comprising:

a first ply comprising a first side comprising a No. 1 surface and a second side comprising a No. 2 surface, wherein the No. 2 surface is opposite the No. 1 surface,

a second ply comprising a first side comprising a No. 3 surface and a second side comprising a No. 4 surface, wherein the No. 4 surface opposite the No. 3 surface, wherein the first ply and second ply are connected together;

a functional coating positioned over at least a portion of the second side comprising the No. 2 surface, the functional coating comprising: a base layer positioned over at least a portion of the No. 2 surface, wherein the base layer comprises a first film positioned over at least a portion of the No. 2 surface, and a second film positioned over at least a portion of the first film; a metallic layer positioned over at least a portion of the base layer; and a top layer positioned over at least a portion of the metallic layer;

wherein the functional coating comprises a patterned feature.