Coating processes – Optical element produced – Transparent base
Reexamination Certificate
2005-03-21
2008-10-21
Chen, Bret (Department: 1792)
Coating processes
Optical element produced
Transparent base
C427S255360, C427S255500, C427S255700, C427S424000, C427S427000, C204S192100, C204S192260, C065S060200, C065S060500
Reexamination Certificate
active
07438948
ABSTRACT:
A method for forming a coated substrate is disclosed. The method comprises depositing an undercoating layer and depositing a functional coating comprising a material which can be present in more than one crystal structure over the undercoating layer, wherein there is a critical deposition thickness at which the functional coating transforms from a first polycrystalline film made up predominantly of the material having a first crystal structure to a second polycrystalline film made up predominantly of the same material having a second crystal structure.
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Harris Caroline S.
Steffek Cory D.
Walck Scott D.
Chen Bret
PPG Industries Ohio Inc.
Siminerio Andrew C.
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