ELECTRO-OPTIC REARVIEW MIRROR ELEMENT WITH FILL PORT FILTER AND METHOD OF MANUFACTURING ELECTRO-OPTIC REARVIEW MIRROR ELEMENT
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United States of America Patent
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Issued Date -
Dec 8, 2011
app pub date -
May 3, 2011
filing date -
May 3, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A variable reflectance rearview mirror reflective element assembly includes a front substrate having a first surface and a second surface, and a rear substrate having a third surface and a fourth surface, with the third surface having a conductive coating disposed thereat. A perimeter seal is disposed between and spaces apart the front and rear substrates and forms an interpane cavity therebetween. The perimeter seal has a gap between terminal ends thereof to provide a fill port for the mirror reflective element assembly when the front and rear substrates are mated together. A filter element is disposed at the fill port at least during a cavity filling process, and the filter element allows an electro-optic medium to flow therethrough during the cavity filling process and limits passage of debris, contaminants and/or particles to limit intrusion of debris, contaminants and/or particles into the interpane cavity during the cavity filling process.
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