Electrostatic method and apparatus to form low-particulate defect thin glass sheets

US9199870B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9199870-B2
Application numberUS-201213477566-A
CountryUS
Kind codeB2
Filing dateMay 22, 2012
Priority dateMay 22, 2012
Publication dateDec 1, 2015
Grant dateDec 1, 2015

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Abstract

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A high-surface quality glass sheet is formed using a roll-to-roll glass soot deposition and sintering process. The glass sheet formation involves providing glass soot particles, depositing a first fraction of the glass soot particles on a deposition surface to form a supported soot layer, electrostatically attracting and collecting a second fraction of the glass soot particles onto a surface of a charged plate, removing the soot layer from the deposition surface to form a soot sheet, and heating at least a portion of the soot sheet to sinter the glass soot particles to form a glass sheet.

First claim

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What is claimed is: 1. A method for making a glass sheet, said method comprising: providing glass soot particles; depositing a first fraction of the glass soot particles on a deposition surface to form a supported soot layer; electrostatically attracting and collecting a second fraction of the glass soot particles onto a surface of a charged plate; exhausting a third fraction of glass soot particles away from the soot sheet, the third fraction corresponding to a further frac…

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What does patent US9199870B2 cover?
A high-surface quality glass sheet is formed using a roll-to-roll glass soot deposition and sintering process. The glass sheet formation involves providing glass soot particles, depositing a first fraction of the glass soot particles on a deposition surface to form a supported soot layer, electrostatically attracting and collecting a second fraction of the glass soot particles onto a surface of…
Who is the assignee on this patent?
Hawtof Daniel Warren, Noll Brenton Allen, Vemury Srinivas, and 1 more
What technology area does this patent fall under?
Primary CPC classification C03B19/1446. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Dec 01 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).