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US 6,685,992 B1Granted
Method for partially treating a water-repellent glass sheet
AssigneeNippon Sheet Glass Co., Ltd.
InventorsHisashi Ogawa, Hiroaki Yamamoto, Toyoyuki Teranishi, Hiroaki Kobayashi, Shunji Kuramoto
Life of this patent
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Abstract
A method for partially treating a water-repellent glass sheet is disclosed which comprises irradiating part of a water-repellent glass film, formed on the water-repellent glass sheet, with a stream of plasma jets generated by a plasma jet irradiating gun. By such plasma jet irradiation, the film part can be removed easily even when the glass sheet has a curved surface.
Claims3
A method for partially treating a water-repellent glass sheet to nullify a water-repellent function in part of the glass sheet, comprising the steps of:
- providing a glass sheet having a water-repellent film formed thereon;
- and
- irradiating a desired part of said water-repellent film with a stream of plasma jets to thereby eliminate said desired film part.
Dependencies are inferred from the claim text.