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Patent Searching and Data


Title:
TREATMENT OF TRANSPARENT GLASS SUBSTRATE
Document Type and Number:
Japanese Patent JP07206474
Kind Code:
A
Abstract:

PURPOSE: To provide a method for treating a transparent glass substrate by which the substrate can be treated with buffered hydrofluoric acid without making the glass surface finely rugged.

CONSTITUTION: When a transparent glass substrate is treated with buffered hydrofluoric acid, contaminants such as dust and org. matter on the surface of the substrate are previously removed by pretreating and washing the substrate. Alcohol such as isopropanol, hydrofluoric acid or a mixture of sulfuric acid with an aq. hydrogen peroxide soln. is preferably used as a washing liq.


Inventors:
Miwa, Shinkichi
Onoda, Takuhiro
Yamamoto, Shigeru
Miyamoto, Mitsuo
Ishida, Shoichi
Kita, Naohide
Application Number:
JP1994000023677
Publication Date:
August 08, 1995
Filing Date:
January 25, 1994
Export Citation:
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Assignee:
NIPPON ELECTRIC GLASS CO LTD
MORITA KAGAKU KOGYO KK
International Classes:
C03C15/00; C03C15/00; (IPC1-7): C03C15/00