Matted glass

Details Matted glass Matted glass

1987-04-06

1989-11-14

Swisher, Nancy

Stock material or miscellaneous articles

Mass transmissive of light through all layers and having...

428141, 428142, C03C 1500

Patent

active

048806773

ABSTRACT:
Light transmitting glass having at least one surface area which is matted by surface pits, including an etched surface area having a population of merging or contiguous surface pits of polyhedral form, each pit having a small area so that at least 30% of visible light normally incident on the at least one surface is diffusely transmitted through the surface and the at least one surface having a total luminous transmittance of normally incident visible light of not less than TT-10 where TT is the total luminous transmittance through the same surface prior to etching expressed as a percentage of the total incident visible light.

REFERENCES:
patent: 937550 (1909-10-01), Rembusch
patent: 1694706 (1928-12-01), Heiz
patent: 2401537 (1946-06-01), Adams
patent: 2697893 (1954-12-01), Schaum
patent: 2955927 (1960-04-01), Ogata
Elmer, T. H. et al., "Antireflection Films On Alkali-Borosilicate Glasses Produced by Chemical Treatments", Ceramic Bulletin, vol. 58, No. 11, pp. 1092-1097 (1979).
Kotani, M., JP-A-5749278, Mar. 23, 1982, Pat. Abs. of Japan, vol. 6, No. 123 (E117) [1001] 7/8/82.
Mori, K., JP-A-5982777, May 12, 1984, Pat. Abs. of Japan, vol. 8, No. 194 (E-264) [1631] 9/6/84.
Yamazaki, S., JP-A.sup.3 59 123283, Jul. 17, 1984, Pat. Abs. of Japan, vol. 8, No. 247 (E 278) [1684] 11/13/84.
Takeda, Y. JP-A-6088482, May 18, 1985, Pat. Abs. of Japan, vol. 9, No. 234, (E-344) [1957] 9/20/85.

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