Water repellant inorganic glass

Details Water repellant inorganic glass Water repellant inorganic glass

1989-09-01

1990-08-14

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 56, 501 57, 501 59, 501 65, 501 72, 65 301, 65 3013, 65 3014, C03C 306, C03C 1500

Patent

active

049487604

ABSTRACT:
An inorganic glass having high water repellence produced by irradiating and/or implanting ions upon or into a surface of the inorganic glass, the ions are those of at least one element selected from the group consisting of
(a) halogen elements selected from F, Cl, and Br, group 3A, 3B, 4A and 5B elements of the International Periodic Table selected from Al, Ti, Y, In and Bi,
(b) rare gas elements selected from He, Ne, Ar, Kr and Xe, group 3A, 4A, 1B, 2B, 3B, 4B and 5B elements of the International Periodic Table selected from Sc, Cu, Zn, Ag, Cd, Sn, Sb, Au, Hg, Tl and Pb, alkali metal or alkaline earth metal elements selected from Li, Na, K, Rb, Cs, Be, Mg, Ca, Sr and Ba, and
(c) Ce, the dose of th (a), (b) and (c) ions being 5.times.10.sup.14 to 1.times.10.sup.20 ion/cm.sup.2, 5.times.10.sup.14 to 1.times.10.sup.17 ion/cm.sup.2 and 1.times.10.sup.17 to 1.times.10.sup.20 ion/cm.sup.2, respectively.

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